/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random521.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 22:42:21,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 22:42:21,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 22:42:21,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 22:42:21,653 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-DelaySleep-NoLbe-Random521.epf [2021-06-06 22:42:21,675 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 22:42:21,675 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 22:42:21,675 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 22:42:21,675 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 22:42:21,677 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 22:42:21,677 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 22:42:21,677 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 22:42:21,677 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 22:42:21,677 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 22:42:21,677 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 22:42:21,678 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 22:42:21,678 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 22:42:21,678 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 22:42:21,678 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 22:42:21,678 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 22:42:21,678 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 22:42:21,679 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:42:21,679 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 22:42:21,679 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-06 22:42:21,680 INFO L138 SettingsManager]: * Random seed used by POR DFS order=521 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 22:42:21,899 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 22:42:21,917 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 22:42:21,919 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 22:42:21,920 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 22:42:21,921 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 22:42:21,921 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl [2021-06-06 22:42:21,922 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/array-sum.wvr.bpl' [2021-06-06 22:42:21,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 22:42:21,940 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 22:42:21,941 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 22:42:21,941 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 22:42:21,941 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 22:42:21,949 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,954 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,958 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 22:42:21,959 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 22:42:21,959 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 22:42:21,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 22:42:21,964 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,964 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,965 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,965 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,968 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,969 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... [2021-06-06 22:42:21,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 22:42:21,970 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 22:42:21,970 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 22:42:21,970 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 22:42:21,972 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 22:42:22,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 22:42:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 22:42:22,020 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 22:42:22,020 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 22:42:22,020 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 22:42:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 22:42:22,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 22:42:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 22:42:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 22:42:22,021 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 22:42:22,021 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 22:42:22,021 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 22:42:22,022 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 22:42:22,139 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 22:42:22,140 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 22:42:22,141 INFO L202 PluginConnector]: Adding new model array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:42:22 BoogieIcfgContainer [2021-06-06 22:42:22,141 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 22:42:22,142 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 22:42:22,142 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 22:42:22,144 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 22:42:22,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 10:42:21" (1/2) ... [2021-06-06 22:42:22,144 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b328c59 and model type array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 10:42:22, skipping insertion in model container [2021-06-06 22:42:22,144 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 10:42:22" (2/2) ... [2021-06-06 22:42:22,145 INFO L111 eAbstractionObserver]: Analyzing ICFG array-sum.wvr.bpl [2021-06-06 22:42:22,149 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 22:42:22,149 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 22:42:22,149 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 22:42:22,150 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 22:42:22,175 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 22:42:22,190 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 22:42:22,280 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 22:42:22,280 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 22:42:22,280 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 22:42:22,280 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 22:42:22,280 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 22:42:22,280 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 22:42:22,280 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 22:42:22,281 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 22:42:22,323 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:22,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:22,329 INFO L82 PathProgramCache]: Analyzing trace with hash -705353622, now seen corresponding path program 1 times [2021-06-06 22:42:22,334 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:22,335 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [768688904] [2021-06-06 22:42:22,335 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:22,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:22,920 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:22,920 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:22,920 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [768688904] [2021-06-06 22:42:22,921 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [768688904] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:22,921 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1514945052] [2021-06-06 22:42:22,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:22,964 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-06 22:42:22,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:23,222 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 28 treesize of output 22 [2021-06-06 22:42:23,225 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:23,232 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:23,233 INFO L518 ElimStorePlain]: Eliminatee B vanished before elimination [2021-06-06 22:42:23,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:23,236 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:36, output treesize:7 [2021-06-06 22:42:23,274 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:23,275 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1514945052] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:23,276 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:23,276 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 13 [2021-06-06 22:42:23,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631308064] [2021-06-06 22:42:23,281 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 22:42:23,281 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:23,289 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 22:42:23,292 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-06-06 22:42:23,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:23,293 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:23,295 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 2.5714285714285716) internal successors, (36), 13 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:23,295 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:23,515 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:23,715 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-06-06 22:42:23,716 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:23,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:23,716 INFO L82 PathProgramCache]: Analyzing trace with hash 1401937193, now seen corresponding path program 2 times [2021-06-06 22:42:23,716 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:23,716 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [457756605] [2021-06-06 22:42:23,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:23,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:23,784 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:23,784 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:23,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [457756605] [2021-06-06 22:42:23,785 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [457756605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:23,785 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [736355035] [2021-06-06 22:42:23,786 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:23,828 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:42:23,828 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:23,829 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-06 22:42:23,830 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:23,929 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:23,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [736355035] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:23,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:23,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-06 22:42:23,930 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717681264] [2021-06-06 22:42:23,930 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-06 22:42:23,930 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:23,931 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-06 22:42:23,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-06 22:42:23,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:23,931 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:23,931 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.5) internal successors, (42), 12 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:23,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:23,931 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:24,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:24,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:24,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:24,349 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:24,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:24,349 INFO L82 PathProgramCache]: Analyzing trace with hash 1595922942, now seen corresponding path program 3 times [2021-06-06 22:42:24,350 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:24,350 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [174261433] [2021-06-06 22:42:24,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:24,830 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:24,830 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:24,830 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [174261433] [2021-06-06 22:42:24,830 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [174261433] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:24,831 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493379291] [2021-06-06 22:42:24,831 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:24,871 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 22:42:24,871 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:24,872 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2021-06-06 22:42:24,873 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:25,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:25,215 INFO L354 Elim1Store]: treesize reduction 38, result has 15.6 percent of original size [2021-06-06 22:42:25,216 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 6 new quantified variables, introduced 5 case distinctions, treesize of input 177 treesize of output 143 [2021-06-06 22:42:25,219 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:25,224 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:25,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:25,228 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:25,229 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:25,230 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:25,231 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 1 disjoint index pairs (out of 6 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 9 [2021-06-06 22:42:25,238 INFO L550 ElimStorePlain]: Start of recursive call 3: 2 dim-0 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-06-06 22:42:25,242 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:25,243 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:25,243 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:180, output treesize:3 [2021-06-06 22:42:25,274 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:25,274 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493379291] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:25,274 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:25,274 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13] total 25 [2021-06-06 22:42:25,274 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [205020779] [2021-06-06 22:42:25,275 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-06 22:42:25,275 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:25,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-06 22:42:25,277 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=574, Unknown=0, NotChecked=0, Total=650 [2021-06-06 22:42:25,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:25,277 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:25,277 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.076923076923077) internal successors, (54), 25 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:26,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:26,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:26,841 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:26,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:26,841 INFO L82 PathProgramCache]: Analyzing trace with hash 447333245, now seen corresponding path program 4 times [2021-06-06 22:42:26,842 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:26,842 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802061996] [2021-06-06 22:42:26,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:26,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 1 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:26,895 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:26,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802061996] [2021-06-06 22:42:26,895 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [802061996] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:26,895 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2124873178] [2021-06-06 22:42:26,895 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:26,930 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 22:42:26,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:26,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-06 22:42:26,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 5 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:27,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2124873178] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:27,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:27,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 15 [2021-06-06 22:42:27,058 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036690623] [2021-06-06 22:42:27,058 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 22:42:27,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:27,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 22:42:27,059 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2021-06-06 22:42:27,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:27,059 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:27,059 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.4) internal successors, (51), 15 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:27,059 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:27,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:27,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:27,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:27,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:27,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:27,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:27,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:27,469 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:27,469 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:27,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:27,469 INFO L82 PathProgramCache]: Analyzing trace with hash 666363626, now seen corresponding path program 5 times [2021-06-06 22:42:27,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:27,469 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019544875] [2021-06-06 22:42:27,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:27,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:28,069 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:28,069 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:28,069 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019544875] [2021-06-06 22:42:28,070 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019544875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:28,070 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [120768567] [2021-06-06 22:42:28,070 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:28,099 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-06 22:42:28,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:28,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 30 conjunts are in the unsatisfiable core [2021-06-06 22:42:28,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:28,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,828 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:28,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,829 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:28,830 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-06 22:42:28,832 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:28,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:28,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,843 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,845 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:28,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:28,846 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:28,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 3 [2021-06-06 22:42:28,847 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:28,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:28,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:28,854 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 5 variables, input treesize:63, output treesize:3 [2021-06-06 22:42:28,877 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:28,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [120768567] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:28,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:28,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17] total 33 [2021-06-06 22:42:28,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1447860304] [2021-06-06 22:42:28,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 34 states [2021-06-06 22:42:28,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:28,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 34 interpolants. [2021-06-06 22:42:28,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=1020, Unknown=0, NotChecked=0, Total=1122 [2021-06-06 22:42:28,878 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:28,878 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:28,878 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 34 states, 34 states have (on average 1.9411764705882353) internal successors, (66), 33 states have internal predecessors, (66), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:28,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:31,008 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-06-06 22:42:31,299 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 68 [2021-06-06 22:42:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:32,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 22:42:32,410 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:32,410 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:32,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:32,411 INFO L82 PathProgramCache]: Analyzing trace with hash -1627404866, now seen corresponding path program 6 times [2021-06-06 22:42:32,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:32,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119399955] [2021-06-06 22:42:32,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:32,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:33,369 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 1 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:33,369 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:33,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119399955] [2021-06-06 22:42:33,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119399955] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:33,369 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1518375201] [2021-06-06 22:42:33,369 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 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 [2021-06-06 22:42:33,399 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-06 22:42:33,400 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:33,400 WARN L261 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 43 conjunts are in the unsatisfiable core [2021-06-06 22:42:33,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:34,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,265 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:34,265 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 67 treesize of output 137 [2021-06-06 22:42:34,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 3 xjuncts. [2021-06-06 22:42:34,415 INFO L628 ElimStorePlain]: treesize reduction 109, result has 31.4 percent of original size [2021-06-06 22:42:34,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,421 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:34,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:34,422 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:34,423 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:34,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 13 [2021-06-06 22:42:34,425 INFO L550 ElimStorePlain]: Start of recursive call 3: 4 dim-0 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-06-06 22:42:34,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:34,433 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:34,433 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:76, output treesize:18 [2021-06-06 22:42:34,593 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:34,593 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1518375201] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:34,593 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:34,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 44 [2021-06-06 22:42:34,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1561848606] [2021-06-06 22:42:34,595 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-06-06 22:42:34,595 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:34,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-06-06 22:42:34,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=140, Invalid=1752, Unknown=0, NotChecked=0, Total=1892 [2021-06-06 22:42:34,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:34,596 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:34,596 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 1.8181818181818181) internal successors, (80), 44 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 22:42:34,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:37,966 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 70 [2021-06-06 22:42:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:38,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 22:42:38,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 22:42:39,005 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:39,006 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:39,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:39,006 INFO L82 PathProgramCache]: Analyzing trace with hash -2008270422, now seen corresponding path program 7 times [2021-06-06 22:42:39,006 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:39,006 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [692317757] [2021-06-06 22:42:39,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:39,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 9 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:40,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:40,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [692317757] [2021-06-06 22:42:40,105 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [692317757] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:40,105 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [70161881] [2021-06-06 22:42:40,105 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 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 [2021-06-06 22:42:40,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:40,136 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-06 22:42:40,137 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:41,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,121 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,124 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,130 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 83 treesize of output 55 [2021-06-06 22:42:41,131 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:41,137 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:41,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,142 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,146 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:41,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,150 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:41,151 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 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 3 [2021-06-06 22:42:41,151 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:41,155 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:41,157 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:41,157 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:89, output treesize:3 [2021-06-06 22:42:41,183 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:41,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [70161881] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:41,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:41,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 23] total 47 [2021-06-06 22:42:41,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197548551] [2021-06-06 22:42:41,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 22:42:41,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:41,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 22:42:41,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=186, Invalid=2070, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 22:42:41,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:41,185 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:41,185 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 1.875) internal successors, (90), 47 states have internal predecessors, (90), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:41,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:41,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:41,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:41,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:41,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 22:42:41,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 22:42:41,185 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:43,763 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 66 [2021-06-06 22:42:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 22:42:46,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 22:42:46,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 22:42:46,274 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:46,275 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:46,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:46,275 INFO L82 PathProgramCache]: Analyzing trace with hash -338202242, now seen corresponding path program 8 times [2021-06-06 22:42:46,275 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:46,275 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1053645611] [2021-06-06 22:42:46,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:47,727 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 12 proven. 90 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:47,727 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:47,727 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1053645611] [2021-06-06 22:42:47,727 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1053645611] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:47,728 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1821898489] [2021-06-06 22:42:47,728 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 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 [2021-06-06 22:42:47,760 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 22:42:47,760 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:47,761 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 57 conjunts are in the unsatisfiable core [2021-06-06 22:42:47,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:42:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,127 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,134 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,137 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,139 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,142 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 99 treesize of output 65 [2021-06-06 22:42:49,143 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:49,150 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:49,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,154 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,160 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,163 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,165 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:42:49,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,167 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:42:49,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 15 disjoint index pairs (out of 66 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 3 [2021-06-06 22:42:49,169 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 22:42:49,172 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:42:49,173 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 22:42:49,173 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:105, output treesize:3 [2021-06-06 22:42:49,203 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:49,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1821898489] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:49,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 22:42:49,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31, 27] total 54 [2021-06-06 22:42:49,204 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [415483425] [2021-06-06 22:42:49,204 INFO L462 AbstractCegarLoop]: Interpolant automaton has 55 states [2021-06-06 22:42:49,204 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 22:42:49,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2021-06-06 22:42:49,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=250, Invalid=2720, Unknown=0, NotChecked=0, Total=2970 [2021-06-06 22:42:49,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:49,205 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 22:42:49,205 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 55 states, 55 states have (on average 1.8363636363636364) internal successors, (101), 54 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 22:42:49,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:49,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:49,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:49,205 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 22:42:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 43 states. [2021-06-06 22:42:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-06-06 22:42:49,206 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 22:42:52,722 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 67 [2021-06-06 22:42:53,080 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 72 [2021-06-06 22:42:54,483 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 84 [2021-06-06 22:42:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-06 22:42:55,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 22:42:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-06-06 22:42:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 22:42:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 22:42:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2021-06-06 22:42:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-06-06 22:42:55,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-06-06 22:42:55,895 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:42:55,896 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 22:42:55,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 22:42:55,896 INFO L82 PathProgramCache]: Analyzing trace with hash -2000483222, now seen corresponding path program 9 times [2021-06-06 22:42:55,896 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 22:42:55,896 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845184288] [2021-06-06 22:42:55,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 22:42:55,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 22:42:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 30 proven. 110 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 22:42:57,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 22:42:57,527 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1845184288] [2021-06-06 22:42:57,527 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1845184288] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 22:42:57,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [458499015] [2021-06-06 22:42:57,528 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 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 [2021-06-06 22:42:57,565 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-06-06 22:42:57,565 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 22:42:57,566 WARN L261 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 66 conjunts are in the unsatisfiable core [2021-06-06 22:42:57,568 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 22:43:00,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,496 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:43:00,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:43:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,517 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-06 22:43:00,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 22:43:00,751 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-06-06 22:43:00,751 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 22:43:00,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 21 disjoint index pairs (out of 91 index pairs), introduced 11 new quantified variables, introduced 58 case distinctions, treesize of input 123 treesize of output 449 [2021-06-06 22:43:01,004 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 504 [2021-06-06 22:43:01,193 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 519 [2021-06-06 22:43:02,242 WARN L205 SmtUtils]: Spent 799.00 ms on a formula simplification. DAG size of input: 2360 DAG size of output: 1261 [2021-06-06 22:43:03,186 WARN L205 SmtUtils]: Spent 873.00 ms on a formula simplification. DAG size of input: 2381 DAG size of output: 1281 [2021-06-06 22:43:03,951 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 1174 DAG size of output: 1173 [2021-06-06 22:43:05,113 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 987 DAG size of output: 1039 [2021-06-06 22:43:06,125 WARN L205 SmtUtils]: Spent 998.00 ms on a formula simplification. DAG size of input: 983 DAG size of output: 1125 [2021-06-06 22:43:06,558 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 977 DAG size of output: 977 [2021-06-06 22:43:06,810 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 759 DAG size of output: 759 [2021-06-06 22:43:06,968 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-06-06 22:43:07,633 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 920 DAG size of output: 626 [2021-06-06 22:43:08,177 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 448 [2021-06-06 22:43:08,978 WARN L205 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 1543 DAG size of output: 1141 [2021-06-06 22:43:09,715 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 960 DAG size of output: 821 [2021-06-06 22:43:10,257 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 1216 DAG size of output: 1041 [2021-06-06 22:43:11,207 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 2303 DAG size of output: 1789 [2021-06-06 22:43:11,815 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 520 DAG size of output: 410 [2021-06-06 22:43:12,052 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 736 DAG size of output: 559 [2021-06-06 22:43:12,394 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 917 DAG size of output: 693 [2021-06-06 22:43:14,005 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification. DAG size of input: 2827 DAG size of output: 2154 [2021-06-06 22:43:14,215 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 489 DAG size of output: 539 [2021-06-06 22:43:14,388 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 454 [2021-06-06 22:43:15,607 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 1380 DAG size of output: 1057 [2021-06-06 22:43:16,553 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 1768 DAG size of output: 1356 [2021-06-06 22:43:17,315 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 1992 DAG size of output: 1562 [2021-06-06 22:43:18,339 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 2233 DAG size of output: 1766 [2021-06-06 22:43:21,445 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 4399 DAG size of output: 3324 [2021-06-06 22:43:25,605 WARN L205 SmtUtils]: Spent 4.14 s on a formula simplification. DAG size of input: 4796 DAG size of output: 3647 [2021-06-06 22:43:31,092 WARN L205 SmtUtils]: Spent 5.47 s on a formula simplification. DAG size of input: 5288 DAG size of output: 4063 [2021-06-06 22:43:31,364 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 522 [2021-06-06 22:43:31,555 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 448 DAG size of output: 500 [2021-06-06 22:43:31,695 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 372 [2021-06-06 22:43:31,818 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 384 [2021-06-06 22:43:32,526 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 817 DAG size of output: 667 [2021-06-06 22:43:32,771 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 975 DAG size of output: 800 [2021-06-06 22:43:33,126 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 942 [2021-06-06 22:43:33,627 WARN L205 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 1271 DAG size of output: 1052 [2021-06-06 22:43:34,321 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 1511 DAG size of output: 1227 [2021-06-06 22:43:35,298 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification. DAG size of input: 1771 DAG size of output: 1489 [2021-06-06 22:43:42,805 WARN L205 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 6288 DAG size of output: 4921 [2021-06-06 22:43:50,328 WARN L205 SmtUtils]: Spent 7.49 s on a formula simplification. DAG size of input: 6288 DAG size of output: 4921 [2021-06-06 22:43:58,327 WARN L205 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 6291 DAG size of output: 4924 [2021-06-06 22:44:05,747 WARN L205 SmtUtils]: Spent 7.39 s on a formula simplification. DAG size of input: 4604 DAG size of output: 4618 [2021-06-06 22:44:06,443 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 1133 DAG size of output: 1143 [2021-06-06 22:44:06,638 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 352 [2021-06-06 22:44:07,306 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 295 [2021-06-06 22:44:07,500 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 339 [2021-06-06 22:44:07,624 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 275 DAG size of output: 284 [2021-06-06 22:44:07,760 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 272 [2021-06-06 22:44:07,880 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 307 [2021-06-06 22:44:08,282 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 748 DAG size of output: 589 [2021-06-06 22:44:08,540 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 896 DAG size of output: 725 [2021-06-06 22:44:09,054 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 1117 DAG size of output: 930 [2021-06-06 22:44:09,764 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 1255 DAG size of output: 1048 [2021-06-06 22:44:10,255 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 985 DAG size of output: 995 [2021-06-06 22:44:10,884 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 664 [2021-06-06 22:44:11,061 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 778 [2021-06-06 22:44:11,321 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 934 DAG size of output: 928 [2021-06-06 22:44:11,879 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 592 [2021-06-06 22:44:12,044 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 661 DAG size of output: 647 [2021-06-06 22:44:12,267 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 718 [2021-06-06 22:44:12,810 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification. DAG size of input: 1242 DAG size of output: 1220 [2021-06-06 22:44:13,159 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 888 DAG size of output: 898 [2021-06-06 22:44:13,404 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 750 DAG size of output: 760 [2021-06-06 22:44:13,559 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 651 [2021-06-06 22:44:14,137 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 1024 DAG size of output: 942 [2021-06-06 22:44:14,565 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 511 [2021-06-06 22:44:14,705 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 599 [2021-06-06 22:44:14,934 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 740 [2021-06-06 22:44:15,349 WARN L205 SmtUtils]: Spent 410.00 ms on a formula simplification. DAG size of input: 1645 DAG size of output: 1492 [2021-06-06 22:44:15,941 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 570 [2021-06-06 22:44:16,118 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 856 DAG size of output: 698 [2021-06-06 22:44:16,857 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 2159 DAG size of output: 1932 [2021-06-06 22:44:17,615 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 629 [2021-06-06 22:44:17,793 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 713 [2021-06-06 22:44:18,058 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 942 DAG size of output: 840 [2021-06-06 22:44:19,264 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 2739 DAG size of output: 2397 [2021-06-06 22:44:21,345 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 3465 DAG size of output: 3108 [2021-06-06 22:44:24,687 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 4341 DAG size of output: 3827 [2021-06-06 22:44:24,956 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 405 [2021-06-06 22:44:25,096 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 443 [2021-06-06 22:44:25,991 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 508 [2021-06-06 22:44:26,246 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 850 DAG size of output: 832 [2021-06-06 22:44:26,598 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 959 DAG size of output: 943 [2021-06-06 22:44:27,110 WARN L205 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 1151 DAG size of output: 1128 [2021-06-06 22:44:27,858 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 1350 DAG size of output: 1326 [2021-06-06 22:44:33,186 WARN L205 SmtUtils]: Spent 5.30 s on a formula simplification. DAG size of input: 3779 DAG size of output: 3802 [2021-06-06 22:44:34,321 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 887 DAG size of output: 988 [2021-06-06 22:44:35,389 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 884 DAG size of output: 1025 [2021-06-06 22:44:36,406 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 880 DAG size of output: 964 [2021-06-06 22:44:36,820 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 873 [2021-06-06 22:44:37,047 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 655 DAG size of output: 655 [2021-06-06 22:44:37,421 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 611 [2021-06-06 22:44:37,762 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 624 [2021-06-06 22:44:38,148 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 727 DAG size of output: 639 [2021-06-06 22:44:38,991 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 1626 DAG size of output: 1480 [2021-06-06 22:44:39,930 WARN L205 SmtUtils]: Spent 930.00 ms on a formula simplification. DAG size of input: 1923 DAG size of output: 1780 [2021-06-06 22:44:40,614 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 594 [2021-06-06 22:44:40,837 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 737 [2021-06-06 22:44:42,302 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 2338 DAG size of output: 2154 [2021-06-06 22:44:42,527 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 499 [2021-06-06 22:44:42,707 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 452 [2021-06-06 22:44:43,957 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 1409 DAG size of output: 1403 [2021-06-06 22:44:44,355 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 1737 DAG size of output: 1732 [2021-06-06 22:44:44,956 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 1943 DAG size of output: 1943 [2021-06-06 22:44:45,837 WARN L205 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 2212 DAG size of output: 2219 [2021-06-06 22:44:48,577 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 3933 DAG size of output: 3746 [2021-06-06 22:44:52,310 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 4418 DAG size of output: 4224 [2021-06-06 22:44:57,287 WARN L205 SmtUtils]: Spent 4.95 s on a formula simplification. DAG size of input: 4843 DAG size of output: 4655 [2021-06-06 22:45:03,806 WARN L205 SmtUtils]: Spent 6.49 s on a formula simplification. DAG size of input: 5431 DAG size of output: 5248 [2021-06-06 22:45:07,911 WARN L205 SmtUtils]: Spent 4.06 s on a formula simplification. DAG size of input: 3395 DAG size of output: 3418 [2021-06-06 22:45:08,289 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 770 [2021-06-06 22:45:08,493 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 438 [2021-06-06 22:45:08,692 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 420 [2021-06-06 22:45:08,872 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 408 [2021-06-06 22:45:09,069 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 426 [2021-06-06 22:45:09,907 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 1371 DAG size of output: 1135 [2021-06-06 22:45:10,465 WARN L205 SmtUtils]: Spent 550.00 ms on a formula simplification. DAG size of input: 1560 DAG size of output: 1322 [2021-06-06 22:45:11,243 WARN L205 SmtUtils]: Spent 769.00 ms on a formula simplification. DAG size of input: 1762 DAG size of output: 1499 [2021-06-06 22:45:12,264 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1953 DAG size of output: 1653 [2021-06-06 22:45:12,819 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 636 DAG size of output: 723 [2021-06-06 22:45:13,372 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 692 [2021-06-06 22:45:13,859 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 691 [2021-06-06 22:45:14,058 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 622 [2021-06-06 22:45:14,553 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 503 DAG size of output: 503 [2021-06-06 22:45:15,252 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 694 [2021-06-06 22:45:15,859 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 912 DAG size of output: 828 [2021-06-06 22:45:16,175 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 1496 DAG size of output: 1241 [2021-06-06 22:45:16,702 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 1795 DAG size of output: 1504 [2021-06-06 22:45:17,589 WARN L205 SmtUtils]: Spent 879.00 ms on a formula simplification. DAG size of input: 2135 DAG size of output: 1836 [2021-06-06 22:45:18,894 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 2487 DAG size of output: 2161 [2021-06-06 22:45:20,718 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 2861 DAG size of output: 2476 [2021-06-06 22:45:24,147 WARN L205 SmtUtils]: Spent 3.41 s on a formula simplification. DAG size of input: 3950 DAG size of output: 3403 [2021-06-06 22:45:27,197 WARN L205 SmtUtils]: Spent 3.02 s on a formula simplification. DAG size of input: 3095 DAG size of output: 3118 [2021-06-06 22:45:27,410 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 437 DAG size of output: 452 [2021-06-06 22:45:27,606 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 442 [2021-06-06 22:45:28,137 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 373 [2021-06-06 22:45:28,711 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 1141 DAG size of output: 944 [2021-06-06 22:45:29,065 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 1503 DAG size of output: 1215 [2021-06-06 22:45:29,604 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 1720 DAG size of output: 1410 [2021-06-06 22:45:30,361 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 1946 DAG size of output: 1608 [2021-06-06 22:45:31,927 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification. DAG size of input: 1999 DAG size of output: 2022 [2021-06-06 22:45:32,241 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 646 [2021-06-06 22:45:32,633 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 314 [2021-06-06 22:45:33,179 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 808 DAG size of output: 702 [2021-06-06 22:45:33,390 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 526 [2021-06-06 22:45:33,949 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 755 DAG size of output: 643 [2021-06-06 22:45:34,098 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 323 [2021-06-06 22:45:34,730 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 586 DAG size of output: 521 [2021-06-06 22:45:35,004 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 686 DAG size of output: 621 [2021-06-06 22:45:35,436 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 1245 DAG size of output: 1074 [2021-06-06 22:45:36,241 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 1821 DAG size of output: 1582 [2021-06-06 22:45:37,208 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 1676 DAG size of output: 1699 [2021-06-06 22:45:37,694 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification. DAG size of input: 1070 DAG size of output: 1079 [2021-06-06 22:45:37,861 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 590 [2021-06-06 22:45:39,186 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 639 [2021-06-06 22:45:39,857 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 1876 DAG size of output: 1461 [2021-06-06 22:45:39,988 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 435 [2021-06-06 22:45:40,886 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 1069 DAG size of output: 846 [2021-06-06 22:45:41,096 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 511 DAG size of output: 595 [2021-06-06 22:45:41,779 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 1441 DAG size of output: 1226 [2021-06-06 22:45:43,051 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 3489 DAG size of output: 2834 [2021-06-06 22:45:43,182 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 437 [2021-06-06 22:45:43,521 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 610 [2021-06-06 22:45:43,710 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 774 DAG size of output: 796 [2021-06-06 22:45:44,592 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 807 [2021-06-06 22:45:45,363 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1172 DAG size of output: 1057 [2021-06-06 22:45:45,787 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 2312 DAG size of output: 2121 [2021-06-06 22:45:48,214 WARN L205 SmtUtils]: Spent 2.41 s on a formula simplification. DAG size of input: 5380 DAG size of output: 4588 [2021-06-06 22:45:52,104 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification. DAG size of input: 6560 DAG size of output: 5607 [2021-06-06 22:45:52,894 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 1460 DAG size of output: 1472 [2021-06-06 22:45:53,079 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 455 [2021-06-06 22:45:53,257 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 415 [2021-06-06 22:45:53,397 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 462 [2021-06-06 22:45:53,503 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 361 [2021-06-06 22:45:53,775 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 1033 DAG size of output: 954 [2021-06-06 22:45:54,006 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 1170 [2021-06-06 22:45:54,401 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 1537 DAG size of output: 1420 [2021-06-06 22:45:54,982 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification. DAG size of input: 1760 DAG size of output: 1620 [2021-06-06 22:45:56,133 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 740 [2021-06-06 22:45:56,377 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 937 [2021-06-06 22:46:00,484 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 5488 DAG size of output: 4816 [2021-06-06 22:46:09,102 WARN L205 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 12029 DAG size of output: 10150 [2021-06-06 22:46:23,157 WARN L205 SmtUtils]: Spent 13.99 s on a formula simplification. DAG size of input: 14632 DAG size of output: 12328 [2021-06-06 22:46:46,425 WARN L205 SmtUtils]: Spent 23.19 s on a formula simplification. DAG size of input: 18631 DAG size of output: 16196 [2021-06-06 22:47:18,817 WARN L205 SmtUtils]: Spent 32.29 s on a formula simplification. DAG size of input: 22163 DAG size of output: 19324 [2021-06-06 22:47:51,190 WARN L205 SmtUtils]: Spent 32.26 s on a formula simplification. DAG size of input: 22163 DAG size of output: 19324 [2021-06-06 22:48:25,359 WARN L205 SmtUtils]: Spent 33.92 s on a formula simplification. DAG size of input: 22166 DAG size of output: 19327 [2021-06-06 22:49:36,044 WARN L205 SmtUtils]: Spent 1.18 m on a formula simplification. DAG size of input: 18789 DAG size of output: 20664 [2021-06-06 22:49:36,821 WARN L205 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 1000 DAG size of output: 1008 [2021-06-06 22:49:37,273 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 888 DAG size of output: 896 [2021-06-06 22:49:37,395 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 279 [2021-06-06 22:49:38,020 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 713 DAG size of output: 659 [2021-06-06 22:49:38,326 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 825 DAG size of output: 745 [2021-06-06 22:49:38,916 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 914 [2021-06-06 22:49:39,399 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 713 [2021-06-06 22:49:39,518 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 284 [2021-06-06 22:49:39,828 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 514 [2021-06-06 22:49:40,013 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 421 [2021-06-06 22:49:40,214 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 509 DAG size of output: 488 [2021-06-06 22:49:40,648 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 1143 DAG size of output: 1019 [2021-06-06 22:49:41,709 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 2076 DAG size of output: 1800 [2021-06-06 22:49:42,768 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 585 DAG size of output: 567 [2021-06-06 22:49:42,973 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 625 [2021-06-06 22:49:43,295 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 780 DAG size of output: 751 [2021-06-06 22:49:43,777 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 431 [2021-06-06 22:49:43,902 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 472 [2021-06-06 22:49:44,065 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 528 [2021-06-06 22:49:44,647 WARN L205 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1130 [2021-06-06 22:49:46,582 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 2841 DAG size of output: 2528 [2021-06-06 22:49:47,253 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 605 DAG size of output: 601 [2021-06-06 22:49:48,024 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 399 [2021-06-06 22:49:49,537 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 794 DAG size of output: 723 [2021-06-06 22:49:49,977 WARN L205 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 725 [2021-06-06 22:49:51,166 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 1819 DAG size of output: 1568 [2021-06-06 22:49:51,975 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 500 [2021-06-06 22:49:53,540 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 521 [2021-06-06 22:49:54,319 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 798 DAG size of output: 665 [2021-06-06 22:49:54,556 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 873 DAG size of output: 743 [2021-06-06 22:49:54,760 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 425 [2021-06-06 22:49:54,905 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 355 [2021-06-06 22:49:55,046 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 360 [2021-06-06 22:49:55,164 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 373 [2021-06-06 22:49:55,765 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 717 DAG size of output: 691 [2021-06-06 22:49:56,004 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 862 DAG size of output: 829 [2021-06-06 22:49:56,376 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 869 DAG size of output: 836 [2021-06-06 22:49:56,886 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 966 DAG size of output: 927 [2021-06-06 22:49:57,638 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 1165 DAG size of output: 1102 [2021-06-06 22:49:57,783 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 363 [2021-06-06 22:49:58,493 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 670 [2021-06-06 22:49:58,691 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 881 [2021-06-06 22:49:59,015 WARN L205 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 1098 DAG size of output: 1025 [2021-06-06 22:50:00,070 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 360 DAG size of output: 466 [2021-06-06 22:50:00,566 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 407 [2021-06-06 22:50:01,280 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1183 DAG size of output: 1058 [2021-06-06 22:50:52,690 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-06-06 22:50:52,892 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 22:50:52,892 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Size of result too large: 3582191748 xjuncts at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:652) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildCorrespondingFiniteJunctionForAntiDer(DualJunctionTir.java:615) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildBoundConstraint(DualJunctionTir.java:451) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateConjuncts(DualJunctionTir.java:205) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminateOne(DualJunctionTir.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryExhaustivelyToEliminate(DualJunctionTir.java:125) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir.tryToEliminate(DualJunctionTir.java:112) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToEliminateOne(QuantifierPusher.java:869) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyNewEliminationTechniquesExhaustively(QuantifierPusher.java:835) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.applyDualJunctionEliminationTechniques(QuantifierPusher.java:753) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:384) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:465) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:405) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:405) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:405) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:465) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:465) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:465) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:465) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:160) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.doit(QuantifierPusher.java:609) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective2(QuantifierPusher.java:405) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:316) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.convert(QuantifierPusher.java:227) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.cacheConvert(TermTransformer.java:131) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$Convert.walk(TermTransformer.java:79) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:272) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:144) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.eliminate(QuantifierPusher.java:166) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.applyNonSddEliminations(ElimStorePlain.java:714) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimOneRec(ElimStorePlain.java:299) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.eliminateOne(ElimStorePlain.java:607) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.doElimAllRec(ElimStorePlain.java:520) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.arrays.ElimStorePlain.startRecursiveElimination(ElimStorePlain.java:242) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:307) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:100) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:246) 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:643) 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:364) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-06-06 22:50:52,897 INFO L168 Benchmark]: Toolchain (without parser) took 510957.32 ms. Allocated memory was 406.8 MB in the beginning and 7.5 GB in the end (delta: 7.1 GB). Free memory was 385.8 MB in the beginning and 5.8 GB in the end (delta: -5.4 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. [2021-06-06 22:50:52,898 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 406.8 MB. Free memory was 386.9 MB in the beginning and 386.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:50:52,898 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.42 ms. Allocated memory is still 406.8 MB. Free memory was 385.7 MB in the beginning and 384.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:50:52,898 INFO L168 Benchmark]: Boogie Preprocessor took 10.77 ms. Allocated memory is still 406.8 MB. Free memory was 384.2 MB in the beginning and 383.2 MB in the end (delta: 990.7 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-06 22:50:52,898 INFO L168 Benchmark]: RCFGBuilder took 170.47 ms. Allocated memory is still 406.8 MB. Free memory was 383.1 MB in the beginning and 371.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-06 22:50:52,898 INFO L168 Benchmark]: TraceAbstraction took 510755.31 ms. Allocated memory was 406.8 MB in the beginning and 7.5 GB in the end (delta: 7.1 GB). Free memory was 371.0 MB in the beginning and 5.8 GB in the end (delta: -5.4 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. [2021-06-06 22:50:52,898 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 406.8 MB. Free memory was 386.9 MB in the beginning and 386.8 MB in the end (delta: 70.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 17.42 ms. Allocated memory is still 406.8 MB. Free memory was 385.7 MB in the beginning and 384.2 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 10.77 ms. Allocated memory is still 406.8 MB. Free memory was 384.2 MB in the beginning and 383.2 MB in the end (delta: 990.7 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 170.47 ms. Allocated memory is still 406.8 MB. Free memory was 383.1 MB in the beginning and 371.5 MB in the end (delta: 11.6 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 510755.31 ms. Allocated memory was 406.8 MB in the beginning and 7.5 GB in the end (delta: 7.1 GB). Free memory was 371.0 MB in the beginning and 5.8 GB in the end (delta: -5.4 GB). Peak memory consumption was 3.6 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Size of result too large: 3582191748 xjuncts de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Size of result too large: 3582191748 xjuncts: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.DualJunctionTir$ExplicitLhsPolynomialRelations.buildDualFiniteJunction(DualJunctionTir.java:652) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...