/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 07:14:17,180 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 07:14:17,183 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 07:14:17,224 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 07:14:17,285 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 07:14:17,320 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 07:14:17,321 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 07:14:17,321 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 07:14:17,321 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 07:14:17,324 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 07:14:17,324 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 07:14:17,324 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 07:14:17,325 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 07:14:17,325 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 07:14:17,325 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 07:14:17,326 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 07:14:17,326 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 07:14:17,326 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 07:14:17,326 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 07:14:17,327 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 07:14:17,327 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 07:14:17,327 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 07:14:17,327 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 07:14:17,327 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 07:14:17,327 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 07:14:17,328 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 07:14:17,328 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 07:14:17,328 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 07:14:17,328 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:14:17,328 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 07:14:17,329 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 07:14:17,329 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 07:14:17,329 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 07:14:17,329 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 07:14:17,329 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 07:14:17,329 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 07:14:17,330 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 07:14:17,330 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 07:14:17,330 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 07:14:17,330 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 07:14:17,650 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 07:14:17,670 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 07:14:17,672 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 07:14:17,673 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 07:14:17,676 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 07:14:17,677 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl [2021-07-14 07:14:17,677 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/parray-copy.wvr.bpl' [2021-07-14 07:14:17,707 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 07:14:17,710 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 07:14:17,711 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 07:14:17,711 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 07:14:17,711 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 07:14:17,724 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,732 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,740 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 07:14:17,742 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 07:14:17,742 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 07:14:17,742 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 07:14:17,749 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,750 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,752 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,752 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,755 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,762 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... [2021-07-14 07:14:17,764 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 07:14:17,766 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 07:14:17,766 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 07:14:17,767 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 07:14:17,768 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:14:17,850 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 07:14:17,850 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 07:14:17,850 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 07:14:17,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 07:14:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 07:14:17,851 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 07:14:17,851 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 07:14:17,851 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 07:14:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 07:14:17,853 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 07:14:17,853 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 07:14:17,853 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 07:14:17,854 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 07:14:18,033 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 07:14:18,033 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 07:14:18,035 INFO L202 PluginConnector]: Adding new model parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:14:18 BoogieIcfgContainer [2021-07-14 07:14:18,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 07:14:18,037 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 07:14:18,037 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 07:14:18,040 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 07:14:18,040 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:14:17" (1/2) ... [2021-07-14 07:14:18,041 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a1fb and model type parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:14:18, skipping insertion in model container [2021-07-14 07:14:18,041 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "parray-copy.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:14:18" (2/2) ... [2021-07-14 07:14:18,042 INFO L111 eAbstractionObserver]: Analyzing ICFG parray-copy.wvr.bpl [2021-07-14 07:14:18,047 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 07:14:18,047 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 07:14:18,048 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 07:14:18,048 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 07:14:18,083 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 07:14:18,105 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 [2021-07-14 07:14:18,214 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 07:14:18,215 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 07:14:18,215 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 07:14:18,215 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 07:14:18,215 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 07:14:18,215 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 07:14:18,215 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 07:14:18,216 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 07:14:18,302 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:18,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:18,308 INFO L82 PathProgramCache]: Analyzing trace with hash 1083661048, now seen corresponding path program 1 times [2021-07-14 07:14:18,316 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:18,316 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [226711577] [2021-07-14 07:14:18,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:18,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:18,517 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:14:18,517 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:18,518 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [226711577] [2021-07-14 07:14:18,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [226711577] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:18,519 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [698292572] [2021-07-14 07:14:18,519 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 [2021-07-14 07:14:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:18,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 60 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 07:14:18,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:18,801 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:14:18,802 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [698292572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:18,802 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:18,802 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-14 07:14:18,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1300380450] [2021-07-14 07:14:18,807 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 07:14:18,808 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:18,819 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 07:14:18,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-07-14 07:14:18,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:18,823 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:18,826 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.5) internal successors, (36), 8 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:18,826 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:18,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:19,201 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-14 07:14:19,201 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:19,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:19,202 INFO L82 PathProgramCache]: Analyzing trace with hash -565170854, now seen corresponding path program 2 times [2021-07-14 07:14:19,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:19,202 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139292261] [2021-07-14 07:14:19,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:19,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:19,283 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:19,283 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:19,283 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139292261] [2021-07-14 07:14:19,284 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139292261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:19,284 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1524294182] [2021-07-14 07:14:19,284 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 [2021-07-14 07:14:19,322 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:14:19,322 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:19,323 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 07:14:19,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:19,487 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:19,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1524294182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:19,488 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:19,488 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 07:14:19,488 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978758234] [2021-07-14 07:14:19,489 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 07:14:19,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:19,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 07:14:19,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 07:14:19,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:19,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:19,495 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.727272727272727) internal successors, (41), 11 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:19,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:19,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:19,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:19,868 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:19,869 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:19,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:19,869 INFO L82 PathProgramCache]: Analyzing trace with hash -249696452, now seen corresponding path program 3 times [2021-07-14 07:14:19,870 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:19,870 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537349683] [2021-07-14 07:14:19,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:20,501 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 48 [2021-07-14 07:14:20,761 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:20,761 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:20,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537349683] [2021-07-14 07:14:20,762 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537349683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:20,762 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [37806853] [2021-07-14 07:14:20,762 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 [2021-07-14 07:14:20,814 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 07:14:20,814 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:20,816 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 07:14:20,820 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:20,995 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-07-14 07:14:20,998 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:21,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:21,007 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:21,007 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:20 [2021-07-14 07:14:21,083 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-07-14 07:14:21,083 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-07-14 07:14:21,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:21,095 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:21,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:21,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:33, output treesize:32 [2021-07-14 07:14:21,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:21,187 INFO L354 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2021-07-14 07:14:21,190 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2021-07-14 07:14:21,194 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:21,209 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:21,215 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:21,215 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:45, output treesize:44 [2021-07-14 07:14:21,562 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 07:14:21,562 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [37806853] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:21,562 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:21,563 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 12] total 25 [2021-07-14 07:14:21,564 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [834797583] [2021-07-14 07:14:21,564 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 07:14:21,564 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:21,565 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 07:14:21,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=521, Unknown=0, NotChecked=0, Total=600 [2021-07-14 07:14:21,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:21,567 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:21,572 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.32) internal successors, (58), 25 states have internal predecessors, (58), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:21,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:21,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:21,572 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:23,728 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2021-07-14 07:14:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:23,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:23,969 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:23,969 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:23,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:23,970 INFO L82 PathProgramCache]: Analyzing trace with hash 1510243550, now seen corresponding path program 4 times [2021-07-14 07:14:23,970 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:23,970 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796899856] [2021-07-14 07:14:23,970 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:23,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:24,087 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:24,087 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:24,087 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796899856] [2021-07-14 07:14:24,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796899856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:24,090 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202508531] [2021-07-14 07:14:24,091 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 [2021-07-14 07:14:24,140 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:14:24,140 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:24,141 INFO L263 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 07:14:24,146 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:24,369 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 7 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:24,370 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202508531] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:24,370 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:24,370 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-14 07:14:24,370 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734880833] [2021-07-14 07:14:24,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 07:14:24,371 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:24,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 07:14:24,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=398, Unknown=0, NotChecked=0, Total=506 [2021-07-14 07:14:24,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:24,372 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:24,372 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 2.739130434782609) internal successors, (63), 23 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:24,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:24,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:24,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:24,753 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:24,753 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:24,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:24,754 INFO L82 PathProgramCache]: Analyzing trace with hash -873775936, now seen corresponding path program 5 times [2021-07-14 07:14:24,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:24,761 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284297193] [2021-07-14 07:14:24,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:24,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:25,738 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2021-07-14 07:14:25,915 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:25,916 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:25,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284297193] [2021-07-14 07:14:25,916 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284297193] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:25,916 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1275846357] [2021-07-14 07:14:25,916 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 [2021-07-14 07:14:25,959 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 07:14:25,959 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:25,959 INFO L263 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 07:14:25,961 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:26,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-07-14 07:14:26,324 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,332 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:26,333 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,333 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:24, output treesize:23 [2021-07-14 07:14:26,385 INFO L354 Elim1Store]: treesize reduction 23, result has 17.9 percent of original size [2021-07-14 07:14:26,385 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-07-14 07:14:26,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,397 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:26,398 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,398 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:36 [2021-07-14 07:14:26,455 INFO L354 Elim1Store]: treesize reduction 33, result has 17.5 percent of original size [2021-07-14 07:14:26,456 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2021-07-14 07:14:26,458 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:26,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,470 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:43 [2021-07-14 07:14:26,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,580 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 42 [2021-07-14 07:14:26,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,592 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:26,593 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,593 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:46, output treesize:45 [2021-07-14 07:14:26,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:26,711 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 52 [2021-07-14 07:14:26,713 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:26,729 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:26,732 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:26,732 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:52 [2021-07-14 07:14:26,865 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:26,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1275846357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:26,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:26,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 19] total 36 [2021-07-14 07:14:26,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607213483] [2021-07-14 07:14:26,866 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 07:14:26,866 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:26,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 07:14:26,867 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=1154, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 07:14:26,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:26,867 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:26,867 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.111111111111111) internal successors, (76), 36 states have internal predecessors, (76), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:26,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:26,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:28,186 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 58 [2021-07-14 07:14:28,360 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 61 [2021-07-14 07:14:28,525 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 57 [2021-07-14 07:14:28,862 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2021-07-14 07:14:29,143 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 63 [2021-07-14 07:14:29,375 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 63 [2021-07-14 07:14:29,539 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 62 [2021-07-14 07:14:29,730 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-14 07:14:30,028 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 68 [2021-07-14 07:14:30,204 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2021-07-14 07:14:30,473 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 66 [2021-07-14 07:14:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:31,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:31,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:32,004 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:32,005 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:32,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:32,005 INFO L82 PathProgramCache]: Analyzing trace with hash -1316434138, now seen corresponding path program 6 times [2021-07-14 07:14:32,005 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:32,005 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1664798753] [2021-07-14 07:14:32,005 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:32,166 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 25 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:32,166 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:32,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1664798753] [2021-07-14 07:14:32,167 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1664798753] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:32,167 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [839819967] [2021-07-14 07:14:32,167 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 [2021-07-14 07:14:32,207 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2021-07-14 07:14:32,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:32,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 07:14:32,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:32,606 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 36 proven. 33 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:32,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [839819967] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:32,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:32,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 18] total 32 [2021-07-14 07:14:32,606 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402483580] [2021-07-14 07:14:32,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-07-14 07:14:32,609 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:32,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-07-14 07:14:32,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=811, Unknown=0, NotChecked=0, Total=992 [2021-07-14 07:14:32,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:32,613 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:32,613 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.53125) internal successors, (81), 32 states have internal predecessors, (81), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:32,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:32,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:32,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:32,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:32,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:32,614 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:34,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:34,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:14:34,387 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:34,387 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:34,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:34,388 INFO L82 PathProgramCache]: Analyzing trace with hash -1605397816, now seen corresponding path program 7 times [2021-07-14 07:14:34,388 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:34,388 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920086080] [2021-07-14 07:14:34,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:34,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:35,133 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 52 [2021-07-14 07:14:36,029 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 1 proven. 77 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:36,029 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:36,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920086080] [2021-07-14 07:14:36,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920086080] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:36,029 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1561820261] [2021-07-14 07:14:36,030 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:36,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:36,070 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-14 07:14:36,072 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:36,475 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:14:36,476 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:36,485 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,485 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:28, output treesize:27 [2021-07-14 07:14:36,547 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:14:36,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:14:36,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:36,559 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,559 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-07-14 07:14:36,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:36,612 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:14:36,612 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:14:36,614 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,624 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:36,625 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,625 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:54, output treesize:53 [2021-07-14 07:14:36,689 INFO L354 Elim1Store]: treesize reduction 43, result has 14.0 percent of original size [2021-07-14 07:14:36,689 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 42 [2021-07-14 07:14:36,691 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,707 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:36,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,708 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:53, output treesize:52 [2021-07-14 07:14:36,787 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:14:36,788 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 52 [2021-07-14 07:14:36,790 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:36,808 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,808 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:60, output treesize:59 [2021-07-14 07:14:36,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:36,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:36,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:36,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:36,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:36,948 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 48 treesize of output 62 [2021-07-14 07:14:36,950 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,974 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:36,975 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:36,975 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:70, output treesize:69 [2021-07-14 07:14:37,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:37,121 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:14:37,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:37,138 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:37,140 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:37,140 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:67, output treesize:66 [2021-07-14 07:14:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 78 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:37,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1561820261] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:37,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:37,247 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23] total 42 [2021-07-14 07:14:37,247 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602961064] [2021-07-14 07:14:37,247 INFO L462 AbstractCegarLoop]: Interpolant automaton has 42 states [2021-07-14 07:14:37,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:37,248 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 42 interpolants. [2021-07-14 07:14:37,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=172, Invalid=1550, Unknown=0, NotChecked=0, Total=1722 [2021-07-14 07:14:37,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:37,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:37,249 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 42 states, 42 states have (on average 2.1666666666666665) internal successors, (91), 42 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:37,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:37,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:37,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:37,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:37,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:37,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:14:37,249 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:38,201 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 48 [2021-07-14 07:14:38,453 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2021-07-14 07:14:38,700 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 40 [2021-07-14 07:14:39,099 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 46 [2021-07-14 07:14:39,567 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 45 [2021-07-14 07:14:39,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:14:39,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:14:39,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 07:14:39,862 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:39,862 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:39,862 INFO L82 PathProgramCache]: Analyzing trace with hash 2113495082, now seen corresponding path program 8 times [2021-07-14 07:14:39,862 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:39,863 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379599088] [2021-07-14 07:14:39,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:39,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:40,068 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 36 proven. 57 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:40,068 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:40,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1379599088] [2021-07-14 07:14:40,068 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1379599088] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:40,068 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1721906398] [2021-07-14 07:14:40,068 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:40,107 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:14:40,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:40,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 07:14:40,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 49 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:40,518 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1721906398] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:40,518 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:40,518 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 20] total 36 [2021-07-14 07:14:40,519 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [731323782] [2021-07-14 07:14:40,519 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-07-14 07:14:40,519 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:40,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-07-14 07:14:40,520 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=229, Invalid=1031, Unknown=0, NotChecked=0, Total=1260 [2021-07-14 07:14:40,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:40,520 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:40,520 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.4722222222222223) internal successors, (89), 36 states have internal predecessors, (89), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:40,520 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:14:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:14:40,521 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:42,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:14:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:14:42,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:14:42,483 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:42,483 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:42,483 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:42,483 INFO L82 PathProgramCache]: Analyzing trace with hash 316666572, now seen corresponding path program 9 times [2021-07-14 07:14:42,483 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:42,484 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863569687] [2021-07-14 07:14:42,484 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:42,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:43,220 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 61 [2021-07-14 07:14:43,956 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 1 proven. 103 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:43,956 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:43,956 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863569687] [2021-07-14 07:14:43,957 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863569687] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:43,957 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [21169904] [2021-07-14 07:14:43,957 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:43,992 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 07:14:43,992 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:43,993 INFO L263 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 33 conjunts are in the unsatisfiable core [2021-07-14 07:14:43,994 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:44,176 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-07-14 07:14:44,178 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:44,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,188 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:20 [2021-07-14 07:14:44,256 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-07-14 07:14:44,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-07-14 07:14:44,258 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,267 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:44,269 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:44,269 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2021-07-14 07:14:44,339 INFO L354 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2021-07-14 07:14:44,340 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2021-07-14 07:14:44,341 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,354 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:44,357 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:44,357 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:40, output treesize:39 [2021-07-14 07:14:44,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,430 INFO L354 Elim1Store]: treesize reduction 39, result has 11.4 percent of original size [2021-07-14 07:14:44,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 34 treesize of output 42 [2021-07-14 07:14:44,432 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,444 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:44,446 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:44,447 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:51, output treesize:50 [2021-07-14 07:14:44,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,550 INFO L354 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2021-07-14 07:14:44,550 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 45 treesize of output 56 [2021-07-14 07:14:44,552 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,569 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:44,574 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:44,574 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:62, output treesize:61 [2021-07-14 07:14:44,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:44,677 INFO L354 Elim1Store]: treesize reduction 59, result has 7.8 percent of original size [2021-07-14 07:14:44,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 56 treesize of output 70 [2021-07-14 07:14:44,679 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,698 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:44,699 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:44,700 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:73, output treesize:72 [2021-07-14 07:14:44,804 INFO L354 Elim1Store]: treesize reduction 57, result has 8.1 percent of original size [2021-07-14 07:14:44,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 68 [2021-07-14 07:14:44,807 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:44,826 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:44,828 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:44,828 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:68, output treesize:67 [2021-07-14 07:14:45,103 INFO L354 Elim1Store]: treesize reduction 160, result has 18.4 percent of original size [2021-07-14 07:14:45,103 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 58 treesize of output 78 [2021-07-14 07:14:45,106 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:45,130 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:45,136 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 07:14:45,136 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:77, output treesize:76 [2021-07-14 07:14:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-07-14 07:14:45,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [21169904] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:45,374 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:14:45,375 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 17] total 39 [2021-07-14 07:14:45,375 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [813350239] [2021-07-14 07:14:45,375 INFO L462 AbstractCegarLoop]: Interpolant automaton has 39 states [2021-07-14 07:14:45,375 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:14:45,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 39 interpolants. [2021-07-14 07:14:45,376 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=1351, Unknown=0, NotChecked=0, Total=1482 [2021-07-14 07:14:45,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:45,376 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:14:45,376 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 39 states, 39 states have (on average 2.2564102564102564) internal successors, (88), 39 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:14:45,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:45,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:45,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:45,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:45,376 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:45,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:14:45,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:14:45,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:14:45,377 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:14:45,825 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 65 [2021-07-14 07:14:46,098 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 66 [2021-07-14 07:14:46,322 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 21 [2021-07-14 07:14:46,638 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 71 [2021-07-14 07:14:46,863 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 30 [2021-07-14 07:14:47,199 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 68 [2021-07-14 07:14:47,437 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 38 [2021-07-14 07:14:47,812 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 73 [2021-07-14 07:14:48,144 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 55 [2021-07-14 07:14:48,447 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 62 [2021-07-14 07:14:48,731 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 50 [2021-07-14 07:14:49,147 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 83 [2021-07-14 07:14:49,651 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 67 [2021-07-14 07:14:50,299 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-07-14 07:14:50,759 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 57 [2021-07-14 07:14:50,928 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 54 [2021-07-14 07:14:51,164 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 61 [2021-07-14 07:14:51,475 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 62 [2021-07-14 07:14:51,753 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 74 [2021-07-14 07:14:51,959 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 65 [2021-07-14 07:14:52,276 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2021-07-14 07:14:52,469 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2021-07-14 07:14:52,846 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 84 [2021-07-14 07:14:53,100 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 75 [2021-07-14 07:14:53,479 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2021-07-14 07:14:53,791 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 80 [2021-07-14 07:14:54,187 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 89 [2021-07-14 07:14:54,443 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 77 [2021-07-14 07:14:54,709 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 57 [2021-07-14 07:14:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:14:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:14:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:14:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:14:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:14:54,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:14:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:14:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:14:54,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:14:55,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:55,084 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:14:55,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:14:55,084 INFO L82 PathProgramCache]: Analyzing trace with hash -521461552, now seen corresponding path program 10 times [2021-07-14 07:14:55,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:14:55,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984539959] [2021-07-14 07:14:55,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:14:55,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:14:55,847 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2021-07-14 07:14:56,746 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 1 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:14:56,746 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:14:56,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984539959] [2021-07-14 07:14:56,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [984539959] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:14:56,747 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883978891] [2021-07-14 07:14:56,747 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:14:56,778 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:14:56,778 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:14:56,779 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 56 conjunts are in the unsatisfiable core [2021-07-14 07:14:56,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:14:57,318 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:14:57,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,322 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:14:57,322 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,386 INFO L628 ElimStorePlain]: treesize reduction 5, result has 93.0 percent of original size [2021-07-14 07:14:57,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:57,387 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:73, output treesize:66 [2021-07-14 07:14:57,507 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:14:57,507 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:14:57,508 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,521 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:14:57,522 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:14:57,523 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,553 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:57,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:57,561 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:98, output treesize:96 [2021-07-14 07:14:57,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,668 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:14:57,668 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:14:57,669 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,684 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:14:57,684 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:14:57,687 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,722 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:57,723 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:57,724 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:120, output treesize:118 [2021-07-14 07:14:57,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,859 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:14:57,860 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:14:57,861 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:57,885 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:14:57,886 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:14:57,887 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:57,933 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:57,934 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:57,935 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:142, output treesize:140 [2021-07-14 07:14:58,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,093 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:14:58,093 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:14:58,095 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:58,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,123 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:14:58,123 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:14:58,125 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:58,181 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:58,183 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:58,183 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:164, output treesize:162 [2021-07-14 07:14:58,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,371 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:14:58,371 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:14:58,374 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:58,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,449 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:14:58,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:14:58,452 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:58,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:58,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:58,506 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:186, output treesize:184 [2021-07-14 07:14:58,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,687 INFO L354 Elim1Store]: treesize reduction 89, result has 7.3 percent of original size [2021-07-14 07:14:58,687 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 96 [2021-07-14 07:14:58,689 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:58,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,704 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,706 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:58,724 INFO L354 Elim1Store]: treesize reduction 89, result has 7.3 percent of original size [2021-07-14 07:14:58,724 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 79 treesize of output 96 [2021-07-14 07:14:58,726 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:58,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:58,783 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:58,783 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:208, output treesize:206 [2021-07-14 07:14:59,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,062 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 82 [2021-07-14 07:14:59,064 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:59,119 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,135 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 28 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 82 [2021-07-14 07:14:59,137 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:59,198 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:59,200 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 07:14:59,200 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:180, output treesize:178 [2021-07-14 07:14:59,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 92 [2021-07-14 07:14:59,520 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:59,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:14:59,544 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 92 [2021-07-14 07:14:59,546 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:14:59,642 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:14:59,646 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 2 xjuncts. [2021-07-14 07:14:59,646 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:184, output treesize:182 [2021-07-14 07:15:00,097 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 134 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:00,097 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883978891] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:00,097 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:15:00,097 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 29] total 50 [2021-07-14 07:15:00,097 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658951198] [2021-07-14 07:15:00,098 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-07-14 07:15:00,098 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:15:00,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-07-14 07:15:00,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=223, Invalid=2227, Unknown=0, NotChecked=0, Total=2450 [2021-07-14 07:15:00,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:00,099 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:15:00,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 2.04) internal successors, (102), 50 states have internal predecessors, (102), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-07-14 07:15:00,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:00,608 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2021-07-14 07:15:00,861 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 69 [2021-07-14 07:15:01,370 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-07-14 07:15:01,863 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 76 [2021-07-14 07:15:02,076 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 39 [2021-07-14 07:15:02,357 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2021-07-14 07:15:02,585 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2021-07-14 07:15:02,846 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 70 [2021-07-14 07:15:03,125 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 51 [2021-07-14 07:15:03,373 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-07-14 07:15:03,732 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 57 [2021-07-14 07:15:03,936 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 07:15:04,262 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 71 [2021-07-14 07:15:04,749 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 79 [2021-07-14 07:15:05,098 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 80 [2021-07-14 07:15:05,643 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 86 [2021-07-14 07:15:05,865 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 63 [2021-07-14 07:15:06,186 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 73 [2021-07-14 07:15:06,684 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 63 [2021-07-14 07:15:07,149 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 76 [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:07,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:07,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:07,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 07:15:07,437 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:15:07,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:15:07,437 INFO L82 PathProgramCache]: Analyzing trace with hash -1800770510, now seen corresponding path program 11 times [2021-07-14 07:15:07,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:15:07,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1077725424] [2021-07-14 07:15:07,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:15:07,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:15:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 64 proven. 89 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:07,662 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:15:07,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1077725424] [2021-07-14 07:15:07,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1077725424] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:07,662 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945846485] [2021-07-14 07:15:07,662 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:15:07,749 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2021-07-14 07:15:07,750 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:15:07,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-14 07:15:07,752 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:15:08,362 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 81 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:08,363 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945846485] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:08,363 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:15:08,363 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24] total 44 [2021-07-14 07:15:08,363 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376988218] [2021-07-14 07:15:08,364 INFO L462 AbstractCegarLoop]: Interpolant automaton has 44 states [2021-07-14 07:15:08,365 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:15:08,365 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 44 interpolants. [2021-07-14 07:15:08,366 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=343, Invalid=1549, Unknown=0, NotChecked=0, Total=1892 [2021-07-14 07:15:08,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:08,366 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:15:08,366 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 44 states, 44 states have (on average 2.3863636363636362) internal successors, (105), 44 states have internal predecessors, (105), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:15:08,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:08,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:08,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:08,366 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:08,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:08,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:08,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:08,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:08,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:08,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:08,367 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:10,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:10,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 07:15:11,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:15:11,065 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:15:11,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:15:11,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1098783956, now seen corresponding path program 12 times [2021-07-14 07:15:11,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:15:11,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [671152451] [2021-07-14 07:15:11,065 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:15:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:15:11,784 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 57 [2021-07-14 07:15:11,920 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 52 [2021-07-14 07:15:12,460 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 53 [2021-07-14 07:15:12,650 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 49 [2021-07-14 07:15:13,169 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 1 proven. 167 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:13,169 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:15:13,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [671152451] [2021-07-14 07:15:13,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [671152451] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:13,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [789685792] [2021-07-14 07:15:13,170 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:15:13,211 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 11 check-sat command(s) [2021-07-14 07:15:13,211 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:15:13,212 INFO L263 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 60 conjunts are in the unsatisfiable core [2021-07-14 07:15:13,214 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:15:13,758 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2021-07-14 07:15:13,913 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:13,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:13,918 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:13,918 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:13,922 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:13,923 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:13,927 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:13,928 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:13,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:13,932 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:13,936 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:13,937 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:13,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:13,943 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,092 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2021-07-14 07:15:14,092 INFO L628 ElimStorePlain]: treesize reduction 30, result has 88.3 percent of original size [2021-07-14 07:15:14,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:14,094 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:264, output treesize:227 [2021-07-14 07:15:14,262 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:15:14,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:15:14,264 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,281 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:15:14,281 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:15:14,282 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,301 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:15:14,301 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:15:14,302 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,319 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:15:14,319 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:15:14,320 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,334 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:15:14,335 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:15:14,336 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,349 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:15:14,349 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:15:14,350 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,363 INFO L354 Elim1Store]: treesize reduction 29, result has 19.4 percent of original size [2021-07-14 07:15:14,363 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 26 [2021-07-14 07:15:14,364 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,440 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:14,442 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:14,442 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:325, output treesize:318 [2021-07-14 07:15:14,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:14,629 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:15:14,629 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:15:14,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:14,648 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:15:14,648 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:15:14,649 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:14,666 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:15:14,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:15:14,668 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:14,685 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:15:14,685 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:15:14,686 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:14,703 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:15:14,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:15:14,705 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:14,723 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:15:14,723 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:15:14,724 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:14,743 INFO L354 Elim1Store]: treesize reduction 41, result has 14.6 percent of original size [2021-07-14 07:15:14,743 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 35 treesize of output 40 [2021-07-14 07:15:14,744 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:14,832 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:14,834 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:14,834 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:402, output treesize:395 [2021-07-14 07:15:15,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,021 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:15:15,021 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:15:15,022 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,046 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:15:15,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:15:15,047 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,072 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:15:15,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:15:15,074 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,098 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:15:15,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:15:15,099 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,123 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:15:15,124 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:15:15,125 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,147 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:15:15,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:15:15,148 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,167 INFO L354 Elim1Store]: treesize reduction 53, result has 11.7 percent of original size [2021-07-14 07:15:15,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 46 treesize of output 54 [2021-07-14 07:15:15,169 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,269 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 07:15:15,269 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:15,271 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:15,271 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:479, output treesize:472 [2021-07-14 07:15:15,432 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 60 [2021-07-14 07:15:15,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,485 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:15:15,485 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:15:15,487 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,520 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:15:15,521 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:15:15,522 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,556 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:15:15,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:15:15,558 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,592 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:15:15,592 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:15:15,594 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,625 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:15:15,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:15:15,627 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,670 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:15:15,670 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:15:15,672 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:15,704 INFO L354 Elim1Store]: treesize reduction 65, result has 9.7 percent of original size [2021-07-14 07:15:15,704 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 57 treesize of output 68 [2021-07-14 07:15:15,706 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:15,835 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 07:15:15,835 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:15,837 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:15,837 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:556, output treesize:549 [2021-07-14 07:15:16,019 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 65 [2021-07-14 07:15:16,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,095 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:15:16,096 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:15:16,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,147 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:15:16,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:15:16,149 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,188 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:15:16,188 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:15:16,190 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,198 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,200 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,205 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,207 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,232 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:15:16,232 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:15:16,234 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,273 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:15:16,273 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:15:16,276 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,283 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,325 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:15:16,326 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:15:16,327 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:16,356 INFO L354 Elim1Store]: treesize reduction 77, result has 8.3 percent of original size [2021-07-14 07:15:16,356 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 68 treesize of output 82 [2021-07-14 07:15:16,357 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,488 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-07-14 07:15:16,488 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:16,491 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:16,491 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:633, output treesize:626 [2021-07-14 07:15:16,686 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 70 [2021-07-14 07:15:16,745 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-07-14 07:15:16,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:16,747 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:16,944 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-07-14 07:15:16,944 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:16,969 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-07-14 07:15:16,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:16,971 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:17,111 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 137 [2021-07-14 07:15:17,111 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:17,146 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-07-14 07:15:17,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:17,148 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:17,288 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 122 [2021-07-14 07:15:17,288 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:17,316 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-07-14 07:15:17,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:17,317 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:17,457 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 107 [2021-07-14 07:15:17,458 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:17,484 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-07-14 07:15:17,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:17,486 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:17,614 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 92 [2021-07-14 07:15:17,615 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:17,639 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-07-14 07:15:17,639 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:17,641 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:17,766 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification that was a NOOP. DAG size: 77 [2021-07-14 07:15:17,766 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:17,789 INFO L354 Elim1Store]: treesize reduction 73, result has 8.8 percent of original size [2021-07-14 07:15:17,790 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:17,792 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:17,941 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-07-14 07:15:17,941 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:17,944 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:17,944 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 7 variables, input treesize:521, output treesize:514 [2021-07-14 07:15:18,129 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 62 [2021-07-14 07:15:18,261 INFO L354 Elim1Store]: treesize reduction 220, result has 14.7 percent of original size [2021-07-14 07:15:18,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:18,263 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:18,365 INFO L354 Elim1Store]: treesize reduction 220, result has 14.7 percent of original size [2021-07-14 07:15:18,365 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:18,367 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:18,461 INFO L354 Elim1Store]: treesize reduction 220, result has 14.7 percent of original size [2021-07-14 07:15:18,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:18,463 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:18,565 INFO L354 Elim1Store]: treesize reduction 220, result has 14.7 percent of original size [2021-07-14 07:15:18,565 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:18,567 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:18,662 INFO L354 Elim1Store]: treesize reduction 220, result has 14.7 percent of original size [2021-07-14 07:15:18,663 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:18,664 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:18,756 INFO L354 Elim1Store]: treesize reduction 220, result has 14.7 percent of original size [2021-07-14 07:15:18,757 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:18,762 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:18,837 INFO L354 Elim1Store]: treesize reduction 220, result has 14.7 percent of original size [2021-07-14 07:15:18,837 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 13 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:18,839 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:18,975 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 07:15:18,975 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:18,978 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 7 xjuncts. [2021-07-14 07:15:18,978 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 1 variables, input treesize:598, output treesize:591 [2021-07-14 07:15:19,182 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 67 [2021-07-14 07:15:19,397 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 69 [2021-07-14 07:15:19,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,600 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:15:19,601 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:19,603 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:19,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,737 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:15:19,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:19,741 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:19,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,884 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:15:19,884 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:19,886 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:19,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:19,992 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:15:19,992 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:19,993 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:20,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,114 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:15:20,114 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:20,115 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:20,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,234 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:15:20,235 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:20,240 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:20,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:20,333 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:15:20,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 18 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 18 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:20,335 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:20,516 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2021-07-14 07:15:20,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:20,522 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 7 xjuncts. [2021-07-14 07:15:20,523 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 2 variables, input treesize:703, output treesize:696 [2021-07-14 07:15:20,873 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 154 [2021-07-14 07:15:21,463 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 155 [2021-07-14 07:15:21,921 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 156 [2021-07-14 07:15:22,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,077 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,245 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 26 [2021-07-14 07:15:22,245 INFO L354 Elim1Store]: treesize reduction 264, result has 10.5 percent of original size [2021-07-14 07:15:22,245 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:22,247 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:22,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,404 INFO L354 Elim1Store]: treesize reduction 264, result has 10.5 percent of original size [2021-07-14 07:15:22,404 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:22,406 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:22,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,546 INFO L354 Elim1Store]: treesize reduction 264, result has 10.5 percent of original size [2021-07-14 07:15:22,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:22,548 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:22,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,687 INFO L354 Elim1Store]: treesize reduction 264, result has 10.5 percent of original size [2021-07-14 07:15:22,688 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:22,692 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:22,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,826 INFO L354 Elim1Store]: treesize reduction 264, result has 10.5 percent of original size [2021-07-14 07:15:22,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:22,828 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:22,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:22,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:23,022 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 26 [2021-07-14 07:15:23,022 INFO L354 Elim1Store]: treesize reduction 264, result has 10.5 percent of original size [2021-07-14 07:15:23,022 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:23,024 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:23,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:23,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:23,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:23,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:23,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:23,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:23,130 INFO L354 Elim1Store]: treesize reduction 264, result has 10.5 percent of original size [2021-07-14 07:15:23,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:23,132 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:23,349 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 148 [2021-07-14 07:15:23,349 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:23,376 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 14 dim-0 vars, and 7 xjuncts. [2021-07-14 07:15:23,376 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 9 variables, input treesize:752, output treesize:745 [2021-07-14 07:15:24,077 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-07-14 07:15:25,106 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 216 [2021-07-14 07:15:25,504 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 3 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:25,504 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [789685792] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:25,504 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:15:25,505 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 32] total 49 [2021-07-14 07:15:25,505 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1154417115] [2021-07-14 07:15:25,505 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-14 07:15:25,505 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:15:25,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-14 07:15:25,506 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2184, Unknown=0, NotChecked=0, Total=2352 [2021-07-14 07:15:25,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:25,506 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:15:25,506 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.0) internal successors, (98), 49 states have internal predecessors, (98), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:15:25,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:25,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:25,506 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 07:15:25,507 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:26,087 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 84 [2021-07-14 07:15:26,330 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 34 [2021-07-14 07:15:26,748 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-07-14 07:15:27,356 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-07-14 07:15:27,973 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 88 [2021-07-14 07:15:28,606 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-07-14 07:15:29,242 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-07-14 07:15:29,894 WARN L205 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-07-14 07:15:30,550 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 87 [2021-07-14 07:15:31,189 WARN L205 SmtUtils]: Spent 316.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 87 [2021-07-14 07:15:31,840 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 86 [2021-07-14 07:15:32,334 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 87 [2021-07-14 07:15:33,131 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 102 [2021-07-14 07:15:33,618 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 110 [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:34,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 07:15:34,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 07:15:34,231 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2021-07-14 07:15:34,231 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:15:34,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:15:34,232 INFO L82 PathProgramCache]: Analyzing trace with hash 1527785300, now seen corresponding path program 13 times [2021-07-14 07:15:34,232 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:15:34,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [648941951] [2021-07-14 07:15:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:15:34,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:15:35,244 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 68 [2021-07-14 07:15:35,433 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 80 [2021-07-14 07:15:35,641 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 50 [2021-07-14 07:15:35,873 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 57 [2021-07-14 07:15:36,030 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 50 [2021-07-14 07:15:36,182 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 47 [2021-07-14 07:15:36,337 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 56 [2021-07-14 07:15:37,447 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 29 proven. 165 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:37,447 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:15:37,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [648941951] [2021-07-14 07:15:37,448 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [648941951] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:37,448 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [948577608] [2021-07-14 07:15:37,448 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:15:37,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:15:37,483 INFO L263 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 54 conjunts are in the unsatisfiable core [2021-07-14 07:15:37,484 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:15:38,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 07:15:38,092 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,099 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,099 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,099 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:25, output treesize:24 [2021-07-14 07:15:38,165 INFO L354 Elim1Store]: treesize reduction 23, result has 23.3 percent of original size [2021-07-14 07:15:38,165 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 20 treesize of output 22 [2021-07-14 07:15:38,166 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,174 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,175 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,175 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:33 [2021-07-14 07:15:38,233 INFO L354 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2021-07-14 07:15:38,233 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2021-07-14 07:15:38,234 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,243 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,244 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,244 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:37, output treesize:36 [2021-07-14 07:15:38,307 INFO L354 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2021-07-14 07:15:38,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 38 [2021-07-14 07:15:38,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,318 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,319 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,319 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:43 [2021-07-14 07:15:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,408 INFO L354 Elim1Store]: treesize reduction 47, result has 9.6 percent of original size [2021-07-14 07:15:38,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 41 treesize of output 52 [2021-07-14 07:15:38,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,423 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,424 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,425 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:54 [2021-07-14 07:15:38,520 INFO L354 Elim1Store]: treesize reduction 49, result has 9.3 percent of original size [2021-07-14 07:15:38,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 58 [2021-07-14 07:15:38,522 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,535 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,536 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,536 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:58, output treesize:57 [2021-07-14 07:15:38,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,618 INFO L354 Elim1Store]: treesize reduction 63, result has 7.4 percent of original size [2021-07-14 07:15:38,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 55 treesize of output 72 [2021-07-14 07:15:38,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,635 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,636 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,636 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:68 [2021-07-14 07:15:38,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,728 INFO L354 Elim1Store]: treesize reduction 73, result has 6.4 percent of original size [2021-07-14 07:15:38,728 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 66 treesize of output 86 [2021-07-14 07:15:38,733 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,758 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,759 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,759 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:80, output treesize:79 [2021-07-14 07:15:38,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:38,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 36 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 65 treesize of output 88 [2021-07-14 07:15:38,955 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:38,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:38,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:82, output treesize:81 [2021-07-14 07:15:39,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,174 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 106 [2021-07-14 07:15:39,175 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:39,196 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:39,197 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:39,197 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:91 [2021-07-14 07:15:39,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,296 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:39,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 116 [2021-07-14 07:15:39,319 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:39,341 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:39,342 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:15:39,342 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:99, output treesize:98 [2021-07-14 07:15:39,491 INFO L134 CoverageAnalysis]: Checked inductivity of 194 backedges. 0 proven. 194 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:39,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [948577608] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:39,492 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:15:39,492 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31] total 60 [2021-07-14 07:15:39,492 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012305005] [2021-07-14 07:15:39,492 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-14 07:15:39,492 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:15:39,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-14 07:15:39,494 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=293, Invalid=3247, Unknown=0, NotChecked=0, Total=3540 [2021-07-14 07:15:39,494 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:39,494 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:15:39,494 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.066666666666667) internal successors, (124), 60 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:39,494 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 07:15:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 07:15:39,495 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:45,389 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 71 [2021-07-14 07:15:45,706 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 74 [2021-07-14 07:15:45,899 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 67 [2021-07-14 07:15:48,933 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 93 [2021-07-14 07:15:49,197 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 98 [2021-07-14 07:15:49,521 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-07-14 07:15:49,805 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 90 [2021-07-14 07:15:50,014 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 79 [2021-07-14 07:15:50,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 07:15:50,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 07:15:50,297 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:15:50,297 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:15:50,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:15:50,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1742323544, now seen corresponding path program 14 times [2021-07-14 07:15:50,297 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:15:50,297 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510971481] [2021-07-14 07:15:50,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:15:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:15:51,612 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 76 [2021-07-14 07:15:51,785 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 73 [2021-07-14 07:15:51,959 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 78 [2021-07-14 07:15:52,310 WARN L205 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 123 [2021-07-14 07:15:52,471 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 53 [2021-07-14 07:15:52,658 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 60 [2021-07-14 07:15:52,846 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 53 [2021-07-14 07:15:53,012 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 50 [2021-07-14 07:15:53,181 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 59 [2021-07-14 07:15:53,352 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 50 [2021-07-14 07:15:54,442 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 51 proven. 183 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:54,443 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:15:54,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510971481] [2021-07-14 07:15:54,443 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510971481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:54,443 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1944397423] [2021-07-14 07:15:54,443 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:15:54,479 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:15:54,479 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:15:54,480 INFO L263 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 58 conjunts are in the unsatisfiable core [2021-07-14 07:15:54,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:15:55,127 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-07-14 07:15:55,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,134 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,134 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,134 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:20 [2021-07-14 07:15:55,189 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-07-14 07:15:55,189 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-07-14 07:15:55,190 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,197 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,198 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,198 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:30, output treesize:29 [2021-07-14 07:15:55,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,256 INFO L354 Elim1Store]: treesize reduction 31, result has 13.9 percent of original size [2021-07-14 07:15:55,256 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 27 treesize of output 32 [2021-07-14 07:15:55,257 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,266 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,267 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,267 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:40 [2021-07-14 07:15:55,348 INFO L354 Elim1Store]: treesize reduction 33, result has 13.2 percent of original size [2021-07-14 07:15:55,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 3 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 30 treesize of output 38 [2021-07-14 07:15:55,350 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,361 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,361 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:44, output treesize:43 [2021-07-14 07:15:55,442 INFO L354 Elim1Store]: treesize reduction 41, result has 10.9 percent of original size [2021-07-14 07:15:55,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 4 case distinctions, treesize of input 37 treesize of output 48 [2021-07-14 07:15:55,443 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,455 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,456 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,456 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:51, output treesize:50 [2021-07-14 07:15:55,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,535 INFO L354 Elim1Store]: treesize reduction 55, result has 8.3 percent of original size [2021-07-14 07:15:55,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 62 [2021-07-14 07:15:55,537 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,549 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,550 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,550 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:61 [2021-07-14 07:15:55,630 INFO L354 Elim1Store]: treesize reduction 57, result has 8.1 percent of original size [2021-07-14 07:15:55,631 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 15 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 6 case distinctions, treesize of input 51 treesize of output 68 [2021-07-14 07:15:55,632 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,646 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,647 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:65, output treesize:64 [2021-07-14 07:15:55,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,737 INFO L354 Elim1Store]: treesize reduction 71, result has 6.6 percent of original size [2021-07-14 07:15:55,737 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 62 treesize of output 82 [2021-07-14 07:15:55,739 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,755 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,756 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,756 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:76, output treesize:75 [2021-07-14 07:15:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:55,858 INFO L354 Elim1Store]: treesize reduction 81, result has 5.8 percent of original size [2021-07-14 07:15:55,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 8 case distinctions, treesize of input 73 treesize of output 96 [2021-07-14 07:15:55,859 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:55,878 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:55,878 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:87, output treesize:86 [2021-07-14 07:15:56,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,040 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 45 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 98 [2021-07-14 07:15:56,042 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:56,064 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:56,065 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:56,065 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:89, output treesize:88 [2021-07-14 07:15:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,241 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,242 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,245 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,246 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,247 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 55 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 87 treesize of output 116 [2021-07-14 07:15:56,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:56,274 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:56,275 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:15:56,275 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:99, output treesize:98 [2021-07-14 07:15:56,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,387 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:15:56,395 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 66 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 0 case distinctions, treesize of input 94 treesize of output 126 [2021-07-14 07:15:56,397 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:15:56,421 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:15:56,423 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:15:56,423 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:106, output treesize:105 [2021-07-14 07:15:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 234 backedges. 0 proven. 234 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:15:56,602 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1944397423] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:15:56,602 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:15:56,602 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 33] total 64 [2021-07-14 07:15:56,603 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [729195736] [2021-07-14 07:15:56,603 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-14 07:15:56,603 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:15:56,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-14 07:15:56,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=337, Invalid=3695, Unknown=0, NotChecked=0, Total=4032 [2021-07-14 07:15:56,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:15:56,604 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:15:56,604 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.0625) internal successors, (132), 64 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 101 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 55 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 109 states. [2021-07-14 07:15:56,605 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:16:00,711 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 48 [2021-07-14 07:16:01,318 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 63 [2021-07-14 07:16:01,603 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 64 [2021-07-14 07:16:03,088 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 75 [2021-07-14 07:16:03,572 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 88 [2021-07-14 07:16:03,743 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 75 [2021-07-14 07:16:03,922 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 68 [2021-07-14 07:16:07,767 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 100 [2021-07-14 07:16:08,048 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 105 [2021-07-14 07:16:08,243 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 76 [2021-07-14 07:16:08,436 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 81 [2021-07-14 07:16:08,604 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 67 [2021-07-14 07:16:08,779 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 72 [2021-07-14 07:16:09,125 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 112 [2021-07-14 07:16:09,453 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 97 [2021-07-14 07:16:09,668 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-07-14 07:16:09,886 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 83 [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 76 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 101 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2021-07-14 07:16:09,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 109 states. [2021-07-14 07:16:09,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 129 states. [2021-07-14 07:16:10,166 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:16:10,166 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:16:10,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:16:10,167 INFO L82 PathProgramCache]: Analyzing trace with hash 2136089948, now seen corresponding path program 15 times [2021-07-14 07:16:10,167 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:16:10,167 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928313566] [2021-07-14 07:16:10,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:16:10,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:16:10,896 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 43 [2021-07-14 07:16:11,320 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 56 [2021-07-14 07:16:11,578 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 66 [2021-07-14 07:16:11,749 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 65 [2021-07-14 07:16:11,969 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 67 [2021-07-14 07:16:12,288 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 79 [2021-07-14 07:16:12,554 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 66 [2021-07-14 07:16:12,823 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 63 [2021-07-14 07:16:12,989 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 78 [2021-07-14 07:16:13,234 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 80 [2021-07-14 07:16:13,405 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 79 [2021-07-14 07:16:13,731 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 63 [2021-07-14 07:16:13,900 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 58 [2021-07-14 07:16:14,061 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 54 [2021-07-14 07:16:14,793 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 51 proven. 227 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 07:16:14,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:16:14,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928313566] [2021-07-14 07:16:14,794 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928313566] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:16:14,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [258178074] [2021-07-14 07:16:14,794 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:16:14,843 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-14 07:16:14,843 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:16:14,844 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 36 conjunts are in the unsatisfiable core [2021-07-14 07:16:14,845 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:16:15,023 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2021-07-14 07:16:15,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:15,030 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:15,031 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 07:16:15,031 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:21, output treesize:20 [2021-07-14 07:16:15,088 INFO L354 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2021-07-14 07:16:15,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 18 [2021-07-14 07:16:15,089 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:15,098 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:15,100 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:15,100 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:33, output treesize:32 [2021-07-14 07:16:15,173 INFO L354 Elim1Store]: treesize reduction 40, result has 21.6 percent of original size [2021-07-14 07:16:15,173 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 23 treesize of output 28 [2021-07-14 07:16:15,174 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:15,186 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:15,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:15,188 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:45, output treesize:44 [2021-07-14 07:16:15,291 INFO L354 Elim1Store]: treesize reduction 72, result has 18.2 percent of original size [2021-07-14 07:16:15,291 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 6 case distinctions, treesize of input 30 treesize of output 38 [2021-07-14 07:16:15,292 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:15,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:15,311 INFO L550 ElimStorePlain]: Start of recursive call 1: 3 dim-0 vars, 1 dim-1 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:15,311 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 4 variables, input treesize:57, output treesize:56 [2021-07-14 07:16:15,442 INFO L354 Elim1Store]: treesize reduction 112, result has 15.8 percent of original size [2021-07-14 07:16:15,442 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 10 case distinctions, treesize of input 37 treesize of output 48 [2021-07-14 07:16:15,444 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:15,463 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:15,467 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 4 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:15,467 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:69, output treesize:68 [2021-07-14 07:16:15,625 INFO L354 Elim1Store]: treesize reduction 160, result has 14.0 percent of original size [2021-07-14 07:16:15,626 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 15 case distinctions, treesize of input 44 treesize of output 58 [2021-07-14 07:16:15,654 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:15,679 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:15,685 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 1 dim-1 vars, End of recursive call: 5 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:15,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 6 variables, input treesize:81, output treesize:80 [2021-07-14 07:16:16,004 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 26 [2021-07-14 07:16:16,005 INFO L354 Elim1Store]: treesize reduction 216, result has 12.6 percent of original size [2021-07-14 07:16:16,005 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 21 case distinctions, treesize of input 51 treesize of output 68 [2021-07-14 07:16:16,007 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:16,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:16,056 INFO L550 ElimStorePlain]: Start of recursive call 1: 6 dim-0 vars, 1 dim-1 vars, End of recursive call: 6 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:16,057 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 7 variables, input treesize:93, output treesize:92 [2021-07-14 07:16:16,460 INFO L354 Elim1Store]: treesize reduction 280, result has 11.4 percent of original size [2021-07-14 07:16:16,461 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 28 case distinctions, treesize of input 58 treesize of output 78 [2021-07-14 07:16:16,462 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:16,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:16,505 INFO L550 ElimStorePlain]: Start of recursive call 1: 7 dim-0 vars, 1 dim-1 vars, End of recursive call: 7 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:16,505 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 8 variables, input treesize:105, output treesize:104 [2021-07-14 07:16:19,444 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 34 [2021-07-14 07:16:19,444 INFO L354 Elim1Store]: treesize reduction 352, result has 10.4 percent of original size [2021-07-14 07:16:19,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 36 case distinctions, treesize of input 65 treesize of output 88 [2021-07-14 07:16:19,446 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 07:16:19,484 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 07:16:19,497 INFO L550 ElimStorePlain]: Start of recursive call 1: 8 dim-0 vars, 1 dim-1 vars, End of recursive call: 8 dim-0 vars, and 1 xjuncts. [2021-07-14 07:16:19,497 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 9 variables, input treesize:117, output treesize:116 [2021-07-14 07:17:09,172 WARN L227 Executor]: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000) stderr output: (error "out of memory") [2021-07-14 07:17:09,173 WARN L348 FreeRefinementEngine]: Global settings require throwing the following exception [2021-07-14 07:17:09,374 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:17:09,374 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseCheckSatResult(Executor.java:258) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.checkSat(Scriptor.java:155) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.checkSat(ManagedScript.java:138) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.MonolithicImplicationChecker.checkImplication(MonolithicImplicationChecker.java:85) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.compare(PredicateUnifier.java:934) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier$PredicateComparison.(PredicateUnifier.java:773) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:345) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate(PredicateUnifier.java:305) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp$UnifyPostprocessor.postprocess(TraceCheckSpWp.java:582) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:440) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeStrongestPostconditionSequence(IterativePredicateTransformer.java:201) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:299) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:185) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:163) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:108) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:100) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:76) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:297) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:190) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:180) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:84) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:74) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:597) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:439) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:374) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:69) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarLoopUtils.getCegarLoopResult(CegarLoopUtils.java:63) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:367) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:293) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseConcurrentProgram(TraceAbstractionStarter.java:238) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:167) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1461) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:654) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:238) ... 46 more [2021-07-14 07:17:09,378 INFO L168 Benchmark]: Toolchain (without parser) took 171669.16 ms. Allocated memory was 211.8 MB in the beginning and 652.2 MB in the end (delta: 440.4 MB). Free memory was 191.3 MB in the beginning and 262.6 MB in the end (delta: -71.4 MB). Peak memory consumption was 370.1 MB. Max. memory is 8.0 GB. [2021-07-14 07:17:09,379 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.18 ms. Allocated memory is still 211.8 MB. Free memory is still 192.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 07:17:09,379 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.06 ms. Allocated memory is still 211.8 MB. Free memory was 191.1 MB in the beginning and 189.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 07:17:09,379 INFO L168 Benchmark]: Boogie Preprocessor took 21.94 ms. Allocated memory is still 211.8 MB. Free memory was 189.6 MB in the beginning and 188.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 07:17:09,379 INFO L168 Benchmark]: RCFGBuilder took 269.51 ms. Allocated memory is still 211.8 MB. Free memory was 188.6 MB in the beginning and 175.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. [2021-07-14 07:17:09,379 INFO L168 Benchmark]: TraceAbstraction took 171341.25 ms. Allocated memory was 211.8 MB in the beginning and 652.2 MB in the end (delta: 440.4 MB). Free memory was 175.1 MB in the beginning and 262.6 MB in the end (delta: -87.5 MB). Peak memory consumption was 353.3 MB. Max. memory is 8.0 GB. [2021-07-14 07:17:09,379 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 0.18 ms. Allocated memory is still 211.8 MB. Free memory is still 192.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 30.06 ms. Allocated memory is still 211.8 MB. Free memory was 191.1 MB in the beginning and 189.6 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.94 ms. Allocated memory is still 211.8 MB. Free memory was 189.6 MB in the beginning and 188.6 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 269.51 ms. Allocated memory is still 211.8 MB. Free memory was 188.6 MB in the beginning and 175.7 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 171341.25 ms. Allocated memory was 211.8 MB in the beginning and 652.2 MB in the end (delta: 440.4 MB). Free memory was 175.1 MB in the beginning and 262.6 MB in the end (delta: -87.5 MB). Peak memory consumption was 353.3 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000)Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:241) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...