/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-02 02:25:13,050 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-02 02:25:13,053 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-02 02:25:13,091 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-02 02:25:13,148 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-02 02:25:13,182 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-02 02:25:13,183 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-02 02:25:13,183 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-02 02:25:13,183 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-02 02:25:13,186 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-02 02:25:13,186 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-02 02:25:13,186 INFO L138 SettingsManager]: * Use SBE=true [2021-06-02 02:25:13,186 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-02 02:25:13,187 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-02 02:25:13,187 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-02 02:25:13,187 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-02 02:25:13,188 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-02 02:25:13,188 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-02 02:25:13,188 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-02 02:25:13,188 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-02 02:25:13,188 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-02 02:25:13,188 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-02 02:25:13,189 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-02 02:25:13,189 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-02 02:25:13,189 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-02 02:25:13,189 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-02 02:25:13,189 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-02 02:25:13,189 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-02 02:25:13,189 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 02:25:13,190 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-02 02:25:13,190 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-02 02:25:13,190 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-02 02:25:13,190 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-02 02:25:13,190 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-02 02:25:13,190 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-02 02:25:13,190 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-02 02:25:13,191 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-02 02:25:13,191 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-02 02:25:13,191 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-02 02:25:13,492 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-02 02:25:13,514 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-02 02:25:13,517 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-02 02:25:13,518 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-02 02:25:13,519 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-02 02:25:13,520 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl [2021-06-02 02:25:13,520 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/mts.wvr.bpl' [2021-06-02 02:25:13,561 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-02 02:25:13,563 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-02 02:25:13,564 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-02 02:25:13,564 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-02 02:25:13,565 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-02 02:25:13,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,587 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,595 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-02 02:25:13,597 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-02 02:25:13,597 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-02 02:25:13,597 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-02 02:25:13,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,607 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,607 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,617 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,618 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... [2021-06-02 02:25:13,622 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-02 02:25:13,624 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-02 02:25:13,624 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-02 02:25:13,624 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-02 02:25:13,626 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-02 02:25:13,703 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-02 02:25:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-02 02:25:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-02 02:25:13,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-02 02:25:13,704 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-02 02:25:13,704 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-02 02:25:13,704 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-02 02:25:13,705 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-02 02:25:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-02 02:25:13,706 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-02 02:25:13,706 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-02 02:25:13,706 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-02 02:25:13,707 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-02 02:25:13,891 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-02 02:25:13,891 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-02 02:25:13,893 INFO L202 PluginConnector]: Adding new model mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 02:25:13 BoogieIcfgContainer [2021-06-02 02:25:13,893 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-02 02:25:13,895 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-02 02:25:13,895 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-02 02:25:13,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-02 02:25:13,897 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 02.06 02:25:13" (1/2) ... [2021-06-02 02:25:13,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52716600 and model type mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.06 02:25:13, skipping insertion in model container [2021-06-02 02:25:13,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "mts.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.06 02:25:13" (2/2) ... [2021-06-02 02:25:13,900 INFO L111 eAbstractionObserver]: Analyzing ICFG mts.wvr.bpl [2021-06-02 02:25:13,904 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-02 02:25:13,904 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-02 02:25:13,905 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-02 02:25:13,905 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-02 02:25:13,937 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-02 02:25:13,976 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-02 02:25:14,051 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-02 02:25:14,052 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-02 02:25:14,052 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-02 02:25:14,052 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-02 02:25:14,052 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-02 02:25:14,052 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-02 02:25:14,052 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-02 02:25:14,052 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-02 02:25:14,095 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:25:14,100 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:25:14,100 INFO L82 PathProgramCache]: Analyzing trace with hash 1558799945, now seen corresponding path program 1 times [2021-06-02 02:25:14,109 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:25:14,110 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120741454] [2021-06-02 02:25:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:25:14,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:14,334 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:25:14,334 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:25:14,334 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120741454] [2021-06-02 02:25:14,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120741454] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 02:25:14,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 02:25:14,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 02:25:14,336 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75264615] [2021-06-02 02:25:14,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-02 02:25:14,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:25:14,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-02 02:25:14,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-06-02 02:25:14,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:14,356 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:25:14,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 3.6) internal successors, (18), 4 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:25:14,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:14,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:14,451 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-02 02:25:14,451 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:25:14,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:25:14,455 INFO L82 PathProgramCache]: Analyzing trace with hash 42228775, now seen corresponding path program 1 times [2021-06-02 02:25:14,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:25:14,455 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [796063308] [2021-06-02 02:25:14,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:25:14,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:14,527 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:25:14,527 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:25:14,528 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [796063308] [2021-06-02 02:25:14,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [796063308] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-02 02:25:14,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-02 02:25:14,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-02 02:25:14,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1535212818] [2021-06-02 02:25:14,534 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-02 02:25:14,534 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:25:14,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-02 02:25:14,538 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-02 02:25:14,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:14,539 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:25:14,539 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:25:14,539 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:14,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:14,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:14,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:25:14,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-02 02:25:14,597 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:25:14,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:25:14,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1930946427, now seen corresponding path program 1 times [2021-06-02 02:25:14,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:25:14,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1270017340] [2021-06-02 02:25:14,598 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:25:14,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:15,089 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2021-06-02 02:25:15,245 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:25:15,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:25:15,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1270017340] [2021-06-02 02:25:15,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1270017340] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:25:15,247 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1175348542] [2021-06-02 02:25:15,247 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:25:15,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:15,305 INFO L263 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 23 conjunts are in the unsatisfiable core [2021-06-02 02:25:15,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:25:15,834 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:25:15,835 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:25:15,840 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 14 [2021-06-02 02:25:15,842 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:15,847 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:25:15,848 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:25:15,848 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 19 [2021-06-02 02:25:15,854 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:15,858 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:25:15,859 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:25:15,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 25 treesize of output 17 [2021-06-02 02:25:15,863 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:15,872 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:25:15,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 22 [2021-06-02 02:25:15,879 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:15,947 INFO L628 ElimStorePlain]: treesize reduction 54, result has 43.2 percent of original size [2021-06-02 02:25:15,951 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-02 02:25:15,951 INFO L247 ElimStorePlain]: Needed 5 recursive calls to eliminate 2 variables, input treesize:153, output treesize:35 [2021-06-02 02:25:16,021 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:25:16,022 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1175348542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:25:16,022 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:25:16,022 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-02 02:25:16,022 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1927076776] [2021-06-02 02:25:16,023 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-02 02:25:16,023 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:25:16,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-02 02:25:16,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-02 02:25:16,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:16,024 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:25:16,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:25:16,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:16,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:25:16,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:16,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:16,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:25:16,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:25:16,464 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:25:16,465 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:25:16,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:25:16,465 INFO L82 PathProgramCache]: Analyzing trace with hash 1580789603, now seen corresponding path program 2 times [2021-06-02 02:25:16,465 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:25:16,465 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811272242] [2021-06-02 02:25:16,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:25:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:16,545 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:25:16,545 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:25:16,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811272242] [2021-06-02 02:25:16,550 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811272242] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:25:16,550 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [693376331] [2021-06-02 02:25:16,550 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:25:16,596 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 02:25:16,596 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:25:16,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-02 02:25:16,598 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:25:16,716 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:25:16,716 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [693376331] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:25:16,716 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:25:16,716 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-02 02:25:16,717 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1583199809] [2021-06-02 02:25:16,717 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-02 02:25:16,717 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:25:16,718 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-02 02:25:16,718 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-02 02:25:16,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:16,718 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:25:16,718 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:25:16,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:16,718 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:25:16,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:25:16,719 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:25:16,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:25:16,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:25:17,136 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-02 02:25:17,137 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:25:17,137 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:25:17,137 INFO L82 PathProgramCache]: Analyzing trace with hash -339909977, now seen corresponding path program 1 times [2021-06-02 02:25:17,138 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:25:17,138 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118919121] [2021-06-02 02:25:17,138 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:25:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:17,185 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:25:17,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:25:17,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118919121] [2021-06-02 02:25:17,186 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118919121] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:25:17,186 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1169089069] [2021-06-02 02:25:17,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:25:17,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:17,219 INFO L263 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-02 02:25:17,220 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:25:17,307 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:25:17,307 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1169089069] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:25:17,307 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:25:17,307 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-02 02:25:17,307 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801152041] [2021-06-02 02:25:17,308 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-02 02:25:17,308 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:25:17,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-02 02:25:17,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-02 02:25:17,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:17,309 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:25:17,309 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:25:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:25:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:25:17,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:25:17,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:25:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:25:17,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:25:17,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:25:17,419 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:25:17,420 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:25:17,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:25:17,633 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:25:17,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:25:17,633 INFO L82 PathProgramCache]: Analyzing trace with hash -700638459, now seen corresponding path program 2 times [2021-06-02 02:25:17,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:25:17,633 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323906268] [2021-06-02 02:25:17,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:25:17,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:25:18,312 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 78 [2021-06-02 02:25:18,571 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 79 [2021-06-02 02:25:18,866 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 74 [2021-06-02 02:25:19,060 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 51 [2021-06-02 02:25:19,259 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 48 [2021-06-02 02:25:19,426 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:25:19,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:25:19,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323906268] [2021-06-02 02:25:19,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1323906268] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:25:19,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1976962004] [2021-06-02 02:25:19,426 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:25:19,472 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-02 02:25:19,472 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:25:19,473 WARN L261 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-02 02:25:19,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:25:37,741 WARN L205 SmtUtils]: Spent 17.15 s on a formula simplification that was a NOOP. DAG size: 81 [2021-06-02 02:25:39,125 INFO L446 ElimStorePlain]: Different costs {7=[v_prenex_61, v_prenex_65, v_prenex_73, v_prenex_55], 10=[v_prenex_50, A, v_prenex_71, v_prenex_53, v_prenex_75, v_prenex_63, v_prenex_69, v_prenex_46, v_prenex_57, v_prenex_67, v_prenex_59, v_prenex_48]} [2021-06-02 02:25:39,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:39,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:39,261 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-02 02:25:39,262 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 43 [2021-06-02 02:25:39,269 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:39,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:39,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:39,371 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-02 02:25:39,372 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 50 treesize of output 44 [2021-06-02 02:25:39,376 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:41,896 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 428 [2021-06-02 02:25:41,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:25:41,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:41,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:42,015 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-02 02:25:42,016 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 57 treesize of output 57 [2021-06-02 02:25:42,043 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:42,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:42,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:42,144 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-06-02 02:25:42,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 62 treesize of output 52 [2021-06-02 02:25:42,150 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:46,671 WARN L205 SmtUtils]: Spent 4.52 s on a formula simplification. DAG size of input: 424 DAG size of output: 422 [2021-06-02 02:25:46,674 INFO L628 ElimStorePlain]: treesize reduction 10, result has 99.7 percent of original size [2021-06-02 02:25:46,703 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:46,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:46,772 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:25:46,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 76 treesize of output 84 [2021-06-02 02:25:46,863 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:46,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:46,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:47,011 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-02 02:25:47,012 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 71 treesize of output 77 [2021-06-02 02:25:47,055 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:51,943 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 494 DAG size of output: 425 [2021-06-02 02:25:51,946 INFO L628 ElimStorePlain]: treesize reduction 288, result has 92.3 percent of original size [2021-06-02 02:25:51,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:51,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:52,053 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-02 02:25:52,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 53 treesize of output 59 [2021-06-02 02:25:52,076 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:52,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:52,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:52,159 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-02 02:25:52,159 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 58 treesize of output 60 [2021-06-02 02:25:52,168 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:56,409 WARN L205 SmtUtils]: Spent 4.24 s on a formula simplification. DAG size of input: 417 DAG size of output: 412 [2021-06-02 02:25:56,411 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.5 percent of original size [2021-06-02 02:25:56,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:56,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:56,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:56,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:56,511 INFO L354 Elim1Store]: treesize reduction 38, result has 30.9 percent of original size [2021-06-02 02:25:56,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 106 treesize of output 76 [2021-06-02 02:25:56,524 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-02 02:25:56,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:25:56,590 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-02 02:25:56,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 106 treesize of output 78 [2021-06-02 02:25:56,608 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:00,638 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 395 DAG size of output: 394 [2021-06-02 02:26:00,641 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.8 percent of original size [2021-06-02 02:26:00,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:00,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:00,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:00,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:00,750 INFO L354 Elim1Store]: treesize reduction 36, result has 34.5 percent of original size [2021-06-02 02:26:00,750 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 100 treesize of output 78 [2021-06-02 02:26:00,759 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:00,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:00,858 INFO L354 Elim1Store]: treesize reduction 50, result has 36.7 percent of original size [2021-06-02 02:26:00,858 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 100 treesize of output 88 [2021-06-02 02:26:00,877 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:04,689 WARN L205 SmtUtils]: Spent 3.81 s on a formula simplification. DAG size of input: 377 DAG size of output: 375 [2021-06-02 02:26:04,691 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-02 02:26:04,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:04,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:04,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:04,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:04,768 INFO L354 Elim1Store]: treesize reduction 40, result has 27.3 percent of original size [2021-06-02 02:26:04,768 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 84 treesize of output 72 [2021-06-02 02:26:04,772 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:04,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:04,865 INFO L354 Elim1Store]: treesize reduction 46, result has 41.8 percent of original size [2021-06-02 02:26:04,865 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 84 treesize of output 90 [2021-06-02 02:26:04,883 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:08,539 WARN L205 SmtUtils]: Spent 3.65 s on a formula simplification. DAG size of input: 362 DAG size of output: 360 [2021-06-02 02:26:08,540 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.5 percent of original size [2021-06-02 02:26:08,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:08,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:08,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:08,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:08,641 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-02 02:26:08,641 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 86 treesize of output 85 [2021-06-02 02:26:08,651 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:08,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:08,719 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-02 02:26:08,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 86 treesize of output 75 [2021-06-02 02:26:08,724 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:12,160 WARN L205 SmtUtils]: Spent 3.44 s on a formula simplification. DAG size of input: 343 DAG size of output: 341 [2021-06-02 02:26:12,161 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.4 percent of original size [2021-06-02 02:26:12,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:12,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:12,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:12,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:12,274 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-02 02:26:12,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 103 treesize of output 90 [2021-06-02 02:26:12,303 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:12,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:12,384 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-02 02:26:12,384 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 103 treesize of output 80 [2021-06-02 02:26:12,390 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:15,917 WARN L205 SmtUtils]: Spent 3.53 s on a formula simplification. DAG size of input: 334 DAG size of output: 326 [2021-06-02 02:26:15,919 INFO L628 ElimStorePlain]: treesize reduction 42, result has 98.4 percent of original size [2021-06-02 02:26:15,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:15,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:15,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:15,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:16,039 INFO L354 Elim1Store]: treesize reduction 14, result has 74.5 percent of original size [2021-06-02 02:26:16,039 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 123 treesize of output 105 [2021-06-02 02:26:16,095 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:16,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:16,185 INFO L354 Elim1Store]: treesize reduction 48, result has 39.2 percent of original size [2021-06-02 02:26:16,185 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 123 treesize of output 95 [2021-06-02 02:26:16,201 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:21,175 WARN L205 SmtUtils]: Spent 4.97 s on a formula simplification. DAG size of input: 342 DAG size of output: 314 [2021-06-02 02:26:21,176 INFO L628 ElimStorePlain]: treesize reduction 164, result has 93.7 percent of original size [2021-06-02 02:26:21,197 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:21,199 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:21,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:21,270 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-02 02:26:21,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 78 treesize of output 86 [2021-06-02 02:26:21,279 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:21,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:21,357 INFO L354 Elim1Store]: treesize reduction 52, result has 34.2 percent of original size [2021-06-02 02:26:21,357 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 78 treesize of output 82 [2021-06-02 02:26:21,366 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:24,455 WARN L205 SmtUtils]: Spent 3.09 s on a formula simplification. DAG size of input: 297 DAG size of output: 295 [2021-06-02 02:26:24,456 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-02 02:26:24,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:24,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:24,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:24,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:24,529 INFO L354 Elim1Store]: treesize reduction 26, result has 52.7 percent of original size [2021-06-02 02:26:24,529 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 77 treesize of output 83 [2021-06-02 02:26:24,538 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:24,561 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:24,609 INFO L354 Elim1Store]: treesize reduction 60, result has 24.1 percent of original size [2021-06-02 02:26:24,610 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 77 treesize of output 73 [2021-06-02 02:26:24,615 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:27,570 WARN L205 SmtUtils]: Spent 2.95 s on a formula simplification. DAG size of input: 279 DAG size of output: 277 [2021-06-02 02:26:27,571 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-02 02:26:27,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:27,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:27,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:27,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:27,682 INFO L354 Elim1Store]: treesize reduction 10, result has 81.8 percent of original size [2021-06-02 02:26:27,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 66 treesize of output 97 [2021-06-02 02:26:27,712 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:27,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:27,780 INFO L354 Elim1Store]: treesize reduction 66, result has 16.5 percent of original size [2021-06-02 02:26:27,780 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 65 [2021-06-02 02:26:27,784 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:30,659 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 261 DAG size of output: 258 [2021-06-02 02:26:30,661 INFO L628 ElimStorePlain]: treesize reduction 21, result has 99.0 percent of original size [2021-06-02 02:26:30,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:30,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:30,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:30,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:30,741 INFO L354 Elim1Store]: treesize reduction 24, result has 56.4 percent of original size [2021-06-02 02:26:30,742 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 98 treesize of output 90 [2021-06-02 02:26:30,762 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:30,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:30,831 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-02 02:26:30,831 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 98 treesize of output 74 [2021-06-02 02:26:30,834 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:33,448 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 239 DAG size of output: 238 [2021-06-02 02:26:33,449 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-02 02:26:33,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:33,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:33,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:33,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:33,546 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-02 02:26:33,547 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 73 treesize of output 76 [2021-06-02 02:26:33,567 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:33,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:33,619 INFO L354 Elim1Store]: treesize reduction 64, result has 19.0 percent of original size [2021-06-02 02:26:33,620 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 73 treesize of output 70 [2021-06-02 02:26:33,623 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:36,089 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification. DAG size of input: 223 DAG size of output: 222 [2021-06-02 02:26:36,090 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.6 percent of original size [2021-06-02 02:26:36,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:36,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:36,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:36,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:36,152 INFO L354 Elim1Store]: treesize reduction 34, result has 38.2 percent of original size [2021-06-02 02:26:36,153 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 4 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 6 case distinctions, treesize of input 138 treesize of output 86 [2021-06-02 02:26:36,159 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:36,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:26:36,204 INFO L354 Elim1Store]: treesize reduction 62, result has 21.5 percent of original size [2021-06-02 02:26:36,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 9 case distinctions, treesize of input 138 treesize of output 82 [2021-06-02 02:26:36,206 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-02 02:26:38,519 WARN L205 SmtUtils]: Spent 2.31 s on a formula simplification. DAG size of input: 202 DAG size of output: 201 [2021-06-02 02:26:38,520 INFO L628 ElimStorePlain]: treesize reduction 8, result has 99.5 percent of original size [2021-06-02 02:26:38,708 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-02 02:26:38,709 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:3613, output treesize:1742 [2021-06-02 02:26:39,166 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-06-02 02:26:39,315 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:26:39,315 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1976962004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:26:39,315 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:26:39,315 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-02 02:26:39,316 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [160818910] [2021-06-02 02:26:39,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-02 02:26:39,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:26:39,316 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-02 02:26:39,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=510, Unknown=0, NotChecked=0, Total=600 [2021-06-02 02:26:39,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:26:39,317 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:26:39,317 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:26:39,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:26:39,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:26:39,317 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:26:39,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:26:39,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:26:39,318 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:26:39,628 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 60 [2021-06-02 02:26:39,991 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 73 [2021-06-02 02:26:40,398 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 90 [2021-06-02 02:26:40,632 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 69 [2021-06-02 02:26:41,226 WARN L205 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 94 [2021-06-02 02:26:41,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:26:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:26:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:26:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:26:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:26:41,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-02 02:26:41,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-06-02 02:26:41,599 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:26:41,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:26:41,599 INFO L82 PathProgramCache]: Analyzing trace with hash 531641315, now seen corresponding path program 3 times [2021-06-02 02:26:41,599 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:26:41,599 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136966572] [2021-06-02 02:26:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:26:41,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:26:41,692 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:26:41,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:26:41,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136966572] [2021-06-02 02:26:41,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2136966572] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:26:41,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2111240391] [2021-06-02 02:26:41,693 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:26:41,729 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-02 02:26:41,729 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:26:41,730 INFO L263 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-02 02:26:41,732 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:26:41,897 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:26:41,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2111240391] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:26:41,897 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:26:41,897 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-02 02:26:41,897 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742005874] [2021-06-02 02:26:41,898 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-02 02:26:41,898 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:26:41,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-02 02:26:41,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-02 02:26:41,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:26:41,898 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:26:41,899 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:26:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:26:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:26:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:26:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:26:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:26:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-02 02:26:41,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:26:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:26:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:26:42,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:26:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:26:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:26:42,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-02 02:26:42,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:26:42,580 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable186,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:26:42,581 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:26:42,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:26:42,581 INFO L82 PathProgramCache]: Analyzing trace with hash -553752793, now seen corresponding path program 4 times [2021-06-02 02:26:42,581 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:26:42,581 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445660068] [2021-06-02 02:26:42,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:26:42,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:26:42,683 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:26:42,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:26:42,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445660068] [2021-06-02 02:26:42,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445660068] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:26:42,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1837192457] [2021-06-02 02:26:42,683 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:26:42,724 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-02 02:26:42,724 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:26:42,725 INFO L263 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-02 02:26:42,727 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:26:42,852 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-02 02:26:42,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1837192457] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:26:42,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:26:42,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-02 02:26:42,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [579453624] [2021-06-02 02:26:42,853 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-02 02:26:42,853 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:26:42,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-02 02:26:42,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-02 02:26:42,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:26:42,854 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:26:42,854 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:26:42,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:26:42,854 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:26:42,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:26:42,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:26:42,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:26:42,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-02 02:26:42,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:26:42,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:26:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:26:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:26:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:26:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:26:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:26:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-02 02:26:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:26:42,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:26:43,212 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable187,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:26:43,213 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:26:43,213 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:26:43,213 INFO L82 PathProgramCache]: Analyzing trace with hash 2070339973, now seen corresponding path program 5 times [2021-06-02 02:26:43,213 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:26:43,213 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1783072982] [2021-06-02 02:26:43,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:26:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:26:44,112 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 40 [2021-06-02 02:26:44,256 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 160 [2021-06-02 02:26:44,692 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 76 [2021-06-02 02:26:45,032 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 225 [2021-06-02 02:26:45,884 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 112 [2021-06-02 02:26:46,196 WARN L205 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 243 [2021-06-02 02:26:47,184 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 134 [2021-06-02 02:26:47,437 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 237 [2021-06-02 02:26:48,411 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 128 [2021-06-02 02:26:48,779 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 207 [2021-06-02 02:26:49,315 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 87 [2021-06-02 02:26:49,618 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 60 [2021-06-02 02:26:49,813 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 38 [2021-06-02 02:26:49,969 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 35 [2021-06-02 02:26:50,187 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 2 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:26:50,187 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-02 02:26:50,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1783072982] [2021-06-02 02:26:50,188 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1783072982] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:26:50,188 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [299475418] [2021-06-02 02:26:50,188 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-02 02:26:50,238 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-02 02:26:50,238 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-02 02:26:50,239 WARN L261 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 54 conjunts are in the unsatisfiable core [2021-06-02 02:26:50,241 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-02 02:26:52,756 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 134 [2021-06-02 02:26:54,716 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 342 [2021-06-02 02:26:57,448 WARN L205 SmtUtils]: Spent 1.43 s on a formula simplification that was a NOOP. DAG size: 343 [2021-06-02 02:26:59,466 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-02 02:27:01,650 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 346 [2021-06-02 02:27:03,488 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 345 [2021-06-02 02:27:04,923 WARN L205 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-06-02 02:27:06,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:06,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,641 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:06,667 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 77 treesize of output 43 [2021-06-02 02:27:06,670 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:06,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,715 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:06,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:06,721 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 40 [2021-06-02 02:27:06,723 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:14,403 WARN L205 SmtUtils]: Spent 7.68 s on a formula simplification. DAG size of input: 835 DAG size of output: 742 [2021-06-02 02:27:14,405 INFO L628 ElimStorePlain]: treesize reduction 1890, result has 57.6 percent of original size [2021-06-02 02:27:14,437 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:14,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:14,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:14,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:14,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:14,444 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 31 treesize of output 19 [2021-06-02 02:27:14,446 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:17,043 WARN L205 SmtUtils]: Spent 2.60 s on a formula simplification that was a NOOP. DAG size: 729 [2021-06-02 02:27:17,044 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:17,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:17,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:17,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:17,088 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:17,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:17,092 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-02 02:27:17,094 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:19,661 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 715 [2021-06-02 02:27:19,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:19,695 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:19,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:19,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:19,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:19,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:19,701 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 55 treesize of output 31 [2021-06-02 02:27:19,703 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:22,126 WARN L205 SmtUtils]: Spent 2.42 s on a formula simplification that was a NOOP. DAG size: 698 [2021-06-02 02:27:22,126 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:22,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:22,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:22,177 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:22,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:22,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:22,183 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-06-02 02:27:22,187 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:24,667 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 682 [2021-06-02 02:27:24,667 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:24,704 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:24,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:24,707 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:24,708 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:24,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:24,710 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-06-02 02:27:24,713 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:27,011 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification that was a NOOP. DAG size: 668 [2021-06-02 02:27:27,011 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:27,044 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:27,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,052 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:27,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 72 treesize of output 38 [2021-06-02 02:27:27,073 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:27,102 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:27,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:27,108 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 74 treesize of output 40 [2021-06-02 02:27:27,110 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:29,282 WARN L205 SmtUtils]: Spent 2.17 s on a formula simplification that was a NOOP. DAG size: 649 [2021-06-02 02:27:29,282 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:29,319 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:29,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:29,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:29,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:29,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:29,327 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 51 treesize of output 29 [2021-06-02 02:27:29,329 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:31,404 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 632 [2021-06-02 02:27:31,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:31,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:31,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:31,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:31,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:31,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-06-02 02:27:31,439 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:33,509 WARN L205 SmtUtils]: Spent 2.07 s on a formula simplification that was a NOOP. DAG size: 619 [2021-06-02 02:27:33,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:33,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:33,541 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:33,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:33,544 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:33,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:33,546 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 62 treesize of output 34 [2021-06-02 02:27:33,548 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:35,510 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 602 [2021-06-02 02:27:35,510 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:35,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:35,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:35,543 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:35,544 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:35,545 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:35,545 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-02 02:27:35,547 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:37,450 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification that was a NOOP. DAG size: 586 [2021-06-02 02:27:37,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:37,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:37,480 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:37,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:37,482 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:37,483 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:37,484 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-06-02 02:27:37,486 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:39,437 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification that was a NOOP. DAG size: 572 [2021-06-02 02:27:39,437 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:39,471 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:39,473 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:39,475 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:39,476 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:39,478 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:39,479 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 26 [2021-06-02 02:27:39,483 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:41,308 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification that was a NOOP. DAG size: 556 [2021-06-02 02:27:41,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:41,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:41,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:41,338 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:41,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:41,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:41,343 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-06-02 02:27:41,346 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:43,185 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification that was a NOOP. DAG size: 540 [2021-06-02 02:27:43,185 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:43,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:43,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:43,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 27 [2021-06-02 02:27:43,224 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:45,027 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification that was a NOOP. DAG size: 524 [2021-06-02 02:27:45,027 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:45,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,058 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:45,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:45,077 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 88 treesize of output 44 [2021-06-02 02:27:45,079 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:45,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,108 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:45,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:45,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 90 treesize of output 46 [2021-06-02 02:27:45,112 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:46,796 WARN L205 SmtUtils]: Spent 1.68 s on a formula simplification that was a NOOP. DAG size: 502 [2021-06-02 02:27:46,797 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:46,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:46,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:46,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:46,826 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:46,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:46,828 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 80 treesize of output 40 [2021-06-02 02:27:46,829 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:48,494 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 484 [2021-06-02 02:27:48,495 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:48,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:48,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:48,526 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:48,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:48,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:48,530 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 25 [2021-06-02 02:27:48,532 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:50,057 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification that was a NOOP. DAG size: 469 [2021-06-02 02:27:50,058 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:50,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:50,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:50,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:50,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:50,087 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-06-02 02:27:50,089 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:51,578 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-02 02:27:51,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:51,601 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:51,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:51,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:51,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:51,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:51,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 24 [2021-06-02 02:27:51,608 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:53,085 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-02 02:27:53,086 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:53,110 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:53,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:53,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:53,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:53,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:53,116 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-02 02:27:53,118 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:54,530 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 425 [2021-06-02 02:27:54,531 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:54,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:54,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:54,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:54,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:54,556 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:54,557 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 34 [2021-06-02 02:27:54,558 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:55,930 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 408 [2021-06-02 02:27:55,931 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:55,952 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:55,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:55,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:55,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:55,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:55,957 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 21 [2021-06-02 02:27:55,959 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:57,284 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 394 [2021-06-02 02:27:57,285 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:57,306 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:57,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,311 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:57,325 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-02 02:27:57,327 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:57,348 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:57,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:57,354 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-06-02 02:27:57,357 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:58,543 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-02 02:27:58,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:58,565 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:58,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:58,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:58,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:58,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:58,571 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-02 02:27:58,574 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:59,733 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 357 [2021-06-02 02:27:59,733 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:27:59,756 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:59,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,762 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:59,777 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 32 [2021-06-02 02:27:59,779 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-02 02:27:59,799 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:27:59,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:27:59,804 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 53 treesize of output 31 [2021-06-02 02:27:59,805 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:00,852 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification that was a NOOP. DAG size: 337 [2021-06-02 02:28:00,853 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:28:00,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:00,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:00,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:00,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:00,877 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 24 [2021-06-02 02:28:00,879 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:01,885 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 323 [2021-06-02 02:28:01,885 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:28:01,905 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:01,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:01,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:01,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:01,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:01,921 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 30 [2021-06-02 02:28:01,923 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:02,906 WARN L205 SmtUtils]: Spent 982.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-06-02 02:28:02,906 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:28:02,925 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:02,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,930 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:02,945 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-06-02 02:28:02,946 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:02,964 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:02,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:02,969 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 60 treesize of output 34 [2021-06-02 02:28:02,972 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:03,897 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification that was a NOOP. DAG size: 286 [2021-06-02 02:28:03,897 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:28:03,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:03,915 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:03,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:03,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:03,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:03,919 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-02 02:28:03,921 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:04,782 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-06-02 02:28:04,782 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:28:04,798 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:04,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:04,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 30 [2021-06-02 02:28:04,820 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:04,837 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:04,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:04,842 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 29 [2021-06-02 02:28:04,844 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:05,591 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-06-02 02:28:05,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:28:05,606 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:05,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,611 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:05,624 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 61 treesize of output 35 [2021-06-02 02:28:05,640 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:05,664 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-02 02:28:05,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-02 02:28:05,671 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 33 [2021-06-02 02:28:05,673 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-02 02:28:06,382 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 228 [2021-06-02 02:28:06,383 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-02 02:28:06,414 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 12 xjuncts. [2021-06-02 02:28:06,414 INFO L247 ElimStorePlain]: Needed 41 recursive calls to eliminate 96 variables, input treesize:4571, output treesize:175 [2021-06-02 02:28:06,579 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-02 02:28:06,580 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [299475418] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-02 02:28:06,580 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-02 02:28:06,580 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-06-02 02:28:06,580 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191889624] [2021-06-02 02:28:06,580 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-02 02:28:06,581 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-02 02:28:06,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-02 02:28:06,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=115, Invalid=755, Unknown=0, NotChecked=0, Total=870 [2021-06-02 02:28:06,581 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:28:06,581 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-02 02:28:06,582 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 2.4) internal successors, (72), 30 states have internal predecessors, (72), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:28:06,582 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-02 02:28:07,001 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 64 [2021-06-02 02:28:07,461 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 69 [2021-06-02 02:28:07,899 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 77 [2021-06-02 02:28:08,244 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 70 [2021-06-02 02:28:08,639 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 94 [2021-06-02 02:28:14,706 WARN L205 SmtUtils]: Spent 5.91 s on a formula simplification. DAG size of input: 419 DAG size of output: 419 [2021-06-02 02:28:14,988 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-06-02 02:28:15,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-02 02:28:15,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-02 02:28:15,596 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable188 [2021-06-02 02:28:15,597 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-02 02:28:15,597 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-02 02:28:15,597 INFO L82 PathProgramCache]: Analyzing trace with hash 1007081921, now seen corresponding path program 6 times [2021-06-02 02:28:15,597 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-02 02:28:15,597 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1359911161] [2021-06-02 02:28:15,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-02 02:28:15,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-02 02:28:17,853 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 33 [2021-06-02 02:28:18,352 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 143 [2021-06-02 02:28:18,783 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 52 [2021-06-02 02:28:20,963 WARN L205 SmtUtils]: Spent 2.18 s on a formula simplification. DAG size of input: 188 DAG size of output: 286 [2021-06-02 02:28:21,712 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 66 [2021-06-02 02:30:15,910 WARN L205 SmtUtils]: Spent 1.90 m on a formula simplification. DAG size of input: 384 DAG size of output: 713 [2021-06-02 02:30:16,085 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 713 [2021-06-02 02:30:18,983 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 709 DAG size of output: 166 [2021-06-02 02:33:39,732 WARN L205 SmtUtils]: Spent 3.35 m on a formula simplification. DAG size of input: 435 DAG size of output: 486 [2021-06-02 02:33:44,135 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 484 DAG size of output: 282 [2021-06-02 02:37:07,761 WARN L205 SmtUtils]: Spent 3.39 m on a formula simplification. DAG size of input: 438 DAG size of output: 489 [2021-06-02 02:37:11,800 WARN L205 SmtUtils]: Spent 3.87 s on a formula simplification. DAG size of input: 487 DAG size of output: 263 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown