/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-06 05:26:46,775 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-06 05:26:46,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-06 05:26:46,814 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-06 05:26:46,863 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-06 05:26:46,864 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-06 05:26:46,865 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-06 05:26:46,869 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-DelaySleep-NoLbe.epf [2021-06-06 05:26:46,902 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-06 05:26:46,902 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-06 05:26:46,902 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-06 05:26:46,902 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-06 05:26:46,905 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-06 05:26:46,905 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-06 05:26:46,905 INFO L138 SettingsManager]: * Use SBE=true [2021-06-06 05:26:46,905 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-06 05:26:46,906 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-06 05:26:46,906 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-06 05:26:46,906 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-06 05:26:46,907 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-06 05:26:46,907 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-06 05:26:46,907 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-06 05:26:46,907 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-06 05:26:46,907 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-06 05:26:46,907 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-06 05:26:46,907 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-06 05:26:46,908 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-06 05:26:46,908 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-06 05:26:46,908 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-06 05:26:46,908 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-06 05:26:46,908 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-06 05:26:46,908 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:26:46,909 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-06 05:26:46,909 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-06 05:26:46,909 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-06 05:26:46,909 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-06 05:26:46,909 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-06 05:26:46,909 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-06 05:26:46,909 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-06 05:26:46,910 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-06 05:26:46,910 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-06 05:26:46,910 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-06 05:26:47,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-06 05:26:47,231 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-06 05:26:47,233 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-06 05:26:47,233 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-06 05:26:47,234 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-06 05:26:47,235 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl [2021-06-06 05:26:47,235 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/ring-nondet.wvr.bpl' [2021-06-06 05:26:47,282 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-06 05:26:47,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-06 05:26:47,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-06 05:26:47,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-06 05:26:47,287 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-06 05:26:47,298 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,305 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,312 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-06 05:26:47,315 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-06 05:26:47,315 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-06 05:26:47,315 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-06 05:26:47,321 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,332 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... [2021-06-06 05:26:47,345 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-06 05:26:47,347 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-06 05:26:47,347 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-06 05:26:47,347 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-06 05:26:47,348 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-06 05:26:47,424 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-06 05:26:47,424 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-06 05:26:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-06 05:26:47,425 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-06 05:26:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-06 05:26:47,425 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-06 05:26:47,425 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-06 05:26:47,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-06 05:26:47,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-06 05:26:47,426 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-06 05:26:47,427 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-06 05:26:47,427 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-06 05:26:47,428 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-06 05:26:47,782 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-06 05:26:47,783 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-06 05:26:47,784 INFO L202 PluginConnector]: Adding new model ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:26:47 BoogieIcfgContainer [2021-06-06 05:26:47,784 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-06 05:26:47,786 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-06 05:26:47,786 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-06 05:26:47,788 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-06 05:26:47,788 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 06.06 05:26:47" (1/2) ... [2021-06-06 05:26:47,789 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11d69e57 and model type ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.06 05:26:47, skipping insertion in model container [2021-06-06 05:26:47,789 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "ring-nondet.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.06 05:26:47" (2/2) ... [2021-06-06 05:26:47,790 INFO L111 eAbstractionObserver]: Analyzing ICFG ring-nondet.wvr.bpl [2021-06-06 05:26:47,811 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-06 05:26:47,811 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-06 05:26:47,812 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-06 05:26:47,812 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-06 05:26:47,865 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-06 05:26:47,889 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-06 05:26:47,958 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-06 05:26:47,958 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-06 05:26:47,958 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-06 05:26:47,959 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-06 05:26:47,959 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-06 05:26:47,959 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-06 05:26:47,959 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-06 05:26:47,959 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-06 05:26:48,126 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:48,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:48,134 INFO L82 PathProgramCache]: Analyzing trace with hash 1428329303, now seen corresponding path program 1 times [2021-06-06 05:26:48,141 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:48,141 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [638154666] [2021-06-06 05:26:48,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:48,262 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:26:48,263 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:48,263 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [638154666] [2021-06-06 05:26:48,264 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [638154666] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:26:48,264 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:26:48,264 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 05:26:48,265 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133175025] [2021-06-06 05:26:48,268 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:26:48,268 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:48,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:26:48,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:26:48,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:48,281 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:48,282 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:48,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:48,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:48,299 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-06 05:26:48,299 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:48,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:48,300 INFO L82 PathProgramCache]: Analyzing trace with hash 1416175618, now seen corresponding path program 2 times [2021-06-06 05:26:48,300 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:48,301 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [791172029] [2021-06-06 05:26:48,301 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:48,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:48,325 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-06 05:26:48,326 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:48,326 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [791172029] [2021-06-06 05:26:48,326 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [791172029] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-06 05:26:48,326 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-06 05:26:48,326 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-06-06 05:26:48,327 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759668614] [2021-06-06 05:26:48,328 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-06 05:26:48,328 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:48,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-06 05:26:48,329 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-06 05:26:48,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:48,329 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:48,329 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:48,329 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:48,330 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:48,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:48,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:48,348 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-06 05:26:48,348 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:48,349 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:48,349 INFO L82 PathProgramCache]: Analyzing trace with hash -1699392032, now seen corresponding path program 3 times [2021-06-06 05:26:48,349 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:48,349 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [437164435] [2021-06-06 05:26:48,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:48,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:48,530 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-06 05:26:48,530 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:48,531 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [437164435] [2021-06-06 05:26:48,531 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [437164435] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:48,532 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1591954350] [2021-06-06 05:26:48,532 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:48,604 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-06 05:26:48,605 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:26:48,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 10 conjunts are in the unsatisfiable core [2021-06-06 05:26:48,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:26:48,925 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 7 treesize of output 3 [2021-06-06 05:26:48,927 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:48,937 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:48,938 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:26:48,938 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-06-06 05:26:49,022 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-06 05:26:49,023 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1591954350] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:49,023 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:26:49,023 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6] total 13 [2021-06-06 05:26:49,023 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677320710] [2021-06-06 05:26:49,024 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-06 05:26:49,024 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:49,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-06 05:26:49,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2021-06-06 05:26:49,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:49,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:49,025 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 4.857142857142857) internal successors, (68), 13 states have internal predecessors, (68), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:49,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:49,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:49,025 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:49,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:49,625 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:49,626 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:49,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:49,626 INFO L82 PathProgramCache]: Analyzing trace with hash 243137063, now seen corresponding path program 4 times [2021-06-06 05:26:49,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:49,627 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325374904] [2021-06-06 05:26:49,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:49,822 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-06 05:26:49,823 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:49,823 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325374904] [2021-06-06 05:26:49,823 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325374904] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:49,824 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1372588357] [2021-06-06 05:26:49,827 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:49,877 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:26:49,878 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:26:49,879 INFO L263 TraceCheckSpWp]: Trace formula consists of 128 conjuncts, 12 conjunts are in the unsatisfiable core [2021-06-06 05:26:49,882 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:26:50,083 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 7 treesize of output 3 [2021-06-06 05:26:50,085 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:50,096 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:50,097 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:26:50,097 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:25, output treesize:18 [2021-06-06 05:26:50,159 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-06 05:26:50,160 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1372588357] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:50,160 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:26:50,160 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8] total 12 [2021-06-06 05:26:50,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885406851] [2021-06-06 05:26:50,161 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-06 05:26:50,161 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:50,171 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-06 05:26:50,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-06-06 05:26:50,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:50,171 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:50,171 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 4.6923076923076925) internal successors, (61), 12 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:50,172 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:50,519 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:50,520 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:50,743 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:50,744 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:50,744 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:50,744 INFO L82 PathProgramCache]: Analyzing trace with hash -1329250303, now seen corresponding path program 5 times [2021-06-06 05:26:50,744 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:50,744 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868527925] [2021-06-06 05:26:50,744 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:50,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:51,042 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-06 05:26:51,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:51,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868527925] [2021-06-06 05:26:51,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868527925] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:51,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784648210] [2021-06-06 05:26:51,043 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:51,107 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2021-06-06 05:26:51,107 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:26:51,108 INFO L263 TraceCheckSpWp]: Trace formula consists of 134 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-06 05:26:51,112 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:26:51,306 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-06 05:26:51,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-06-06 05:26:51,310 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:51,313 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:51,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:51,314 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:9 [2021-06-06 05:26:51,426 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 [2021-06-06 05:26:51,429 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:51,430 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:51,431 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:51,431 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:26:51,489 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 0 proven. 68 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-06 05:26:51,490 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784648210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:51,490 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:26:51,490 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 12] total 22 [2021-06-06 05:26:51,490 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674766085] [2021-06-06 05:26:51,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-06 05:26:51,491 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:51,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-06 05:26:51,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=440, Unknown=0, NotChecked=0, Total=506 [2021-06-06 05:26:51,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:51,492 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:51,492 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 4.130434782608695) internal successors, (95), 22 states have internal predecessors, (95), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:51,493 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:52,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:52,340 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-06 05:26:52,552 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:52,553 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:52,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:52,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1059610948, now seen corresponding path program 6 times [2021-06-06 05:26:52,553 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:52,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1064128103] [2021-06-06 05:26:52,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:52,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:52,948 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 2 proven. 86 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-06 05:26:52,949 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:52,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1064128103] [2021-06-06 05:26:52,949 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1064128103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:52,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1590598794] [2021-06-06 05:26:52,949 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:53,024 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-06-06 05:26:53,024 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:26:53,025 INFO L263 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 05:26:53,027 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:26:53,306 INFO L354 Elim1Store]: treesize reduction 32, result has 3.0 percent of original size [2021-06-06 05:26:53,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 25 treesize of output 13 [2021-06-06 05:26:53,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:53,311 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:53,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:53,312 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:9 [2021-06-06 05:26:53,502 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 [2021-06-06 05:26:53,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:53,505 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:53,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:53,506 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:26:53,566 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-06 05:26:53,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1590598794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:53,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:26:53,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 16] total 29 [2021-06-06 05:26:53,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1736029531] [2021-06-06 05:26:53,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 05:26:53,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:53,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 05:26:53,568 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=787, Unknown=0, NotChecked=0, Total=870 [2021-06-06 05:26:53,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:53,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:53,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.6666666666666665) internal successors, (110), 29 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:53,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:53,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:53,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:53,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:53,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-06 05:26:53,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:55,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:26:55,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:26:55,993 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-06-06 05:26:55,993 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:55,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:55,994 INFO L82 PathProgramCache]: Analyzing trace with hash 524329767, now seen corresponding path program 7 times [2021-06-06 05:26:55,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:55,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [542884966] [2021-06-06 05:26:55,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:56,426 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 6 proven. 109 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-06-06 05:26:56,426 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:56,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [542884966] [2021-06-06 05:26:56,426 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [542884966] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:56,426 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017257942] [2021-06-06 05:26:56,426 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:56,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:56,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-06 05:26:56,493 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:26:56,758 INFO L354 Elim1Store]: treesize reduction 36, result has 2.7 percent of original size [2021-06-06 05:26:56,758 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 29 treesize of output 13 [2021-06-06 05:26:56,760 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:56,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:56,764 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:56,764 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:34, output treesize:9 [2021-06-06 05:26:56,913 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 [2021-06-06 05:26:56,914 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:56,915 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:56,916 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:56,916 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:26:56,969 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 135 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-06 05:26:56,970 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017257942] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:56,970 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:26:56,970 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15] total 29 [2021-06-06 05:26:56,970 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1992017946] [2021-06-06 05:26:56,970 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-06-06 05:26:56,971 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:56,971 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-06-06 05:26:56,971 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=769, Unknown=0, NotChecked=0, Total=870 [2021-06-06 05:26:56,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:56,972 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:56,972 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 3.8) internal successors, (114), 29 states have internal predecessors, (114), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:56,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:56,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:56,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:56,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:56,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:26:56,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:26:56,972 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:26:58,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:26:58,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:26:59,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:59,002 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:26:59,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:26:59,002 INFO L82 PathProgramCache]: Analyzing trace with hash 1959928153, now seen corresponding path program 8 times [2021-06-06 05:26:59,002 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:26:59,002 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2117034592] [2021-06-06 05:26:59,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:26:59,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:26:59,215 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 48 proven. 127 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-06 05:26:59,215 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:26:59,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2117034592] [2021-06-06 05:26:59,215 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2117034592] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:59,215 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [856021227] [2021-06-06 05:26:59,216 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:26:59,286 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:26:59,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:26:59,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 34 conjunts are in the unsatisfiable core [2021-06-06 05:26:59,290 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:26:59,642 INFO L354 Elim1Store]: treesize reduction 72, result has 1.4 percent of original size [2021-06-06 05:26:59,642 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 6 case distinctions, treesize of input 36 treesize of output 16 [2021-06-06 05:26:59,644 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:59,647 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:59,647 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:59,647 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:41, output treesize:9 [2021-06-06 05:26:59,826 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 [2021-06-06 05:26:59,827 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:26:59,828 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:26:59,829 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:26:59,829 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:26:59,895 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 195 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-06 05:26:59,896 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [856021227] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:26:59,896 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:26:59,896 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 19] total 31 [2021-06-06 05:26:59,896 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38752255] [2021-06-06 05:26:59,896 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-06 05:26:59,897 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:26:59,897 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-06 05:26:59,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=906, Unknown=0, NotChecked=0, Total=992 [2021-06-06 05:26:59,898 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:26:59,898 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:26:59,898 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 4.1875) internal successors, (134), 31 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:26:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:26:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:26:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:26:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:26:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:26:59,898 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:26:59,899 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:01,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:01,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:01,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:01,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:01,281 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:01,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:01,281 INFO L82 PathProgramCache]: Analyzing trace with hash -433817243, now seen corresponding path program 9 times [2021-06-06 05:27:01,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:01,282 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117633865] [2021-06-06 05:27:01,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:01,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:01,409 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 163 proven. 25 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-06-06 05:27:01,410 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:01,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117633865] [2021-06-06 05:27:01,410 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117633865] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:01,410 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202720190] [2021-06-06 05:27:01,410 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:01,515 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 17 check-sat command(s) [2021-06-06 05:27:01,516 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:01,517 INFO L263 TraceCheckSpWp]: Trace formula consists of 231 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-06 05:27:01,519 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:01,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:01,626 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 16 [2021-06-06 05:27:01,629 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:01,630 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:01,631 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:01,631 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:41, output treesize:5 [2021-06-06 05:27:01,721 INFO L134 CoverageAnalysis]: Checked inductivity of 267 backedges. 163 proven. 25 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2021-06-06 05:27:01,721 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202720190] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:01,721 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:01,721 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 12] total 14 [2021-06-06 05:27:01,721 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1634750565] [2021-06-06 05:27:01,722 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-06 05:27:01,722 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:01,722 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-06 05:27:01,722 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=133, Unknown=0, NotChecked=0, Total=210 [2021-06-06 05:27:01,723 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:01,723 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:01,723 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:01,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:01,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:01,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:02,042 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-06 05:27:02,042 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:02,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:02,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1270415417, now seen corresponding path program 10 times [2021-06-06 05:27:02,043 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:02,043 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811447509] [2021-06-06 05:27:02,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:02,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:02,492 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 278 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-06-06 05:27:02,492 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:02,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811447509] [2021-06-06 05:27:02,492 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811447509] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:02,492 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052775632] [2021-06-06 05:27:02,492 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 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 [2021-06-06 05:27:02,561 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:27:02,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:02,563 INFO L263 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 68 conjunts are in the unsatisfiable core [2021-06-06 05:27:02,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:04,065 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 77 [2021-06-06 05:27:04,340 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 81 [2021-06-06 05:27:04,573 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 79 [2021-06-06 05:27:04,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:04,719 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-06-06 05:27:04,723 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:04,730 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-06 05:27:04,731 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-06-06 05:27:04,732 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:04,784 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:04,785 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:27:04,785 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:241, output treesize:193 [2021-06-06 05:27:05,347 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 92 [2021-06-06 05:27:05,841 INFO L446 ElimStorePlain]: Different costs {1=[q3, v_prenex_1, v_prenex_4], 36=[q1], 55=[v_prenex_3]} [2021-06-06 05:27:05,851 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-06 05:27:05,851 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 24 [2021-06-06 05:27:05,852 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:05,995 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 119 [2021-06-06 05:27:05,996 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:06,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 24 [2021-06-06 05:27:06,005 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:06,013 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-06 05:27:06,013 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 32 treesize of output 22 [2021-06-06 05:27:06,015 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:06,142 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2021-06-06 05:27:06,143 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:06,155 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-06 05:27:06,155 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 22 [2021-06-06 05:27:06,157 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:06,269 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-06 05:27:06,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:06,279 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-06 05:27:06,279 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 76 treesize of output 34 [2021-06-06 05:27:06,283 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:06,413 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 69 [2021-06-06 05:27:06,414 INFO L628 ElimStorePlain]: treesize reduction 86, result has 69.2 percent of original size [2021-06-06 05:27:06,417 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,451 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,452 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,453 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,456 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,457 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:06,487 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 45 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 78 treesize of output 36 [2021-06-06 05:27:06,492 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:06,499 INFO L354 Elim1Store]: treesize reduction 540, result has 0.2 percent of original size [2021-06-06 05:27:06,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 80 treesize of output 36 [2021-06-06 05:27:06,503 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:06,529 INFO L628 ElimStorePlain]: treesize reduction 12, result has 74.5 percent of original size [2021-06-06 05:27:06,530 INFO L550 ElimStorePlain]: Start of recursive call 1: 5 dim-0 vars, 5 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 05:27:06,530 INFO L247 ElimStorePlain]: Needed 8 recursive calls to eliminate 10 variables, input treesize:435, output treesize:31 [2021-06-06 05:27:06,709 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 0 proven. 264 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2021-06-06 05:27:06,710 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052775632] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:06,710 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:06,710 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 29] total 52 [2021-06-06 05:27:06,710 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595081458] [2021-06-06 05:27:06,710 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 05:27:06,710 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:06,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 05:27:06,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=2575, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 05:27:06,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:06,711 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:06,712 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.3207547169811322) internal successors, (176), 52 states have internal predecessors, (176), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:06,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:08,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:08,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:08,727 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:08,727 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:08,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:08,727 INFO L82 PathProgramCache]: Analyzing trace with hash 379305785, now seen corresponding path program 11 times [2021-06-06 05:27:08,728 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:08,728 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [987783487] [2021-06-06 05:27:08,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:09,025 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 62 proven. 226 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-06-06 05:27:09,025 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:09,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [987783487] [2021-06-06 05:27:09,025 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [987783487] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:09,025 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1991553861] [2021-06-06 05:27:09,025 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:09,117 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-06-06 05:27:09,117 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:09,118 INFO L263 TraceCheckSpWp]: Trace formula consists of 250 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-06 05:27:09,120 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:09,681 INFO L354 Elim1Store]: treesize reduction 240, result has 0.4 percent of original size [2021-06-06 05:27:09,682 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 53 treesize of output 25 [2021-06-06 05:27:09,685 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:09,686 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:09,686 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:09,686 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:53, output treesize:3 [2021-06-06 05:27:09,754 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 62 proven. 226 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-06-06 05:27:09,754 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1991553861] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:09,754 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:09,754 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-06 05:27:09,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62516650] [2021-06-06 05:27:09,755 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-06-06 05:27:09,755 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:09,755 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-06-06 05:27:09,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=936, Unknown=0, NotChecked=0, Total=1056 [2021-06-06 05:27:09,756 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:09,756 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:09,756 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 4.212121212121212) internal successors, (139), 32 states have internal predecessors, (139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:09,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:09,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:09,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:09,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:09,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:09,756 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:09,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:09,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:09,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:09,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:09,757 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:10,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:10,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:10,820 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable52,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:10,821 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:10,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:10,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1370995623, now seen corresponding path program 12 times [2021-06-06 05:27:10,821 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:10,821 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201049078] [2021-06-06 05:27:10,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:10,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:11,136 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 65 proven. 306 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2021-06-06 05:27:11,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:11,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201049078] [2021-06-06 05:27:11,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [201049078] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:11,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1708455224] [2021-06-06 05:27:11,137 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:11,241 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-06-06 05:27:11,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:11,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 60 conjunts are in the unsatisfiable core [2021-06-06 05:27:11,246 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:12,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,115 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:12,120 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 28 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 28 [2021-06-06 05:27:12,124 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:12,128 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:12,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:12,129 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:74, output treesize:14 [2021-06-06 05:27:12,498 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 [2021-06-06 05:27:12,499 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:12,500 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:12,500 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:12,500 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:27:12,566 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 431 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-06 05:27:12,567 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1708455224] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:12,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:12,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 33] total 48 [2021-06-06 05:27:12,567 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896145043] [2021-06-06 05:27:12,567 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-06-06 05:27:12,567 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:12,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-06-06 05:27:12,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=156, Invalid=2196, Unknown=0, NotChecked=0, Total=2352 [2021-06-06 05:27:12,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:12,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:12,569 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 4.061224489795919) internal successors, (199), 48 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:12,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:12,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:13,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:13,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:13,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:13,553 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable53 [2021-06-06 05:27:13,553 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:13,553 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:13,554 INFO L82 PathProgramCache]: Analyzing trace with hash -398004425, now seen corresponding path program 13 times [2021-06-06 05:27:13,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:13,554 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [774038695] [2021-06-06 05:27:13,554 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:13,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:14,246 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 66 proven. 327 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2021-06-06 05:27:14,246 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:14,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [774038695] [2021-06-06 05:27:14,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [774038695] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:14,246 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1902374529] [2021-06-06 05:27:14,247 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:14,328 INFO L263 TraceCheckSpWp]: Trace formula consists of 278 conjuncts, 46 conjunts are in the unsatisfiable core [2021-06-06 05:27:14,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:15,195 INFO L354 Elim1Store]: treesize reduction 170, result has 0.6 percent of original size [2021-06-06 05:27:15,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 15 case distinctions, treesize of input 46 treesize of output 22 [2021-06-06 05:27:15,198 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:15,208 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:15,208 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:15,208 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:51, output treesize:9 [2021-06-06 05:27:15,481 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 [2021-06-06 05:27:15,482 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:15,483 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:15,484 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:15,484 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:27:15,581 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 0 proven. 438 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-06-06 05:27:15,581 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1902374529] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:15,581 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:15,581 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 27] total 47 [2021-06-06 05:27:15,582 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306431612] [2021-06-06 05:27:15,582 INFO L462 AbstractCegarLoop]: Interpolant automaton has 48 states [2021-06-06 05:27:15,582 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:15,582 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2021-06-06 05:27:15,583 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=2107, Unknown=0, NotChecked=0, Total=2256 [2021-06-06 05:27:15,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:15,583 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:15,583 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 48 states, 48 states have (on average 3.8958333333333335) internal successors, (187), 47 states have internal predecessors, (187), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:15,584 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:18,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:18,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:18,230 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable54,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:18,230 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:18,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:18,230 INFO L82 PathProgramCache]: Analyzing trace with hash 445917933, now seen corresponding path program 14 times [2021-06-06 05:27:18,230 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:18,230 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [932039728] [2021-06-06 05:27:18,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:18,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:18,454 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 377 proven. 81 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2021-06-06 05:27:18,454 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:18,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [932039728] [2021-06-06 05:27:18,454 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [932039728] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:18,454 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1866607446] [2021-06-06 05:27:18,455 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:18,543 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:27:18,543 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:18,545 INFO L263 TraceCheckSpWp]: Trace formula consists of 317 conjuncts, 61 conjunts are in the unsatisfiable core [2021-06-06 05:27:18,547 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:19,249 INFO L354 Elim1Store]: treesize reduction 252, result has 0.4 percent of original size [2021-06-06 05:27:19,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 57 treesize of output 25 [2021-06-06 05:27:19,266 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:19,270 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:19,270 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:19,270 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:62, output treesize:9 [2021-06-06 05:27:19,600 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 [2021-06-06 05:27:19,601 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:19,602 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:19,603 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:19,603 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:27:19,670 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 0 proven. 558 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-06 05:27:19,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1866607446] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:19,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:19,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 31] total 49 [2021-06-06 05:27:19,670 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [684080718] [2021-06-06 05:27:19,670 INFO L462 AbstractCegarLoop]: Interpolant automaton has 50 states [2021-06-06 05:27:19,670 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:19,671 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 50 interpolants. [2021-06-06 05:27:19,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=305, Invalid=2145, Unknown=0, NotChecked=0, Total=2450 [2021-06-06 05:27:19,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:19,671 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:19,672 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 50 states, 50 states have (on average 4.02) internal successors, (201), 49 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:19,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:19,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:19,673 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:19,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:19,674 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:21,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:21,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:21,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable55 [2021-06-06 05:27:21,522 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:21,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:21,523 INFO L82 PathProgramCache]: Analyzing trace with hash 288374005, now seen corresponding path program 15 times [2021-06-06 05:27:21,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:21,523 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707578908] [2021-06-06 05:27:21,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:22,450 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 77 proven. 574 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-06-06 05:27:22,450 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:22,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707578908] [2021-06-06 05:27:22,450 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [707578908] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:22,450 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628679223] [2021-06-06 05:27:22,450 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:22,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-06-06 05:27:22,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:22,587 INFO L263 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 65 conjunts are in the unsatisfiable core [2021-06-06 05:27:22,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:24,051 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 91 [2021-06-06 05:27:24,368 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 94 [2021-06-06 05:27:24,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:24,801 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 05:27:24,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:24,812 INFO L354 Elim1Store]: treesize reduction 9, result has 10.0 percent of original size [2021-06-06 05:27:24,812 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 43 treesize of output 31 [2021-06-06 05:27:24,814 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:24,904 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:24,906 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:27:24,906 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:311, output treesize:271 [2021-06-06 05:27:25,639 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 111 [2021-06-06 05:27:25,890 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 112 [2021-06-06 05:27:26,209 INFO L446 ElimStorePlain]: Different costs {1=[q3], 78=[q1], 105=[v_prenex_7]} [2021-06-06 05:27:26,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,217 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-06-06 05:27:26,218 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:26,226 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,227 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 39 treesize of output 23 [2021-06-06 05:27:26,228 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:26,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,241 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2021-06-06 05:27:26,242 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:26,248 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 05:27:26,250 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:26,257 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-06 05:27:26,257 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 45 treesize of output 25 [2021-06-06 05:27:26,258 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:26,663 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 140 [2021-06-06 05:27:26,663 INFO L628 ElimStorePlain]: treesize reduction 7, result has 98.9 percent of original size [2021-06-06 05:27:26,677 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-06-06 05:27:26,677 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 110 treesize of output 52 [2021-06-06 05:27:26,681 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:26,941 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 94 [2021-06-06 05:27:26,941 INFO L628 ElimStorePlain]: treesize reduction 123, result has 76.4 percent of original size [2021-06-06 05:27:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,974 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:26,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,021 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,025 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,027 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,031 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,033 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,034 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,036 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,107 INFO L244 Elim1Store]: Index analysis took 161 ms [2021-06-06 05:27:27,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 105 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 0 case distinctions, treesize of input 113 treesize of output 51 [2021-06-06 05:27:27,114 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:27,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,127 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,133 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,135 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,136 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,138 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,141 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,149 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,151 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,152 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,153 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,154 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,155 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,156 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,157 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,158 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,159 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,161 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,162 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,164 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,165 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,166 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,167 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,168 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,171 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,172 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,174 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,176 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,179 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,180 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:27:27,239 INFO L244 Elim1Store]: Index analysis took 120 ms [2021-06-06 05:27:27,240 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 91 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 0 case distinctions, treesize of input 115 treesize of output 53 [2021-06-06 05:27:27,246 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:27,263 INFO L354 Elim1Store]: treesize reduction 1092, result has 0.1 percent of original size [2021-06-06 05:27:27,263 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 117 treesize of output 53 [2021-06-06 05:27:27,269 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:27,313 INFO L628 ElimStorePlain]: treesize reduction 18, result has 75.7 percent of original size [2021-06-06 05:27:27,314 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 05:27:27,314 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:758, output treesize:54 [2021-06-06 05:27:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 659 backedges. 0 proven. 420 refuted. 0 times theorem prover too weak. 239 trivial. 0 not checked. [2021-06-06 05:27:27,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628679223] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:27,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:27,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 31] total 70 [2021-06-06 05:27:27,596 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932447831] [2021-06-06 05:27:27,597 INFO L462 AbstractCegarLoop]: Interpolant automaton has 71 states [2021-06-06 05:27:27,597 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:27,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 71 interpolants. [2021-06-06 05:27:27,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=548, Invalid=4422, Unknown=0, NotChecked=0, Total=4970 [2021-06-06 05:27:27,598 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:27,598 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:27,599 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 71 states, 71 states have (on average 3.0140845070422535) internal successors, (214), 70 states have internal predecessors, (214), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:27,599 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:28,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:28,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:29,033 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable56,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:29,033 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:29,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:29,033 INFO L82 PathProgramCache]: Analyzing trace with hash -2011275471, now seen corresponding path program 16 times [2021-06-06 05:27:29,033 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:29,033 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408108794] [2021-06-06 05:27:29,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:29,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:29,561 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 84 proven. 504 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-06-06 05:27:29,561 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:29,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408108794] [2021-06-06 05:27:29,561 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408108794] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:29,561 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790433989] [2021-06-06 05:27:29,562 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:29,652 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:27:29,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:29,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 336 conjuncts, 78 conjunts are in the unsatisfiable core [2021-06-06 05:27:29,656 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:31,553 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 21 treesize of output 13 [2021-06-06 05:27:31,554 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:31,580 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:31,581 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:31,581 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:119, output treesize:108 [2021-06-06 05:27:32,809 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 84 proven. 511 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2021-06-06 05:27:32,810 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790433989] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:32,810 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:32,810 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 32] total 56 [2021-06-06 05:27:32,810 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73799989] [2021-06-06 05:27:32,810 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-06-06 05:27:32,810 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:32,811 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-06-06 05:27:32,811 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=2892, Unknown=0, NotChecked=0, Total=3192 [2021-06-06 05:27:32,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:32,811 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:32,811 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.526315789473684) internal successors, (201), 56 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:32,812 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:34,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:34,563 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:34,784 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable98 [2021-06-06 05:27:34,785 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:34,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:34,785 INFO L82 PathProgramCache]: Analyzing trace with hash 328993455, now seen corresponding path program 17 times [2021-06-06 05:27:34,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:34,785 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2022140655] [2021-06-06 05:27:34,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:34,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:35,392 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 88 proven. 653 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2021-06-06 05:27:35,393 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:35,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2022140655] [2021-06-06 05:27:35,393 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2022140655] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:35,393 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [53395840] [2021-06-06 05:27:35,393 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:35,504 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 23 check-sat command(s) [2021-06-06 05:27:35,504 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:35,506 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 62 conjunts are in the unsatisfiable core [2021-06-06 05:27:35,508 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:37,014 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-06-06 05:27:37,014 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 74 treesize of output 34 [2021-06-06 05:27:37,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:37,020 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:37,021 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:37,021 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:9 [2021-06-06 05:27:37,492 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 [2021-06-06 05:27:37,493 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:37,494 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:37,494 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:37,494 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:27:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 875 backedges. 0 proven. 816 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-06-06 05:27:37,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [53395840] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:37,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:37,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 37] total 65 [2021-06-06 05:27:37,593 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230596768] [2021-06-06 05:27:37,593 INFO L462 AbstractCegarLoop]: Interpolant automaton has 66 states [2021-06-06 05:27:37,593 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:37,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 66 interpolants. [2021-06-06 05:27:37,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=277, Invalid=4013, Unknown=0, NotChecked=0, Total=4290 [2021-06-06 05:27:37,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:37,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:37,594 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 66 states, 66 states have (on average 3.6818181818181817) internal successors, (243), 65 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:37,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:37,594 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:37,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:41,436 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:41,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:41,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:27:41,664 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:41,664 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:41,664 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:41,664 INFO L82 PathProgramCache]: Analyzing trace with hash -811235211, now seen corresponding path program 18 times [2021-06-06 05:27:41,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:41,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915877624] [2021-06-06 05:27:41,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:41,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:42,105 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 671 proven. 169 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2021-06-06 05:27:42,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:42,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915877624] [2021-06-06 05:27:42,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915877624] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:42,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1763006463] [2021-06-06 05:27:42,106 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:42,270 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 25 check-sat command(s) [2021-06-06 05:27:42,270 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:42,273 INFO L263 TraceCheckSpWp]: Trace formula consists of 403 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-06 05:27:42,275 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:43,270 INFO L354 Elim1Store]: treesize reduction 416, result has 0.2 percent of original size [2021-06-06 05:27:43,270 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 36 case distinctions, treesize of input 67 treesize of output 31 [2021-06-06 05:27:43,273 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:43,276 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:43,276 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:43,276 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:72, output treesize:9 [2021-06-06 05:27:43,809 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 [2021-06-06 05:27:43,810 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:43,811 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:43,811 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:43,811 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:27:43,924 INFO L134 CoverageAnalysis]: Checked inductivity of 1053 backedges. 0 proven. 979 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2021-06-06 05:27:43,924 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1763006463] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:43,924 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:43,924 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 41] total 68 [2021-06-06 05:27:43,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81309171] [2021-06-06 05:27:43,925 INFO L462 AbstractCegarLoop]: Interpolant automaton has 69 states [2021-06-06 05:27:43,925 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:43,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 69 interpolants. [2021-06-06 05:27:43,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=580, Invalid=4112, Unknown=0, NotChecked=0, Total=4692 [2021-06-06 05:27:43,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:43,926 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:43,926 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 69 states, 69 states have (on average 3.710144927536232) internal successors, (256), 68 states have internal predecessors, (256), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:43,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:27:43,927 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:46,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:27:46,755 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:27:46,955 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable108,18 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:46,956 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:46,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:46,956 INFO L82 PathProgramCache]: Analyzing trace with hash 1926421997, now seen corresponding path program 19 times [2021-06-06 05:27:46,956 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:46,956 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2103126017] [2021-06-06 05:27:46,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1078 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2021-06-06 05:27:48,299 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:48,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2103126017] [2021-06-06 05:27:48,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2103126017] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:48,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [945278590] [2021-06-06 05:27:48,300 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:48,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:48,400 INFO L263 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 74 conjunts are in the unsatisfiable core [2021-06-06 05:27:48,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:50,691 INFO L354 Elim1Store]: treesize reduction 522, result has 0.2 percent of original size [2021-06-06 05:27:50,691 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 45 case distinctions, treesize of input 74 treesize of output 34 [2021-06-06 05:27:50,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:50,697 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:50,697 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:50,697 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:79, output treesize:9 [2021-06-06 05:27:50,863 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 [2021-06-06 05:27:50,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:50,865 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:50,866 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:50,866 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:27:50,877 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 0 proven. 1070 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2021-06-06 05:27:50,877 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [945278590] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:50,877 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:50,877 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 43] total 74 [2021-06-06 05:27:50,877 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874011475] [2021-06-06 05:27:50,877 INFO L462 AbstractCegarLoop]: Interpolant automaton has 75 states [2021-06-06 05:27:50,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:50,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 75 interpolants. [2021-06-06 05:27:50,879 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=188, Invalid=5362, Unknown=0, NotChecked=0, Total=5550 [2021-06-06 05:27:50,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:50,879 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:50,879 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 75 states, 75 states have (on average 2.986666666666667) internal successors, (224), 74 states have internal predecessors, (224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:27:50,879 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:27:50,880 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:27:53,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:27:53,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:27:54,117 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable109 [2021-06-06 05:27:54,117 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:27:54,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:27:54,121 INFO L82 PathProgramCache]: Analyzing trace with hash -723297897, now seen corresponding path program 20 times [2021-06-06 05:27:54,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:27:54,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356136565] [2021-06-06 05:27:54,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:27:54,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:27:55,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 0 proven. 1152 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-06 05:27:55,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:27:55,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356136565] [2021-06-06 05:27:55,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356136565] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:55,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [474021739] [2021-06-06 05:27:55,484 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:27:55,574 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-06 05:27:55,574 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:27:55,576 INFO L263 TraceCheckSpWp]: Trace formula consists of 431 conjuncts, 81 conjunts are in the unsatisfiable core [2021-06-06 05:27:55,578 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:27:58,461 INFO L354 Elim1Store]: treesize reduction 640, result has 0.2 percent of original size [2021-06-06 05:27:58,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 55 case distinctions, treesize of input 81 treesize of output 37 [2021-06-06 05:27:58,466 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:58,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:58,469 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:58,470 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:9 [2021-06-06 05:27:58,651 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 [2021-06-06 05:27:58,652 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:27:58,654 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:27:58,654 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:27:58,654 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:27:58,668 INFO L134 CoverageAnalysis]: Checked inductivity of 1187 backedges. 0 proven. 1146 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2021-06-06 05:27:58,668 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [474021739] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:27:58,668 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:27:58,668 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [48, 47] total 81 [2021-06-06 05:27:58,668 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2127983268] [2021-06-06 05:27:58,669 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-06-06 05:27:58,669 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:27:58,669 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-06-06 05:27:58,671 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=6436, Unknown=0, NotChecked=0, Total=6642 [2021-06-06 05:27:58,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:27:58,671 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:27:58,671 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 2.9634146341463414) internal successors, (243), 81 states have internal predecessors, (243), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:27:58,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:58,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:27:58,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:27:58,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:27:58,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:58,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:27:58,672 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:02,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:02,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:02,772 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable110,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:02,773 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:28:02,773 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:28:02,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1124046893, now seen corresponding path program 21 times [2021-06-06 05:28:02,773 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:28:02,773 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1301088745] [2021-06-06 05:28:02,773 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:28:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:28:04,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 0 proven. 1224 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-06-06 05:28:04,355 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:28:04,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1301088745] [2021-06-06 05:28:04,355 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1301088745] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:04,355 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [864978148] [2021-06-06 05:28:04,355 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:04,474 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 20 check-sat command(s) [2021-06-06 05:28:04,475 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:28:04,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 379 conjuncts, 97 conjunts are in the unsatisfiable core [2021-06-06 05:28:04,481 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:28:07,466 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 107 [2021-06-06 05:28:07,905 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 111 [2021-06-06 05:28:07,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:07,979 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 31 [2021-06-06 05:28:07,981 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:07,987 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-06 05:28:07,987 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 31 [2021-06-06 05:28:07,988 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:08,092 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-06 05:28:08,092 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:08,094 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-06 05:28:08,094 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 1 variables, input treesize:353, output treesize:305 [2021-06-06 05:28:08,350 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 103 [2021-06-06 05:28:08,634 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2021-06-06 05:28:09,215 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 126 [2021-06-06 05:28:09,578 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2021-06-06 05:28:09,893 INFO L446 ElimStorePlain]: Different costs {1=[q3], 136=[v_prenex_9], 171=[q1]} [2021-06-06 05:28:09,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:09,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-06-06 05:28:09,905 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:09,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:09,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 15 [2021-06-06 05:28:09,916 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:09,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:09,926 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 20 [2021-06-06 05:28:09,927 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:09,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:09,937 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 18 [2021-06-06 05:28:09,939 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:09,954 INFO L354 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2021-06-06 05:28:09,954 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 30 treesize of output 18 [2021-06-06 05:28:09,955 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:10,236 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 165 [2021-06-06 05:28:10,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:10,249 INFO L354 Elim1Store]: treesize reduction 1600, result has 0.1 percent of original size [2021-06-06 05:28:10,249 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 0 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 136 case distinctions, treesize of input 139 treesize of output 65 [2021-06-06 05:28:10,255 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:10,597 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 109 [2021-06-06 05:28:10,597 INFO L628 ElimStorePlain]: treesize reduction 147, result has 76.0 percent of original size [2021-06-06 05:28:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,602 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,603 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,604 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,605 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,607 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,608 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,609 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,611 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,612 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,614 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,616 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,617 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,621 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,636 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,638 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,639 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,640 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,641 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,642 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,643 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,644 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,645 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,646 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,648 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,649 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,651 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,652 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,653 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,654 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,656 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,658 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,659 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,660 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,661 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,662 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,663 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,664 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,666 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,667 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,670 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,671 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,672 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,673 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,674 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,675 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,676 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,677 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,678 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,682 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,684 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,686 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,688 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,689 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,691 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,694 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,695 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,712 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,722 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,724 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,859 INFO L244 Elim1Store]: Index analysis took 258 ms [2021-06-06 05:28:10,861 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 19 select indices, 19 select index equivalence classes, 171 disjoint index pairs (out of 171 index pairs), introduced 19 new quantified variables, introduced 0 case distinctions, treesize of input 141 treesize of output 63 [2021-06-06 05:28:10,869 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:10,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,883 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,925 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,931 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,932 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,963 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:10,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:28:11,072 INFO L244 Elim1Store]: Index analysis took 197 ms [2021-06-06 05:28:11,073 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 153 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 0 case distinctions, treesize of input 145 treesize of output 65 [2021-06-06 05:28:11,078 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:11,088 INFO L354 Elim1Store]: treesize reduction 1802, result has 0.1 percent of original size [2021-06-06 05:28:11,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 0 disjoint index pairs (out of 153 index pairs), introduced 18 new quantified variables, introduced 153 case distinctions, treesize of input 143 treesize of output 65 [2021-06-06 05:28:11,093 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:11,128 INFO L628 ElimStorePlain]: treesize reduction 13, result has 76.4 percent of original size [2021-06-06 05:28:11,129 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 3 dim-1 vars, End of recursive call: and 3 xjuncts. [2021-06-06 05:28:11,129 INFO L247 ElimStorePlain]: Needed 10 recursive calls to eliminate 5 variables, input treesize:851, output treesize:42 [2021-06-06 05:28:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 1243 backedges. 10 proven. 642 refuted. 0 times theorem prover too weak. 591 trivial. 0 not checked. [2021-06-06 05:28:11,592 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [864978148] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:11,592 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:28:11,592 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [52, 33] total 84 [2021-06-06 05:28:11,592 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895750008] [2021-06-06 05:28:11,592 INFO L462 AbstractCegarLoop]: Interpolant automaton has 85 states [2021-06-06 05:28:11,592 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:28:11,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2021-06-06 05:28:11,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=255, Invalid=6885, Unknown=0, NotChecked=0, Total=7140 [2021-06-06 05:28:11,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:11,594 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:28:11,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 85 states, 85 states have (on average 3.070588235294118) internal successors, (261), 84 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:11,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:11,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:17,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:17,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:17,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:28:17,558 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable111 [2021-06-06 05:28:17,558 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:28:17,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:28:17,559 INFO L82 PathProgramCache]: Analyzing trace with hash -639249765, now seen corresponding path program 22 times [2021-06-06 05:28:17,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:28:17,559 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023013169] [2021-06-06 05:28:17,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:28:17,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:28:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 115 proven. 894 refuted. 0 times theorem prover too weak. 375 trivial. 0 not checked. [2021-06-06 05:28:18,306 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:28:18,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023013169] [2021-06-06 05:28:18,306 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023013169] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:18,306 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2146356059] [2021-06-06 05:28:18,306 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:18,403 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-06 05:28:18,403 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:28:18,405 INFO L263 TraceCheckSpWp]: Trace formula consists of 461 conjuncts, 95 conjunts are in the unsatisfiable core [2021-06-06 05:28:18,408 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:28:21,447 INFO L354 Elim1Store]: treesize reduction 912, result has 0.1 percent of original size [2021-06-06 05:28:21,447 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 0 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 78 case distinctions, treesize of input 95 treesize of output 43 [2021-06-06 05:28:21,457 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:21,461 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:21,462 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:28:21,462 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:100, output treesize:9 [2021-06-06 05:28:22,403 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 [2021-06-06 05:28:22,404 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:22,405 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:22,405 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:28:22,405 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:28:22,534 INFO L134 CoverageAnalysis]: Checked inductivity of 1384 backedges. 0 proven. 1364 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-06-06 05:28:22,534 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2146356059] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:22,535 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:28:22,535 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 55] total 87 [2021-06-06 05:28:22,535 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442869925] [2021-06-06 05:28:22,535 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-06-06 05:28:22,535 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:28:22,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-06-06 05:28:22,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=432, Invalid=7224, Unknown=0, NotChecked=0, Total=7656 [2021-06-06 05:28:22,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:22,537 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:28:22,537 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 3.5681818181818183) internal successors, (314), 87 states have internal predecessors, (314), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:22,537 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:28:22,538 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:27,545 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 115 [2021-06-06 05:28:27,794 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 112 [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:29,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:28:29,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-06 05:28:29,954 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable154,22 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:29,954 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:28:29,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:28:29,954 INFO L82 PathProgramCache]: Analyzing trace with hash -1785398583, now seen corresponding path program 23 times [2021-06-06 05:28:29,954 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:28:29,954 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342112445] [2021-06-06 05:28:29,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:28:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:28:30,766 INFO L134 CoverageAnalysis]: Checked inductivity of 1607 backedges. 737 proven. 438 refuted. 0 times theorem prover too weak. 432 trivial. 0 not checked. [2021-06-06 05:28:30,766 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:28:30,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342112445] [2021-06-06 05:28:30,766 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342112445] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:30,766 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194902994] [2021-06-06 05:28:30,766 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:30,957 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 27 check-sat command(s) [2021-06-06 05:28:30,957 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:28:30,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 500 conjuncts, 102 conjunts are in the unsatisfiable core [2021-06-06 05:28:30,963 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:28:33,627 INFO L354 Elim1Store]: treesize reduction 1066, result has 0.1 percent of original size [2021-06-06 05:28:33,627 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 14 new quantified variables, introduced 91 case distinctions, treesize of input 102 treesize of output 46 [2021-06-06 05:28:33,631 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:33,634 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:33,635 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:28:33,635 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:107, output treesize:9 [2021-06-06 05:28:34,388 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 [2021-06-06 05:28:34,389 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:34,390 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:34,390 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:28:34,390 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:28:34,495 INFO L134 CoverageAnalysis]: Checked inductivity of 1607 backedges. 0 proven. 1584 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2021-06-06 05:28:34,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194902994] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:34,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:28:34,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 59] total 97 [2021-06-06 05:28:34,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560868604] [2021-06-06 05:28:34,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 98 states [2021-06-06 05:28:34,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:28:34,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 98 interpolants. [2021-06-06 05:28:34,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=998, Invalid=8508, Unknown=0, NotChecked=0, Total=9506 [2021-06-06 05:28:34,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:34,498 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:28:34,498 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 98 states, 98 states have (on average 3.4693877551020407) internal successors, (340), 97 states have internal predecessors, (340), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:34,498 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-06 05:28:34,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:40,459 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 117 [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:42,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:28:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-06 05:28:42,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 05:28:42,732 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable155,23 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:42,732 INFO L430 AbstractCegarLoop]: === Iteration 24 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:28:42,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:28:42,733 INFO L82 PathProgramCache]: Analyzing trace with hash 1563704861, now seen corresponding path program 24 times [2021-06-06 05:28:42,733 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:28:42,733 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [330877309] [2021-06-06 05:28:42,733 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:28:42,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:28:43,821 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 125 proven. 1091 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2021-06-06 05:28:43,821 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:28:43,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [330877309] [2021-06-06 05:28:43,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [330877309] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:43,821 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253574285] [2021-06-06 05:28:43,821 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 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 24 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:44,011 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2021-06-06 05:28:44,011 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-06 05:28:44,014 INFO L263 TraceCheckSpWp]: Trace formula consists of 515 conjuncts, 118 conjunts are in the unsatisfiable core [2021-06-06 05:28:44,017 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:28:48,102 INFO L354 Elim1Store]: treesize reduction 1260, result has 0.1 percent of original size [2021-06-06 05:28:48,102 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 0 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 105 case distinctions, treesize of input 113 treesize of output 49 [2021-06-06 05:28:48,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:48,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:48,111 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:28:48,111 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:118, output treesize:9 [2021-06-06 05:28:49,409 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 [2021-06-06 05:28:49,410 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:28:49,411 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:28:49,412 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:28:49,412 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:11, output treesize:3 [2021-06-06 05:28:49,559 INFO L134 CoverageAnalysis]: Checked inductivity of 1721 backedges. 0 proven. 1709 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-06 05:28:49,560 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253574285] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:49,560 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:28:49,560 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [37, 65] total 101 [2021-06-06 05:28:49,560 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1164214574] [2021-06-06 05:28:49,561 INFO L462 AbstractCegarLoop]: Interpolant automaton has 102 states [2021-06-06 05:28:49,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:28:49,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 102 interpolants. [2021-06-06 05:28:49,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=550, Invalid=9752, Unknown=0, NotChecked=0, Total=10302 [2021-06-06 05:28:49,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:49,562 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:28:49,562 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 102 states, 102 states have (on average 3.4705882352941178) internal successors, (354), 101 states have internal predecessors, (354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:28:49,562 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:49,563 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:28:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-06 05:28:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 05:28:49,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:28:58,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:28:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:28:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:28:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-06 05:28:58,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 05:28:58,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 05:28:59,049 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable156 [2021-06-06 05:28:59,049 INFO L430 AbstractCegarLoop]: === Iteration 25 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:28:59,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:28:59,049 INFO L82 PathProgramCache]: Analyzing trace with hash -783875321, now seen corresponding path program 25 times [2021-06-06 05:28:59,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:28:59,049 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824028560] [2021-06-06 05:28:59,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:28:59,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:28:59,606 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 1045 proven. 289 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2021-06-06 05:28:59,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-06 05:28:59,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824028560] [2021-06-06 05:28:59,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824028560] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:28:59,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [784948786] [2021-06-06 05:28:59,606 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 25 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:28:59,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-06 05:28:59,706 INFO L263 TraceCheckSpWp]: Trace formula consists of 554 conjuncts, 37 conjunts are in the unsatisfiable core [2021-06-06 05:28:59,709 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-06 05:29:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,301 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,302 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,315 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,317 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,329 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,337 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,339 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,340 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,342 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,346 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,351 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,352 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,353 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,354 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,358 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,361 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,362 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,363 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,364 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,370 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,372 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-06 05:29:00,379 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 17 select indices, 17 select index equivalence classes, 136 disjoint index pairs (out of 136 index pairs), introduced 17 new quantified variables, introduced 0 case distinctions, treesize of input 120 treesize of output 52 [2021-06-06 05:29:00,385 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-06 05:29:00,386 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-06 05:29:00,387 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-06 05:29:00,387 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:125, output treesize:5 [2021-06-06 05:29:00,593 INFO L134 CoverageAnalysis]: Checked inductivity of 1974 backedges. 1045 proven. 289 refuted. 0 times theorem prover too weak. 640 trivial. 0 not checked. [2021-06-06 05:29:00,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [784948786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-06 05:29:00,594 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-06 05:29:00,594 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [35, 36] total 52 [2021-06-06 05:29:00,594 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553515576] [2021-06-06 05:29:00,594 INFO L462 AbstractCegarLoop]: Interpolant automaton has 53 states [2021-06-06 05:29:00,594 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-06 05:29:00,595 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 53 interpolants. [2021-06-06 05:29:00,595 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=850, Invalid=1906, Unknown=0, NotChecked=0, Total=2756 [2021-06-06 05:29:00,595 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:29:00,595 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-06 05:29:00,595 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 53 states, 53 states have (on average 3.509433962264151) internal successors, (186), 52 states have internal predecessors, (186), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-06 05:29:00,595 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:29:00,596 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:29:00,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:29:00,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 77 states. [2021-06-06 05:29:00,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 81 states. [2021-06-06 05:29:00,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 87 states. [2021-06-06 05:29:00,597 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-06 05:29:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:29:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-06 05:29:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-06 05:29:00,964 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 68 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 87 states. [2021-06-06 05:29:00,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-06 05:29:01,168 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable157,25 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-06 05:29:01,169 INFO L430 AbstractCegarLoop]: === Iteration 26 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-06 05:29:01,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-06 05:29:01,169 INFO L82 PathProgramCache]: Analyzing trace with hash -804115611, now seen corresponding path program 26 times [2021-06-06 05:29:01,169 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-06 05:29:01,169 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551012162] [2021-06-06 05:29:01,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-06 05:29:01,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown