/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 06:44:49,960 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 06:44:49,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 06:44:49,985 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 06:44:50,034 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistent-NoLbe.epf [2021-07-10 06:44:50,053 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 06:44:50,054 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 06:44:50,054 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 06:44:50,054 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 06:44:50,055 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 06:44:50,055 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 06:44:50,056 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 06:44:50,056 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 06:44:50,056 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 06:44:50,056 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 06:44:50,057 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 06:44:50,057 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 06:44:50,057 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 06:44:50,057 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 06:44:50,058 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 06:44:50,058 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 06:44:50,058 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 06:44:50,058 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 06:44:50,058 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 06:44:50,058 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 06:44:50,059 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 06:44:50,059 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 06:44:50,059 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 06:44:50,059 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:44:50,059 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 06:44:50,059 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 06:44:50,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 06:44:50,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 06:44:50,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 06:44:50,060 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 06:44:50,060 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 06:44:50,060 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 06:44:50,060 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-10 06:44:50,061 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 06:44:50,339 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 06:44:50,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 06:44:50,362 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 06:44:50,363 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 06:44:50,365 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 06:44:50,366 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl [2021-07-10 06:44:50,366 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-array-hom.wvr.bpl' [2021-07-10 06:44:50,388 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 06:44:50,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 06:44:50,393 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 06:44:50,393 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 06:44:50,394 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 06:44:50,406 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,414 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,420 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 06:44:50,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 06:44:50,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 06:44:50,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 06:44:50,428 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,428 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,430 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,430 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,434 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,438 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,439 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... [2021-07-10 06:44:50,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 06:44:50,447 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 06:44:50,447 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 06:44:50,447 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 06:44:50,448 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 06:44:50,527 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 06:44:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 06:44:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 06:44:50,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 06:44:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 06:44:50,528 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 06:44:50,528 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 06:44:50,528 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 06:44:50,529 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 06:44:50,530 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 06:44:50,530 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 06:44:50,531 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 06:44:50,531 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 06:44:50,778 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 06:44:50,779 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 06:44:50,781 INFO L202 PluginConnector]: Adding new model min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:44:50 BoogieIcfgContainer [2021-07-10 06:44:50,781 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 06:44:50,782 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 06:44:50,782 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 06:44:50,784 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 06:44:50,785 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 06:44:50" (1/2) ... [2021-07-10 06:44:50,785 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@293ac926 and model type min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 06:44:50, skipping insertion in model container [2021-07-10 06:44:50,786 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-array-hom.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 06:44:50" (2/2) ... [2021-07-10 06:44:50,787 INFO L111 eAbstractionObserver]: Analyzing ICFG min-array-hom.wvr.bpl [2021-07-10 06:44:50,791 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 06:44:50,791 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 06:44:50,791 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 06:44:50,792 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 06:44:50,867 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 06:44:50,885 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 06:44:50,941 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 06:44:50,941 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 06:44:50,942 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 06:44:50,942 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 06:44:50,942 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 06:44:50,942 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 06:44:50,942 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 06:44:50,942 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 06:44:50,997 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:51,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:51,002 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-10 06:44:51,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:51,009 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1742179305] [2021-07-10 06:44:51,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:51,173 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:51,173 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:51,174 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1742179305] [2021-07-10 06:44:51,175 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1742179305] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:44:51,175 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:44:51,175 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-10 06:44:51,176 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1755939927] [2021-07-10 06:44:51,180 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 06:44:51,180 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:51,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 06:44:51,190 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 06:44:51,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:51,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:51,192 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 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) [2021-07-10 06:44:51,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:51,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:51,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 06:44:51,223 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:51,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:51,229 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-10 06:44:51,229 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:51,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2105459107] [2021-07-10 06:44:51,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:51,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:51,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:44:51,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:51,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2105459107] [2021-07-10 06:44:51,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2105459107] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 06:44:51,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 06:44:51,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-10 06:44:51,283 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1434110309] [2021-07-10 06:44:51,284 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 06:44:51,284 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:51,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 06:44:51,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 06:44:51,285 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:51,285 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:51,285 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) [2021-07-10 06:44:51,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:51,285 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:51,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:51,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:51,337 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-10 06:44:51,338 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:51,338 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:51,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-10 06:44:51,338 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:51,338 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [700318957] [2021-07-10 06:44:51,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:51,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:51,839 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:51,839 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:51,839 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [700318957] [2021-07-10 06:44:51,839 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [700318957] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:51,840 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1380278438] [2021-07-10 06:44:51,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:51,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:51,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-10 06:44:51,950 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:52,410 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-10 06:44:52,411 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 06:44:52,424 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,428 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-07-10 06:44:52,429 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,432 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-10 06:44:52,433 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-10 06:44:52,438 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,441 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-07-10 06:44:52,443 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,446 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-10 06:44:52,447 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,450 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 12 [2021-07-10 06:44:52,451 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:52,488 INFO L628 ElimStorePlain]: treesize reduction 24, result has 61.9 percent of original size [2021-07-10 06:44:52,492 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-10 06:44:52,492 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:239, output treesize:23 [2021-07-10 06:44:52,550 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:52,551 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1380278438] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:52,551 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:52,551 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 06:44:52,551 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208793856] [2021-07-10 06:44:52,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:44:52,553 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:52,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:44:52,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:44:52,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:52,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:52,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 3.1666666666666665) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:44:52,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:52,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:52,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:52,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:52,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:52,729 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:52,953 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:52,953 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:52,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:52,953 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-10 06:44:52,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:52,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17257357] [2021-07-10 06:44:52,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:53,018 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:53,018 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:53,018 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17257357] [2021-07-10 06:44:53,019 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17257357] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:53,019 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1095920680] [2021-07-10 06:44:53,019 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:53,066 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:44:53,066 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:44:53,067 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:44:53,068 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:53,223 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:53,223 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1095920680] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:53,223 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:53,224 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-10 06:44:53,224 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343774809] [2021-07-10 06:44:53,224 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 06:44:53,224 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:53,225 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 06:44:53,225 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-10 06:44:53,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:53,225 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:53,225 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) [2021-07-10 06:44:53,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:53,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:53,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:53,226 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:53,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:53,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:53,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-10 06:44:53,653 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:53,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:53,653 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-10 06:44:53,654 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:53,654 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541786869] [2021-07-10 06:44:53,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:53,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:53,720 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:44:53,721 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:53,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541786869] [2021-07-10 06:44:53,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541786869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:53,721 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769602229] [2021-07-10 06:44:53,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:53,760 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-10 06:44:53,761 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:44:53,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769602229] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:53,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:44:53,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-10 06:44:53,853 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1664094824] [2021-07-10 06:44:53,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-10 06:44:53,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:44:53,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-10 06:44:53,854 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-10 06:44:53,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:53,855 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:44:53,855 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 11 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:44:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:53,855 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:44:53,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:44:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:44:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:44:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:44:53,959 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:44:54,160 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:54,161 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:44:54,161 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:44:54,161 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-10 06:44:54,162 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:44:54,162 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [246806165] [2021-07-10 06:44:54,162 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:44:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:44:54,876 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-07-10 06:44:55,188 WARN L205 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-07-10 06:44:55,509 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-07-10 06:44:55,718 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-10 06:44:55,919 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-10 06:44:56,094 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:44:56,094 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:44:56,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [246806165] [2021-07-10 06:44:56,094 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [246806165] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:44:56,094 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1558608177] [2021-07-10 06:44:56,094 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:44:56,135 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 06:44:56,136 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:44:56,136 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-10 06:44:56,138 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:44:57,683 WARN L205 SmtUtils]: Spent 497.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-10 06:44:59,097 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_43, v_prenex_41, v_prenex_25, v_prenex_35, v_prenex_45, v_prenex_29, v_prenex_18, v_prenex_39, v_prenex_16, v_prenex_27], 10=[v_prenex_31, v_prenex_20, v_prenex_23, v_prenex_33, v_prenex_37]} [2021-07-10 06:44:59,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,239 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:44:59,239 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 51 treesize of output 57 [2021-07-10 06:44:59,251 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:44:59,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:44:59,360 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-10 06:44:59,361 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 46 treesize of output 34 [2021-07-10 06:44:59,364 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:03,069 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 372 DAG size of output: 371 [2021-07-10 06:45:03,070 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-10 06:45:03,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,215 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:45:03,215 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 49 treesize of output 57 [2021-07-10 06:45:03,226 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:03,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:03,293 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:45:03,293 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 44 treesize of output 36 [2021-07-10 06:45:03,301 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:05,302 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-10 06:45:05,302 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:05,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,439 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:05,439 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 49 treesize of output 69 [2021-07-10 06:45:05,451 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:05,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:05,567 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-07-10 06:45:05,567 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 44 treesize of output 62 [2021-07-10 06:45:05,589 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:07,415 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification that was a NOOP. DAG size: 353 [2021-07-10 06:45:07,415 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:07,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:07,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:07,501 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:45:07,501 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 39 [2021-07-10 06:45:07,517 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:07,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:07,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:07,600 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 06:45:07,601 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 40 treesize of output 42 [2021-07-10 06:45:07,607 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:09,265 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 341 [2021-07-10 06:45:09,265 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:09,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:09,295 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:09,366 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 06:45:09,366 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 47 treesize of output 53 [2021-07-10 06:45:09,382 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:09,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:09,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:09,461 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-07-10 06:45:09,461 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 42 treesize of output 40 [2021-07-10 06:45:09,468 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:11,128 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification that was a NOOP. DAG size: 332 [2021-07-10 06:45:11,129 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:11,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:11,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:11,249 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 06:45:11,249 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 46 treesize of output 48 [2021-07-10 06:45:11,265 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:11,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:11,297 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:11,353 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:45:11,353 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 51 treesize of output 57 [2021-07-10 06:45:11,371 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:12,927 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification that was a NOOP. DAG size: 324 [2021-07-10 06:45:12,927 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:12,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:12,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,028 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:45:13,028 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 49 treesize of output 57 [2021-07-10 06:45:13,037 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:13,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,073 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:13,112 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:45:13,112 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 44 treesize of output 36 [2021-07-10 06:45:13,114 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:14,642 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 311 [2021-07-10 06:45:14,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:14,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:14,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:14,740 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-10 06:45:14,741 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 42 treesize of output 54 [2021-07-10 06:45:14,757 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:14,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:14,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:14,846 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-10 06:45:14,846 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 47 treesize of output 53 [2021-07-10 06:45:14,851 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:16,291 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 300 [2021-07-10 06:45:16,291 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:16,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:16,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:16,364 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-10 06:45:16,365 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 46 treesize of output 38 [2021-07-10 06:45:16,367 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:16,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:16,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:16,426 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 06:45:16,426 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 51 treesize of output 45 [2021-07-10 06:45:16,428 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:17,800 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 06:45:17,801 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:17,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,883 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-10 06:45:17,883 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 44 treesize of output 48 [2021-07-10 06:45:17,896 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:17,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:17,970 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:17,970 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 49 treesize of output 69 [2021-07-10 06:45:17,983 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:20,607 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2021-07-10 06:45:20,608 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-07-10 06:45:20,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,690 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-10 06:45:20,690 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 46 treesize of output 36 [2021-07-10 06:45:20,701 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:20,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:20,760 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-10 06:45:20,761 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 51 treesize of output 45 [2021-07-10 06:45:20,767 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:21,993 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 263 [2021-07-10 06:45:21,995 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:22,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,068 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-07-10 06:45:22,068 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 39 treesize of output 53 [2021-07-10 06:45:22,093 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:22,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:22,171 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 06:45:22,171 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 44 treesize of output 54 [2021-07-10 06:45:22,178 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:23,363 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 255 [2021-07-10 06:45:23,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:23,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,425 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:23,425 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 32 treesize of output 66 [2021-07-10 06:45:23,448 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:23,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,469 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:23,510 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-07-10 06:45:23,511 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-07-10 06:45:23,515 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:24,660 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 241 [2021-07-10 06:45:24,661 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:24,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,721 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-07-10 06:45:24,723 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 44 treesize of output 40 [2021-07-10 06:45:24,725 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:24,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:24,788 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 06:45:24,788 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 39 treesize of output 41 [2021-07-10 06:45:24,801 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:25,915 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 233 [2021-07-10 06:45:25,918 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:25,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:25,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:25,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:25,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:25,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:25,981 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 06:45:25,981 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 43 treesize of output 41 [2021-07-10 06:45:25,998 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:26,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:26,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:26,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:26,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:26,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:26,063 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 06:45:26,063 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 48 treesize of output 54 [2021-07-10 06:45:26,079 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:27,139 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 221 [2021-07-10 06:45:27,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:27,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,205 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-10 06:45:27,205 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-07-10 06:45:27,213 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:27,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,232 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,233 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,239 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:45:27,265 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-10 06:45:27,266 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 43 treesize of output 41 [2021-07-10 06:45:27,274 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:45:28,271 WARN L205 SmtUtils]: Spent 995.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-07-10 06:45:28,271 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:45:28,562 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-10 06:45:28,563 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2349 [2021-07-10 06:45:29,424 WARN L205 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-07-10 06:45:29,584 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:29,585 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1558608177] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:29,585 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:45:29,585 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-10 06:45:29,585 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735745199] [2021-07-10 06:45:29,585 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-10 06:45:29,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:29,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-10 06:45:29,586 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-07-10 06:45:29,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:29,587 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:29,587 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) [2021-07-10 06:45:29,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:29,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:29,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:29,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:29,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:29,587 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:29,770 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2021-07-10 06:45:30,026 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 53 [2021-07-10 06:45:30,280 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-07-10 06:45:30,512 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-07-10 06:45:30,965 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2021-07-10 06:45:31,200 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-07-10 06:45:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:31,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:31,288 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:45:31,488 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 06:45:31,489 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:31,489 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:31,489 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-10 06:45:31,489 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:31,489 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482083450] [2021-07-10 06:45:31,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:31,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:31,581 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:31,582 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:31,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482083450] [2021-07-10 06:45:31,582 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482083450] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:31,582 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [365043482] [2021-07-10 06:45:31,582 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:45:31,621 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 06:45:31,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:45:31,622 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:45:31,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:31,782 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:31,783 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [365043482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:31,783 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:45:31,783 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-10 06:45:31,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597329021] [2021-07-10 06:45:31,784 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 06:45:31,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:31,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 06:45:31,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-10 06:45:31,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:31,784 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:31,785 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) [2021-07-10 06:45:31,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:31,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:31,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:31,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:31,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:31,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:45:31,785 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:32,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:45:32,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:45:32,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-07-10 06:45:32,425 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:32,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:32,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-10 06:45:32,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:32,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242786009] [2021-07-10 06:45:32,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:32,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:32,522 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:45:32,523 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:32,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242786009] [2021-07-10 06:45:32,523 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242786009] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:32,523 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1688719610] [2021-07-10 06:45:32,523 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:45:32,562 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 06:45:32,563 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:45:32,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-10 06:45:32,565 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:32,681 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 06:45:32,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1688719610] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:32,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:45:32,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-10 06:45:32,682 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [488684597] [2021-07-10 06:45:32,682 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-10 06:45:32,682 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:45:32,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-10 06:45:32,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-10 06:45:32,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:32,682 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:45:32,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.9411764705882355) internal successors, (50), 17 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:45:32,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:45:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:45:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:45:32,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:45:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:45:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:45:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:45:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:45:32,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:45:33,087 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-07-10 06:45:33,087 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:45:33,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:45:33,087 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-10 06:45:33,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:45:33,087 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [787326688] [2021-07-10 06:45:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:45:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:45:34,174 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-10 06:45:34,435 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2021-07-10 06:45:34,630 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2021-07-10 06:45:35,016 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-10 06:45:35,397 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2021-07-10 06:45:36,335 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 100 [2021-07-10 06:45:36,691 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-10 06:45:37,736 WARN L205 SmtUtils]: Spent 993.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 131 [2021-07-10 06:45:38,089 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 215 [2021-07-10 06:45:39,091 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-07-10 06:45:39,372 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 196 [2021-07-10 06:45:40,509 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 196 DAG size of output: 129 [2021-07-10 06:45:40,621 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 163 [2021-07-10 06:45:41,061 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 76 [2021-07-10 06:45:41,339 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2021-07-10 06:45:41,622 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2021-07-10 06:45:41,793 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:45:41,793 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:45:41,793 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [787326688] [2021-07-10 06:45:41,793 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [787326688] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:45:41,794 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2054217640] [2021-07-10 06:45:41,794 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:45:41,845 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 06:45:41,845 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:45:41,846 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-10 06:45:41,847 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:45:42,321 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-07-10 06:45:43,849 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-10 06:45:45,528 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 322 [2021-07-10 06:45:49,081 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 360 DAG size of output: 326 [2021-07-10 06:45:52,741 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 366 DAG size of output: 330 [2021-07-10 06:45:56,517 WARN L205 SmtUtils]: Spent 2.91 s on a formula simplification. DAG size of input: 372 DAG size of output: 334 [2021-07-10 06:45:58,100 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 333 [2021-07-10 06:46:00,524 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-07-10 06:46:01,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,816 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:01,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,827 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:01,847 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 22 [2021-07-10 06:46:01,850 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:01,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,902 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:01,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:01,905 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 36 treesize of output 22 [2021-07-10 06:46:01,906 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:09,120 WARN L205 SmtUtils]: Spent 7.21 s on a formula simplification. DAG size of input: 761 DAG size of output: 696 [2021-07-10 06:46:09,121 INFO L628 ElimStorePlain]: treesize reduction 1144, result has 69.2 percent of original size [2021-07-10 06:46:09,153 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:09,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:09,174 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 47 treesize of output 25 [2021-07-10 06:46:09,176 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:09,209 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,210 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:09,213 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 40 treesize of output 22 [2021-07-10 06:46:09,215 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:11,970 WARN L205 SmtUtils]: Spent 2.75 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-10 06:46:11,970 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:12,017 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:12,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:12,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:12,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:12,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:12,026 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 25 [2021-07-10 06:46:12,028 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:14,990 WARN L205 SmtUtils]: Spent 2.96 s on a formula simplification that was a NOOP. DAG size: 670 [2021-07-10 06:46:14,991 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:15,018 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:15,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:15,058 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 [2021-07-10 06:46:15,060 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:15,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:15,109 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 40 treesize of output 22 [2021-07-10 06:46:15,111 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:18,050 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-10 06:46:18,051 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:18,083 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:18,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,086 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,088 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,090 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:18,110 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 52 treesize of output 28 [2021-07-10 06:46:18,112 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:18,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:18,145 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-07-10 06:46:18,149 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:20,845 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification that was a NOOP. DAG size: 641 [2021-07-10 06:46:20,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:20,870 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:20,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:20,877 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 47 treesize of output 25 [2021-07-10 06:46:20,878 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:23,567 WARN L205 SmtUtils]: Spent 2.69 s on a formula simplification that was a NOOP. DAG size: 627 [2021-07-10 06:46:23,568 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:23,595 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:23,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:23,601 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 25 [2021-07-10 06:46:23,603 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:26,142 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification that was a NOOP. DAG size: 612 [2021-07-10 06:46:26,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:26,179 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:26,181 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:26,185 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 25 [2021-07-10 06:46:26,187 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:28,710 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification that was a NOOP. DAG size: 599 [2021-07-10 06:46:28,710 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:28,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,762 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 22 [2021-07-10 06:46:28,764 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:28,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:28,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:28,794 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 28 [2021-07-10 06:46:28,796 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:31,131 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification that was a NOOP. DAG size: 582 [2021-07-10 06:46:31,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:31,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:31,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:31,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:31,159 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:31,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:31,161 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 25 [2021-07-10 06:46:31,164 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:33,270 WARN L205 SmtUtils]: Spent 2.11 s on a formula simplification that was a NOOP. DAG size: 568 [2021-07-10 06:46:33,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:33,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,324 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 22 [2021-07-10 06:46:33,326 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:33,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,353 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:33,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:33,355 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 28 [2021-07-10 06:46:33,356 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:35,479 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-10 06:46:35,479 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:35,504 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:35,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:35,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:35,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:35,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:35,511 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 47 treesize of output 25 [2021-07-10 06:46:35,512 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:37,511 WARN L205 SmtUtils]: Spent 2.00 s on a formula simplification that was a NOOP. DAG size: 538 [2021-07-10 06:46:37,511 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:37,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:37,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:37,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:37,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:37,539 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:37,540 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 25 [2021-07-10 06:46:37,548 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:39,470 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification that was a NOOP. DAG size: 523 [2021-07-10 06:46:39,471 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:39,493 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:39,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,498 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:39,513 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 25 [2021-07-10 06:46:39,515 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:39,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:39,542 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 38 treesize of output 22 [2021-07-10 06:46:39,544 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:41,391 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 506 [2021-07-10 06:46:41,392 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:41,415 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:41,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,420 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:41,435 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 28 [2021-07-10 06:46:41,437 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:41,460 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,461 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,463 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:41,463 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 38 treesize of output 22 [2021-07-10 06:46:41,468 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:43,192 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 489 [2021-07-10 06:46:43,192 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,220 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,236 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:43,240 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 43 treesize of output 25 [2021-07-10 06:46:43,242 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:43,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:43,272 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 36 treesize of output 22 [2021-07-10 06:46:43,274 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:44,923 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-10 06:46:44,924 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:44,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,964 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 22 [2021-07-10 06:46:44,966 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:44,986 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:44,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:44,991 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 28 [2021-07-10 06:46:44,992 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:46,531 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-10 06:46:46,532 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:46,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,555 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,556 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,571 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 40 treesize of output 22 [2021-07-10 06:46:46,573 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:46,597 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,598 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:46,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:46,612 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 [2021-07-10 06:46:46,615 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:48,039 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-10 06:46:48,039 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:48,060 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:48,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:48,079 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 28 [2021-07-10 06:46:48,081 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:48,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:48,105 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 22 [2021-07-10 06:46:48,109 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:49,432 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 421 [2021-07-10 06:46:49,432 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:49,432 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-10 06:46:49,451 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:49,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:49,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:49,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:49,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:49,456 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 25 [2021-07-10 06:46:49,457 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:50,744 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification that was a NOOP. DAG size: 406 [2021-07-10 06:46:50,745 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:50,763 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:50,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:50,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:50,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:50,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:50,768 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 25 [2021-07-10 06:46:50,770 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:52,042 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-10 06:46:52,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:52,061 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:52,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,065 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,065 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:52,078 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 28 [2021-07-10 06:46:52,079 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:52,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:52,102 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 22 [2021-07-10 06:46:52,104 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:53,243 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 374 [2021-07-10 06:46:53,244 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:53,261 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:53,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,266 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:53,277 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 28 [2021-07-10 06:46:53,279 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:53,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:53,301 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 22 [2021-07-10 06:46:53,303 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:54,362 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 357 [2021-07-10 06:46:54,362 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:54,382 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:54,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,385 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:54,398 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 25 [2021-07-10 06:46:54,399 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:54,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:54,422 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 22 [2021-07-10 06:46:54,424 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:55,421 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-10 06:46:55,422 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:55,438 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:55,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:55,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:55,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:55,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:55,442 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 47 treesize of output 25 [2021-07-10 06:46:55,444 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:56,413 WARN L205 SmtUtils]: Spent 968.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-10 06:46:56,414 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:56,430 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:56,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:56,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:56,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:56,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:56,434 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 47 treesize of output 25 [2021-07-10 06:46:56,436 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:57,353 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-10 06:46:57,353 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:57,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,371 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,379 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:57,386 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 28 [2021-07-10 06:46:57,392 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:57,408 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:57,413 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 22 [2021-07-10 06:46:57,416 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:58,246 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-10 06:46:58,246 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:58,274 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:58,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,277 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:58,280 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 25 [2021-07-10 06:46:58,282 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:59,114 WARN L205 SmtUtils]: Spent 831.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-07-10 06:46:59,115 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:59,129 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:59,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,133 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 43 treesize of output 25 [2021-07-10 06:46:59,135 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-10 06:46:59,908 WARN L205 SmtUtils]: Spent 772.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-10 06:46:59,908 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:46:59,922 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:46:59,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:46:59,926 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 25 [2021-07-10 06:46:59,928 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:00,672 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-10 06:47:00,674 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:00,687 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 06:47:00,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 06:47:00,691 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 25 [2021-07-10 06:47:00,692 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-10 06:47:01,401 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-10 06:47:01,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 06:47:01,435 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-10 06:47:01,435 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3798, output treesize:266 [2021-07-10 06:47:01,617 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:47:01,617 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2054217640] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:47:01,617 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:47:01,618 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-10 06:47:01,618 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163488126] [2021-07-10 06:47:01,618 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-10 06:47:01,618 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:47:01,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-10 06:47:01,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2021-07-10 06:47:01,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:01,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:47:01,621 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) [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:47:01,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:02,144 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-07-10 06:47:02,538 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-07-10 06:47:02,835 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-07-10 06:47:03,263 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-07-10 06:47:04,365 WARN L205 SmtUtils]: Spent 947.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 74 [2021-07-10 06:47:05,703 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 429 DAG size of output: 87 [2021-07-10 06:47:09,468 WARN L205 SmtUtils]: Spent 3.63 s on a formula simplification. DAG size of input: 391 DAG size of output: 161 [2021-07-10 06:47:14,741 WARN L205 SmtUtils]: Spent 5.14 s on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-07-10 06:47:15,088 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-10 06:47:15,550 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-10 06:47:16,047 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:47:16,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 06:47:16,278 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280 [2021-07-10 06:47:16,278 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:47:16,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:47:16,279 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-10 06:47:16,279 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:47:16,279 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482540930] [2021-07-10 06:47:16,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:47:16,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:47:16,412 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:47:16,412 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 06:47:16,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482540930] [2021-07-10 06:47:16,412 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482540930] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:47:16,412 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [804572707] [2021-07-10 06:47:16,412 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:47:16,464 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-10 06:47:16,464 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 06:47:16,465 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 06:47:16,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 06:47:16,728 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 06:47:16,729 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [804572707] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 06:47:16,729 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 06:47:16,729 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-10 06:47:16,729 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259049660] [2021-07-10 06:47:16,729 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-10 06:47:16,729 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 06:47:16,730 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-10 06:47:16,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-10 06:47:16,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:16,730 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 06:47:16,731 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 06:47:16,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 06:47:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 06:47:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 06:47:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 06:47:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 06:47:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 06:47:17,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 06:47:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:47:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-10 06:47:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 06:47:17,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-10 06:47:17,225 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 06:47:17,226 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 06:47:17,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 06:47:17,226 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-10 06:47:17,226 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 06:47:17,226 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [558453279] [2021-07-10 06:47:17,226 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 06:47:17,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 06:47:20,476 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2021-07-10 06:47:20,804 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 106 [2021-07-10 06:47:20,981 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 42 [2021-07-10 06:48:03,118 WARN L205 SmtUtils]: Spent 42.13 s on a formula simplification. DAG size of input: 294 DAG size of output: 229 [2021-07-10 06:48:12,232 WARN L205 SmtUtils]: Spent 9.11 s on a formula simplification. DAG size of input: 229 DAG size of output: 229 [2021-07-10 06:48:12,783 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 68 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown