/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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-15 00:02:16,557 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-15 00:02:16,558 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-15 00:02:16,575 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-15 00:02:16,597 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-NewStatesSleepPersistentFixedOrder-NoLbe-Random7777.epf [2021-07-15 00:02:16,612 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-15 00:02:16,612 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-15 00:02:16,612 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-15 00:02:16,612 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-15 00:02:16,613 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-15 00:02:16,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-15 00:02:16,623 INFO L138 SettingsManager]: * Use SBE=true [2021-07-15 00:02:16,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-15 00:02:16,624 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-15 00:02:16,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-15 00:02:16,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-15 00:02:16,624 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-15 00:02:16,625 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-15 00:02:16,625 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-15 00:02:16,626 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-15 00:02:16,626 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-15 00:02:16,627 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-15 00:02:16,627 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-15 00:02:16,627 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-15 00:02:16,627 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-15 00:02:16,833 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-15 00:02:16,851 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-15 00:02:16,853 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-15 00:02:16,854 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-15 00:02:16,855 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-15 00:02:16,856 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2021-07-15 00:02:16,856 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2021-07-15 00:02:16,885 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-15 00:02:16,886 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-15 00:02:16,887 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-15 00:02:16,887 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-15 00:02:16,887 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-15 00:02:16,896 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,903 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-15 00:02:16,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-15 00:02:16,909 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-15 00:02:16,909 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-15 00:02:16,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,922 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,926 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,927 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/1) ... [2021-07-15 00:02:16,930 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-15 00:02:16,931 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-15 00:02:16,931 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-15 00:02:16,931 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-15 00:02:16,932 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (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 [2021-07-15 00:02:16,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-15 00:02:16,995 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-15 00:02:16,995 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-15 00:02:16,995 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-15 00:02:16,996 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-15 00:02:16,996 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-15 00:02:16,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-15 00:02:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-15 00:02:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-15 00:02:16,997 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-15 00:02:16,997 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-15 00:02:16,997 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-15 00:02:16,998 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-15 00:02:17,146 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-15 00:02:17,146 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-15 00:02:17,147 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.07 12:02:17 BoogieIcfgContainer [2021-07-15 00:02:17,148 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-15 00:02:17,149 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-15 00:02:17,149 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-15 00:02:17,150 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-15 00:02:17,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 15.07 12:02:16" (1/2) ... [2021-07-15 00:02:17,151 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@92b0b9d and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.07 12:02:17, skipping insertion in model container [2021-07-15 00:02:17,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.07 12:02:17" (2/2) ... [2021-07-15 00:02:17,152 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-07-15 00:02:17,156 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-15 00:02:17,156 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-15 00:02:17,156 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-15 00:02:17,156 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-15 00:02:17,183 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-15 00:02:17,200 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 [2021-07-15 00:02:17,235 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-15 00:02:17,235 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-15 00:02:17,235 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-15 00:02:17,235 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-15 00:02:17,235 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-15 00:02:17,235 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-15 00:02:17,235 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-15 00:02:17,235 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-15 00:02:17,313 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:17,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:17,317 INFO L82 PathProgramCache]: Analyzing trace with hash 114346805, now seen corresponding path program 1 times [2021-07-15 00:02:17,322 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:17,322 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896696805] [2021-07-15 00:02:17,323 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:17,451 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-15 00:02:17,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:17,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896696805] [2021-07-15 00:02:17,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1896696805] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-15 00:02:17,452 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-15 00:02:17,452 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-15 00:02:17,453 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167877577] [2021-07-15 00:02:17,455 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-15 00:02:17,455 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:17,462 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-15 00:02:17,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-15 00:02:17,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:17,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:17,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 4.4) internal successors, (22), 4 states have internal predecessors, (22), 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) [2021-07-15 00:02:17,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:17,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:17,510 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-15 00:02:17,510 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:17,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:17,511 INFO L82 PathProgramCache]: Analyzing trace with hash -668884461, now seen corresponding path program 1 times [2021-07-15 00:02:17,511 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:17,511 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [736561518] [2021-07-15 00:02:17,511 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:17,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:17,571 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:17,572 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:17,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [736561518] [2021-07-15 00:02:17,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [736561518] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:17,572 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771086289] [2021-07-15 00:02:17,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:17,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:17,619 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-15 00:02:17,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:17,787 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:17,787 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771086289] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:17,788 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:17,788 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-15 00:02:17,789 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1313966696] [2021-07-15 00:02:17,789 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-15 00:02:17,790 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:17,792 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-15 00:02:17,792 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-15 00:02:17,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:17,792 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:17,792 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.75) internal successors, (30), 8 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-15 00:02:17,792 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:17,793 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:17,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-15 00:02:18,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:18,079 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:18,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:18,079 INFO L82 PathProgramCache]: Analyzing trace with hash 675600473, now seen corresponding path program 1 times [2021-07-15 00:02:18,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:18,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475936231] [2021-07-15 00:02:18,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:18,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:18,450 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:18,451 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:18,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475936231] [2021-07-15 00:02:18,451 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475936231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:18,451 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [685257861] [2021-07-15 00:02:18,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY 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 [2021-07-15 00:02:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:18,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-15 00:02:18,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:18,877 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:18,878 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:18,882 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-07-15 00:02:18,883 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:18,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:18,888 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:18,889 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-07-15 00:02:18,892 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:18,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:18,896 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:18,897 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-07-15 00:02:18,900 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:18,907 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:18,908 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 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2021-07-15 00:02:18,911 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:18,958 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-07-15 00:02:18,961 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-15 00:02:18,961 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-07-15 00:02:19,004 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:19,004 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [685257861] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:19,005 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:19,005 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-15 00:02:19,005 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1580086397] [2021-07-15 00:02:19,006 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-15 00:02:19,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:19,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-15 00:02:19,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-07-15 00:02:19,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:19,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:19,009 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-07-15 00:02:19,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:19,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-15 00:02:19,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:19,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:19,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-15 00:02:19,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:19,380 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:19,380 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:19,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:19,381 INFO L82 PathProgramCache]: Analyzing trace with hash -213828617, now seen corresponding path program 2 times [2021-07-15 00:02:19,381 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:19,381 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953335080] [2021-07-15 00:02:19,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:19,423 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:19,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:19,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953335080] [2021-07-15 00:02:19,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [953335080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:19,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [590272667] [2021-07-15 00:02:19,424 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 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 [2021-07-15 00:02:19,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-15 00:02:19,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-15 00:02:19,473 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-15 00:02:19,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:19,557 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:19,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [590272667] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:19,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:19,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-15 00:02:19,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1847603035] [2021-07-15 00:02:19,559 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-15 00:02:19,559 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:19,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-15 00:02:19,560 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2021-07-15 00:02:19,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:19,560 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:19,561 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 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) [2021-07-15 00:02:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-15 00:02:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:19,561 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:19,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:19,944 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:19,945 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:19,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:19,945 INFO L82 PathProgramCache]: Analyzing trace with hash -1734854287, now seen corresponding path program 2 times [2021-07-15 00:02:19,945 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:19,946 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [34187319] [2021-07-15 00:02:19,946 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:20,378 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 49 [2021-07-15 00:02:20,689 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:20,689 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:20,689 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [34187319] [2021-07-15 00:02:20,689 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [34187319] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:20,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929241771] [2021-07-15 00:02:20,691 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 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 [2021-07-15 00:02:20,722 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-15 00:02:20,722 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-15 00:02:20,723 INFO L263 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-15 00:02:20,724 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:21,272 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-07-15 00:02:21,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 24 [2021-07-15 00:02:21,275 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,295 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-15 00:02:21,295 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 35 [2021-07-15 00:02:21,297 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,307 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 26 [2021-07-15 00:02:21,308 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,335 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-07-15 00:02:21,336 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 25 [2021-07-15 00:02:21,338 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,349 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 39 treesize of output 23 [2021-07-15 00:02:21,350 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,362 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,362 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 21 [2021-07-15 00:02:21,363 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,372 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,373 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 22 [2021-07-15 00:02:21,374 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,398 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-15 00:02:21,398 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 33 [2021-07-15 00:02:21,402 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,423 INFO L354 Elim1Store]: treesize reduction 9, result has 47.1 percent of original size [2021-07-15 00:02:21,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 23 [2021-07-15 00:02:21,425 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,440 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 18 [2021-07-15 00:02:21,442 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,457 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-15 00:02:21,457 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 44 treesize of output 42 [2021-07-15 00:02:21,460 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,471 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,471 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 1 [2021-07-15 00:02:21,471 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,481 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,481 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 41 treesize of output 25 [2021-07-15 00:02:21,482 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,491 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 36 treesize of output 22 [2021-07-15 00:02:21,492 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,500 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 13 [2021-07-15 00:02:21,501 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,508 INFO L354 Elim1Store]: treesize reduction 16, result has 5.9 percent of original size [2021-07-15 00:02:21,508 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 31 treesize of output 19 [2021-07-15 00:02:21,509 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:21,643 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 36 [2021-07-15 00:02:21,644 INFO L628 ElimStorePlain]: treesize reduction 95, result has 59.4 percent of original size [2021-07-15 00:02:21,669 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 4 xjuncts. [2021-07-15 00:02:21,670 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:793, output treesize:157 [2021-07-15 00:02:21,841 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:21,842 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929241771] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:21,842 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:21,842 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-15 00:02:21,842 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1840828412] [2021-07-15 00:02:21,842 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-15 00:02:21,842 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:21,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-15 00:02:21,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=321, Unknown=0, NotChecked=0, Total=380 [2021-07-15 00:02:21,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:21,843 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:21,843 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 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) [2021-07-15 00:02:21,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:21,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:21,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:21,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:21,843 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:22,065 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 48 [2021-07-15 00:02:22,314 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 59 [2021-07-15 00:02:22,576 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-15 00:02:22,909 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 66 [2021-07-15 00:02:23,126 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 66 [2021-07-15 00:02:23,299 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 63 [2021-07-15 00:02:23,541 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 71 [2021-07-15 00:02:23,704 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 54 [2021-07-15 00:02:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:23,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:23,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-15 00:02:24,165 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-15 00:02:24,165 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:24,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:24,165 INFO L82 PathProgramCache]: Analyzing trace with hash 19655341, now seen corresponding path program 3 times [2021-07-15 00:02:24,165 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:24,165 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1811896637] [2021-07-15 00:02:24,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:24,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:24,206 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-15 00:02:24,206 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:24,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1811896637] [2021-07-15 00:02:24,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1811896637] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:24,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [76230580] [2021-07-15 00:02:24,206 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 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 [2021-07-15 00:02:24,247 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-15 00:02:24,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-15 00:02:24,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-15 00:02:24,248 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:24,324 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 8 proven. 4 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-15 00:02:24,324 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [76230580] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:24,324 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:24,325 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-15 00:02:24,325 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [902945362] [2021-07-15 00:02:24,325 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-15 00:02:24,326 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:24,326 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-15 00:02:24,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-15 00:02:24,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:24,326 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:24,326 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 11 states have internal predecessors, (37), 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) [2021-07-15 00:02:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:24,326 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:24,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-15 00:02:24,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:24,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:24,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:24,701 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable51,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:24,702 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:24,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:24,704 INFO L82 PathProgramCache]: Analyzing trace with hash -1673480433, now seen corresponding path program 4 times [2021-07-15 00:02:24,705 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:24,705 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443178045] [2021-07-15 00:02:24,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:24,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:24,749 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:24,750 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:24,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443178045] [2021-07-15 00:02:24,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443178045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:24,750 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799814374] [2021-07-15 00:02:24,750 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:24,780 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-15 00:02:24,780 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-15 00:02:24,781 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-15 00:02:24,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:24,860 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:24,861 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799814374] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:24,861 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:24,861 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 14 [2021-07-15 00:02:24,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049056224] [2021-07-15 00:02:24,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-15 00:02:24,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:24,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-15 00:02:24,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=137, Unknown=0, NotChecked=0, Total=182 [2021-07-15 00:02:24,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:24,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:24,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.9285714285714284) internal successors, (41), 14 states have internal predecessors, (41), 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) [2021-07-15 00:02:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:24,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:25,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:25,013 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:25,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:25,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-15 00:02:25,228 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:25,229 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:25,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:25,229 INFO L82 PathProgramCache]: Analyzing trace with hash -107630793, now seen corresponding path program 3 times [2021-07-15 00:02:25,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:25,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2091329416] [2021-07-15 00:02:25,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:25,289 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:25,289 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:25,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2091329416] [2021-07-15 00:02:25,289 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2091329416] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:25,289 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833649187] [2021-07-15 00:02:25,289 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:25,318 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-15 00:02:25,318 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-15 00:02:25,319 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-15 00:02:25,321 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:25,395 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:25,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833649187] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:25,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:25,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-15 00:02:25,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644723831] [2021-07-15 00:02:25,397 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-15 00:02:25,397 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:25,397 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-15 00:02:25,398 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-15 00:02:25,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:25,398 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:25,398 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 12 states have internal predecessors, (38), 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) [2021-07-15 00:02:25,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:25,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:25,398 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-15 00:02:25,399 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:25,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-15 00:02:25,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-15 00:02:25,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-07-15 00:02:25,741 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:25,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:25,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1279798443, now seen corresponding path program 4 times [2021-07-15 00:02:25,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:25,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718034057] [2021-07-15 00:02:25,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:25,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:26,269 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:26,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:26,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718034057] [2021-07-15 00:02:26,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1718034057] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:26,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [701546939] [2021-07-15 00:02:26,270 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:26,300 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-15 00:02:26,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-15 00:02:26,301 INFO L263 TraceCheckSpWp]: Trace formula consists of 74 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-15 00:02:26,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:26,987 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:26,988 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:26,989 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:26,991 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:26,991 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-07-15 00:02:26,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:26,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:26,998 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:26,999 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,001 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 14 [2021-07-15 00:02:27,002 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,006 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,007 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,008 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,013 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-15 00:02:27,014 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,019 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,020 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,022 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 18 [2021-07-15 00:02:27,023 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,029 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,030 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,032 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 20 [2021-07-15 00:02:27,033 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,038 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,039 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,040 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,041 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 24 [2021-07-15 00:02:27,042 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,047 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,048 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,050 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,050 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 12 [2021-07-15 00:02:27,052 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,055 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,057 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,059 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,059 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-15 00:02:27,060 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,064 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,067 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 56 treesize of output 28 [2021-07-15 00:02:27,068 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,071 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,072 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,074 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,074 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-07-15 00:02:27,075 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,078 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,079 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,080 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,082 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,082 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 23 [2021-07-15 00:02:27,083 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,087 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,089 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,091 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 23 [2021-07-15 00:02:27,091 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,096 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,098 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 24 [2021-07-15 00:02:27,099 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,103 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,104 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,105 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 24 [2021-07-15 00:02:27,106 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,111 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,112 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 18 [2021-07-15 00:02:27,114 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-15 00:02:27,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,117 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-15 00:02:27,118 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 20 [2021-07-15 00:02:27,118 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-15 00:02:27,153 INFO L628 ElimStorePlain]: treesize reduction 40, result has 49.4 percent of original size [2021-07-15 00:02:27,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-15 00:02:27,155 INFO L247 ElimStorePlain]: Needed 17 recursive calls to eliminate 2 variables, input treesize:937, output treesize:27 [2021-07-15 00:02:27,190 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:27,190 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [701546939] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:27,190 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:27,190 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9] total 18 [2021-07-15 00:02:27,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300670800] [2021-07-15 00:02:27,191 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-15 00:02:27,191 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:27,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-15 00:02:27,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=278, Unknown=0, NotChecked=0, Total=342 [2021-07-15 00:02:27,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:27,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:27,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.5789473684210527) internal successors, (49), 18 states have internal predecessors, (49), 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) [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-15 00:02:27,192 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:27,500 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 60 [2021-07-15 00:02:27,806 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 67 [2021-07-15 00:02:28,553 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 63 [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-15 00:02:28,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-15 00:02:29,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:29,065 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-15 00:02:29,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-15 00:02:29,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1843488755, now seen corresponding path program 5 times [2021-07-15 00:02:29,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-15 00:02:29,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [178837051] [2021-07-15 00:02:29,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-15 00:02:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-15 00:02:29,119 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:29,119 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-15 00:02:29,119 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [178837051] [2021-07-15 00:02:29,119 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [178837051] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:29,120 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [26854982] [2021-07-15 00:02:29,120 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:29,149 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-15 00:02:29,149 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-15 00:02:29,149 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-15 00:02:29,150 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-15 00:02:29,247 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 9 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-15 00:02:29,247 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [26854982] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-15 00:02:29,248 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-15 00:02:29,248 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-15 00:02:29,248 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240949672] [2021-07-15 00:02:29,248 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-15 00:02:29,248 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-15 00:02:29,249 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-15 00:02:29,249 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=212, Unknown=0, NotChecked=0, Total=272 [2021-07-15 00:02:29,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:29,249 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-15 00:02:29,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 16 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-15 00:02:29,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-15 00:02:29,669 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable152,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-15 00:02:29,670 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.IllegalStateException: Guarantee of compatibility failed at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompatibleDfsOrder.lambda$0(PersistentSetReduction.java:137) at java.base/java.util.TimSort.countRunAndMakeAscending(TimSort.java:355) at java.base/java.util.TimSort.sort(TimSort.java:220) at java.base/java.util.Arrays.sort(Arrays.java:1515) at java.base/java.util.ArrayList.sort(ArrayList.java:1750) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.search(SleepSetNewStateReduction.java:147) at de.uni_freiburg.informatik.ultimate.automata.partialorder.SleepSetNewStateReduction.(SleepSetNewStateReduction.java:111) at de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction.applyNewStateReduction(PersistentSetReduction.java:67) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderReductionFacade.apply(PartialOrderReductionFacade.java:185) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.concurrency.PartialOrderCegarLoop.isAbstractionEmpty(PartialOrderCegarLoop.java:193) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:509) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-07-15 00:02:29,672 INFO L168 Benchmark]: Toolchain (without parser) took 12786.24 ms. Allocated memory was 191.9 MB in the beginning and 343.9 MB in the end (delta: 152.0 MB). Free memory was 170.7 MB in the beginning and 155.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 169.2 MB. Max. memory is 8.0 GB. [2021-07-15 00:02:29,672 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 191.9 MB. Free memory is still 171.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-15 00:02:29,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.67 ms. Allocated memory is still 191.9 MB. Free memory was 170.6 MB in the beginning and 169.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-15 00:02:29,673 INFO L168 Benchmark]: Boogie Preprocessor took 21.38 ms. Allocated memory is still 191.9 MB. Free memory was 169.0 MB in the beginning and 168.1 MB in the end (delta: 922.4 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-15 00:02:29,673 INFO L168 Benchmark]: RCFGBuilder took 216.59 ms. Allocated memory is still 191.9 MB. Free memory was 168.0 MB in the beginning and 154.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-15 00:02:29,673 INFO L168 Benchmark]: TraceAbstraction took 12523.26 ms. Allocated memory was 191.9 MB in the beginning and 343.9 MB in the end (delta: 152.0 MB). Free memory was 153.7 MB in the beginning and 155.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 151.3 MB. Max. memory is 8.0 GB. [2021-07-15 00:02:29,673 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.10 ms. Allocated memory is still 191.9 MB. Free memory is still 171.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.67 ms. Allocated memory is still 191.9 MB. Free memory was 170.6 MB in the beginning and 169.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.38 ms. Allocated memory is still 191.9 MB. Free memory was 169.0 MB in the beginning and 168.1 MB in the end (delta: 922.4 kB). There was no memory consumed. Max. memory is 8.0 GB. * RCFGBuilder took 216.59 ms. Allocated memory is still 191.9 MB. Free memory was 168.0 MB in the beginning and 154.2 MB in the end (delta: 13.8 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 12523.26 ms. Allocated memory was 191.9 MB in the beginning and 343.9 MB in the end (delta: 152.0 MB). Free memory was 153.7 MB in the beginning and 155.2 MB in the end (delta: -1.5 MB). Peak memory consumption was 151.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: IllegalStateException: Guarantee of compatibility failed de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: IllegalStateException: Guarantee of compatibility failed: de.uni_freiburg.informatik.ultimate.automata.partialorder.PersistentSetReduction$CompatibleDfsOrder.lambda$0(PersistentSetReduction.java:137) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...