/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.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 11:14:54,073 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:14:54,075 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:14:54,101 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:14:54,109 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 11:14:54,110 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 11:14:54,111 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 11:14:54,112 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 11:14:54,113 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 11:14:54,113 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 11:14:54,115 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 11:14:54,116 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 11:14:54,117 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 11:14:54,118 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 11:14:54,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 11:14:54,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 11:14:54,122 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-07-14 11:14:54,129 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 11:14:54,130 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 11:14:54,131 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 11:14:54,133 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.epf [2021-07-14 11:14:54,155 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:14:54,155 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:14:54,155 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:14:54,155 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:14:54,156 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:14:54,157 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:14:54,157 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:14:54,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:14:54,157 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:14:54,157 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:14:54,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:14:54,158 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:14:54,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:14:54,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:14:54,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:14:54,158 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:14:54,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:14:54,158 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:14:54,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:14:54,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:14:54,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:14:54,159 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:14:54,159 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:14:54,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:14:54,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:14:54,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:14:54,160 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:14:54,160 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:14:54,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:14:54,160 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:14:54,160 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:14:54,161 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:14:54,161 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:14:54,161 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:14:54,431 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:14:54,455 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:14:54,457 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:14:54,458 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:14:54,459 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:14:54,460 INFO L432 ainManager$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 11:14:54,460 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 11:14:54,481 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:14:54,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:14:54,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:14:54,483 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:14:54,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:14:54,495 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,502 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,509 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:14:54,511 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:14:54,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:14:54,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:14:54,518 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,519 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,519 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,520 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,523 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,526 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,527 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 11:14:54" (1/1) ... [2021-07-14 11:14:54,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:14:54,532 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:14:54,532 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:14:54,532 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:14:54,533 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 11:14:54" (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 11:14:54,607 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:14:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:14:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:14:54,607 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:14:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:14:54,607 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:14:54,607 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:14:54,607 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:14:54,608 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:14:54,609 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 11:14:54,815 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:14:54,815 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:14:54,817 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:14:54 BoogieIcfgContainer [2021-07-14 11:14:54,817 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:14:54,818 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:14:54,818 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:14:54,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:14:54,821 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 11:14:54" (1/2) ... [2021-07-14 11:14:54,822 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5406032 and model type threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:14:54, skipping insertion in model container [2021-07-14 11:14:54,822 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 11:14:54" (2/2) ... [2021-07-14 11:14:54,823 INFO L111 eAbstractionObserver]: Analyzing ICFG threaded-sum-2.wvr.bpl [2021-07-14 11:14:54,827 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:14:54,827 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:14:54,828 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:14:54,828 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:14:54,850 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 11:14:54,869 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 11:14:54,930 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:14:54,930 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:14:54,931 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:14:54,931 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:14:54,931 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:14:54,931 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:14:54,931 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:14:54,931 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:14:55,086 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:14:55,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:14:55,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1585478612, now seen corresponding path program 1 times [2021-07-14 11:14:55,117 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:14:55,118 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761463306] [2021-07-14 11:14:55,118 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:14:55,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:14:55,261 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 11:14:55,262 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:14:55,262 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761463306] [2021-07-14 11:14:55,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761463306] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:14:55,263 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:14:55,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:14:55,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [287186481] [2021-07-14 11:14:55,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:14:55,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:14:55,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:14:55,286 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:14:55,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:55,288 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:14:55,290 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 11:14:55,290 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:55,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:14:55,349 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:14:55,349 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:14:55,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:14:55,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1629688122, now seen corresponding path program 2 times [2021-07-14 11:14:55,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:14:55,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1149909662] [2021-07-14 11:14:55,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:14:55,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:14:55,385 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 11:14:55,385 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:14:55,385 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1149909662] [2021-07-14 11:14:55,386 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1149909662] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:14:55,386 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:14:55,386 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 11:14:55,386 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102493529] [2021-07-14 11:14:55,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 11:14:55,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:14:55,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 11:14:55,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-07-14 11:14:55,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:55,389 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:14:55,389 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 11:14:55,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:14:55,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:55,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:14:55,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:14:55,415 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 11:14:55,415 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:14:55,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:14:55,416 INFO L82 PathProgramCache]: Analyzing trace with hash 814465532, now seen corresponding path program 3 times [2021-07-14 11:14:55,416 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:14:55,416 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [220215261] [2021-07-14 11:14:55,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:14:55,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:14:55,752 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 11:14:55,752 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:14:55,752 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [220215261] [2021-07-14 11:14:55,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [220215261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:14:55,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [993312278] [2021-07-14 11:14:55,753 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 11:14:55,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 11:14:55,807 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:14:55,808 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 11:14:55,812 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:14:56,319 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 11:14:56,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [993312278] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:14:56,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:14:56,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-14 11:14:56,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797968549] [2021-07-14 11:14:56,321 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 11:14:56,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:14:56,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 11:14:56,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=393, Unknown=0, NotChecked=0, Total=506 [2021-07-14 11:14:56,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:56,324 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:14:56,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.826086956521739) internal successors, (42), 22 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 11:14:56,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:14:56,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:14:56,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:14:56,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:14:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:14:56,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:14:56,754 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:14:56,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:14:56,754 INFO L82 PathProgramCache]: Analyzing trace with hash 1600610626, now seen corresponding path program 4 times [2021-07-14 11:14:56,755 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:14:56,755 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703277291] [2021-07-14 11:14:56,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:14:56,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:14:57,196 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 11:14:57,196 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:14:57,196 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1703277291] [2021-07-14 11:14:57,196 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1703277291] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:14:57,197 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [962081830] [2021-07-14 11:14:57,197 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 11:14:57,234 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:14:57,234 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:14:57,235 INFO L263 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 11:14:57,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:14:58,205 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 11:14:58,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [962081830] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:14:58,206 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:14:58,206 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 15] total 26 [2021-07-14 11:14:58,206 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365018691] [2021-07-14 11:14:58,207 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 11:14:58,207 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:14:58,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 11:14:58,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=567, Unknown=0, NotChecked=0, Total=702 [2021-07-14 11:14:58,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:58,208 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:14:58,208 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.8888888888888888) internal successors, (51), 26 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 11:14:58,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:14:58,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:14:58,208 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:14:58,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:14:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:14:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:14:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:14:58,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:14:58,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:14:58,773 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:14:58,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:14:58,773 INFO L82 PathProgramCache]: Analyzing trace with hash -1196717438, now seen corresponding path program 5 times [2021-07-14 11:14:58,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:14:58,774 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1232147669] [2021-07-14 11:14:58,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:14:58,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:14:59,162 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 11:14:59,162 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:14:59,162 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1232147669] [2021-07-14 11:14:59,162 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1232147669] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:14:59,163 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610274616] [2021-07-14 11:14:59,163 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 11:14:59,211 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-07-14 11:14:59,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:14:59,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-14 11:14:59,213 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:14:59,959 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 46 [2021-07-14 11:15:00,355 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 11:15:00,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610274616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:15:00,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:15:00,356 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 17] total 28 [2021-07-14 11:15:00,356 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657670338] [2021-07-14 11:15:00,356 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 11:15:00,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:15:00,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 11:15:00,357 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=111, Invalid=701, Unknown=0, NotChecked=0, Total=812 [2021-07-14 11:15:00,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:15:00,357 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:15:00,358 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 1.896551724137931) internal successors, (55), 28 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 11:15:00,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:15:00,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:15:00,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:15:00,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:00,358 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:15:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:15:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:15:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:15:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:00,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:01,014 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:15:01,014 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:15:01,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:15:01,014 INFO L82 PathProgramCache]: Analyzing trace with hash -506900658, now seen corresponding path program 6 times [2021-07-14 11:15:01,015 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:15:01,015 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [821107836] [2021-07-14 11:15:01,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:15:01,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:15:01,530 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 11:15:01,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:15:01,530 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [821107836] [2021-07-14 11:15:01,530 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [821107836] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:15:01,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1435240398] [2021-07-14 11:15:01,531 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 11:15:01,570 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 10 check-sat command(s) [2021-07-14 11:15:01,570 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:15:01,571 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 11:15:01,572 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:15:02,352 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 51 [2021-07-14 11:15:03,013 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 68 [2021-07-14 11:15:03,258 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 11:15:03,258 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1435240398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:15:03,259 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:15:03,259 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 20] total 33 [2021-07-14 11:15:03,259 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951387449] [2021-07-14 11:15:03,259 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-07-14 11:15:03,259 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:15:03,260 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-07-14 11:15:03,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=133, Invalid=989, Unknown=0, NotChecked=0, Total=1122 [2021-07-14 11:15:03,260 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:15:03,261 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:15:03,261 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 11:15:03,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:15:03,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:15:03,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:15:03,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:03,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:03,261 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:15:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:15:04,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:15:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:15:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:04,648 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:15:04,852 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-14 11:15:04,853 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:15:04,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:15:04,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1343570998, now seen corresponding path program 7 times [2021-07-14 11:15:04,854 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:15:04,854 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [938322458] [2021-07-14 11:15:04,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:15:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:15:05,350 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 0 proven. 89 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2021-07-14 11:15:05,350 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:15:05,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [938322458] [2021-07-14 11:15:05,350 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [938322458] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:15:05,350 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1285047] [2021-07-14 11:15:05,351 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY 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 11:15:05,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:15:05,387 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-14 11:15:05,388 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:15:07,280 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 11:15:07,280 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1285047] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:15:07,280 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:15:07,280 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 23] total 35 [2021-07-14 11:15:07,281 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301445849] [2021-07-14 11:15:07,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 11:15:07,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:15:07,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 11:15:07,282 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=1132, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 11:15:07,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:15:07,282 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:15:07,282 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 1.9444444444444444) internal successors, (70), 35 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 11:15:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:15:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:15:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 11:15:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 11:15:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 11:15:07,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:15:09,713 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-14 11:15:10,240 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 55 [2021-07-14 11:15:11,545 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 60 [2021-07-14 11:15:11,886 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 54 [2021-07-14 11:15:13,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:15:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:15:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:15:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 11:15:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-07-14 11:15:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 11:15:13,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-14 11:15:13,328 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:15:13,346 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 11:15:13,348 INFO L202 PluginConnector]: Adding new model threaded-sum-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 11:15:13 BasicIcfg [2021-07-14 11:15:13,348 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 11:15:13,348 INFO L168 Benchmark]: Toolchain (without parser) took 18866.05 ms. Allocated memory was 127.9 MB in the beginning and 407.9 MB in the end (delta: 280.0 MB). Free memory was 107.2 MB in the beginning and 325.6 MB in the end (delta: -218.4 MB). Peak memory consumption was 62.1 MB. Max. memory is 8.0 GB. [2021-07-14 11:15:13,348 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.14 ms. Allocated memory is still 127.9 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:15:13,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 127.9 MB. Free memory was 107.1 MB in the beginning and 105.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:15:13,349 INFO L168 Benchmark]: Boogie Preprocessor took 17.71 ms. Allocated memory is still 127.9 MB. Free memory was 105.7 MB in the beginning and 104.7 MB in the end (delta: 941.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 11:15:13,349 INFO L168 Benchmark]: RCFGBuilder took 285.29 ms. Allocated memory is still 127.9 MB. Free memory was 104.7 MB in the beginning and 92.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 11:15:13,349 INFO L168 Benchmark]: TraceAbstraction took 18529.66 ms. Allocated memory was 127.9 MB in the beginning and 407.9 MB in the end (delta: 280.0 MB). Free memory was 92.4 MB in the beginning and 325.6 MB in the end (delta: -233.2 MB). Peak memory consumption was 47.4 MB. Max. memory is 8.0 GB. [2021-07-14 11:15:13,349 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 127.9 MB. Free memory is still 108.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.97 ms. Allocated memory is still 127.9 MB. Free memory was 107.1 MB in the beginning and 105.7 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.71 ms. Allocated memory is still 127.9 MB. Free memory was 105.7 MB in the beginning and 104.7 MB in the end (delta: 941.3 kB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 285.29 ms. Allocated memory is still 127.9 MB. Free memory was 104.7 MB in the beginning and 92.9 MB in the end (delta: 11.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 18529.66 ms. Allocated memory was 127.9 MB in the beginning and 407.9 MB in the end (delta: 280.0 MB). Free memory was 92.4 MB in the beginning and 325.6 MB in the end (delta: -233.2 MB). Peak memory consumption was 47.4 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: 1095, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 301, negative conditional: 293, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 886, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 92, negative conditional: 84, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 886, positive: 677, positive conditional: 0, positive unconditional: 677, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 886, positive: 594, positive conditional: 0, positive unconditional: 594, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332 ], Maximal queried relation: 7, Independence queries for same thread: 209 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 91, Number of persistent set computation: 24, Number of trivial persistent sets: 14, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1095, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 301, negative conditional: 293, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 886, positive: 794, positive conditional: 687, positive unconditional: 107, negative: 92, negative conditional: 84, negative unconditional: 8, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 886, positive: 677, positive conditional: 0, positive unconditional: 677, negative: 209, negative conditional: 0, negative unconditional: 209, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 89, positive: 83, positive conditional: 0, positive unconditional: 83, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 89, positive: 80, positive conditional: 0, positive unconditional: 80, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 9, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 886, positive: 594, positive conditional: 0, positive unconditional: 594, negative: 203, negative conditional: 0, negative unconditional: 203, unknown: 89, unknown conditional: 0, unknown unconditional: 89] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332, SemanticConditionEliminator.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 726, positive: 117, positive conditional: 117, positive unconditional: 0, negative: 609, negative conditional: 277, negative unconditional: 332, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 89, positive: 17, positive conditional: 14, positive unconditional: 3, negative: 72, negative conditional: 66, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 312, positive: 48, positive conditional: 42, positive unconditional: 7, negative: 264, negative conditional: 198, negative unconditional: 66, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 726, positive: 103, positive conditional: 103, positive unconditional: 0, negative: 543, negative conditional: 211, negative unconditional: 332, unknown: 80, unknown conditional: 80, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 169, Positive cache size: 97, Positive conditional cache size: 14, Positive unconditional cache size: 83, Negative cache size: 72, Negative conditional cache size: 66, Negative unconditional cache size: 6, Eliminated conditions: 332 ], Maximal queried relation: 7, Independence queries for same thread: 209 - 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: 18460.0ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 27.9ms, PartialOrderReductionTime: 8440.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 182, 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: 44.7ms SsaConstructionTime, 252.7ms SatisfiabilityAnalysisTime, 8302.5ms InterpolantComputationTime, 368 NumberOfCodeBlocks, 368 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 356 ConstructedInterpolants, 0 QuantifiedInterpolants, 12155 SizeOfPredicates, 25 NumberOfNonLiveVariables, 248 ConjunctsInSsa, 109 ConjunctsInUnsatCore, 12 InterpolantComputations, 2 PerfectInterpolantSequences, 88/590 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...