/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.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 04:19:30,316 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 04:19:30,318 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 04:19:30,349 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 04:19:30,389 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.epf [2021-07-14 04:19:30,415 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 04:19:30,415 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 04:19:30,416 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 04:19:30,416 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 04:19:30,417 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 04:19:30,418 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 04:19:30,418 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 04:19:30,418 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 04:19:30,418 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 04:19:30,418 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 04:19:30,418 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 04:19:30,419 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 04:19:30,419 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 04:19:30,420 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 04:19:30,420 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 04:19:30,421 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 04:19:30,421 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 04:19:30,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 04:19:30,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 04:19:30,663 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 04:19:30,664 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 04:19:30,666 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 04:19:30,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl [2021-07-14 04:19:30,666 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/threaded-sum-2.wvr.bpl' [2021-07-14 04:19:30,686 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 04:19:30,687 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 04:19:30,688 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 04:19:30,688 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 04:19:30,688 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 04:19:30,696 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,707 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 04:19:30,711 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 04:19:30,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 04:19:30,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 04:19:30,717 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,717 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,717 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,717 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,721 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/1) ... [2021-07-14 04:19:30,721 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 04:19:30,722 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 04:19:30,722 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 04:19:30,722 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 04:19:30,723 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (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 04:19:30,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 04:19:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 04:19:30,769 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 04:19:30,769 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 04:19:30,769 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 04:19:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 04:19:30,770 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 04:19:30,770 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 04:19:30,770 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 04:19:30,770 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 04:19:30,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 04:19:30,969 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 04:19:30,970 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:19:30 BoogieIcfgContainer [2021-07-14 04:19:30,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 04:19:30,972 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 04:19:30,972 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 04:19:30,974 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 04:19:30,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:19:30" (1/2) ... [2021-07-14 04:19:30,974 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21a9915b and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:19:30, skipping insertion in model container [2021-07-14 04:19:30,974 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:19:30" (2/2) ... [2021-07-14 04:19:30,975 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-07-14 04:19:30,979 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 04:19:30,979 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 04:19:30,979 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 04:19:30,979 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 04:19:31,024 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 04:19:31,040 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) [2021-07-14 04:19:31,101 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 04:19:31,101 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 04:19:31,101 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 04:19:31,101 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 04:19:31,101 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 04:19:31,101 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 04:19:31,101 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 04:19:31,102 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 04:19:31,214 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:31,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:31,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1570744102, now seen corresponding path program 1 times [2021-07-14 04:19:31,223 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:31,223 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53762260] [2021-07-14 04:19:31,223 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:31,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:31,332 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 04:19:31,332 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:31,333 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53762260] [2021-07-14 04:19:31,333 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53762260] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:19:31,333 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:19:31,333 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 04:19:31,334 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110059008] [2021-07-14 04:19:31,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 04:19:31,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:31,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 04:19:31,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 04:19:31,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:31,358 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:31,359 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 04:19:31,359 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:31,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:31,395 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 04:19:31,395 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:31,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:31,397 INFO L82 PathProgramCache]: Analyzing trace with hash -1824707030, now seen corresponding path program 2 times [2021-07-14 04:19:31,398 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:31,399 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055893942] [2021-07-14 04:19:31,399 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:31,473 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 04:19:31,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:31,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055893942] [2021-07-14 04:19:31,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055893942] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:19:31,474 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:19:31,474 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 04:19:31,474 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27357534] [2021-07-14 04:19:31,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 04:19:31,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:31,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 04:19:31,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 04:19:31,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:31,476 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:31,476 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 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 04:19:31,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:31,476 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:31,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:31,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:31,498 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 04:19:31,499 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:31,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:31,499 INFO L82 PathProgramCache]: Analyzing trace with hash -1678125528, now seen corresponding path program 3 times [2021-07-14 04:19:31,499 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:31,500 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377847506] [2021-07-14 04:19:31,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:31,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:31,746 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:31,747 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:31,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377847506] [2021-07-14 04:19:31,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377847506] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:31,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462595017] [2021-07-14 04:19:31,747 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 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 04:19:31,818 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 04:19:31,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:31,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 04:19:31,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:32,264 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:32,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462595017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:32,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:32,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-14 04:19:32,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1985106362] [2021-07-14 04:19:32,265 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 04:19:32,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:32,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 04:19:32,268 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=326, Unknown=0, NotChecked=0, Total=420 [2021-07-14 04:19:32,268 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:32,268 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:32,269 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 2.0) internal successors, (42), 20 states have internal predecessors, (42), 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 04:19:32,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:32,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:32,269 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:32,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:32,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:32,637 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:32,639 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:32,639 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:32,640 INFO L82 PathProgramCache]: Analyzing trace with hash 722149666, now seen corresponding path program 4 times [2021-07-14 04:19:32,640 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:32,640 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [633902352] [2021-07-14 04:19:32,640 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:32,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:32,941 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 04:19:32,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:32,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [633902352] [2021-07-14 04:19:32,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [633902352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:32,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1569108762] [2021-07-14 04:19:32,941 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 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 04:19:32,984 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 04:19:32,984 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:32,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 04:19:32,986 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:33,716 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:33,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1569108762] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:33,717 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:33,717 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 14] total 24 [2021-07-14 04:19:33,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668203732] [2021-07-14 04:19:33,718 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 04:19:33,718 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:33,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 04:19:33,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=484, Unknown=0, NotChecked=0, Total=600 [2021-07-14 04:19:33,719 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:33,719 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:33,719 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.04) internal successors, (51), 24 states have internal predecessors, (51), 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 04:19:33,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:33,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:33,954 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:33,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:34,171 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:34,171 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:34,171 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:34,171 INFO L82 PathProgramCache]: Analyzing trace with hash 2137418910, now seen corresponding path program 5 times [2021-07-14 04:19:34,172 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:34,172 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [754026316] [2021-07-14 04:19:34,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:34,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:34,461 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 04:19:34,461 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:34,461 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [754026316] [2021-07-14 04:19:34,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [754026316] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:34,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [81543601] [2021-07-14 04:19:34,462 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 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 04:19:34,517 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 04:19:34,518 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:34,518 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 04:19:34,521 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:35,398 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 0 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:35,399 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [81543601] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:35,399 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:35,399 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 26 [2021-07-14 04:19:35,399 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84206800] [2021-07-14 04:19:35,399 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 04:19:35,399 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:35,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 04:19:35,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=615, Unknown=0, NotChecked=0, Total=702 [2021-07-14 04:19:35,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:35,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:35,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.037037037037037) internal successors, (55), 26 states have internal predecessors, (55), 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 04:19:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:35,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:35,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 04:19:36,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:36,137 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:36,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:36,137 INFO L82 PathProgramCache]: Analyzing trace with hash -1357226266, now seen corresponding path program 6 times [2021-07-14 04:19:36,137 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:36,137 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [73431907] [2021-07-14 04:19:36,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:36,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:36,505 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2021-07-14 04:19:36,505 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:36,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [73431907] [2021-07-14 04:19:36,505 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [73431907] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:36,505 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1549392016] [2021-07-14 04:19:36,505 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE 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 04:19:36,537 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 04:19:36,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:36,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-14 04:19:36,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:37,158 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-07-14 04:19:37,850 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 0 proven. 86 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:37,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1549392016] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:37,850 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:37,850 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 21] total 33 [2021-07-14 04:19:37,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519802110] [2021-07-14 04:19:37,850 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 04:19:37,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:37,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 04:19:37,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=987, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 04:19:37,851 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:37,851 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:37,851 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.911764705882353) internal successors, (65), 33 states have internal predecessors, (65), 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 04:19:37,851 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 04:19:37,852 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 04:19:39,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:39,490 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2021-07-14 04:19:39,490 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:39,490 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:39,490 INFO L82 PathProgramCache]: Analyzing trace with hash 505659974, now seen corresponding path program 7 times [2021-07-14 04:19:39,490 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:39,490 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1308110784] [2021-07-14 04:19:39,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:39,516 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2021-07-14 04:19:39,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:39,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1308110784] [2021-07-14 04:19:39,516 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1308110784] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 04:19:39,516 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 04:19:39,516 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 04:19:39,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346257774] [2021-07-14 04:19:39,517 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 04:19:39,517 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:39,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 04:19:39,517 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 04:19:39,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:39,517 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:39,517 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 04:19:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:39,517 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 04:19:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:39,518 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 04:19:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:39,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:39,530 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2021-07-14 04:19:39,532 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 04:19:39,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 04:19:39,533 INFO L82 PathProgramCache]: Analyzing trace with hash -1114838618, now seen corresponding path program 8 times [2021-07-14 04:19:39,533 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 04:19:39,533 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [962676428] [2021-07-14 04:19:39,533 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 04:19:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 04:19:39,931 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-14 04:19:39,931 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 04:19:39,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [962676428] [2021-07-14 04:19:39,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [962676428] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:39,931 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1121803137] [2021-07-14 04:19:39,931 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 [2021-07-14 04:19:39,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 04:19:39,962 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 04:19:39,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 04:19:39,964 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 04:19:41,566 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 126 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 04:19:41,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1121803137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 04:19:41,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 04:19:41,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 22] total 33 [2021-07-14 04:19:41,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1749396727] [2021-07-14 04:19:41,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 04:19:41,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 04:19:41,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 04:19:41,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=1001, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 04:19:41,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:41,568 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 04:19:41,568 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 2.0588235294117645) internal successors, (70), 33 states have internal predecessors, (70), 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 04:19:41,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:41,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:41,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 04:19:41,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 04:19:41,568 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 04:19:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 04:19:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:41,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 04:19:43,722 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2021-07-14 04:19:44,136 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-07-14 04:19:44,765 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 55 [2021-07-14 04:19:45,663 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 54 [2021-07-14 04:19:45,988 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-14 04:19:46,139 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 50 [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 04:19:47,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 04:19:47,716 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 04:19:47,723 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 04:19:47,724 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 04:19:47 BasicIcfg [2021-07-14 04:19:47,724 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 04:19:47,725 INFO L168 Benchmark]: Toolchain (without parser) took 17037.45 ms. Allocated memory was 200.3 MB in the beginning and 440.4 MB in the end (delta: 240.1 MB). Free memory was 179.2 MB in the beginning and 319.5 MB in the end (delta: -140.2 MB). Peak memory consumption was 99.9 MB. Max. memory is 8.0 GB. [2021-07-14 04:19:47,725 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 04:19:47,725 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 177.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 04:19:47,725 INFO L168 Benchmark]: Boogie Preprocessor took 10.12 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 176.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 04:19:47,725 INFO L168 Benchmark]: RCFGBuilder took 248.54 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 164.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 04:19:47,725 INFO L168 Benchmark]: TraceAbstraction took 16752.48 ms. Allocated memory was 200.3 MB in the beginning and 440.4 MB in the end (delta: 240.1 MB). Free memory was 164.2 MB in the beginning and 319.5 MB in the end (delta: -155.3 MB). Peak memory consumption was 85.2 MB. Max. memory is 8.0 GB. [2021-07-14 04:19:47,725 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 200.3 MB. Free memory is still 180.5 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 18.95 ms. Allocated memory is still 200.3 MB. Free memory was 179.2 MB in the beginning and 177.9 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.12 ms. Allocated memory is still 200.3 MB. Free memory was 177.9 MB in the beginning and 176.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 248.54 ms. Allocated memory is still 200.3 MB. Free memory was 176.8 MB in the beginning and 164.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 16752.48 ms. Allocated memory was 200.3 MB in the beginning and 440.4 MB in the end (delta: 240.1 MB). Free memory was 164.2 MB in the beginning and 319.5 MB in the end (delta: -155.3 MB). Peak memory consumption was 85.2 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: 1351, positive: 965, positive conditional: 965, positive unconditional: 0, negative: 386, negative conditional: 386, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1033, positive: 965, positive conditional: 965, positive unconditional: 0, negative: 68, negative conditional: 68, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1033, positive: 893, positive conditional: 0, positive unconditional: 893, negative: 140, negative conditional: 0, negative unconditional: 140, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 27, positive: 24, positive conditional: 0, positive unconditional: 24, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 27, positive: 22, positive conditional: 0, positive unconditional: 22, negative: 5, negative conditional: 0, negative unconditional: 5, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 5, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1033, positive: 869, positive conditional: 0, positive unconditional: 869, negative: 137, negative conditional: 0, negative unconditional: 137, unknown: 27, unknown conditional: 0, unknown unconditional: 27] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338, SemanticConditionEliminator.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 666, positive: 72, positive conditional: 72, positive unconditional: 0, negative: 594, negative conditional: 256, negative unconditional: 338, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 78, positive: 13, positive conditional: 11, positive unconditional: 2, negative: 65, negative conditional: 62, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 231, positive: 38, positive conditional: 33, positive unconditional: 5, negative: 193, negative conditional: 138, negative unconditional: 55, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 666, positive: 61, positive conditional: 61, positive unconditional: 0, negative: 532, negative conditional: 194, negative unconditional: 338, unknown: 73, unknown conditional: 73, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 100, Positive cache size: 35, Positive conditional cache size: 11, Positive unconditional cache size: 24, Negative cache size: 65, Negative conditional cache size: 62, Negative unconditional cache size: 3, Eliminated conditions: 338 ], Maximal queried relation: 8, Independence queries for same thread: 318 - PositiveResult [Line: 55]: 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, 34 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 16664.7ms, OverallIterations: 8, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 16.2ms, PartialOrderReductionTime: 8454.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 183, 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: 28.9ms SsaConstructionTime, 175.0ms SatisfiabilityAnalysisTime, 6596.7ms InterpolantComputationTime, 414 NumberOfCodeBlocks, 414 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 401 ConstructedInterpolants, 0 QuantifiedInterpolants, 12357 SizeOfPredicates, 25 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 111 ConjunctsInUnsatCore, 13 InterpolantComputations, 3 PerfectInterpolantSequences, 222/723 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...