/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 23:15:33,268 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 23:15:33,271 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 23:15:33,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 23:15:33,376 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 23:15:33,377 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 23:15:33,378 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 23:15:33,390 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-None-NoLbe.epf [2021-07-13 23:15:33,425 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 23:15:33,425 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 23:15:33,426 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 23:15:33,426 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 23:15:33,428 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 23:15:33,428 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 23:15:33,428 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 23:15:33,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 23:15:33,429 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 23:15:33,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 23:15:33,430 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 23:15:33,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 23:15:33,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 23:15:33,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 23:15:33,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 23:15:33,430 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 23:15:33,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 23:15:33,431 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 23:15:33,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 23:15:33,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 23:15:33,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 23:15:33,431 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 23:15:33,432 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 23:15:33,432 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:15:33,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 23:15:33,432 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 23:15:33,432 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 23:15:33,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 23:15:33,433 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 23:15:33,433 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 23:15:33,433 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 23:15:33,433 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 23:15:33,434 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 23:15:33,759 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 23:15:33,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 23:15:33,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 23:15:33,782 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 23:15:33,783 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 23:15:33,784 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl [2021-07-13 23:15:33,784 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/max-array.wvr.bpl' [2021-07-13 23:15:33,807 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 23:15:33,809 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 23:15:33,810 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 23:15:33,810 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 23:15:33,810 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 23:15:33,820 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,828 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,834 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 23:15:33,836 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 23:15:33,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 23:15:33,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 23:15:33,843 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,844 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,849 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,853 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,854 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... [2021-07-13 23:15:33,858 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 23:15:33,860 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 23:15:33,860 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 23:15:33,861 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 23:15:33,862 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:15:33,923 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 23:15:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 23:15:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 23:15:33,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 23:15:33,924 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 23:15:33,924 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 23:15:33,924 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 23:15:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 23:15:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 23:15:33,925 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-13 23:15:33,925 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-13 23:15:33,925 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-13 23:15:33,926 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 23:15:34,096 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 23:15:34,097 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-13 23:15:34,099 INFO L202 PluginConnector]: Adding new model max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:15:34 BoogieIcfgContainer [2021-07-13 23:15:34,099 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 23:15:34,100 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 23:15:34,100 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 23:15:34,103 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 23:15:34,103 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:15:33" (1/2) ... [2021-07-13 23:15:34,104 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2332318a and model type max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:15:34, skipping insertion in model container [2021-07-13 23:15:34,104 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "max-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:15:34" (2/2) ... [2021-07-13 23:15:34,105 INFO L111 eAbstractionObserver]: Analyzing ICFG max-array.wvr.bpl [2021-07-13 23:15:34,126 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 23:15:34,127 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 23:15:34,127 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 23:15:34,128 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 23:15:34,176 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-13 23:15:34,225 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 23:15:34,284 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 23:15:34,284 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 23:15:34,284 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 23:15:34,284 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 23:15:34,285 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 23:15:34,285 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 23:15:34,286 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 23:15:34,286 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 23:15:34,301 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-07-13 23:15:34,334 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:15:34,356 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:15:34,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:15:34,368 INFO L82 PathProgramCache]: Analyzing trace with hash -14689673, now seen corresponding path program 1 times [2021-07-13 23:15:34,375 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:15:34,375 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [64446611] [2021-07-13 23:15:34,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:15:34,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:15:34,637 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:15:34,638 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:15:34,638 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [64446611] [2021-07-13 23:15:34,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [64446611] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:34,639 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147737072] [2021-07-13 23:15:34,639 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:15:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:15:34,683 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 23:15:34,687 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:15:34,835 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:15:34,836 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147737072] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:34,836 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:15:34,836 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-13 23:15:34,837 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1563178330] [2021-07-13 23:15:34,840 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 23:15:34,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:15:34,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 23:15:34,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-13 23:15:34,856 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:34,858 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:15:34,858 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:15:34,858 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:34,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:15:35,206 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-13 23:15:35,207 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:15:35,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:15:35,208 INFO L82 PathProgramCache]: Analyzing trace with hash -2096237483, now seen corresponding path program 2 times [2021-07-13 23:15:35,208 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:15:35,208 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [430354923] [2021-07-13 23:15:35,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:15:35,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:15:35,949 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 41 [2021-07-13 23:15:36,100 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2021-07-13 23:15:36,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:15:36,158 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:15:36,158 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [430354923] [2021-07-13 23:15:36,159 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [430354923] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:36,159 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [523907620] [2021-07-13 23:15:36,160 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 [2021-07-13 23:15:36,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:15:36,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:15:36,210 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 24 conjunts are in the unsatisfiable core [2021-07-13 23:15:36,212 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:15:37,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:37,581 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-07-13 23:15:37,581 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 21 [2021-07-13 23:15:37,584 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:37,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:37,605 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:15:37,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 16 treesize of output 26 [2021-07-13 23:15:37,613 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:37,770 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-07-13 23:15:37,770 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:15:37,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:37,802 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-13 23:15:37,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2021-07-13 23:15:37,806 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:37,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:37,837 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-13 23:15:37,838 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 28 [2021-07-13 23:15:37,840 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:37,987 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 66 [2021-07-13 23:15:37,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:15:37,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:38,014 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:15:38,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 32 [2021-07-13 23:15:38,029 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:38,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:38,051 INFO L354 Elim1Store]: treesize reduction 8, result has 52.9 percent of original size [2021-07-13 23:15:38,051 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 30 treesize of output 24 [2021-07-13 23:15:38,054 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:38,184 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 59 [2021-07-13 23:15:38,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:15:38,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:38,226 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-13 23:15:38,226 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 21 treesize of output 25 [2021-07-13 23:15:38,246 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:38,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:15:38,287 INFO L354 Elim1Store]: treesize reduction 4, result has 76.5 percent of original size [2021-07-13 23:15:38,288 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 26 treesize of output 28 [2021-07-13 23:15:38,291 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 23:15:38,408 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification that was a NOOP. DAG size: 52 [2021-07-13 23:15:38,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:15:38,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 4 dim-1 vars, End of recursive call: and 8 xjuncts. [2021-07-13 23:15:38,467 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 9 variables, input treesize:329, output treesize:217 [2021-07-13 23:15:38,631 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 29 [2021-07-13 23:15:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:15:38,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [523907620] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:38,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:15:38,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-07-13 23:15:38,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461136024] [2021-07-13 23:15:38,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-13 23:15:38,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:15:38,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-13 23:15:38,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=323, Unknown=0, NotChecked=0, Total=380 [2021-07-13 23:15:38,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:38,698 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:15:38,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.5) internal successors, (50), 20 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:15:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:15:38,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:39,684 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 55 [2021-07-13 23:15:39,858 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 45 [2021-07-13 23:15:40,108 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 57 [2021-07-13 23:15:40,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:15:40,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:15:40,420 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:15:40,421 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:15:40,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:15:40,421 INFO L82 PathProgramCache]: Analyzing trace with hash 223283601, now seen corresponding path program 3 times [2021-07-13 23:15:40,421 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:15:40,422 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746765913] [2021-07-13 23:15:40,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:15:40,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:15:40,502 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:15:40,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:15:40,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746765913] [2021-07-13 23:15:40,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746765913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:40,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1018964866] [2021-07-13 23:15:40,503 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 [2021-07-13 23:15:40,536 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 23:15:40,537 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:15:40,537 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 23:15:40,539 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:15:40,736 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:15:40,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1018964866] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:40,737 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:15:40,737 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-13 23:15:40,737 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1919198733] [2021-07-13 23:15:40,737 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:15:40,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:15:40,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:15:40,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:15:40,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:40,738 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:15:40,738 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:15:40,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:15:40,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:15:40,739 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:15:40,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:15:40,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:15:41,147 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable64,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:15:41,147 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:15:41,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:15:41,148 INFO L82 PathProgramCache]: Analyzing trace with hash -2081674347, now seen corresponding path program 4 times [2021-07-13 23:15:41,148 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:15:41,148 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1141247989] [2021-07-13 23:15:41,148 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:15:41,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:15:41,249 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:15:41,249 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:15:41,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1141247989] [2021-07-13 23:15:41,249 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1141247989] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:41,249 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188263216] [2021-07-13 23:15:41,249 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 [2021-07-13 23:15:41,281 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 23:15:41,281 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:15:41,282 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 23:15:41,283 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:15:41,441 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 23:15:41,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188263216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:41,442 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:15:41,442 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-07-13 23:15:41,442 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [926448245] [2021-07-13 23:15:41,442 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:15:41,442 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:15:41,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:15:41,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:15:41,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:41,443 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:15:41,443 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) internal successors, (54), 18 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) [2021-07-13 23:15:41,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:15:41,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:15:41,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:15:41,444 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:15:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:15:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:15:41,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:15:41,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:15:41,851 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable65 [2021-07-13 23:15:41,851 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:15:41,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:15:41,852 INFO L82 PathProgramCache]: Analyzing trace with hash -2089053423, now seen corresponding path program 5 times [2021-07-13 23:15:41,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:15:41,852 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [850595648] [2021-07-13 23:15:41,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:15:41,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:15:43,294 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 66 [2021-07-13 23:15:43,401 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 139 [2021-07-13 23:15:43,814 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 93 [2021-07-13 23:15:44,049 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 179 [2021-07-13 23:15:44,750 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 126 [2021-07-13 23:15:44,919 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 186 [2021-07-13 23:15:45,878 WARN L205 SmtUtils]: Spent 907.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 132 [2021-07-13 23:15:46,047 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 194 [2021-07-13 23:15:46,845 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 194 DAG size of output: 154 [2021-07-13 23:15:46,994 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 191 [2021-07-13 23:15:47,772 WARN L205 SmtUtils]: Spent 705.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 151 [2021-07-13 23:15:47,887 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 168 [2021-07-13 23:15:48,475 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 106 [2021-07-13 23:15:48,966 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 83 [2021-07-13 23:15:49,175 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 60 [2021-07-13 23:15:49,386 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:15:49,387 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:15:49,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [850595648] [2021-07-13 23:15:49,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [850595648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:15:49,387 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [339079056] [2021-07-13 23:15:49,387 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 [2021-07-13 23:15:49,454 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 23:15:49,454 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:15:49,457 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 57 conjunts are in the unsatisfiable core [2021-07-13 23:15:49,459 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:15:50,244 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-13 23:15:54,276 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification that was a NOOP. DAG size: 169 [2021-07-13 23:15:58,884 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification that was a NOOP. DAG size: 671 [2021-07-13 23:16:03,744 WARN L205 SmtUtils]: Spent 3.17 s on a formula simplification that was a NOOP. DAG size: 680 [2021-07-13 23:16:08,613 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification that was a NOOP. DAG size: 681 [2021-07-13 23:16:13,609 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 683 [2021-07-13 23:16:18,231 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification that was a NOOP. DAG size: 684 [2021-07-13 23:16:22,391 WARN L205 SmtUtils]: Spent 2.83 s on a formula simplification that was a NOOP. DAG size: 683 [2021-07-13 23:16:26,507 WARN L205 SmtUtils]: Spent 2.80 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-13 23:16:29,890 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 667 [2021-07-13 23:16:32,375 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:16:32,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:16:32,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-07-13 23:16:32,453 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:16:32,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:16:32,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:32,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 25 [2021-07-13 23:16:32,560 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-13 23:16:53,300 WARN L205 SmtUtils]: Spent 20.74 s on a formula simplification. DAG size of input: 1717 DAG size of output: 1416 [2021-07-13 23:16:53,302 INFO L628 ElimStorePlain]: treesize reduction 4651, result has 44.7 percent of original size [2021-07-13 23:16:53,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:53,366 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:16:53,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:53,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:53,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:53,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:53,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:16:53,376 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-13 23:16:59,063 WARN L205 SmtUtils]: Spent 5.69 s on a formula simplification that was a NOOP. DAG size: 1401 [2021-07-13 23:16:59,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:16:59,122 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:16:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:59,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:59,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:59,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:16:59,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:16:59,136 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:04,736 WARN L205 SmtUtils]: Spent 5.60 s on a formula simplification that was a NOOP. DAG size: 1386 [2021-07-13 23:17:04,737 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:04,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:04,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:04,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:04,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:04,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:17:04,816 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:10,376 WARN L205 SmtUtils]: Spent 5.56 s on a formula simplification that was a NOOP. DAG size: 1372 [2021-07-13 23:17:10,377 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:10,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:10,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:10,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:10,439 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:17:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:10,446 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-13 23:17:10,448 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:15,849 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification that was a NOOP. DAG size: 1357 [2021-07-13 23:17:15,850 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:15,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:15,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:15,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:15,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:15,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:15,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:17:15,916 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:21,287 WARN L205 SmtUtils]: Spent 5.37 s on a formula simplification that was a NOOP. DAG size: 1342 [2021-07-13 23:17:21,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:21,342 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:17:21,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:21,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:21,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:21,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:21,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:21,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:17:21,359 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:26,533 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification that was a NOOP. DAG size: 1326 [2021-07-13 23:17:26,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:26,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:17:26,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:26,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:26,591 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:26,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:26,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:26,597 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-13 23:17:26,599 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:31,671 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification that was a NOOP. DAG size: 1310 [2021-07-13 23:17:31,671 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:31,722 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:17:31,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:31,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:31,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:31,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:31,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:31,733 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:17:31,735 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:36,874 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification that was a NOOP. DAG size: 1295 [2021-07-13 23:17:36,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:36,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:36,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:36,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:36,947 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:17:36,949 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:41,891 WARN L205 SmtUtils]: Spent 4.94 s on a formula simplification that was a NOOP. DAG size: 1280 [2021-07-13 23:17:41,892 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:41,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:41,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:41,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:41,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:41,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:41,960 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:17:41,961 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:46,757 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification that was a NOOP. DAG size: 1265 [2021-07-13 23:17:46,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:46,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:46,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:46,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:46,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:46,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:46,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:17:46,839 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:51,465 WARN L205 SmtUtils]: Spent 4.62 s on a formula simplification that was a NOOP. DAG size: 1250 [2021-07-13 23:17:51,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:51,516 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:17:51,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:51,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:51,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:51,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:51,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:51,527 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:17:51,529 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-13 23:17:56,072 WARN L205 SmtUtils]: Spent 4.54 s on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-13 23:17:56,073 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:17:56,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:56,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:56,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:56,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:56,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:17:56,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-13 23:17:56,137 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:00,604 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification that was a NOOP. DAG size: 1220 [2021-07-13 23:18:00,605 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:00,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:00,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:00,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:00,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:00,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:00,665 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:05,121 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification that was a NOOP. DAG size: 1205 [2021-07-13 23:18:05,122 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:05,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:05,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:05,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:05,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:05,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:05,179 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-13 23:18:05,181 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:09,345 WARN L205 SmtUtils]: Spent 4.16 s on a formula simplification that was a NOOP. DAG size: 1190 [2021-07-13 23:18:09,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:09,391 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:18:09,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:09,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:09,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:09,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:09,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:09,401 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:18:09,403 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:13,557 WARN L205 SmtUtils]: Spent 4.15 s on a formula simplification that was a NOOP. DAG size: 1174 [2021-07-13 23:18:13,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:13,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:13,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:13,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:13,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:13,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:13,613 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:13,615 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:17,535 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification that was a NOOP. DAG size: 1159 [2021-07-13 23:18:17,536 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:17,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:17,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:17,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:17,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:17,586 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:18:17,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:17,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:18:17,591 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:21,486 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification that was a NOOP. DAG size: 1143 [2021-07-13 23:18:21,487 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:21,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:21,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:21,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:21,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:21,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:21,541 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:21,543 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:25,236 WARN L205 SmtUtils]: Spent 3.69 s on a formula simplification that was a NOOP. DAG size: 1128 [2021-07-13 23:18:25,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:25,237 INFO L518 ElimStorePlain]: Eliminatee v_prenex_155 vanished before elimination [2021-07-13 23:18:25,280 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:18:25,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:25,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:25,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:25,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:25,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:25,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:18:25,291 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:29,030 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification that was a NOOP. DAG size: 1112 [2021-07-13 23:18:29,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:29,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:29,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:29,076 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:29,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:29,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:29,080 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:29,081 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:32,565 WARN L205 SmtUtils]: Spent 3.48 s on a formula simplification that was a NOOP. DAG size: 1098 [2021-07-13 23:18:32,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:32,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:32,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:32,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:32,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:32,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:32,622 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-13 23:18:32,624 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:35,771 WARN L205 SmtUtils]: Spent 3.15 s on a formula simplification that was a NOOP. DAG size: 1084 [2021-07-13 23:18:35,772 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:35,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:18:35,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:35,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:35,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:35,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:35,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:35,829 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:35,832 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:38,923 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification that was a NOOP. DAG size: 1068 [2021-07-13 23:18:38,923 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:38,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:38,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:38,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:38,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:38,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:38,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:18:38,976 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:41,953 WARN L205 SmtUtils]: Spent 2.98 s on a formula simplification that was a NOOP. DAG size: 1053 [2021-07-13 23:18:41,953 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:41,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:41,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:41,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:42,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:42,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:42,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:42,006 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:44,937 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 1038 [2021-07-13 23:18:44,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:44,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:44,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:44,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:44,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:44,989 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:18:44,990 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:47,755 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 1023 [2021-07-13 23:18:47,756 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:47,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:47,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:47,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:47,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:47,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:47,806 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:18:47,808 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:50,571 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification that was a NOOP. DAG size: 1008 [2021-07-13 23:18:50,572 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:50,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:50,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:50,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:50,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:50,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:50,625 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:18:50,626 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:53,173 WARN L205 SmtUtils]: Spent 2.55 s on a formula simplification that was a NOOP. DAG size: 993 [2021-07-13 23:18:53,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:53,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:53,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:53,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:53,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:53,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:53,225 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:53,227 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:55,648 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 978 [2021-07-13 23:18:55,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:55,688 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:18:55,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:55,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:55,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:55,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:55,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:55,699 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:55,701 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-13 23:18:58,028 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 962 [2021-07-13 23:18:58,028 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:18:58,067 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:58,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:58,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:58,072 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:58,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:18:58,075 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:18:58,076 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:00,336 WARN L205 SmtUtils]: Spent 2.26 s on a formula simplification that was a NOOP. DAG size: 947 [2021-07-13 23:19:00,337 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:00,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:00,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:00,382 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-13 23:19:00,384 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:02,476 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification that was a NOOP. DAG size: 932 [2021-07-13 23:19:02,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:02,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:02,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:02,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:02,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:02,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:02,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:19:02,521 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:04,562 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification that was a NOOP. DAG size: 917 [2021-07-13 23:19:04,563 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:04,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:04,599 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:04,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:04,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:04,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:04,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:04,605 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:04,606 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:06,584 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 901 [2021-07-13 23:19:06,585 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:06,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:06,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:06,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:06,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:06,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:06,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:06,628 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:08,505 WARN L205 SmtUtils]: Spent 1.88 s on a formula simplification that was a NOOP. DAG size: 886 [2021-07-13 23:19:08,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:08,540 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:08,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:08,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:08,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:08,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:08,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:08,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-13 23:19:08,551 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:10,406 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 870 [2021-07-13 23:19:10,407 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:10,440 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:10,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:10,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:10,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:10,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:10,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:10,448 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-13 23:19:10,450 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:12,260 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 854 [2021-07-13 23:19:12,260 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:12,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:12,294 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:12,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:12,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:12,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:12,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:12,299 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-07-13 23:19:12,302 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:14,102 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 838 [2021-07-13 23:19:14,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:14,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:14,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:14,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:14,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:14,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:14,143 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:14,144 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:15,883 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 823 [2021-07-13 23:19:15,883 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:15,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:15,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:15,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:15,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:15,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:15,923 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-07-13 23:19:15,925 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:17,574 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 808 [2021-07-13 23:19:17,575 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:17,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:17,610 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:17,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:17,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:17,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:17,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:17,616 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:17,618 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:19,262 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification that was a NOOP. DAG size: 792 [2021-07-13 23:19:19,264 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:19,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:19,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:19,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:19,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:19,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:19,311 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:19,313 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:20,916 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 777 [2021-07-13 23:19:20,917 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:20,949 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:20,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:20,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:20,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:20,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:20,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:20,956 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:20,957 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:22,510 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 761 [2021-07-13 23:19:22,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:22,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:22,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:22,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:22,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:22,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:22,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:22,548 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:22,550 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:24,015 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification that was a NOOP. DAG size: 745 [2021-07-13 23:19:24,015 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:24,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:24,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:24,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:24,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:24,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:24,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:24,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:24,054 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:25,501 WARN L205 SmtUtils]: Spent 1.45 s on a formula simplification that was a NOOP. DAG size: 729 [2021-07-13 23:19:25,502 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:25,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:25,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:25,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:25,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:25,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:25,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:25,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:25,544 INFO L550 ElimStorePlain]: Start of recursive call 49: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:26,967 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 713 [2021-07-13 23:19:26,968 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:27,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:27,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:27,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:27,006 INFO L550 ElimStorePlain]: Start of recursive call 50: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:28,411 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 697 [2021-07-13 23:19:28,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:28,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:28,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:28,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:28,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:28,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:28,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:28,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-13 23:19:28,451 INFO L550 ElimStorePlain]: Start of recursive call 51: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:29,779 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 681 [2021-07-13 23:19:29,779 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:29,808 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:29,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:29,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:29,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:29,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:29,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:29,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-07-13 23:19:29,817 INFO L550 ElimStorePlain]: Start of recursive call 52: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:31,132 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 665 [2021-07-13 23:19:31,133 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:31,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:31,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:31,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:31,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:31,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:31,168 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:31,170 INFO L550 ElimStorePlain]: Start of recursive call 53: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:32,396 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 650 [2021-07-13 23:19:32,396 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:32,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:32,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:32,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:32,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:32,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:32,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:32,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:19:32,433 INFO L550 ElimStorePlain]: Start of recursive call 54: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:33,643 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification that was a NOOP. DAG size: 634 [2021-07-13 23:19:33,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:33,674 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:33,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:33,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:33,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:33,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:33,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:33,681 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:33,683 INFO L550 ElimStorePlain]: Start of recursive call 55: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:34,839 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 619 [2021-07-13 23:19:34,840 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:34,869 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:34,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:34,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:34,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:34,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:34,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:34,875 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:34,877 INFO L550 ElimStorePlain]: Start of recursive call 56: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:35,986 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 603 [2021-07-13 23:19:35,986 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:36,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:36,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:36,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:36,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:36,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:36,017 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:36,019 INFO L550 ElimStorePlain]: Start of recursive call 57: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:37,069 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 588 [2021-07-13 23:19:37,070 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:37,095 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:37,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:37,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:37,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:37,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:37,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:37,101 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:37,103 INFO L550 ElimStorePlain]: Start of recursive call 58: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:38,104 WARN L205 SmtUtils]: Spent 1000.00 ms on a formula simplification that was a NOOP. DAG size: 572 [2021-07-13 23:19:38,105 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:38,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:38,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:38,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:38,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:38,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:38,134 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-13 23:19:38,136 INFO L550 ElimStorePlain]: Start of recursive call 59: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:39,114 WARN L205 SmtUtils]: Spent 977.00 ms on a formula simplification that was a NOOP. DAG size: 557 [2021-07-13 23:19:39,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:39,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:39,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:39,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:39,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:39,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:19:39,148 INFO L550 ElimStorePlain]: Start of recursive call 60: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:40,085 WARN L205 SmtUtils]: Spent 936.00 ms on a formula simplification that was a NOOP. DAG size: 542 [2021-07-13 23:19:40,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:40,109 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:40,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:40,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:40,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:40,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:40,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:40,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:40,116 INFO L550 ElimStorePlain]: Start of recursive call 61: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:41,019 WARN L205 SmtUtils]: Spent 902.00 ms on a formula simplification that was a NOOP. DAG size: 526 [2021-07-13 23:19:41,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:41,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,048 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:41,049 INFO L550 ElimStorePlain]: Start of recursive call 62: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:41,921 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification that was a NOOP. DAG size: 511 [2021-07-13 23:19:41,922 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:41,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:41,949 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-07-13 23:19:41,951 INFO L550 ElimStorePlain]: Start of recursive call 63: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:42,782 WARN L205 SmtUtils]: Spent 830.00 ms on a formula simplification that was a NOOP. DAG size: 496 [2021-07-13 23:19:42,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:42,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:42,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:42,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:42,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:42,809 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:42,809 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-07-13 23:19:42,811 INFO L550 ElimStorePlain]: Start of recursive call 64: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:43,627 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification that was a NOOP. DAG size: 480 [2021-07-13 23:19:43,627 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:43,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:43,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:43,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:43,663 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:19:43,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:43,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:19:43,666 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 25 [2021-07-13 23:19:43,667 INFO L550 ElimStorePlain]: Start of recursive call 65: End of recursive call: and 1 xjuncts. [2021-07-13 23:19:44,423 WARN L205 SmtUtils]: Spent 755.00 ms on a formula simplification that was a NOOP. DAG size: 465 [2021-07-13 23:19:44,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:19:44,471 INFO L550 ElimStorePlain]: Start of recursive call 1: 128 dim-0 vars, 64 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-07-13 23:19:44,472 INFO L247 ElimStorePlain]: Needed 65 recursive calls to eliminate 192 variables, input treesize:8523, output treesize:85 [2021-07-13 23:19:44,708 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:19:44,708 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [339079056] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:19:44,709 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:19:44,709 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 38 [2021-07-13 23:19:44,709 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981029429] [2021-07-13 23:19:44,709 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-07-13 23:19:44,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:19:44,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-07-13 23:19:44,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=1279, Unknown=0, NotChecked=0, Total=1406 [2021-07-13 23:19:44,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:19:44,710 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:19:44,711 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.1578947368421053) internal successors, (82), 38 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:19:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:19:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:19:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:19:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:19:44,711 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:19:47,275 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 64 [2021-07-13 23:19:47,973 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-07-13 23:19:48,382 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 78 [2021-07-13 23:19:49,061 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 113 [2021-07-13 23:19:49,495 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 78 [2021-07-13 23:19:50,120 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 87 [2021-07-13 23:19:50,679 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 94 [2021-07-13 23:19:51,673 WARN L205 SmtUtils]: Spent 727.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 155 [2021-07-13 23:19:52,339 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 97 [2021-07-13 23:19:53,300 WARN L205 SmtUtils]: Spent 703.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 119 [2021-07-13 23:19:55,327 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 879 DAG size of output: 204 [2021-07-13 23:19:56,008 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 128 [2021-07-13 23:20:15,008 WARN L205 SmtUtils]: Spent 18.64 s on a formula simplification. DAG size of input: 415 DAG size of output: 272 [2021-07-13 23:20:15,998 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 129 [2021-07-13 23:20:35,694 WARN L205 SmtUtils]: Spent 19.28 s on a formula simplification. DAG size of input: 461 DAG size of output: 270 [2021-07-13 23:21:03,431 WARN L205 SmtUtils]: Spent 27.06 s on a formula simplification. DAG size of input: 1019 DAG size of output: 748 [2021-07-13 23:21:23,043 WARN L205 SmtUtils]: Spent 19.14 s on a formula simplification. DAG size of input: 417 DAG size of output: 236 [2021-07-13 23:21:24,688 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 259 DAG size of output: 245 [2021-07-13 23:21:41,098 WARN L205 SmtUtils]: Spent 15.90 s on a formula simplification. DAG size of input: 463 DAG size of output: 234 [2021-07-13 23:21:42,908 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 305 DAG size of output: 170 [2021-07-13 23:21:44,672 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 261 DAG size of output: 179 [2021-07-13 23:21:45,714 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 139 [2021-07-13 23:21:46,105 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-07-13 23:21:46,557 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 86 [2021-07-13 23:21:46,916 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2021-07-13 23:21:47,482 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 66 [2021-07-13 23:21:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:21:49,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:21:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:21:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:21:49,528 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-13 23:21:49,728 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable66,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:21:49,729 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:21:49,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:21:49,729 INFO L82 PathProgramCache]: Analyzing trace with hash 1502281795, now seen corresponding path program 6 times [2021-07-13 23:21:49,729 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:21:49,729 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [621476897] [2021-07-13 23:21:49,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:21:49,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:21:49,959 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:21:49,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:21:49,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [621476897] [2021-07-13 23:21:49,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [621476897] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:21:49,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1978778342] [2021-07-13 23:21:49,959 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 [2021-07-13 23:21:50,008 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-13 23:21:50,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:21:50,009 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 23:21:50,013 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:21:50,374 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:21:50,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1978778342] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:21:50,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:21:50,374 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-13 23:21:50,374 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38363159] [2021-07-13 23:21:50,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-13 23:21:50,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:21:50,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-13 23:21:50,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-13 23:21:50,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:21:50,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:21:50,376 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.325) internal successors, (93), 40 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:21:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:21:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:21:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:21:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:21:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-13 23:21:50,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:21:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:21:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 23:21:50,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:21:50,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:21:50,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-13 23:21:50,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:21:50,935 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable366 [2021-07-13 23:21:50,936 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:21:50,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:21:50,936 INFO L82 PathProgramCache]: Analyzing trace with hash 616833919, now seen corresponding path program 7 times [2021-07-13 23:21:50,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:21:50,936 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [453129465] [2021-07-13 23:21:50,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:21:51,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:21:59,053 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 145 [2021-07-13 23:21:59,420 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 50 [2021-07-13 23:21:59,731 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 177 [2021-07-13 23:22:00,163 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 68 [2021-07-13 23:22:00,862 WARN L205 SmtUtils]: Spent 694.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 271 [2021-07-13 23:22:01,881 WARN L205 SmtUtils]: Spent 956.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 120 [2021-07-13 23:22:02,802 WARN L205 SmtUtils]: Spent 915.00 ms on a formula simplification. DAG size of input: 473 DAG size of output: 369 [2021-07-13 23:22:04,033 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 369 DAG size of output: 135 [2021-07-13 23:22:07,036 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification. DAG size of input: 672 DAG size of output: 480 [2021-07-13 23:22:08,930 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 480 DAG size of output: 174 [2021-07-13 23:22:19,335 WARN L205 SmtUtils]: Spent 10.39 s on a formula simplification. DAG size of input: 998 DAG size of output: 621 [2021-07-13 23:22:19,989 WARN L205 SmtUtils]: Spent 646.00 ms on a formula simplification. DAG size of input: 619 DAG size of output: 619 [2021-07-13 23:22:23,057 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification. DAG size of input: 619 DAG size of output: 268 [2021-07-13 23:22:35,420 WARN L205 SmtUtils]: Spent 12.35 s on a formula simplification. DAG size of input: 947 DAG size of output: 759 [2021-07-13 23:22:35,606 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 759 [2021-07-13 23:22:40,603 WARN L205 SmtUtils]: Spent 4.79 s on a formula simplification. DAG size of input: 757 DAG size of output: 344 [2021-07-13 23:23:03,676 WARN L205 SmtUtils]: Spent 23.06 s on a formula simplification. DAG size of input: 1005 DAG size of output: 872 [2021-07-13 23:23:03,936 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-13 23:23:04,813 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new [2021-07-13 23:23:04,814 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable367 [2021-07-13 23:23:04,814 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:61) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA.getRedundancy(SimplifyDDA.java:621) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getRedundancy(SimplifyDDAWithTimeout.java:120) at de.uni_freiburg.informatik.ultimate.logic.simplification.SimplifyDDA$Simplifier.walk(SimplifyDDA.java:393) 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.simplification.SimplifyDDA.simplifyOnce(SimplifyDDA.java:649) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.simplify.SimplifyDDAWithTimeout.getSimplifiedTerm(SimplifyDDAWithTimeout.java:180) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:173) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:140) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:360) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:593) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:171) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.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.isCorrect(IpTcStrategyModuleBase.java:56) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:248) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 51 more [2021-07-13 23:23:04,819 INFO L168 Benchmark]: Toolchain (without parser) took 451010.74 ms. Allocated memory was 255.9 MB in the beginning and 1.2 GB in the end (delta: 982.5 MB). Free memory was 235.0 MB in the beginning and 692.9 MB in the end (delta: -457.9 MB). Peak memory consumption was 525.7 MB. Max. memory is 8.0 GB. [2021-07-13 23:23:04,819 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 255.9 MB. Free memory was 236.1 MB in the beginning and 236.0 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 23:23:04,819 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.24 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 23:23:04,819 INFO L168 Benchmark]: Boogie Preprocessor took 22.49 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 232.4 MB in the end (delta: 997.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 23:23:04,819 INFO L168 Benchmark]: RCFGBuilder took 239.03 ms. Allocated memory is still 255.9 MB. Free memory was 232.3 MB in the beginning and 219.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-13 23:23:04,820 INFO L168 Benchmark]: TraceAbstraction took 450718.20 ms. Allocated memory was 255.9 MB in the beginning and 1.2 GB in the end (delta: 982.5 MB). Free memory was 219.1 MB in the beginning and 692.9 MB in the end (delta: -473.8 MB). Peak memory consumption was 508.9 MB. Max. memory is 8.0 GB. [2021-07-13 23:23:04,820 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 255.9 MB. Free memory was 236.1 MB in the beginning and 236.0 MB in the end (delta: 77.0 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 25.24 ms. Allocated memory is still 255.9 MB. Free memory was 234.9 MB in the beginning and 233.4 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 22.49 ms. Allocated memory is still 255.9 MB. Free memory was 233.4 MB in the beginning and 232.4 MB in the end (delta: 997.8 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 239.03 ms. Allocated memory is still 255.9 MB. Free memory was 232.3 MB in the beginning and 219.6 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 450718.20 ms. Allocated memory was 255.9 MB in the beginning and 1.2 GB in the end (delta: 982.5 MB). Free memory was 219.1 MB in the beginning and 692.9 MB in the end (delta: -473.8 MB). Peak memory consumption was 508.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: ASSERTION VIOLATION File: ../src/math/lp/int_solver.cpp Line: 562 Failed to verify: get_freedom_interval_for_column(j, inf_l, l, inf_u, u, m) || settings().get_cancel_flag() Z3 4.8.11.0 Please file an issue with this message and more detail about how you encountered it at https://github.com/Z3Prover/z3/issues/new : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...