/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-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:41:16,324 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:41:16,325 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:41:16,347 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:41:16,377 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 [2021-07-10 06:41:16,400 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:41:16,400 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:41:16,400 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:41:16,401 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:41:16,402 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:41:16,402 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:41:16,402 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:41:16,403 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:41:16,403 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:41:16,403 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:41:16,403 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:41:16,403 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:41:16,403 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:41:16,404 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:41:16,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:41:16,405 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:41:16,405 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:41:16,406 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:41:16,643 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:41:16,662 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:41:16,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:41:16,665 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:41:16,666 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:41:16,666 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl [2021-07-10 06:41:16,666 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/inc-subseq-array.wvr.bpl' [2021-07-10 06:41:16,685 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:41:16,686 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:41:16,687 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:41:16,687 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:41:16,687 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:41:16,695 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,701 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,706 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:41:16,708 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:41:16,708 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:41:16,708 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:41:16,714 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,714 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,715 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,717 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,719 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/1) ... [2021-07-10 06:41:16,720 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:41:16,724 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:41:16,724 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:41:16,724 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:41:16,726 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (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 [2021-07-10 06:41:16,792 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:41:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:41:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:41:16,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:41:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:41:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:41:16,793 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:41:16,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:41:16,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:41:16,794 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:41:16,950 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:41:16,950 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:41:16,951 INFO L202 PluginConnector]: Adding new model inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:41:16 BoogieIcfgContainer [2021-07-10 06:41:16,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:41:16,953 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:41:16,953 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:41:16,955 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:41:16,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:41:16" (1/2) ... [2021-07-10 06:41:16,955 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1b544e87 and model type inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:41:16, skipping insertion in model container [2021-07-10 06:41:16,955 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "inc-subseq-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:41:16" (2/2) ... [2021-07-10 06:41:16,956 INFO L111 eAbstractionObserver]: Analyzing ICFG inc-subseq-array.wvr.bpl [2021-07-10 06:41:16,960 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:41:16,960 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:41:16,960 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:41:16,960 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:41:16,991 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 06:41:17,006 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 [2021-07-10 06:41:17,042 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:41:17,043 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:41:17,043 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:41:17,043 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:41:17,043 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:41:17,043 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:41:17,043 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:41:17,043 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:41:17,160 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:41:17,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:41:17,164 INFO L82 PathProgramCache]: Analyzing trace with hash 1915583138, now seen corresponding path program 1 times [2021-07-10 06:41:17,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:41:17,170 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299419739] [2021-07-10 06:41:17,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:41:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:17,289 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:41:17,290 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:41:17,290 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299419739] [2021-07-10 06:41:17,291 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299419739] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:41:17,291 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:41:17,291 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:41:17,291 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665114340] [2021-07-10 06:41:17,294 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:41:17,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:41:17,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:41:17,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:41:17,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:17,308 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:41:17,310 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) [2021-07-10 06:41:17,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:17,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:17,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:41:17,364 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:41:17,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:41:17,367 INFO L82 PathProgramCache]: Analyzing trace with hash -734683570, now seen corresponding path program 2 times [2021-07-10 06:41:17,367 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:41:17,368 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1594078174] [2021-07-10 06:41:17,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:41:17,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:17,502 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:41:17,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:41:17,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1594078174] [2021-07-10 06:41:17,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1594078174] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:17,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1557942858] [2021-07-10 06:41:17,503 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 [2021-07-10 06:41:17,562 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:41:17,562 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:41:17,564 INFO L263 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 06:41:17,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:41:17,701 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 [2021-07-10 06:41:17,708 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:41:17,711 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:17,712 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:41:17,712 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:14, output treesize:7 [2021-07-10 06:41:17,748 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 [2021-07-10 06:41:17,751 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:41:17,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:17,757 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:41:17,757 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:12, output treesize:5 [2021-07-10 06:41:17,773 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:41:17,773 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1557942858] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:17,773 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:41:17,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8] total 11 [2021-07-10 06:41:17,774 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1217192531] [2021-07-10 06:41:17,774 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:41:17,775 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:41:17,775 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:41:17,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:41:17,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:17,775 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:41:17,775 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) [2021-07-10 06:41:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:17,776 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:17,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:17,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:18,137 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:41:18,137 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:41:18,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:41:18,138 INFO L82 PathProgramCache]: Analyzing trace with hash 846702139, now seen corresponding path program 3 times [2021-07-10 06:41:18,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:41:18,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365766122] [2021-07-10 06:41:18,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:41:18,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:18,373 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:41:18,373 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:41:18,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365766122] [2021-07-10 06:41:18,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365766122] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:18,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [771218305] [2021-07-10 06:41:18,374 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 [2021-07-10 06:41:18,418 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 06:41:18,419 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:41:18,419 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-10 06:41:18,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:41:18,597 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:18,597 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 [2021-07-10 06:41:18,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:41:18,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:18,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:41:18,614 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:30, output treesize:16 [2021-07-10 06:41:18,773 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:18,773 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 [2021-07-10 06:41:18,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 06:41:18,803 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:18,808 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:41:18,809 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:29, output treesize:21 [2021-07-10 06:41:18,887 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:41:18,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [771218305] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:18,887 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:41:18,887 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15] total 27 [2021-07-10 06:41:18,888 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439765177] [2021-07-10 06:41:18,890 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-10 06:41:18,892 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:41:18,892 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-10 06:41:18,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=132, Invalid=624, Unknown=0, NotChecked=0, Total=756 [2021-07-10 06:41:18,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:18,894 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:41:18,894 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) [2021-07-10 06:41:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:18,894 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:19,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:19,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:19,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:41:19,981 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:41:19,981 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:41:19,981 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:41:19,981 INFO L82 PathProgramCache]: Analyzing trace with hash 918468463, now seen corresponding path program 1 times [2021-07-10 06:41:19,981 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:41:19,982 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240433227] [2021-07-10 06:41:19,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:41:19,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:20,026 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 25 proven. 26 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:41:20,026 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:41:20,026 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240433227] [2021-07-10 06:41:20,026 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240433227] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:20,027 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1567036553] [2021-07-10 06:41:20,027 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 [2021-07-10 06:41:20,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:20,063 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-10 06:41:20,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:41:20,127 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 37 proven. 14 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:41:20,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1567036553] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:20,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:41:20,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-10 06:41:20,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648329984] [2021-07-10 06:41:20,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-10 06:41:20,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:41:20,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-10 06:41:20,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2021-07-10 06:41:20,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:20,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:41:20,128 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) [2021-07-10 06:41:20,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:20,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:20,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:41:20,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:20,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:41:20,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:41:20,404 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:41:20,405 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:41:20,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:41:20,405 INFO L82 PathProgramCache]: Analyzing trace with hash 192214836, now seen corresponding path program 2 times [2021-07-10 06:41:20,405 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:41:20,406 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1897258505] [2021-07-10 06:41:20,406 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:41:20,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:21,133 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 0 proven. 155 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-07-10 06:41:21,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:41:21,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1897258505] [2021-07-10 06:41:21,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1897258505] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:21,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [349339712] [2021-07-10 06:41:21,134 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 [2021-07-10 06:41:21,190 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:41:21,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:41:21,191 INFO L263 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 72 conjunts are in the unsatisfiable core [2021-07-10 06:41:21,194 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:41:23,128 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:23,128 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 [2021-07-10 06:41:23,152 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:41:23,306 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 94 [2021-07-10 06:41:23,307 INFO L628 ElimStorePlain]: treesize reduction 230, result has 56.4 percent of original size [2021-07-10 06:41:23,365 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:41:23,365 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:108, output treesize:74 [2021-07-10 06:41:23,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:41:23,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:41:23,952 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:23,952 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 [2021-07-10 06:41:23,992 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-10 06:41:24,003 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:41:24,025 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:41:24,025 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:85, output treesize:17 [2021-07-10 06:41:24,110 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 13 proven. 153 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:41:24,110 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [349339712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:24,110 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:41:24,110 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 39] total 66 [2021-07-10 06:41:24,110 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1621682790] [2021-07-10 06:41:24,111 INFO L462 AbstractCegarLoop]: Interpolant automaton has 67 states [2021-07-10 06:41:24,111 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:41:24,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 67 interpolants. [2021-07-10 06:41:24,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=477, Invalid=3945, Unknown=0, NotChecked=0, Total=4422 [2021-07-10 06:41:24,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:24,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:41:24,114 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) [2021-07-10 06:41:24,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:24,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:24,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:41:24,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:41:24,114 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:25,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:41:25,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:41:25,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:41:25,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 06:41:25,522 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:41:25,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:41:25,523 INFO L82 PathProgramCache]: Analyzing trace with hash 46782468, now seen corresponding path program 3 times [2021-07-10 06:41:25,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:41:25,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364362657] [2021-07-10 06:41:25,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:41:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 84 proven. 87 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-10 06:41:25,588 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:41:25,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364362657] [2021-07-10 06:41:25,588 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1364362657] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:25,588 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1116583132] [2021-07-10 06:41:25,588 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 [2021-07-10 06:41:25,628 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 9 check-sat command(s) [2021-07-10 06:41:25,628 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:41:25,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 06:41:25,630 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:41:25,712 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 105 proven. 66 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2021-07-10 06:41:25,713 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1116583132] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:25,713 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:41:25,713 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-10 06:41:25,714 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134947994] [2021-07-10 06:41:25,714 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 06:41:25,715 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:41:25,715 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 06:41:25,715 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-07-10 06:41:25,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:25,715 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:41:25,715 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) [2021-07-10 06:41:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:41:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:41:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:41:25,715 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:41:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:41:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:41:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:41:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:41:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:41:25,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:41:25,964 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable88,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:41:25,965 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:41:25,965 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:41:25,965 INFO L82 PathProgramCache]: Analyzing trace with hash -1202837030, now seen corresponding path program 4 times [2021-07-10 06:41:25,965 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:41:25,965 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699036453] [2021-07-10 06:41:25,965 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:41:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:41:26,940 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 0 proven. 277 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 06:41:26,941 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:41:26,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699036453] [2021-07-10 06:41:26,941 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699036453] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:41:26,941 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1505386634] [2021-07-10 06:41:26,941 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-07-10 06:41:26,979 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:41:26,979 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:41:26,980 WARN L261 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 95 conjunts are in the unsatisfiable core [2021-07-10 06:41:26,982 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:41:42,903 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-10 06:42:01,942 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-10 06:42:02,102 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-10 06:42:02,102 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:02,103 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 [2021-07-10 06:42:02,161 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:02,646 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 165 [2021-07-10 06:42:02,647 INFO L628 ElimStorePlain]: treesize reduction 364, result has 61.4 percent of original size [2021-07-10 06:42:02,830 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. [2021-07-10 06:42:02,830 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 10 variables, input treesize:140, output treesize:143 [2021-07-10 06:42:04,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:42:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:42:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:04,606 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 [2021-07-10 06:42:04,608 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:04,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:04,614 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:04,615 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:101, output treesize:5 [2021-07-10 06:42:04,627 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 18 proven. 275 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:42:04,627 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1505386634] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:04,627 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:04,627 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [42, 50] total 85 [2021-07-10 06:42:04,627 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1837589146] [2021-07-10 06:42:04,628 INFO L462 AbstractCegarLoop]: Interpolant automaton has 86 states [2021-07-10 06:42:04,628 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:04,628 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 86 interpolants. [2021-07-10 06:42:04,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=589, Invalid=6719, Unknown=2, NotChecked=0, Total=7310 [2021-07-10 06:42:04,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:04,630 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:04,631 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) [2021-07-10 06:42:04,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:04,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:04,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:04,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:04,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:04,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:04,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:06,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:06,085 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:42:06,301 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable89 [2021-07-10 06:42:06,301 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:06,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:06,302 INFO L82 PathProgramCache]: Analyzing trace with hash 848983722, now seen corresponding path program 5 times [2021-07-10 06:42:06,302 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:06,302 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292067616] [2021-07-10 06:42:06,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:06,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:06,363 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 150 proven. 149 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-10 06:42:06,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:06,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292067616] [2021-07-10 06:42:06,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1292067616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:06,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117739537] [2021-07-10 06:42:06,364 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 [2021-07-10 06:42:06,413 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-10 06:42:06,413 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:06,414 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:42:06,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:06,537 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 177 proven. 122 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-07-10 06:42:06,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117739537] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:06,538 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:06,538 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-10 06:42:06,538 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1060943882] [2021-07-10 06:42:06,538 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 06:42:06,538 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:06,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 06:42:06,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-07-10 06:42:06,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:06,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:06,539 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) [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:42:06,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:42:06,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:42:06,800 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable239 [2021-07-10 06:42:06,801 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:06,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:06,801 INFO L82 PathProgramCache]: Analyzing trace with hash 2136612212, now seen corresponding path program 6 times [2021-07-10 06:42:06,801 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:06,801 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161558045] [2021-07-10 06:42:06,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:08,273 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 2 proven. 435 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-10 06:42:08,273 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:08,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161558045] [2021-07-10 06:42:08,273 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161558045] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:08,273 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [937735991] [2021-07-10 06:42:08,274 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 [2021-07-10 06:42:08,324 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-07-10 06:42:08,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:08,326 WARN L261 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 130 conjunts are in the unsatisfiable core [2021-07-10 06:42:08,328 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:13,446 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-10 06:42:13,446 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:42:13,447 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 [2021-07-10 06:42:13,559 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:14,210 WARN L205 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 193 [2021-07-10 06:42:14,210 INFO L628 ElimStorePlain]: treesize reduction 618, result has 53.6 percent of original size [2021-07-10 06:42:14,838 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 06:42:14,838 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:162, output treesize:155 [2021-07-10 06:42:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,594 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,692 INFO L244 Elim1Store]: Index analysis took 105 ms [2021-07-10 06:42:16,738 INFO L354 Elim1Store]: treesize reduction 78, result has 42.2 percent of original size [2021-07-10 06:42:16,738 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 [2021-07-10 06:42:16,758 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:16,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,770 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,771 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,786 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,913 INFO L354 Elim1Store]: treesize reduction 14, result has 84.3 percent of original size [2021-07-10 06:42:16,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 58 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 8 case distinctions, treesize of input 112 treesize of output 108 [2021-07-10 06:42:16,952 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,077 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-07-10 06:42:17,120 INFO L354 Elim1Store]: treesize reduction 40, result has 60.4 percent of original size [2021-07-10 06:42:17,120 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 [2021-07-10 06:42:17,139 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,195 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,203 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,286 INFO L244 Elim1Store]: Index analysis took 142 ms [2021-07-10 06:42:17,295 INFO L354 Elim1Store]: treesize reduction 148, result has 0.7 percent of original size [2021-07-10 06:42:17,295 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 [2021-07-10 06:42:17,296 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:17,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:42:17,362 INFO L354 Elim1Store]: treesize reduction 124, result has 0.8 percent of original size [2021-07-10 06:42:17,363 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 [2021-07-10 06:42:17,363 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:42:17,411 INFO L628 ElimStorePlain]: treesize reduction 50, result has 56.5 percent of original size [2021-07-10 06:42:17,421 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-07-10 06:42:17,422 INFO L247 ElimStorePlain]: Needed 6 recursive calls to eliminate 2 variables, input treesize:646, output treesize:47 [2021-07-10 06:42:17,588 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 46 proven. 410 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:42:17,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [937735991] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:17,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:17,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 68] total 118 [2021-07-10 06:42:17,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137909917] [2021-07-10 06:42:17,589 INFO L462 AbstractCegarLoop]: Interpolant automaton has 119 states [2021-07-10 06:42:17,589 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:17,590 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 119 interpolants. [2021-07-10 06:42:17,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=809, Invalid=13233, Unknown=0, NotChecked=0, Total=14042 [2021-07-10 06:42:17,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:17,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:17,593 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) [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:42:17,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:42:21,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:42:21,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 06:42:21,842 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable240,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:21,842 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:21,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:21,843 INFO L82 PathProgramCache]: Analyzing trace with hash 773510724, now seen corresponding path program 7 times [2021-07-10 06:42:21,843 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:21,843 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317610267] [2021-07-10 06:42:21,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:21,900 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 235 proven. 228 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-10 06:42:21,901 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:21,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317610267] [2021-07-10 06:42:21,901 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317610267] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:21,901 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [437936620] [2021-07-10 06:42:21,901 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 [2021-07-10 06:42:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:21,943 INFO L263 TraceCheckSpWp]: Trace formula consists of 234 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 06:42:21,945 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 268 proven. 195 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2021-07-10 06:42:22,069 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [437936620] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:22,069 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:42:22,069 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 06:42:22,069 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1080167618] [2021-07-10 06:42:22,070 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 06:42:22,070 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:42:22,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 06:42:22,070 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2021-07-10 06:42:22,070 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:22,071 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:42:22,071 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) [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 39 states. [2021-07-10 06:42:22,071 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-10 06:42:22,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2021-07-10 06:42:22,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 06:42:22,332 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable824,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:42:22,333 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:42:22,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:42:22,333 INFO L82 PathProgramCache]: Analyzing trace with hash 1647710862, now seen corresponding path program 8 times [2021-07-10 06:42:22,333 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:42:22,333 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684898231] [2021-07-10 06:42:22,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:42:22,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:42:24,263 INFO L134 CoverageAnalysis]: Checked inductivity of 655 backedges. 0 proven. 629 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-07-10 06:42:24,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:42:24,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684898231] [2021-07-10 06:42:24,263 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684898231] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:42:24,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2127442270] [2021-07-10 06:42:24,263 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 [2021-07-10 06:42:24,320 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:42:24,320 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:42:24,323 WARN L261 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 142 conjunts are in the unsatisfiable core [2021-07-10 06:42:24,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:42:51,108 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-10 06:43:19,544 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-10 06:43:32,681 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-10 06:43:32,682 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-10 06:43:32,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable825 [2021-07-10 06:43:32,883 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 [2021-07-10 06:43:32,886 INFO L168 Benchmark]: Toolchain (without parser) took 136200.35 ms. Allocated memory was 180.4 MB in the beginning and 451.9 MB in the end (delta: 271.6 MB). Free memory was 161.0 MB in the beginning and 223.0 MB in the end (delta: -62.1 MB). Peak memory consumption was 210.3 MB. Max. memory is 8.0 GB. [2021-07-10 06:43:32,886 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 180.4 MB. Free memory is still 162.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 06:43:32,886 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 180.4 MB. Free memory was 161.0 MB in the beginning and 159.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 06:43:32,886 INFO L168 Benchmark]: Boogie Preprocessor took 13.05 ms. Allocated memory is still 180.4 MB. Free memory was 159.5 MB in the beginning and 158.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 06:43:32,886 INFO L168 Benchmark]: RCFGBuilder took 227.65 ms. Allocated memory is still 180.4 MB. Free memory was 158.5 MB in the beginning and 145.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 06:43:32,887 INFO L168 Benchmark]: TraceAbstraction took 135933.18 ms. Allocated memory was 180.4 MB in the beginning and 451.9 MB in the end (delta: 271.6 MB). Free memory was 144.8 MB in the beginning and 223.0 MB in the end (delta: -78.2 MB). Peak memory consumption was 194.6 MB. Max. memory is 8.0 GB. [2021-07-10 06:43:32,887 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 180.4 MB. Free memory is still 162.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 20.55 ms. Allocated memory is still 180.4 MB. Free memory was 161.0 MB in the beginning and 159.5 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Preprocessor took 13.05 ms. Allocated memory is still 180.4 MB. Free memory was 159.5 MB in the beginning and 158.5 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 227.65 ms. Allocated memory is still 180.4 MB. Free memory was 158.5 MB in the beginning and 145.2 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 135933.18 ms. Allocated memory was 180.4 MB in the beginning and 451.9 MB in the end (delta: 271.6 MB). Free memory was 144.8 MB in the beginning and 223.0 MB in the end (delta: -78.2 MB). Peak memory consumption was 194.6 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...