/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/ring.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 17:14:12,163 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 17:14:12,166 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 17:14:12,201 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 17:14:12,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-13 17:14:12,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-13 17:14:12,222 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-13 17:14:12,223 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-13 17:14:12,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-13 17:14:12,226 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-13 17:14:12,228 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-13 17:14:12,233 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-13 17:14:12,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-13 17:14:12,237 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-13 17:14:12,238 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-13 17:14:12,240 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-13 17:14:12,245 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-13 17:14:12,253 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-13 17:14:12,253 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-13 17:14:12,254 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-13 17:14:12,258 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 [2021-06-13 17:14:12,293 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 17:14:12,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 17:14:12,294 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 17:14:12,294 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 17:14:12,297 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 17:14:12,297 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 17:14:12,297 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 17:14:12,297 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 17:14:12,297 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 17:14:12,298 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 17:14:12,298 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 17:14:12,298 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 17:14:12,299 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 17:14:12,299 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 17:14:12,299 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 17:14:12,299 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 17:14:12,299 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 17:14:12,299 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 17:14:12,299 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 17:14:12,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 17:14:12,300 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 17:14:12,300 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 17:14:12,300 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 17:14:12,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 17:14:12,300 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 17:14:12,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 17:14:12,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 17:14:12,301 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 17:14:12,324 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 17:14:12,325 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 17:14:12,325 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 17:14:12,325 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 17:14:12,325 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 17:14:12,325 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 17:14:12,607 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 17:14:12,626 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 17:14:12,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 17:14:12,628 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 17:14:12,630 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 17:14:12,630 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl [2021-06-13 17:14:12,631 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring.wvr.bpl' [2021-06-13 17:14:12,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 17:14:12,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 17:14:12,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 17:14:12,664 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 17:14:12,664 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 17:14:12,680 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,688 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 17:14:12,695 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 17:14:12,695 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 17:14:12,695 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 17:14:12,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,705 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,708 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,708 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... [2021-06-13 17:14:12,710 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 17:14:12,710 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 17:14:12,710 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 17:14:12,711 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 17:14:12,712 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 17:14:12,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 17:14:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 17:14:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 17:14:12,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 17:14:12,792 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 17:14:12,792 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 17:14:12,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 17:14:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 17:14:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 17:14:12,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 17:14:12,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 17:14:12,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 17:14:12,794 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 17:14:13,014 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 17:14:13,014 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 17:14:13,016 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:14:13 BoogieIcfgContainer [2021-06-13 17:14:13,016 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 17:14:13,017 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 17:14:13,017 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 17:14:13,020 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 17:14:13,020 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:14:12" (1/2) ... [2021-06-13 17:14:13,021 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@597bc468 and model type ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 05:14:13, skipping insertion in model container [2021-06-13 17:14:13,021 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:14:13" (2/2) ... [2021-06-13 17:14:13,022 INFO L111 eAbstractionObserver]: Analyzing ICFG ring.wvr.bpl [2021-06-13 17:14:13,027 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 17:14:13,027 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 17:14:13,027 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 17:14:13,028 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 17:14:13,058 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 17:14:13,076 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-13 17:14:13,185 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 17:14:13,185 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 17:14:13,185 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 17:14:13,186 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 17:14:13,186 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 17:14:13,186 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 17:14:13,186 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 17:14:13,186 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 17:14:13,335 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:14:13,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:14:13,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1455295970, now seen corresponding path program 1 times [2021-06-13 17:14:13,346 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:14:13,347 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449770415] [2021-06-13 17:14:13,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:14:13,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:13,469 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-13 17:14:13,469 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:14:13,469 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449770415] [2021-06-13 17:14:13,470 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449770415] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 17:14:13,470 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 17:14:13,470 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-13 17:14:13,471 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1365408377] [2021-06-13 17:14:13,475 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 17:14:13,475 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:14:13,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 17:14:13,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 17:14:13,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:13,487 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:14:13,488 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 13.0) internal successors, (39), 2 states have internal predecessors, (39), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:14:13,489 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:13,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:13,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 17:14:13,522 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:14:13,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:14:13,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1629859791, now seen corresponding path program 2 times [2021-06-13 17:14:13,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:14:13,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1769322276] [2021-06-13 17:14:13,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:14:13,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:13,691 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-13 17:14:13,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:14:13,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1769322276] [2021-06-13 17:14:13,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1769322276] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:13,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983717470] [2021-06-13 17:14:13,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:14:13,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 17:14:13,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:14:13,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 4 conjunts are in the unsatisfiable core [2021-06-13 17:14:13,783 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:14:13,994 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 17:14:13,995 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1983717470] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 17:14:13,995 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-13 17:14:13,996 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [8] total 10 [2021-06-13 17:14:13,998 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1549670041] [2021-06-13 17:14:13,999 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 17:14:13,999 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:14:14,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 17:14:14,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2021-06-13 17:14:14,002 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:14,002 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:14:14,002 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 3 states have internal predecessors, (44), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:14:14,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:14,002 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:14,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,281 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:14:14,282 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:14:14,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:14:14,282 INFO L82 PathProgramCache]: Analyzing trace with hash 587808117, now seen corresponding path program 3 times [2021-06-13 17:14:14,282 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:14:14,283 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [151733741] [2021-06-13 17:14:14,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:14:14,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:14,430 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-13 17:14:14,430 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:14:14,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [151733741] [2021-06-13 17:14:14,430 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [151733741] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:14,430 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1283447297] [2021-06-13 17:14:14,431 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:14:14,504 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-13 17:14:14,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:14:14,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 17:14:14,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:14:14,650 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 31 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-13 17:14:14,650 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1283447297] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:14,650 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:14:14,650 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 5 [2021-06-13 17:14:14,651 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [309912798] [2021-06-13 17:14:14,651 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-06-13 17:14:14,652 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:14:14,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-06-13 17:14:14,653 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-06-13 17:14:14,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:14,653 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:14:14,654 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 5 states have internal predecessors, (62), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:14:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,896 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:14:14,896 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:14:14,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:14:14,896 INFO L82 PathProgramCache]: Analyzing trace with hash -806246686, now seen corresponding path program 4 times [2021-06-13 17:14:14,897 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:14:14,897 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750481469] [2021-06-13 17:14:14,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:14:14,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2021-06-13 17:14:14,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:14:14,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750481469] [2021-06-13 17:14:14,950 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750481469] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 17:14:14,950 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 17:14:14,950 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 17:14:14,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1016996909] [2021-06-13 17:14:14,950 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-13 17:14:14,950 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:14:14,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-13 17:14:14,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2021-06-13 17:14:14,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:14,951 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:14:14,951 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:14:14,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:14,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,951 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,952 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:14,980 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-13 17:14:14,980 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:14:14,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:14:14,980 INFO L82 PathProgramCache]: Analyzing trace with hash 1657665461, now seen corresponding path program 5 times [2021-06-13 17:14:14,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:14:14,980 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1130816466] [2021-06-13 17:14:14,981 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:14:15,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-13 17:14:15,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:14:15,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1130816466] [2021-06-13 17:14:15,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1130816466] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:15,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1100075456] [2021-06-13 17:14:15,122 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 [2021-06-13 17:14:15,187 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-13 17:14:15,187 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:14:15,188 INFO L263 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-13 17:14:15,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:14:15,282 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 17:14:15,284 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:14:15,286 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:14:15,286 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 17:14:15,286 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-13 17:14:15,322 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 17:14:15,323 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1100075456] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:15,323 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:14:15,323 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 10 [2021-06-13 17:14:15,323 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116076480] [2021-06-13 17:14:15,323 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 17:14:15,324 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:14:15,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 17:14:15,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-13 17:14:15,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:15,325 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:14:15,325 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 5.909090909090909) internal successors, (65), 10 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) [2021-06-13 17:14:15,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:15,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:15,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:15,325 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:15,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:15,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:15,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 17:14:15,688 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:14:15,689 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:14:15,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:14:15,690 INFO L82 PathProgramCache]: Analyzing trace with hash 1584751880, now seen corresponding path program 6 times [2021-06-13 17:14:15,690 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:14:15,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [422445960] [2021-06-13 17:14:15,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:14:15,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:15,880 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 17:14:15,881 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:14:15,881 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [422445960] [2021-06-13 17:14:15,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [422445960] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:15,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [470974393] [2021-06-13 17:14:15,882 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 [2021-06-13 17:14:15,935 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 3 check-sat command(s) [2021-06-13 17:14:15,936 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:14:15,937 INFO L263 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-13 17:14:15,938 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:14:15,986 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 17:14:15,988 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:14:15,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:14:15,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 17:14:15,996 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:23, output treesize:16 [2021-06-13 17:14:16,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 17:14:16,044 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:14:16,050 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:14:16,051 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 17:14:16,051 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:20, output treesize:13 [2021-06-13 17:14:16,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-13 17:14:16,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:14:16,100 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:14:16,101 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 17:14:16,101 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:17, output treesize:10 [2021-06-13 17:14:16,194 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-06-13 17:14:16,194 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [470974393] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:16,194 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:14:16,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 10] total 15 [2021-06-13 17:14:16,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1031434095] [2021-06-13 17:14:16,195 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-06-13 17:14:16,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:14:16,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-06-13 17:14:16,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=198, Unknown=0, NotChecked=0, Total=240 [2021-06-13 17:14:16,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:16,198 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:14:16,198 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 3.5625) internal successors, (57), 15 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:14:16,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:16,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:16,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:16,198 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:16,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 17:14:16,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:16,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:16,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-13 17:14:16,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:14:16,608 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-13 17:14:16,609 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:14:16,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:14:16,609 INFO L82 PathProgramCache]: Analyzing trace with hash -2096125410, now seen corresponding path program 7 times [2021-06-13 17:14:16,609 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:14:16,609 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181295800] [2021-06-13 17:14:16,610 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:14:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:17,248 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-13 17:14:17,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:14:17,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181295800] [2021-06-13 17:14:17,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181295800] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:17,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1695029433] [2021-06-13 17:14:17,250 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 [2021-06-13 17:14:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:14:17,306 INFO L263 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 51 conjunts are in the unsatisfiable core [2021-06-13 17:14:17,308 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:14:17,715 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-13 17:14:17,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 31 treesize of output 19 [2021-06-13 17:14:17,718 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:14:17,730 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:14:17,731 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 17:14:17,731 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:47 [2021-06-13 17:14:17,948 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-13 17:14:17,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 35 treesize of output 19 [2021-06-13 17:14:17,951 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:14:17,960 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:14:17,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 17:14:17,962 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:37 [2021-06-13 17:14:18,075 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-13 17:14:18,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 23 [2021-06-13 17:14:18,078 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:14:18,083 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:14:18,084 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-13 17:14:18,084 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:46, output treesize:17 [2021-06-13 17:14:18,267 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:14:18,268 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1695029433] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:14:18,268 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:14:18,268 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 21] total 35 [2021-06-13 17:14:18,268 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [917333561] [2021-06-13 17:14:18,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-13 17:14:18,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:14:18,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-13 17:14:18,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1142, Unknown=0, NotChecked=0, Total=1260 [2021-06-13 17:14:18,270 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:18,270 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:14:18,270 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.9166666666666665) internal successors, (105), 35 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:14:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-13 17:14:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:14:18,270 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:14:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:14:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:14:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-13 17:14:20,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:14:20,988 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2021-06-13 17:14:21,204 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:14:21,211 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-13 17:14:21,213 INFO L202 PluginConnector]: Adding new model ring.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.06 05:14:21 BasicIcfg [2021-06-13 17:14:21,213 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-13 17:14:21,214 INFO L168 Benchmark]: Toolchain (without parser) took 8551.02 ms. Allocated memory was 184.5 MB in the beginning and 333.4 MB in the end (delta: 148.9 MB). Free memory was 164.4 MB in the beginning and 165.5 MB in the end (delta: -1.1 MB). Peak memory consumption was 148.5 MB. Max. memory is 8.0 GB. [2021-06-13 17:14:21,214 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.13 ms. Allocated memory is still 184.5 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-13 17:14:21,214 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.54 ms. Allocated memory is still 184.5 MB. Free memory was 164.3 MB in the beginning and 162.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-13 17:14:21,214 INFO L168 Benchmark]: Boogie Preprocessor took 14.80 ms. Allocated memory is still 184.5 MB. Free memory was 162.9 MB in the beginning and 161.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-13 17:14:21,214 INFO L168 Benchmark]: RCFGBuilder took 305.76 ms. Allocated memory is still 184.5 MB. Free memory was 161.7 MB in the beginning and 143.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-06-13 17:14:21,214 INFO L168 Benchmark]: TraceAbstraction took 8195.71 ms. Allocated memory was 184.5 MB in the beginning and 333.4 MB in the end (delta: 148.9 MB). Free memory was 143.3 MB in the beginning and 165.5 MB in the end (delta: -22.2 MB). Peak memory consumption was 128.5 MB. Max. memory is 8.0 GB. [2021-06-13 17:14:21,215 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 0.13 ms. Allocated memory is still 184.5 MB. Free memory is still 165.6 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.54 ms. Allocated memory is still 184.5 MB. Free memory was 164.3 MB in the beginning and 162.9 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 14.80 ms. Allocated memory is still 184.5 MB. Free memory was 162.9 MB in the beginning and 161.7 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 305.76 ms. Allocated memory is still 184.5 MB. Free memory was 161.7 MB in the beginning and 143.7 MB in the end (delta: 18.0 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 8195.71 ms. Allocated memory was 184.5 MB in the beginning and 333.4 MB in the end (delta: 148.9 MB). Free memory was 143.3 MB in the beginning and 165.5 MB in the end (delta: -22.2 MB). Peak memory consumption was 128.5 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: 8105, positive: 7521, positive conditional: 7521, positive unconditional: 0, negative: 584, negative conditional: 584, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7575, positive: 7521, positive conditional: 7521, positive unconditional: 0, negative: 54, negative conditional: 54, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7575, positive: 7521, positive conditional: 0, positive unconditional: 7521, negative: 54, negative conditional: 0, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 338, positive: 335, positive conditional: 0, positive unconditional: 335, 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: 338, positive: 332, positive conditional: 0, positive unconditional: 332, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 3, positive conditional: 0, positive unconditional: 3, 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: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7575, positive: 7186, positive conditional: 0, positive unconditional: 7186, negative: 51, negative conditional: 0, negative unconditional: 51, unknown: 338, unknown conditional: 0, unknown unconditional: 338] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, SemanticConditionEliminator.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 61, negative unconditional: 169, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 169, SemanticConditionEliminator.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 61, negative unconditional: 169, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 169, SemanticConditionEliminator.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 61, negative unconditional: 169, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 169, SemanticConditionEliminator.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 61, negative unconditional: 169, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 169, SemanticConditionEliminator.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 61, negative unconditional: 169, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 169, SemanticConditionEliminator.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 61, negative unconditional: 169, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 169, SemanticConditionEliminator.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 241, negative conditional: 72, negative unconditional: 169, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 17, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 14, negative conditional: 11, negative unconditional: 3, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 90, positive: 42, positive conditional: 0, positive unconditional: 42, negative: 47, negative conditional: 34, negative unconditional: 13, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 241, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 230, negative conditional: 61, negative unconditional: 169, unknown: 11, unknown conditional: 11, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 349, Positive cache size: 335, Positive conditional cache size: 0, Positive unconditional cache size: 335, Negative cache size: 14, Negative conditional cache size: 11, Negative unconditional cache size: 3, Eliminated conditions: 169 ], Maximal queried relation: 7, Independence queries for same thread: 530 - PositiveResult [Line: 104]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 71 locations, 4 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 8104.8ms, OverallIterations: 7, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.2ms, PartialOrderReductionTime: 3342.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 73, 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: 66.6ms SsaConstructionTime, 296.1ms SatisfiabilityAnalysisTime, 2937.1ms InterpolantComputationTime, 649 NumberOfCodeBlocks, 649 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 637 ConstructedInterpolants, 0 QuantifiedInterpolants, 5029 SizeOfPredicates, 24 NumberOfNonLiveVariables, 700 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 214/352 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...