/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:24:16,100 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:24:16,102 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:24:16,129 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:24:16,181 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-14 11:24:16,208 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:24:16,208 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:24:16,209 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:24:16,209 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:24:16,210 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:24:16,211 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:24:16,211 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:24:16,211 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:24:16,211 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:24:16,211 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:24:16,212 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:24:16,213 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:24:16,213 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:24:16,213 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:24:16,213 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:24:16,213 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:24:16,213 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:24:16,213 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:24:16,213 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:24:16,214 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:24:16,214 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:24:16,214 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:24:16,214 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:24:16,214 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:24:16,214 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:24:16,214 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:24:16,435 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:24:16,452 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:24:16,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:24:16,455 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:24:16,455 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:24:16,456 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl [2021-07-14 11:24:16,456 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq.wvr.bpl' [2021-07-14 11:24:16,484 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:24:16,485 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:24:16,487 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:24:16,488 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:24:16,488 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:24:16,496 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,501 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,505 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:24:16,506 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:24:16,506 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:24:16,506 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:24:16,511 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,511 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,515 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,515 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/1) ... [2021-07-14 11:24:16,516 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:24:16,516 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:24:16,516 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:24:16,517 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:24:16,533 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (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 [2021-07-14 11:24:16,581 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:24:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:24:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:24:16,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:24:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:24:16,582 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:24:16,582 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:24:16,582 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:24:16,583 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:24:16,584 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 11:24:16,754 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:24:16,754 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:24:16,755 INFO L202 PluginConnector]: Adding new model inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:24:16 BoogieIcfgContainer [2021-07-14 11:24:16,755 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:24:16,756 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:24:16,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:24:16,758 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:24:16,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:24:16" (1/2) ... [2021-07-14 11:24:16,759 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@63f6f35b and model type inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:24:16, skipping insertion in model container [2021-07-14 11:24:16,759 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:24:16" (2/2) ... [2021-07-14 11:24:16,760 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq.wvr.bpl [2021-07-14 11:24:16,764 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:24:16,764 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:24:16,764 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:24:16,764 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:24:16,808 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 11:24:16,822 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 11:24:16,904 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:24:16,904 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:24:16,905 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:24:16,905 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:24:16,905 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:24:16,905 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:24:16,905 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:24:16,905 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:24:17,070 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:17,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:17,074 INFO L82 PathProgramCache]: Analyzing trace with hash 1915583138, now seen corresponding path program 1 times [2021-07-14 11:24:17,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:17,079 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050273599] [2021-07-14 11:24:17,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:17,179 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:24:17,180 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:17,180 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050273599] [2021-07-14 11:24:17,180 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1050273599] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:24:17,180 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:24:17,181 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:24:17,181 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [680650031] [2021-07-14 11:24:17,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:24:17,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:17,191 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:24:17,192 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:24:17,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:17,193 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:17,194 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:17,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:17,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:17,229 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:24:17,229 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:17,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:17,230 INFO L82 PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 2 times [2021-07-14 11:24:17,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:17,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895627848] [2021-07-14 11:24:17,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:17,349 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:17,349 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:17,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895627848] [2021-07-14 11:24:17,349 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895627848] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:17,349 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412517410] [2021-07-14 11:24:17,349 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:17,393 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:24:17,393 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:17,395 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:24:17,398 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:17,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 11:24:17,569 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:17,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:17,577 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:24:17,577 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-14 11:24:17,604 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-14 11:24:17,607 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:17,610 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:17,612 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:24:17,612 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-14 11:24:17,638 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:17,638 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412517410] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:17,638 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:17,638 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-14 11:24:17,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697195794] [2021-07-14 11:24:17,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:24:17,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:17,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:24:17,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:24:17,643 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:17,643 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:17,643 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.6666666666666665) internal successors, (32), 11 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:17,643 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:17,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:17,976 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:17,977 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:17,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:17,977 INFO L82 PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 3 times [2021-07-14 11:24:17,977 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:17,978 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118274070] [2021-07-14 11:24:17,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:18,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:18,243 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:18,244 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:18,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118274070] [2021-07-14 11:24:18,244 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118274070] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:18,244 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [28295896] [2021-07-14 11:24:18,244 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:18,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 11:24:18,286 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:18,287 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 11:24:18,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:18,533 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:18,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 27 [2021-07-14 11:24:18,542 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:18,547 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:18,548 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:24:18,548 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-07-14 11:24:18,723 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:18,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 20 treesize of output 38 [2021-07-14 11:24:18,768 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:24:18,783 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:18,790 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:24:18,790 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21 [2021-07-14 11:24:18,861 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:18,862 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [28295896] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:18,862 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:18,862 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-14 11:24:18,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1674319939] [2021-07-14 11:24:18,864 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 11:24:18,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:18,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 11:24:18,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-14 11:24:18,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:18,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:18,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 2.0357142857142856) internal successors, (57), 27 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:18,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:18,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:18,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:19,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:19,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:19,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:19,991 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:19,991 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:19,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:19,991 INFO L82 PathProgramCache]: Analyzing trace with hash 918468463, now seen corresponding path program 1 times [2021-07-14 11:24:19,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:19,992 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [576556135] [2021-07-14 11:24:19,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:20,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:20,041 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:24:20,041 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:20,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [576556135] [2021-07-14 11:24:20,041 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [576556135] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:20,041 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1408100831] [2021-07-14 11:24:20,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:20,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:20,075 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 11:24:20,076 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:20,159 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:24:20,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1408100831] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:20,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:20,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-14 11:24:20,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080354025] [2021-07-14 11:24:20,160 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 11:24:20,160 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:20,161 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 11:24:20,161 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-14 11:24:20,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:20,161 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:20,161 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 6 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:20,161 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:20,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:20,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:20,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:20,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:20,428 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:20,429 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:20,429 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:20,429 INFO L82 PathProgramCache]: Analyzing trace with hash 192214836, now seen corresponding path program 2 times [2021-07-14 11:24:20,429 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:20,430 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2104523974] [2021-07-14 11:24:20,430 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:21,205 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-14 11:24:21,205 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:21,205 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2104523974] [2021-07-14 11:24:21,206 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2104523974] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:21,206 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [595879290] [2021-07-14 11:24:21,206 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 [2021-07-14 11:24:21,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:24:21,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:21,245 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-14 11:24:21,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:23,320 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:23,321 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 90 treesize of output 178 [2021-07-14 11:24:23,343 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:24:23,517 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-14 11:24:23,518 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-07-14 11:24:23,599 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:24:23,600 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-07-14 11:24:24,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:24:24,120 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:24:24,143 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:24,144 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 15 disjoint index pairs (out of 28 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 80 [2021-07-14 11:24:24,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-14 11:24:24,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:24:24,192 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:24:24,192 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-07-14 11:24:24,290 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 13 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:24:24,290 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [595879290] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:24,290 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:24,290 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39] total 66 [2021-07-14 11:24:24,290 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [931265708] [2021-07-14 11:24:24,291 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-14 11:24:24,291 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:24,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-14 11:24:24,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2021-07-14 11:24:24,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:24,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:24,293 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 67 states, 67 states have (on average 1.8208955223880596) internal successors, (122), 66 states have internal predecessors, (122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:24,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:24,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:24,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:24,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:24,293 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:25,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:25,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:25,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:24:25,797 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-14 11:24:25,797 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:25,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:25,797 INFO L82 PathProgramCache]: Analyzing trace with hash 46782468, now seen corresponding path program 3 times [2021-07-14 11:24:25,797 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:25,797 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880149785] [2021-07-14 11:24:25,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:25,870 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 11:24:25,870 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:25,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880149785] [2021-07-14 11:24:25,870 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [880149785] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:25,870 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [58175361] [2021-07-14 11:24:25,870 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 [2021-07-14 11:24:25,923 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-14 11:24:25,923 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:25,924 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 11:24:25,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:26,028 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-14 11:24:26,028 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [58175361] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:26,029 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:24:26,029 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 11:24:26,029 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [133839015] [2021-07-14 11:24:26,029 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 11:24:26,029 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:24:26,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 11:24:26,029 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-14 11:24:26,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:26,030 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:24:26,030 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 7.25) internal successors, (58), 7 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:24:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:24:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:24:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:24:26,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:24:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:24:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:24:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:24:26,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:24:26,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:24:26,286 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:24:26,287 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:24:26,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1202837030, now seen corresponding path program 4 times [2021-07-14 11:24:26,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:24:26,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1500060484] [2021-07-14 11:24:26,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:24:26,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:24:27,369 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 11:24:27,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:24:27,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1500060484] [2021-07-14 11:24:27,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1500060484] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:24:27,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [22976401] [2021-07-14 11:24:27,369 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 [2021-07-14 11:24:27,410 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:24:27,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:24:27,412 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-14 11:24:27,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:24:43,990 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:25:02,053 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:25:02,279 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 11:25:02,279 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:02,280 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 28 case distinctions, treesize of input 122 treesize of output 302 [2021-07-14 11:25:02,333 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:02,859 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 165 [2021-07-14 11:25:02,859 INFO L628 ElimStorePlain]: treesize reduction 364, result has 61.4 percent of original size [2021-07-14 11:25:03,054 INFO L550 ElimStorePlain]: Start of recursive call 1: 9 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 11:25:03,054 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:143 [2021-07-14 11:25:05,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,027 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:25:05,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,031 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:25:05,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:05,037 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 28 disjoint index pairs (out of 45 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 28 [2021-07-14 11:25:05,039 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:05,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:05,045 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:25:05,046 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-07-14 11:25:05,057 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 18 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:25:05,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [22976401] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:05,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:05,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-07-14 11:25:05,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1111204593] [2021-07-14 11:25:05,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-14 11:25:05,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:05,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-14 11:25:05,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-07-14 11:25:05,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:05,061 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:05,061 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 86 states, 86 states have (on average 1.744186046511628) internal successors, (150), 85 states have internal predecessors, (150), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:25:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:05,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:05,062 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:06,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:06,967 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-07-14 11:25:06,968 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:06,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:06,968 INFO L82 PathProgramCache]: Analyzing trace with hash 848983722, now seen corresponding path program 5 times [2021-07-14 11:25:06,968 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:06,968 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [182970565] [2021-07-14 11:25:06,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:07,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:07,047 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 150 proven. 149 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-14 11:25:07,047 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:07,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [182970565] [2021-07-14 11:25:07,049 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [182970565] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:07,049 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375403482] [2021-07-14 11:25:07,049 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 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 [2021-07-14 11:25:07,108 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 11:25:07,108 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:25:07,109 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:25:07,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:07,229 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 177 proven. 122 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-14 11:25:07,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375403482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:07,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:07,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 11:25:07,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [683430686] [2021-07-14 11:25:07,229 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 11:25:07,229 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:07,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 11:25:07,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-14 11:25:07,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:07,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:07,230 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 7.444444444444445) internal successors, (67), 8 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:07,230 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:07,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:07,514 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable239 [2021-07-14 11:25:07,515 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:07,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:07,520 INFO L82 PathProgramCache]: Analyzing trace with hash 2136612212, now seen corresponding path program 6 times [2021-07-14 11:25:07,520 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:07,521 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1470282565] [2021-07-14 11:25:07,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:07,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:09,008 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 11:25:09,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:09,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1470282565] [2021-07-14 11:25:09,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1470282565] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:09,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [548573646] [2021-07-14 11:25:09,008 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-14 11:25:09,067 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-14 11:25:09,068 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:25:09,069 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 130 conjunts are in the unsatisfiable core [2021-07-14 11:25:09,071 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:14,644 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-14 11:25:14,644 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:14,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 10 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 35 case distinctions, treesize of input 154 treesize of output 378 [2021-07-14 11:25:14,754 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:15,520 WARN L205 SmtUtils]: Spent 765.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 193 [2021-07-14 11:25:15,521 INFO L628 ElimStorePlain]: treesize reduction 618, result has 53.6 percent of original size [2021-07-14 11:25:16,144 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 11:25:16,144 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:155 [2021-07-14 11:25:17,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:17,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,107 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:25:18,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 57 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 9 case distinctions, treesize of input 112 treesize of output 132 [2021-07-14 11:25:18,281 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 4 xjuncts. [2021-07-14 11:25:18,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,292 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,294 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,421 INFO L244 Elim1Store]: Index analysis took 134 ms [2021-07-14 11:25:18,472 INFO L354 Elim1Store]: treesize reduction 78, result has 42.2 percent of original size [2021-07-14 11:25:18,472 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 66 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 12 case distinctions, treesize of input 123 treesize of output 93 [2021-07-14 11:25:18,485 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:18,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,620 INFO L244 Elim1Store]: Index analysis took 129 ms [2021-07-14 11:25:18,667 INFO L354 Elim1Store]: treesize reduction 40, result has 60.4 percent of original size [2021-07-14 11:25:18,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 69 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 97 [2021-07-14 11:25:18,692 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:18,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,701 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,702 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,753 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,842 INFO L244 Elim1Store]: Index analysis took 145 ms [2021-07-14 11:25:18,849 INFO L354 Elim1Store]: treesize reduction 148, result has 0.7 percent of original size [2021-07-14 11:25:18,849 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 78 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 13 case distinctions, treesize of input 123 treesize of output 1 [2021-07-14 11:25:18,850 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:18,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,864 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,867 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:25:18,936 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-07-14 11:25:18,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 80 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 11 case distinctions, treesize of input 123 treesize of output 1 [2021-07-14 11:25:18,937 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:25:18,991 INFO L628 ElimStorePlain]: treesize reduction 148, result has 30.5 percent of original size [2021-07-14 11:25:18,996 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-14 11:25:18,996 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-07-14 11:25:19,182 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 46 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:25:19,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [548573646] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:19,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:19,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 68] total 118 [2021-07-14 11:25:19,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [874648074] [2021-07-14 11:25:19,184 INFO L462 AbstractCegarLoop]: Interpolant automaton has 119 states [2021-07-14 11:25:19,184 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:19,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2021-07-14 11:25:19,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=809, Invalid=13233, Unknown=0, NotChecked=0, Total=14042 [2021-07-14 11:25:19,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:19,186 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:19,187 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 119 states, 119 states have (on average 1.596638655462185) internal successors, (190), 118 states have internal predecessors, (190), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:19,187 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:22,369 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 42 [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:23,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:23,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 11:25:23,749 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:25:23,749 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:23,750 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:23,750 INFO L82 PathProgramCache]: Analyzing trace with hash 773510724, now seen corresponding path program 7 times [2021-07-14 11:25:23,750 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:23,750 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773090402] [2021-07-14 11:25:23,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:23,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:23,858 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 235 proven. 228 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 11:25:23,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:23,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773090402] [2021-07-14 11:25:23,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1773090402] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:23,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [160993729] [2021-07-14 11:25:23,859 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-14 11:25:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:23,914 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 11:25:23,915 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:24,037 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 268 proven. 195 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-14 11:25:24,037 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [160993729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:24,037 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:25:24,037 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 11:25:24,038 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [548376936] [2021-07-14 11:25:24,038 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 11:25:24,038 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:25:24,038 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 11:25:24,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-07-14 11:25:24,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:24,038 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:25:24,038 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 7.6) internal successors, (76), 9 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-14 11:25:24,039 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 11:25:24,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-14 11:25:24,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 11:25:24,300 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable880,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:25:24,300 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:25:24,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:25:24,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1647710862, now seen corresponding path program 8 times [2021-07-14 11:25:24,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:25:24,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1916450292] [2021-07-14 11:25:24,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:25:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:25:26,329 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 629 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-07-14 11:25:26,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:25:26,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1916450292] [2021-07-14 11:25:26,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1916450292] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:25:26,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2086125657] [2021-07-14 11:25:26,329 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:25:26,391 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:25:26,391 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:25:26,393 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 142 conjunts are in the unsatisfiable core [2021-07-14 11:25:26,395 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:25:53,615 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 11:26:20,750 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-14 11:26:33,960 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 11:26:33,961 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 11:26:34,161 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable881 [2021-07-14 11:26:34,162 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) 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$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-14 11:26:34,165 INFO L168 Benchmark]: Toolchain (without parser) took 137680.40 ms. Allocated memory was 188.7 MB in the beginning and 508.6 MB in the end (delta: 319.8 MB). Free memory was 168.2 MB in the beginning and 218.2 MB in the end (delta: -50.1 MB). Peak memory consumption was 271.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:34,165 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 188.7 MB. Free memory was 169.3 MB in the beginning and 169.2 MB in the end (delta: 76.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 11:26:34,165 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 188.7 MB. Free memory was 168.1 MB in the beginning and 166.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:34,166 INFO L168 Benchmark]: Boogie Preprocessor took 10.08 ms. Allocated memory is still 188.7 MB. Free memory was 166.6 MB in the beginning and 165.6 MB in the end (delta: 959.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:34,166 INFO L168 Benchmark]: RCFGBuilder took 239.02 ms. Allocated memory is still 188.7 MB. Free memory was 165.5 MB in the beginning and 152.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:34,166 INFO L168 Benchmark]: TraceAbstraction took 137408.51 ms. Allocated memory was 188.7 MB in the beginning and 508.6 MB in the end (delta: 319.8 MB). Free memory was 151.6 MB in the beginning and 218.2 MB in the end (delta: -66.7 MB). Peak memory consumption was 254.2 MB. Max. memory is 8.0 GB. [2021-07-14 11:26:34,166 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 0.11 ms. Allocated memory is still 188.7 MB. Free memory was 169.3 MB in the beginning and 169.2 MB in the end (delta: 76.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 17.78 ms. Allocated memory is still 188.7 MB. Free memory was 168.1 MB in the beginning and 166.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 10.08 ms. Allocated memory is still 188.7 MB. Free memory was 166.6 MB in the beginning and 165.6 MB in the end (delta: 959.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 239.02 ms. Allocated memory is still 188.7 MB. Free memory was 165.5 MB in the beginning and 152.1 MB in the end (delta: 13.5 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 137408.51 ms. Allocated memory was 188.7 MB in the beginning and 508.6 MB in the end (delta: 319.8 MB). Free memory was 151.6 MB in the beginning and 218.2 MB in the end (delta: -66.7 MB). Peak memory consumption was 254.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...