/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-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 11:28:45,534 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 11:28:45,537 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 11:28:45,720 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 11:28:45,777 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 11:28:45,777 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 11:28:45,778 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 11:28:45,782 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 [2021-07-14 11:28:45,811 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 11:28:45,812 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 11:28:45,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 11:28:45,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 11:28:45,815 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 11:28:45,815 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 11:28:45,815 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 11:28:45,815 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 11:28:45,816 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 11:28:45,816 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 11:28:45,816 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 11:28:45,817 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 11:28:45,817 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 11:28:45,817 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 11:28:45,817 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 11:28:45,817 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 11:28:45,817 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 11:28:45,817 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 11:28:45,818 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 11:28:45,818 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 11:28:45,818 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 11:28:45,818 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 11:28:45,818 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 11:28:45,818 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:28:45,818 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 11:28:45,819 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 11:28:45,819 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 11:28:45,819 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 11:28:45,819 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 11:28:45,819 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 11:28:45,819 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 11:28:45,819 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 11:28:45,820 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-07-14 11:28:45,820 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 11:28:46,106 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 11:28:46,149 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 11:28:46,151 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 11:28:46,152 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 11:28:46,154 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 11:28:46,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-07-14 11:28:46,155 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-07-14 11:28:46,188 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 11:28:46,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 11:28:46,190 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 11:28:46,190 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 11:28:46,190 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 11:28:46,203 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,211 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,220 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 11:28:46,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 11:28:46,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 11:28:46,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 11:28:46,229 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,230 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,230 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,233 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,235 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,236 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... [2021-07-14 11:28:46,237 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 11:28:46,238 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 11:28:46,238 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 11:28:46,238 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 11:28:46,239 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 11:28:46,306 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 11:28:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 11:28:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 11:28:46,307 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 11:28:46,307 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 11:28:46,307 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 11:28:46,308 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 11:28:46,308 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 11:28:46,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 11:28:46,309 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 11:28:46,309 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 11:28:46,310 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 11:28:46,310 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 11:28:46,465 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 11:28:46,465 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 11:28:46,467 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:28:46 BoogieIcfgContainer [2021-07-14 11:28:46,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 11:28:46,469 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 11:28:46,469 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 11:28:46,471 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 11:28:46,472 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:28:46" (1/2) ... [2021-07-14 11:28:46,472 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@52677846 and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:28:46, skipping insertion in model container [2021-07-14 11:28:46,473 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:28:46" (2/2) ... [2021-07-14 11:28:46,474 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-07-14 11:28:46,478 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 11:28:46,479 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 11:28:46,479 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 11:28:46,479 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 11:28:46,510 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 11:28:46,530 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 11:28:46,608 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 11:28:46,609 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 11:28:46,609 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 11:28:46,609 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 11:28:46,609 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 11:28:46,609 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 11:28:46,609 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 11:28:46,610 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 11:28:46,727 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:46,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:46,735 INFO L82 PathProgramCache]: Analyzing trace with hash 107147796, now seen corresponding path program 1 times [2021-07-14 11:28:46,742 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:46,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144734226] [2021-07-14 11:28:46,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:46,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:46,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:46,972 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:46,973 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144734226] [2021-07-14 11:28:46,973 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144734226] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:28:46,973 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:28:46,974 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 11:28:46,974 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1731030203] [2021-07-14 11:28:46,978 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 11:28:46,978 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:28:46,991 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 11:28:46,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 11:28:46,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:46,997 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:28:47,001 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) [2021-07-14 11:28:47,001 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:47,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:47,038 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 11:28:47,038 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:47,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:47,041 INFO L82 PathProgramCache]: Analyzing trace with hash 597095090, now seen corresponding path program 1 times [2021-07-14 11:28:47,041 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:47,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1949140715] [2021-07-14 11:28:47,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:47,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:47,117 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:28:47,117 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:47,117 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1949140715] [2021-07-14 11:28:47,118 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1949140715] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 11:28:47,118 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 11:28:47,118 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-14 11:28:47,118 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911205922] [2021-07-14 11:28:47,119 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 11:28:47,120 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:28:47,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 11:28:47,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 11:28:47,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:47,124 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:28:47,124 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) [2021-07-14 11:28:47,124 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:47,125 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:47,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:47,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:47,165 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 11:28:47,165 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:47,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:47,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1592437936, now seen corresponding path program 1 times [2021-07-14 11:28:47,166 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:47,166 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653857869] [2021-07-14 11:28:47,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:47,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:47,634 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:47,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:47,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653857869] [2021-07-14 11:28:47,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [653857869] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:47,635 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [535784468] [2021-07-14 11:28:47,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:47,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:47,692 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 11:28:47,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:28:48,050 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 [2021-07-14 11:28:48,051 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,060 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 [2021-07-14 11:28:48,062 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,067 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 [2021-07-14 11:28:48,077 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,081 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 [2021-07-14 11:28:48,083 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,090 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 [2021-07-14 11:28:48,093 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,105 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 [2021-07-14 11:28:48,110 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,115 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 [2021-07-14 11:28:48,121 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,124 WARN L234 Elim1Store]: Array PQE input equivalent to false [2021-07-14 11:28:48,125 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:48,168 INFO L628 ElimStorePlain]: treesize reduction 24, result has 61.9 percent of original size [2021-07-14 11:28:48,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-07-14 11:28:48,174 INFO L247 ElimStorePlain]: Needed 9 recursive calls to eliminate 2 variables, input treesize:239, output treesize:23 [2021-07-14 11:28:48,233 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:48,234 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [535784468] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:48,234 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:28:48,234 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 11:28:48,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442184056] [2021-07-14 11:28:48,236 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:28:48,236 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:28:48,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:28:48,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:28:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:48,237 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:28:48,238 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) [2021-07-14 11:28:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:48,238 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:48,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:48,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:48,449 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:48,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:48,665 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:48,665 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:48,665 INFO L82 PathProgramCache]: Analyzing trace with hash 217830638, now seen corresponding path program 2 times [2021-07-14 11:28:48,666 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:48,666 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [508244837] [2021-07-14 11:28:48,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:48,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:48,734 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:48,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:48,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [508244837] [2021-07-14 11:28:48,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [508244837] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:48,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1262725316] [2021-07-14 11:28:48,735 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:48,779 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:28:48,779 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:28:48,780 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:28:48,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:28:48,928 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:48,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1262725316] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:48,929 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:28:48,929 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-07-14 11:28:48,929 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1194526756] [2021-07-14 11:28:48,931 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-14 11:28:48,931 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:28:48,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-14 11:28:48,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-07-14 11:28:48,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:48,934 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:28:48,934 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) [2021-07-14 11:28:48,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:48,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:48,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:48,934 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:49,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:49,153 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:49,368 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 11:28:49,369 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:49,369 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:49,369 INFO L82 PathProgramCache]: Analyzing trace with hash -537545550, now seen corresponding path program 1 times [2021-07-14 11:28:49,370 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:49,370 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1112268216] [2021-07-14 11:28:49,370 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:49,423 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:28:49,423 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:49,423 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1112268216] [2021-07-14 11:28:49,424 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1112268216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:49,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1371410644] [2021-07-14 11:28:49,424 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 [2021-07-14 11:28:49,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:49,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 11:28:49,469 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:28:49,556 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:28:49,557 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1371410644] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:49,557 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:28:49,557 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-07-14 11:28:49,557 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800302825] [2021-07-14 11:28:49,557 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 11:28:49,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:28:49,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 11:28:49,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-07-14 11:28:49,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:49,558 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:28:49,558 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) [2021-07-14 11:28:49,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:49,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:49,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:49,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:49,559 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:28:49,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:28:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:28:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:28:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:28:49,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:28:49,888 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:28:49,889 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:28:49,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:28:49,889 INFO L82 PathProgramCache]: Analyzing trace with hash -246413360, now seen corresponding path program 2 times [2021-07-14 11:28:49,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:28:49,890 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1967881417] [2021-07-14 11:28:49,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:28:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:28:50,584 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 58 [2021-07-14 11:28:50,893 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 66 [2021-07-14 11:28:51,211 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 61 [2021-07-14 11:28:51,418 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 52 [2021-07-14 11:28:51,632 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 50 [2021-07-14 11:28:51,795 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:28:51,795 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:28:51,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1967881417] [2021-07-14 11:28:51,795 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1967881417] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:28:51,795 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481604548] [2021-07-14 11:28:51,796 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 [2021-07-14 11:28:51,855 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 11:28:51,855 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:28:51,856 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-07-14 11:28:51,857 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:28:53,478 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-07-14 11:28:55,077 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]} [2021-07-14 11:28:55,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:55,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:55,195 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 11:28:55,196 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 [2021-07-14 11:28:55,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:55,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:55,244 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:55,286 INFO L354 Elim1Store]: treesize reduction 32, result has 28.9 percent of original size [2021-07-14 11:28:55,286 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 [2021-07-14 11:28:55,289 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:58,888 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 372 DAG size of output: 371 [2021-07-14 11:28:58,890 INFO L628 ElimStorePlain]: treesize reduction 5, result has 99.8 percent of original size [2021-07-14 11:28:58,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:58,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,047 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 11:28:59,048 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 [2021-07-14 11:28:59,059 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:28:59,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:28:59,124 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 11:28:59,125 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 [2021-07-14 11:28:59,128 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:00,878 WARN L205 SmtUtils]: Spent 1.75 s on a formula simplification that was a NOOP. DAG size: 364 [2021-07-14 11:29:00,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:00,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:00,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:00,970 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:00,970 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 [2021-07-14 11:29:00,989 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:01,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:01,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:01,078 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-07-14 11:29:01,079 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 [2021-07-14 11:29:01,113 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:02,741 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 353 [2021-07-14 11:29:02,741 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:02,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,772 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,826 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 11:29:02,826 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 [2021-07-14 11:29:02,830 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:02,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:02,903 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 11:29:02,903 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 [2021-07-14 11:29:02,912 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:04,561 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification that was a NOOP. DAG size: 341 [2021-07-14 11:29:04,561 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:04,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:04,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:04,656 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-14 11:29:04,656 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 [2021-07-14 11:29:04,668 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:04,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:04,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:04,732 INFO L354 Elim1Store]: treesize reduction 26, result has 42.2 percent of original size [2021-07-14 11:29:04,733 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 [2021-07-14 11:29:04,747 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:06,328 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification that was a NOOP. DAG size: 332 [2021-07-14 11:29:06,328 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:06,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:06,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:06,411 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-14 11:29:06,411 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 [2021-07-14 11:29:06,427 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:06,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:06,474 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:06,537 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 11:29:06,538 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 [2021-07-14 11:29:06,552 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:08,063 WARN L205 SmtUtils]: Spent 1.51 s on a formula simplification that was a NOOP. DAG size: 324 [2021-07-14 11:29:08,063 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:08,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,159 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 11:29:08,160 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 [2021-07-14 11:29:08,179 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:08,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:08,257 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 11:29:08,258 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 [2021-07-14 11:29:08,261 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:09,861 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 311 [2021-07-14 11:29:09,862 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:09,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:09,953 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-07-14 11:29:09,953 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 [2021-07-14 11:29:09,963 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:09,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:09,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:10,053 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-07-14 11:29:10,053 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-07-14 11:29:10,058 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:11,543 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 300 [2021-07-14 11:29:11,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:11,559 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:11,565 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:11,606 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-07-14 11:29:11,606 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 [2021-07-14 11:29:11,608 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:11,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:11,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:11,684 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 11:29:11,684 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 [2021-07-14 11:29:11,687 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:13,023 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 11:29:13,023 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:13,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:13,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:13,100 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-07-14 11:29:13,100 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 [2021-07-14 11:29:13,109 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:13,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:13,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:13,163 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:13,163 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 [2021-07-14 11:29:13,174 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:15,668 WARN L205 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 281 DAG size of output: 275 [2021-07-14 11:29:15,669 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.2 percent of original size [2021-07-14 11:29:15,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,732 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-07-14 11:29:15,732 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 [2021-07-14 11:29:15,735 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:15,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:15,802 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-07-14 11:29:15,802 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 [2021-07-14 11:29:15,807 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:16,997 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification that was a NOOP. DAG size: 263 [2021-07-14 11:29:16,997 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,071 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-07-14 11:29:17,071 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 [2021-07-14 11:29:17,082 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:17,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:17,152 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 11:29:17,152 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 [2021-07-14 11:29:17,159 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:18,306 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 255 [2021-07-14 11:29:18,307 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:18,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,368 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:18,369 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 [2021-07-14 11:29:18,397 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:18,411 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,413 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:18,443 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-07-14 11:29:18,443 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 [2021-07-14 11:29:18,448 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:19,559 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 241 [2021-07-14 11:29:19,559 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:19,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,618 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-07-14 11:29:19,618 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 [2021-07-14 11:29:19,621 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:19,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:19,666 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 11:29:19,667 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 [2021-07-14 11:29:19,687 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:20,748 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 233 [2021-07-14 11:29:20,748 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:20,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,769 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,807 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 11:29:20,807 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 [2021-07-14 11:29:20,812 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:20,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:20,863 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 11:29:20,863 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 [2021-07-14 11:29:20,869 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:21,867 WARN L205 SmtUtils]: Spent 997.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-07-14 11:29:21,867 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:21,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,930 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-07-14 11:29:21,931 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 [2021-07-14 11:29:21,945 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:21,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:21,989 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-07-14 11:29:21,989 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 [2021-07-14 11:29:22,010 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:23,042 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 209 [2021-07-14 11:29:23,042 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:29:23,358 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-07-14 11:29:23,358 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2349 [2021-07-14 11:29:24,218 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 77 [2021-07-14 11:29:24,388 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:29:24,389 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481604548] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:29:24,389 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:29:24,389 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-07-14 11:29:24,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330266139] [2021-07-14 11:29:24,389 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-14 11:29:24,389 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:29:24,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-14 11:29:24,390 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-07-14 11:29:24,390 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:24,390 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:29:24,391 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) [2021-07-14 11:29:24,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:29:24,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:29:24,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:29:24,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:29:24,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:29:24,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:24,569 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 35 [2021-07-14 11:29:24,834 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 53 [2021-07-14 11:29:25,070 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 68 [2021-07-14 11:29:25,331 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 67 [2021-07-14 11:29:25,754 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 103 [2021-07-14 11:29:25,979 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 71 [2021-07-14 11:29:26,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:29:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:29:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:29:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:29:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:29:26,062 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:29:26,262 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 11:29:26,263 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:29:26,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:29:26,264 INFO L82 PathProgramCache]: Analyzing trace with hash 358746990, now seen corresponding path program 3 times [2021-07-14 11:29:26,264 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:29:26,264 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [352658073] [2021-07-14 11:29:26,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:29:26,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:29:26,351 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:29:26,351 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:29:26,351 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [352658073] [2021-07-14 11:29:26,352 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [352658073] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:29:26,352 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173731407] [2021-07-14 11:29:26,352 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 [2021-07-14 11:29:26,400 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 11:29:26,401 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:29:26,401 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:29:26,402 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:29:26,589 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:29:26,589 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173731407] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:29:26,589 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:29:26,589 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-07-14 11:29:26,589 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289901729] [2021-07-14 11:29:26,591 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-14 11:29:26,591 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:29:26,592 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-14 11:29:26,592 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-07-14 11:29:26,592 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:26,592 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:29:26,592 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) [2021-07-14 11:29:26,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:29:26,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:29:26,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:29:26,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:29:26,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:29:26,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:29:26,593 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:29:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:29:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:29:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:29:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:29:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:29:26,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:29:27,217 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable278 [2021-07-14 11:29:27,217 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:29:27,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:29:27,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1163701042, now seen corresponding path program 4 times [2021-07-14 11:29:27,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:29:27,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1504499280] [2021-07-14 11:29:27,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:29:27,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:29:27,315 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:29:27,315 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:29:27,315 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1504499280] [2021-07-14 11:29:27,316 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1504499280] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:29:27,316 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681030201] [2021-07-14 11:29:27,316 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 [2021-07-14 11:29:27,362 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 11:29:27,362 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:29:27,363 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 11:29:27,364 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:29:27,468 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 11:29:27,469 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681030201] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:29:27,469 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:29:27,469 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-07-14 11:29:27,469 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668738362] [2021-07-14 11:29:27,469 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 11:29:27,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:29:27,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 11:29:27,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-07-14 11:29:27,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:27,470 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:29:27,470 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) [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:29:27,470 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:29:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:29:27,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:29:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:29:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:29:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:29:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:29:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:29:27,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:29:27,862 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable279 [2021-07-14 11:29:27,863 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:29:27,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:29:27,863 INFO L82 PathProgramCache]: Analyzing trace with hash -323420080, now seen corresponding path program 5 times [2021-07-14 11:29:27,864 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:29:27,864 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [181699888] [2021-07-14 11:29:27,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:29:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:29:29,098 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 112 [2021-07-14 11:29:29,361 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 49 [2021-07-14 11:29:29,553 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 150 [2021-07-14 11:29:29,889 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 69 [2021-07-14 11:29:30,361 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 213 [2021-07-14 11:29:31,253 WARN L205 SmtUtils]: Spent 819.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 100 [2021-07-14 11:29:31,622 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 221 [2021-07-14 11:29:32,617 WARN L205 SmtUtils]: Spent 940.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 131 [2021-07-14 11:29:32,971 WARN L205 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 215 [2021-07-14 11:29:33,969 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 126 [2021-07-14 11:29:34,243 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 196 [2021-07-14 11:29:35,358 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 196 DAG size of output: 129 [2021-07-14 11:29:35,491 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 163 [2021-07-14 11:29:35,923 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 76 [2021-07-14 11:29:36,199 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 40 [2021-07-14 11:29:36,455 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 38 [2021-07-14 11:29:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:29:36,631 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:29:36,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [181699888] [2021-07-14 11:29:36,631 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [181699888] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:29:36,631 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [931791121] [2021-07-14 11:29:36,631 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 [2021-07-14 11:29:36,688 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 11:29:36,688 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:29:36,690 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-14 11:29:36,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:29:38,743 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification that was a NOOP. DAG size: 122 [2021-07-14 11:29:40,326 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 322 [2021-07-14 11:29:43,927 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 360 DAG size of output: 326 [2021-07-14 11:29:47,535 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 366 DAG size of output: 330 [2021-07-14 11:29:51,306 WARN L205 SmtUtils]: Spent 2.86 s on a formula simplification. DAG size of input: 372 DAG size of output: 334 [2021-07-14 11:29:52,929 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification that was a NOOP. DAG size: 333 [2021-07-14 11:29:55,344 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification. DAG size of input: 329 DAG size of output: 323 [2021-07-14 11:29:56,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,574 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:56,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,587 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:56,606 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 41 treesize of output 22 [2021-07-14 11:29:56,609 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 11:29:56,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,659 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:29:56,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:29:56,664 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 [2021-07-14 11:29:56,665 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:03,961 WARN L205 SmtUtils]: Spent 7.29 s on a formula simplification. DAG size of input: 761 DAG size of output: 696 [2021-07-14 11:30:03,962 INFO L628 ElimStorePlain]: treesize reduction 1144, result has 69.2 percent of original size [2021-07-14 11:30:03,994 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:03,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:03,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:03,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:03,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:04,000 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:04,016 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 [2021-07-14 11:30:04,018 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:04,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:04,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:04,058 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:04,059 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:04,060 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 [2021-07-14 11:30:04,062 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:06,773 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification that was a NOOP. DAG size: 682 [2021-07-14 11:30:06,774 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:06,803 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:06,805 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:06,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:06,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:06,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:06,810 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 [2021-07-14 11:30:06,812 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:09,809 WARN L205 SmtUtils]: Spent 3.00 s on a formula simplification that was a NOOP. DAG size: 670 [2021-07-14 11:30:09,809 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:09,844 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:09,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,851 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:09,874 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 [2021-07-14 11:30:09,876 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:09,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:09,915 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 [2021-07-14 11:30:09,917 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:12,844 WARN L205 SmtUtils]: Spent 2.93 s on a formula simplification that was a NOOP. DAG size: 656 [2021-07-14 11:30:12,845 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:12,874 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:12,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,882 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:12,901 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 [2021-07-14 11:30:12,903 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:12,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:12,943 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 [2021-07-14 11:30:12,945 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:15,602 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification that was a NOOP. DAG size: 641 [2021-07-14 11:30:15,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:15,632 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:15,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:15,638 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 [2021-07-14 11:30:15,640 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:18,286 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 627 [2021-07-14 11:30:18,287 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:18,313 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:18,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:18,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:18,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:18,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:18,320 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 [2021-07-14 11:30:18,322 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:20,889 WARN L205 SmtUtils]: Spent 2.57 s on a formula simplification that was a NOOP. DAG size: 612 [2021-07-14 11:30:20,890 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:20,928 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:20,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:20,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:20,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:20,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:20,937 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 [2021-07-14 11:30:20,939 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:23,450 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification that was a NOOP. DAG size: 599 [2021-07-14 11:30:23,450 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:23,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,520 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 [2021-07-14 11:30:23,522 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:23,549 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,550 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,552 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:23,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:23,554 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 [2021-07-14 11:30:23,555 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:26,034 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification that was a NOOP. DAG size: 582 [2021-07-14 11:30:26,034 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:26,060 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:26,062 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:26,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:26,063 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:26,064 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:26,065 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 [2021-07-14 11:30:26,067 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:28,288 WARN L205 SmtUtils]: Spent 2.22 s on a formula simplification that was a NOOP. DAG size: 568 [2021-07-14 11:30:28,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:28,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,338 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 [2021-07-14 11:30:28,340 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:28,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,369 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:28,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:28,371 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 [2021-07-14 11:30:28,373 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:30,423 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 553 [2021-07-14 11:30:30,424 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:30,447 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:30,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:30,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:30,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:30,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:30,454 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 [2021-07-14 11:30:30,455 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:32,490 WARN L205 SmtUtils]: Spent 2.03 s on a formula simplification that was a NOOP. DAG size: 538 [2021-07-14 11:30:32,490 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:32,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:32,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:32,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:32,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:32,519 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:32,520 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 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 [2021-07-14 11:30:32,522 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:34,498 WARN L205 SmtUtils]: Spent 1.98 s on a formula simplification that was a NOOP. DAG size: 523 [2021-07-14 11:30:34,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:34,523 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:34,524 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,528 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:34,544 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 [2021-07-14 11:30:34,546 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:34,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:34,576 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 [2021-07-14 11:30:34,578 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:36,427 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification that was a NOOP. DAG size: 506 [2021-07-14 11:30:36,428 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:36,449 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:36,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,455 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:36,470 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 [2021-07-14 11:30:36,472 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:36,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:36,500 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 [2021-07-14 11:30:36,503 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:38,239 WARN L205 SmtUtils]: Spent 1.74 s on a formula simplification that was a NOOP. DAG size: 489 [2021-07-14 11:30:38,240 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:38,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,263 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,267 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:38,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,283 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:38,287 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 [2021-07-14 11:30:38,289 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:38,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:38,315 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 [2021-07-14 11:30:38,318 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:39,947 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification that was a NOOP. DAG size: 472 [2021-07-14 11:30:39,948 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:39,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:39,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:39,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:39,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:39,990 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 [2021-07-14 11:30:39,992 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:40,014 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:40,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:40,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:40,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:40,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:40,019 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 [2021-07-14 11:30:40,020 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:41,567 WARN L205 SmtUtils]: Spent 1.55 s on a formula simplification that was a NOOP. DAG size: 455 [2021-07-14 11:30:41,567 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:41,588 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,606 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 [2021-07-14 11:30:41,608 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:41,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,631 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:41,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:41,635 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 [2021-07-14 11:30:41,637 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:43,079 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification that was a NOOP. DAG size: 438 [2021-07-14 11:30:43,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:43,100 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:43,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,106 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:43,120 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 [2021-07-14 11:30:43,125 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:43,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:43,150 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 [2021-07-14 11:30:43,152 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:44,469 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification that was a NOOP. DAG size: 421 [2021-07-14 11:30:44,470 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:44,470 INFO L518 ElimStorePlain]: Eliminatee v_prenex_132 vanished before elimination [2021-07-14 11:30:44,488 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:44,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:44,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:44,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:44,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:44,493 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 [2021-07-14 11:30:44,495 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:45,759 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 406 [2021-07-14 11:30:45,760 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:45,779 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:45,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:45,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:45,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:45,783 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:45,784 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 [2021-07-14 11:30:45,786 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:47,022 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification that was a NOOP. DAG size: 391 [2021-07-14 11:30:47,022 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:47,041 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:47,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,046 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:47,059 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 [2021-07-14 11:30:47,061 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:47,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:47,085 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 [2021-07-14 11:30:47,086 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:48,213 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification that was a NOOP. DAG size: 374 [2021-07-14 11:30:48,213 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:48,233 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:48,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,236 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,237 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,238 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:48,256 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 [2021-07-14 11:30:48,257 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:48,278 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:48,282 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 [2021-07-14 11:30:48,283 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:49,343 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 357 [2021-07-14 11:30:49,343 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:49,362 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:49,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,367 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:49,378 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 [2021-07-14 11:30:49,380 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:49,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:49,404 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 [2021-07-14 11:30:49,405 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:50,378 WARN L205 SmtUtils]: Spent 972.00 ms on a formula simplification that was a NOOP. DAG size: 340 [2021-07-14 11:30:50,379 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:50,396 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:50,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:50,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:50,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:50,400 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 [2021-07-14 11:30:50,402 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:51,346 WARN L205 SmtUtils]: Spent 943.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-07-14 11:30:51,346 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:51,364 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:51,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:51,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:51,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:51,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:51,368 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 [2021-07-14 11:30:51,370 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:52,270 WARN L205 SmtUtils]: Spent 899.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-07-14 11:30:52,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:52,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,289 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:52,289 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,291 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,297 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:52,305 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 [2021-07-14 11:30:52,307 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:52,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:52,327 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 [2021-07-14 11:30:52,328 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:53,150 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-14 11:30:53,151 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:53,181 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:53,182 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:53,183 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:53,184 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:53,185 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:53,185 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 [2021-07-14 11:30:53,187 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:53,980 WARN L205 SmtUtils]: Spent 792.00 ms on a formula simplification that was a NOOP. DAG size: 280 [2021-07-14 11:30:53,980 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:53,996 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:53,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:53,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:53,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:54,000 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 [2021-07-14 11:30:54,002 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:54,764 WARN L205 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 265 [2021-07-14 11:30:54,764 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:54,778 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:54,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:54,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:54,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:54,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:54,782 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 [2021-07-14 11:30:54,784 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:55,517 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-14 11:30:55,517 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:55,530 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 11:30:55,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:55,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:55,533 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:55,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 11:30:55,534 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 [2021-07-14 11:30:55,535 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-07-14 11:30:56,225 WARN L205 SmtUtils]: Spent 688.00 ms on a formula simplification that was a NOOP. DAG size: 235 [2021-07-14 11:30:56,225 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 11:30:56,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 22 xjuncts. [2021-07-14 11:30:56,256 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3798, output treesize:266 [2021-07-14 11:30:56,434 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:30:56,434 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [931791121] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:30:56,434 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:30:56,434 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 30 [2021-07-14 11:30:56,434 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511685734] [2021-07-14 11:30:56,435 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 11:30:56,435 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:30:56,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 11:30:56,436 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=749, Unknown=0, NotChecked=0, Total=870 [2021-07-14 11:30:56,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:30:56,436 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:30:56,436 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) [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:30:56,436 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:30:56,911 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 43 [2021-07-14 11:30:57,321 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 59 [2021-07-14 11:30:57,613 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 64 [2021-07-14 11:30:58,024 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 77 [2021-07-14 11:30:59,100 WARN L205 SmtUtils]: Spent 924.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 74 [2021-07-14 11:31:00,416 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 429 DAG size of output: 87 [2021-07-14 11:31:04,188 WARN L205 SmtUtils]: Spent 3.62 s on a formula simplification. DAG size of input: 391 DAG size of output: 161 [2021-07-14 11:31:09,427 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 194 DAG size of output: 138 [2021-07-14 11:31:09,777 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-07-14 11:31:10,177 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2021-07-14 11:31:10,669 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 125 [2021-07-14 11:31:10,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:31:10,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:31:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:31:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:31:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:31:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:31:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:31:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:31:10,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:31:10,922 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable280 [2021-07-14 11:31:10,922 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:31:10,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:31:10,922 INFO L82 PathProgramCache]: Analyzing trace with hash 931633578, now seen corresponding path program 6 times [2021-07-14 11:31:10,922 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:31:10,922 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1045503497] [2021-07-14 11:31:10,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:31:10,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:31:11,064 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:31:11,064 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 11:31:11,064 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1045503497] [2021-07-14 11:31:11,065 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1045503497] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:31:11,065 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [336243279] [2021-07-14 11:31:11,065 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 [2021-07-14 11:31:11,119 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 11:31:11,119 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 11:31:11,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 11:31:11,123 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 11:31:11,386 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 11:31:11,387 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [336243279] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 11:31:11,387 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 11:31:11,387 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-07-14 11:31:11,387 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [329277907] [2021-07-14 11:31:11,387 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-07-14 11:31:11,388 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 11:31:11,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-07-14 11:31:11,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-07-14 11:31:11,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:31:11,389 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 11:31:11,389 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) [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:31:11,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 11:31:11,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-14 11:31:11,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-07-14 11:31:11,919 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable435,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 11:31:11,920 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 11:31:11,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 11:31:11,920 INFO L82 PathProgramCache]: Analyzing trace with hash -607915832, now seen corresponding path program 7 times [2021-07-14 11:31:11,920 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 11:31:11,920 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1508702743] [2021-07-14 11:31:11,920 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 11:31:12,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 11:31:15,220 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 29 [2021-07-14 11:31:15,629 WARN L205 SmtUtils]: Spent 403.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 112 [2021-07-14 11:31:15,877 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 42 [2021-07-14 11:31:40,243 WARN L205 SmtUtils]: Spent 24.36 s on a formula simplification. DAG size of input: 294 DAG size of output: 232 [2021-07-14 11:32:12,630 WARN L205 SmtUtils]: Spent 32.39 s on a formula simplification. DAG size of input: 232 DAG size of output: 232 [2021-07-14 11:32:13,184 WARN L205 SmtUtils]: Spent 518.00 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