/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-13 17:43:32,937 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-13 17:43:32,940 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-13 17:43:32,981 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-13 17:43:33,019 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2021-06-13 17:43:33,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-13 17:43:33,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-13 17:43:33,047 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-13 17:43:33,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-13 17:43:33,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-13 17:43:33,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-13 17:43:33,049 INFO L138 SettingsManager]: * Use SBE=true [2021-06-13 17:43:33,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-13 17:43:33,049 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-13 17:43:33,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-13 17:43:33,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-13 17:43:33,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-13 17:43:33,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-13 17:43:33,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-13 17:43:33,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-13 17:43:33,051 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-13 17:43:33,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-13 17:43:33,051 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-13 17:43:33,051 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-13 17:43:33,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-13 17:43:33,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-13 17:43:33,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-13 17:43:33,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-13 17:43:33,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-13 17:43:33,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-13 17:43:33,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-13 17:43:33,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-13 17:43:33,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-13 17:43:33,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-13 17:43:33,054 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-13 17:43:33,054 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-13 17:43:33,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-13 17:43:33,054 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-13 17:43:33,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-13 17:43:33,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-13 17:43:33,392 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-13 17:43:33,394 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-13 17:43:33,395 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-13 17:43:33,397 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-13 17:43:33,398 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl [2021-06-13 17:43:33,398 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/min-fun.wvr.bpl' [2021-06-13 17:43:33,422 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-13 17:43:33,424 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-13 17:43:33,426 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-13 17:43:33,426 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-13 17:43:33,426 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-13 17:43:33,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,441 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,446 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-13 17:43:33,447 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-13 17:43:33,447 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-13 17:43:33,448 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-13 17:43:33,453 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,453 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,454 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,457 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,459 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,460 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/1) ... [2021-06-13 17:43:33,461 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-13 17:43:33,462 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-13 17:43:33,462 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-13 17:43:33,462 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-13 17:43:33,477 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (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 [2021-06-13 17:43:33,532 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-13 17:43:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-13 17:43:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-13 17:43:33,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-13 17:43:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-13 17:43:33,533 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-13 17:43:33,533 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-13 17:43:33,533 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-13 17:43:33,534 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-13 17:43:33,534 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-13 17:43:33,534 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-13 17:43:33,534 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-13 17:43:33,535 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-13 17:43:33,695 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-13 17:43:33,695 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-13 17:43:33,697 INFO L202 PluginConnector]: Adding new model min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:43:33 BoogieIcfgContainer [2021-06-13 17:43:33,697 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-13 17:43:33,698 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-13 17:43:33,698 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-13 17:43:33,701 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-13 17:43:33,701 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.06 05:43:33" (1/2) ... [2021-06-13 17:43:33,702 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e25ee3f and model type min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.06 05:43:33, skipping insertion in model container [2021-06-13 17:43:33,702 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "min-fun.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.06 05:43:33" (2/2) ... [2021-06-13 17:43:33,703 INFO L111 eAbstractionObserver]: Analyzing ICFG min-fun.wvr.bpl [2021-06-13 17:43:33,708 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-13 17:43:33,708 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-13 17:43:33,708 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-13 17:43:33,709 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-13 17:43:33,739 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-13 17:43:33,758 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 [2021-06-13 17:43:33,862 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-13 17:43:33,862 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-13 17:43:33,862 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-13 17:43:33,862 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-13 17:43:33,862 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-13 17:43:33,862 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-13 17:43:33,862 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-13 17:43:33,863 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-13 17:43:33,931 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:43:33,938 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:43:33,939 INFO L82 PathProgramCache]: Analyzing trace with hash 1685831996, now seen corresponding path program 1 times [2021-06-13 17:43:33,946 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:43:33,947 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1653661922] [2021-06-13 17:43:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:43:34,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:34,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:43:34,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:43:34,169 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1653661922] [2021-06-13 17:43:34,169 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1653661922] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 17:43:34,169 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 17:43:34,169 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-13 17:43:34,170 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509414097] [2021-06-13 17:43:34,173 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-13 17:43:34,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:43:34,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-13 17:43:34,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-13 17:43:34,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:34,191 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:43:34,195 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:43:34,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:34,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:34,227 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-13 17:43:34,227 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:43:34,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:43:34,231 INFO L82 PathProgramCache]: Analyzing trace with hash 1860946394, now seen corresponding path program 1 times [2021-06-13 17:43:34,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:43:34,232 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1222718757] [2021-06-13 17:43:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:43:34,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:34,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:43:34,313 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:43:34,313 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1222718757] [2021-06-13 17:43:34,313 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1222718757] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-13 17:43:34,314 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-13 17:43:34,314 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-13 17:43:34,314 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2037800216] [2021-06-13 17:43:34,316 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-13 17:43:34,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:43:34,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-13 17:43:34,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-13 17:43:34,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:34,321 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:43:34,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.0) internal successors, (20), 4 states have internal predecessors, (20), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:43:34,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:34,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:34,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:43:34,379 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-13 17:43:34,379 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:43:34,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:43:34,380 INFO L82 PathProgramCache]: Analyzing trace with hash 2099964152, now seen corresponding path program 1 times [2021-06-13 17:43:34,380 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:43:34,380 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381054362] [2021-06-13 17:43:34,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:43:34,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:34,849 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:43:34,850 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:43:34,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381054362] [2021-06-13 17:43:34,850 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381054362] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:43:34,850 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [761650238] [2021-06-13 17:43:34,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:43:34,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:34,906 INFO L263 TraceCheckSpWp]: Trace formula consists of 58 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-13 17:43:34,911 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:43:35,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:43:35,303 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:43:35,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 21 treesize of output 10 [2021-06-13 17:43:35,311 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:35,315 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:43:35,316 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:43:35,316 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-13 17:43:35,317 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:35,322 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:43:35,323 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 10 [2021-06-13 17:43:35,324 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:35,336 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:35,341 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 2 xjuncts. [2021-06-13 17:43:35,341 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 2 variables, input treesize:97, output treesize:21 [2021-06-13 17:43:35,395 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:43:35,396 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [761650238] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:43:35,396 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:43:35,396 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-13 17:43:35,397 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519401083] [2021-06-13 17:43:35,398 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-13 17:43:35,398 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:43:35,399 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-13 17:43:35,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2021-06-13 17:43:35,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:35,400 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:43:35,400 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.076923076923077) internal successors, (40), 12 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:43:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:43:35,400 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:43:35,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:43:35,817 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:43:35,817 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:43:35,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:43:35,818 INFO L82 PathProgramCache]: Analyzing trace with hash 1225355926, now seen corresponding path program 2 times [2021-06-13 17:43:35,818 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:43:35,818 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097184727] [2021-06-13 17:43:35,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:43:35,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:35,896 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:43:35,896 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:43:35,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097184727] [2021-06-13 17:43:35,897 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097184727] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:43:35,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25466791] [2021-06-13 17:43:35,898 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:43:35,948 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 17:43:35,954 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:43:35,955 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 17:43:35,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:43:36,126 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:43:36,126 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25466791] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:43:36,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:43:36,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 12 [2021-06-13 17:43:36,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763192276] [2021-06-13 17:43:36,127 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-06-13 17:43:36,127 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:43:36,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-06-13 17:43:36,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2021-06-13 17:43:36,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:36,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:43:36,128 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 2.9166666666666665) internal successors, (35), 12 states have internal predecessors, (35), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:43:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:43:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:43:36,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:43:36,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:43:36,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:43:36,545 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-13 17:43:36,545 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:43:36,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:43:36,546 INFO L82 PathProgramCache]: Analyzing trace with hash 661666650, now seen corresponding path program 1 times [2021-06-13 17:43:36,546 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:43:36,546 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [617884103] [2021-06-13 17:43:36,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:43:36,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:36,600 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:43:36,600 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:43:36,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [617884103] [2021-06-13 17:43:36,600 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [617884103] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:43:36,600 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1296087374] [2021-06-13 17:43:36,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:43:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:36,645 INFO L263 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-13 17:43:36,648 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:43:36,750 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:43:36,750 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1296087374] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:43:36,750 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:43:36,750 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 11 [2021-06-13 17:43:36,750 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895999835] [2021-06-13 17:43:36,751 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-13 17:43:36,751 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:43:36,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-13 17:43:36,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-06-13 17:43:36,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:36,754 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:43:36,754 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 11 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:43:36,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:36,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:43:36,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:43:36,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:43:36,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:43:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:43:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:43:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:43:36,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:43:36,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:43:37,069 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:43:37,069 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:43:37,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:43:37,070 INFO L82 PathProgramCache]: Analyzing trace with hash -258173320, now seen corresponding path program 2 times [2021-06-13 17:43:37,070 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:43:37,070 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1491401207] [2021-06-13 17:43:37,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:43:37,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:43:37,715 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 61 [2021-06-13 17:43:37,964 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 67 [2021-06-13 17:43:38,196 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 62 [2021-06-13 17:43:38,409 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 47 [2021-06-13 17:43:38,584 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 45 [2021-06-13 17:43:38,742 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:43:38,742 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:43:38,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1491401207] [2021-06-13 17:43:38,742 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1491401207] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:43:38,742 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [400483987] [2021-06-13 17:43:38,742 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:43:38,776 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-13 17:43:38,776 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:43:38,777 WARN L261 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 41 conjunts are in the unsatisfiable core [2021-06-13 17:43:38,781 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:43:39,739 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-13 17:43:40,431 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification that was a NOOP. DAG size: 75 [2021-06-13 17:43:42,373 INFO L446 ElimStorePlain]: Different costs {7=[A, v_prenex_71, v_prenex_65, v_prenex_75, v_prenex_73, v_prenex_69, v_prenex_57, v_prenex_46, v_prenex_55, v_prenex_59, v_prenex_48], 10=[v_prenex_50, v_prenex_61, v_prenex_53, v_prenex_63, v_prenex_67]} [2021-06-13 17:43:42,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:42,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:42,511 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:43:42,512 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-13 17:43:42,529 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:42,557 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:42,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:42,616 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:43:42,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-13 17:43:42,621 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:46,320 WARN L205 SmtUtils]: Spent 3.70 s on a formula simplification. DAG size of input: 370 DAG size of output: 368 [2021-06-13 17:43:46,321 INFO L628 ElimStorePlain]: treesize reduction 9, result has 99.6 percent of original size [2021-06-13 17:43:46,360 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:46,369 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:46,437 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:46,437 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-13 17:43:46,465 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:46,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:46,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:46,590 INFO L354 Elim1Store]: treesize reduction 4, result has 91.1 percent of original size [2021-06-13 17:43:46,590 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 62 [2021-06-13 17:43:46,625 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:50,197 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 365 DAG size of output: 359 [2021-06-13 17:43:50,199 INFO L628 ElimStorePlain]: treesize reduction 16, result has 99.3 percent of original size [2021-06-13 17:43:50,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:50,234 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:50,285 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-13 17:43:50,285 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 38 [2021-06-13 17:43:50,294 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:50,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:50,333 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:50,399 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:43:50,399 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-13 17:43:50,404 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:52,102 WARN L205 SmtUtils]: Spent 1.70 s on a formula simplification that was a NOOP. DAG size: 351 [2021-06-13 17:43:52,103 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:52,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:52,140 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:52,217 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:43:52,218 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 50 [2021-06-13 17:43:52,225 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:52,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:52,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:52,313 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:43:52,313 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 57 [2021-06-13 17:43:52,319 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:53,932 WARN L205 SmtUtils]: Spent 1.61 s on a formula simplification that was a NOOP. DAG size: 344 [2021-06-13 17:43:53,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:53,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:53,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:54,041 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:43:54,042 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-13 17:43:54,048 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:54,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:54,081 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:54,111 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:43:54,112 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-13 17:43:54,114 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:55,714 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 336 [2021-06-13 17:43:55,714 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:55,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:55,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:55,802 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-13 17:43:55,802 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 38 [2021-06-13 17:43:55,812 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:55,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:55,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:55,872 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-13 17:43:55,873 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-13 17:43:55,881 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:57,417 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification that was a NOOP. DAG size: 325 [2021-06-13 17:43:57,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:57,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:57,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:57,495 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:43:57,496 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 46 treesize of output 36 [2021-06-13 17:43:57,498 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:57,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:57,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:57,559 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-13 17:43:57,559 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 51 treesize of output 45 [2021-06-13 17:43:57,566 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:58,976 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification that was a NOOP. DAG size: 313 [2021-06-13 17:43:58,977 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:58,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:58,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:59,060 INFO L354 Elim1Store]: treesize reduction 18, result has 60.0 percent of original size [2021-06-13 17:43:59,060 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 48 [2021-06-13 17:43:59,068 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-13 17:43:59,089 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:59,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:43:59,130 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:43:59,130 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 69 [2021-06-13 17:43:59,145 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:01,873 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 306 DAG size of output: 299 [2021-06-13 17:44:01,874 INFO L628 ElimStorePlain]: treesize reduction 17, result has 99.2 percent of original size [2021-06-13 17:44:01,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:01,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:01,970 INFO L354 Elim1Store]: treesize reduction 24, result has 46.7 percent of original size [2021-06-13 17:44:01,970 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 40 treesize of output 42 [2021-06-13 17:44:01,983 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:02,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:02,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:02,046 INFO L354 Elim1Store]: treesize reduction 28, result has 37.8 percent of original size [2021-06-13 17:44:02,046 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 45 treesize of output 41 [2021-06-13 17:44:02,049 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:03,359 WARN L205 SmtUtils]: Spent 1.31 s on a formula simplification that was a NOOP. DAG size: 287 [2021-06-13 17:44:03,360 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:03,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:03,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:03,422 INFO L354 Elim1Store]: treesize reduction 30, result has 33.3 percent of original size [2021-06-13 17:44:03,422 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 36 [2021-06-13 17:44:03,425 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:03,445 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:03,454 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:03,504 INFO L354 Elim1Store]: treesize reduction 12, result has 73.3 percent of original size [2021-06-13 17:44:03,504 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 49 treesize of output 57 [2021-06-13 17:44:03,509 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:04,742 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification that was a NOOP. DAG size: 274 [2021-06-13 17:44:04,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:04,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:04,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:04,818 INFO L354 Elim1Store]: treesize reduction 16, result has 64.4 percent of original size [2021-06-13 17:44:04,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 47 treesize of output 53 [2021-06-13 17:44:04,823 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:04,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:04,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:04,893 INFO L354 Elim1Store]: treesize reduction 14, result has 68.9 percent of original size [2021-06-13 17:44:04,894 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 42 treesize of output 52 [2021-06-13 17:44:04,904 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:06,103 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification that was a NOOP. DAG size: 263 [2021-06-13 17:44:06,104 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:06,121 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,129 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,167 INFO L354 Elim1Store]: treesize reduction 34, result has 33.3 percent of original size [2021-06-13 17:44:06,167 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 37 treesize of output 35 [2021-06-13 17:44:06,171 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:06,186 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,187 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:06,221 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:06,222 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 32 treesize of output 66 [2021-06-13 17:44:06,237 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:07,375 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 255 [2021-06-13 17:44:07,376 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:07,398 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,399 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,400 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,454 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-13 17:44:07,454 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 54 [2021-06-13 17:44:07,468 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:07,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,491 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:07,535 INFO L354 Elim1Store]: treesize reduction 16, result has 68.6 percent of original size [2021-06-13 17:44:07,535 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 53 [2021-06-13 17:44:07,557 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:08,680 WARN L205 SmtUtils]: Spent 1.12 s on a formula simplification that was a NOOP. DAG size: 241 [2021-06-13 17:44:08,681 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:08,696 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,705 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,746 INFO L354 Elim1Store]: treesize reduction 32, result has 37.3 percent of original size [2021-06-13 17:44:08,746 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 44 treesize of output 40 [2021-06-13 17:44:08,749 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:08,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,766 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,768 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,773 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:08,799 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-13 17:44:08,799 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 39 treesize of output 41 [2021-06-13 17:44:08,810 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:09,874 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification that was a NOOP. DAG size: 233 [2021-06-13 17:44:09,875 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:09,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,932 INFO L354 Elim1Store]: treesize reduction 28, result has 45.1 percent of original size [2021-06-13 17:44:09,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 41 [2021-06-13 17:44:09,950 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:09,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:09,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:10,010 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-13 17:44:10,011 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-13 17:44:10,017 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:11,031 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification that was a NOOP. DAG size: 221 [2021-06-13 17:44:11,031 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:11,043 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,045 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,047 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,049 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,050 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,086 INFO L354 Elim1Store]: treesize reduction 30, result has 41.2 percent of original size [2021-06-13 17:44:11,086 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 43 treesize of output 39 [2021-06-13 17:44:11,110 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:11,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,128 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,130 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,131 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:11,162 INFO L354 Elim1Store]: treesize reduction 18, result has 64.7 percent of original size [2021-06-13 17:44:11,162 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 5 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 48 treesize of output 54 [2021-06-13 17:44:11,168 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:12,138 WARN L205 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 209 [2021-06-13 17:44:12,139 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:44:12,440 INFO L550 ElimStorePlain]: Start of recursive call 1: 17 dim-0 vars, 16 dim-1 vars, End of recursive call: and 32 xjuncts. [2021-06-13 17:44:12,441 INFO L247 ElimStorePlain]: Needed 33 recursive calls to eliminate 33 variables, input treesize:2333, output treesize:2330 [2021-06-13 17:44:13,311 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 77 [2021-06-13 17:44:13,463 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:44:13,464 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [400483987] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:44:13,464 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:44:13,464 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 16] total 25 [2021-06-13 17:44:13,464 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [832468961] [2021-06-13 17:44:13,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-13 17:44:13,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:44:13,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-13 17:44:13,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=94, Invalid=506, Unknown=0, NotChecked=0, Total=600 [2021-06-13 17:44:13,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:44:13,465 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:44:13,466 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 2.24) internal successors, (56), 25 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:44:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:44:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:44:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:44:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:44:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:44:13,466 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:44:13,681 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 35 [2021-06-13 17:44:13,905 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 53 [2021-06-13 17:44:14,172 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 67 [2021-06-13 17:44:14,504 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 71 [2021-06-13 17:44:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:44:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:44:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:44:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:44:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:44:14,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:44:14,818 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-06-13 17:44:14,818 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:44:14,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:44:14,819 INFO L82 PathProgramCache]: Analyzing trace with hash 538878486, now seen corresponding path program 3 times [2021-06-13 17:44:14,819 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:44:14,819 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492510487] [2021-06-13 17:44:14,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:44:14,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:44:14,906 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:44:14,906 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:44:14,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492510487] [2021-06-13 17:44:14,906 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492510487] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:44:14,906 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1379228333] [2021-06-13 17:44:14,906 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:44:14,947 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-06-13 17:44:14,947 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:44:14,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-13 17:44:14,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:44:15,111 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 9 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:44:15,111 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1379228333] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:44:15,112 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:44:15,112 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 20 [2021-06-13 17:44:15,112 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524385958] [2021-06-13 17:44:15,112 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-06-13 17:44:15,112 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:44:15,112 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-06-13 17:44:15,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2021-06-13 17:44:15,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:44:15,113 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:44:15,113 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 2.55) internal successors, (51), 20 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:44:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:44:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:44:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:44:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:44:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:44:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:44:15,113 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:44:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:44:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:44:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:44:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:44:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:44:15,548 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:44:15,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:44:15,756 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable285,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:44:15,757 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:44:15,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:44:15,757 INFO L82 PathProgramCache]: Analyzing trace with hash 157395674, now seen corresponding path program 4 times [2021-06-13 17:44:15,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:44:15,757 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789837119] [2021-06-13 17:44:15,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:44:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:44:15,844 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:44:15,844 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:44:15,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789837119] [2021-06-13 17:44:15,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789837119] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:44:15,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321334978] [2021-06-13 17:44:15,844 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:44:15,892 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-13 17:44:15,892 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:44:15,893 INFO L263 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-13 17:44:15,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:44:16,023 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 16 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-13 17:44:16,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321334978] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:44:16,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:44:16,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 17 [2021-06-13 17:44:16,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [175089683] [2021-06-13 17:44:16,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-13 17:44:16,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:44:16,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-13 17:44:16,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=190, Unknown=0, NotChecked=0, Total=272 [2021-06-13 17:44:16,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:44:16,025 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:44:16,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 2.823529411764706) internal successors, (48), 17 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:44:16,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:44:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:44:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:44:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:44:16,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:44:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:44:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:44:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:44:16,167 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:44:16,372 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable286,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:44:16,373 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:44:16,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:44:16,373 INFO L82 PathProgramCache]: Analyzing trace with hash -1710749704, now seen corresponding path program 5 times [2021-06-13 17:44:16,373 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:44:16,373 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462088948] [2021-06-13 17:44:16,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:44:16,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:44:17,851 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2021-06-13 17:44:18,287 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 248 [2021-06-13 17:44:18,865 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 74 [2021-06-13 17:44:19,557 WARN L205 SmtUtils]: Spent 687.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 344 [2021-06-13 17:44:20,820 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 344 DAG size of output: 124 [2021-06-13 17:44:21,683 WARN L205 SmtUtils]: Spent 858.00 ms on a formula simplification. DAG size of input: 328 DAG size of output: 423 [2021-06-13 17:44:23,664 WARN L205 SmtUtils]: Spent 1.90 s on a formula simplification. DAG size of input: 423 DAG size of output: 203 [2021-06-13 17:44:24,380 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 418 [2021-06-13 17:44:26,432 WARN L205 SmtUtils]: Spent 1.94 s on a formula simplification. DAG size of input: 418 DAG size of output: 198 [2021-06-13 17:44:27,304 WARN L205 SmtUtils]: Spent 868.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 373 [2021-06-13 17:44:28,579 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 373 DAG size of output: 121 [2021-06-13 17:44:29,102 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 254 [2021-06-13 17:44:29,844 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 75 [2021-06-13 17:44:29,960 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 158 [2021-06-13 17:44:30,347 WARN L205 SmtUtils]: Spent 335.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 45 [2021-06-13 17:44:30,454 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 156 [2021-06-13 17:44:30,846 WARN L205 SmtUtils]: Spent 328.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2021-06-13 17:44:31,018 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 22 [2021-06-13 17:44:31,059 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:44:31,060 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:44:31,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [462088948] [2021-06-13 17:44:31,060 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [462088948] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:44:31,060 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [236383934] [2021-06-13 17:44:31,060 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:44:31,106 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-06-13 17:44:31,106 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:44:31,107 WARN L261 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 50 conjunts are in the unsatisfiable core [2021-06-13 17:44:31,108 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:44:31,623 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2021-06-13 17:44:33,135 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 119 [2021-06-13 17:44:34,766 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification that was a NOOP. DAG size: 355 [2021-06-13 17:44:38,892 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 393 DAG size of output: 359 [2021-06-13 17:44:42,563 WARN L205 SmtUtils]: Spent 2.71 s on a formula simplification. DAG size of input: 399 DAG size of output: 363 [2021-06-13 17:44:46,308 WARN L205 SmtUtils]: Spent 2.90 s on a formula simplification. DAG size of input: 405 DAG size of output: 367 [2021-06-13 17:44:48,016 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification that was a NOOP. DAG size: 366 [2021-06-13 17:44:49,628 WARN L205 SmtUtils]: Spent 965.00 ms on a formula simplification that was a NOOP. DAG size: 356 [2021-06-13 17:44:51,696 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 355 [2021-06-13 17:44:52,578 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:44:52,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,585 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,589 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,591 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:44:52,617 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-13 17:44:52,619 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-13 17:44:52,678 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:44:52,680 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,681 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,683 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:44:52,686 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-13 17:44:52,688 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:00,396 WARN L205 SmtUtils]: Spent 7.71 s on a formula simplification. DAG size of input: 798 DAG size of output: 728 [2021-06-13 17:45:00,398 INFO L628 ElimStorePlain]: treesize reduction 1197, result has 68.9 percent of original size [2021-06-13 17:45:00,433 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:00,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,442 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:00,462 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-13 17:45:00,464 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:00,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:00,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:00,502 INFO L550 ElimStorePlain]: Start of recursive call 5: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:03,682 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification that was a NOOP. DAG size: 716 [2021-06-13 17:45:03,682 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:03,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,720 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,720 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:03,728 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:03,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-13 17:45:03,742 INFO L550 ElimStorePlain]: Start of recursive call 6: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:03,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:03,781 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:03,784 INFO L550 ElimStorePlain]: Start of recursive call 7: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:06,905 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification that was a NOOP. DAG size: 699 [2021-06-13 17:45:06,905 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:06,933 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:06,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:06,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:06,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:06,951 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:06,952 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:06,954 INFO L550 ElimStorePlain]: Start of recursive call 8: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:09,961 WARN L205 SmtUtils]: Spent 3.01 s on a formula simplification that was a NOOP. DAG size: 687 [2021-06-13 17:45:09,963 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:10,023 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,026 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:10,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,037 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:10,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-13 17:45:10,060 INFO L550 ElimStorePlain]: Start of recursive call 9: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:10,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:10,109 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 17:45:10,112 INFO L550 ElimStorePlain]: Start of recursive call 10: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:12,763 WARN L205 SmtUtils]: Spent 2.65 s on a formula simplification that was a NOOP. DAG size: 672 [2021-06-13 17:45:12,763 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:12,792 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:12,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:12,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:12,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:12,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:12,798 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:12,800 INFO L550 ElimStorePlain]: Start of recursive call 11: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:15,394 WARN L205 SmtUtils]: Spent 2.59 s on a formula simplification that was a NOOP. DAG size: 657 [2021-06-13 17:45:15,394 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:15,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:15,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:15,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:15,425 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:15,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:15,427 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-13 17:45:15,429 INFO L550 ElimStorePlain]: Start of recursive call 12: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:17,900 WARN L205 SmtUtils]: Spent 2.47 s on a formula simplification that was a NOOP. DAG size: 642 [2021-06-13 17:45:17,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:17,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:17,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,945 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:17,964 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-13 17:45:17,965 INFO L550 ElimStorePlain]: Start of recursive call 13: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:17,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:17,998 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:17,999 INFO L550 ElimStorePlain]: Start of recursive call 14: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:20,193 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 626 [2021-06-13 17:45:20,194 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:20,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:20,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:20,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:20,222 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:20,223 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:20,224 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-13 17:45:20,226 INFO L550 ElimStorePlain]: Start of recursive call 15: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:22,417 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification that was a NOOP. DAG size: 611 [2021-06-13 17:45:22,418 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:22,443 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:22,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:22,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:22,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:22,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:22,449 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-13 17:45:22,451 INFO L550 ElimStorePlain]: Start of recursive call 16: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:24,498 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification that was a NOOP. DAG size: 597 [2021-06-13 17:45:24,499 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:24,526 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,527 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,528 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,549 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:24,551 INFO L550 ElimStorePlain]: Start of recursive call 17: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:24,576 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:24,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:24,582 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-13 17:45:24,584 INFO L550 ElimStorePlain]: Start of recursive call 18: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:26,543 WARN L205 SmtUtils]: Spent 1.96 s on a formula simplification that was a NOOP. DAG size: 580 [2021-06-13 17:45:26,544 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:26,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:26,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:26,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:26,573 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:26,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:26,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:26,576 INFO L550 ElimStorePlain]: Start of recursive call 19: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:28,491 WARN L205 SmtUtils]: Spent 1.91 s on a formula simplification that was a NOOP. DAG size: 567 [2021-06-13 17:45:28,492 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:28,515 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:28,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,521 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:28,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-13 17:45:28,540 INFO L550 ElimStorePlain]: Start of recursive call 20: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:28,566 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,568 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:28,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 17:45:28,572 INFO L550 ElimStorePlain]: Start of recursive call 21: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:30,362 WARN L205 SmtUtils]: Spent 1.79 s on a formula simplification that was a NOOP. DAG size: 550 [2021-06-13 17:45:30,363 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:30,386 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:30,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,389 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,390 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,392 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:30,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-13 17:45:30,409 INFO L550 ElimStorePlain]: Start of recursive call 22: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:30,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:30,440 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 17:45:30,441 INFO L550 ElimStorePlain]: Start of recursive call 23: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:32,167 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification that was a NOOP. DAG size: 533 [2021-06-13 17:45:32,167 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:32,191 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:32,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:32,192 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:32,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:32,194 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:32,196 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-13 17:45:32,200 INFO L550 ElimStorePlain]: Start of recursive call 24: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:34,013 WARN L205 SmtUtils]: Spent 1.81 s on a formula simplification that was a NOOP. DAG size: 518 [2021-06-13 17:45:34,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:34,038 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,039 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,041 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:34,060 INFO L550 ElimStorePlain]: Start of recursive call 25: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:34,083 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,084 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,086 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:34,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:34,088 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-13 17:45:34,090 INFO L550 ElimStorePlain]: Start of recursive call 26: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:35,686 WARN L205 SmtUtils]: Spent 1.60 s on a formula simplification that was a NOOP. DAG size: 501 [2021-06-13 17:45:35,687 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:35,687 INFO L518 ElimStorePlain]: Eliminatee v_prenex_150 vanished before elimination [2021-06-13 17:45:35,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:35,710 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:35,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:35,712 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:35,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:35,714 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:35,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:35,716 INFO L550 ElimStorePlain]: Start of recursive call 27: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:37,289 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification that was a NOOP. DAG size: 486 [2021-06-13 17:45:37,289 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:37,309 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:37,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:37,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:37,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:37,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:37,314 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:37,315 INFO L550 ElimStorePlain]: Start of recursive call 28: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:38,794 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification that was a NOOP. DAG size: 471 [2021-06-13 17:45:38,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:38,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:38,819 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,823 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:38,845 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:38,846 INFO L550 ElimStorePlain]: Start of recursive call 29: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:38,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:38,881 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:38,883 INFO L550 ElimStorePlain]: Start of recursive call 30: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:40,281 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification that was a NOOP. DAG size: 455 [2021-06-13 17:45:40,281 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:40,302 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:40,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:40,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:40,305 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:40,306 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:40,307 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:40,308 INFO L550 ElimStorePlain]: Start of recursive call 31: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:41,672 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification that was a NOOP. DAG size: 440 [2021-06-13 17:45:41,672 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:41,693 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,697 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,699 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,700 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,715 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 40 treesize of output 22 [2021-06-13 17:45:41,716 INFO L550 ElimStorePlain]: Start of recursive call 32: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:41,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,736 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:41,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:41,740 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 52 treesize of output 28 [2021-06-13 17:45:41,742 INFO L550 ElimStorePlain]: Start of recursive call 33: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:43,004 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification that was a NOOP. DAG size: 423 [2021-06-13 17:45:43,005 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:43,026 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,028 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,029 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,044 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:43,045 INFO L550 ElimStorePlain]: Start of recursive call 34: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:43,066 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:43,068 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,069 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,070 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,071 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:43,071 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-13 17:45:43,073 INFO L550 ElimStorePlain]: Start of recursive call 35: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:44,235 WARN L205 SmtUtils]: Spent 1.16 s on a formula simplification that was a NOOP. DAG size: 406 [2021-06-13 17:45:44,236 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:44,253 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:44,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:44,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:44,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:44,257 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:44,258 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-13 17:45:44,260 INFO L550 ElimStorePlain]: Start of recursive call 36: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:45,372 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification that was a NOOP. DAG size: 391 [2021-06-13 17:45:45,372 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:45,390 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:45,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,395 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:45,406 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2021-06-13 17:45:45,408 INFO L550 ElimStorePlain]: Start of recursive call 37: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:45,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:45,431 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-13 17:45:45,433 INFO L550 ElimStorePlain]: Start of recursive call 38: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:46,465 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification that was a NOOP. DAG size: 374 [2021-06-13 17:45:46,466 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:46,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,485 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,486 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:46,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,491 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:46,501 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 45 treesize of output 25 [2021-06-13 17:45:46,510 INFO L550 ElimStorePlain]: Start of recursive call 39: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:46,529 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,530 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,531 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:46,533 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-13 17:45:46,548 INFO L550 ElimStorePlain]: Start of recursive call 40: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:47,522 WARN L205 SmtUtils]: Spent 973.00 ms on a formula simplification that was a NOOP. DAG size: 357 [2021-06-13 17:45:47,522 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:47,538 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:47,539 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:47,540 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:47,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:47,542 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:47,543 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 25 [2021-06-13 17:45:47,544 INFO L550 ElimStorePlain]: Start of recursive call 41: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:48,485 WARN L205 SmtUtils]: Spent 939.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-06-13 17:45:48,485 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:48,502 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:48,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,507 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:48,517 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 54 treesize of output 28 [2021-06-13 17:45:48,519 INFO L550 ElimStorePlain]: Start of recursive call 42: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:48,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:48,538 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 22 [2021-06-13 17:45:48,540 INFO L550 ElimStorePlain]: Start of recursive call 43: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:49,403 WARN L205 SmtUtils]: Spent 863.00 ms on a formula simplification that was a NOOP. DAG size: 325 [2021-06-13 17:45:49,404 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:49,419 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:49,420 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:49,421 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:49,422 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:49,423 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:49,423 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:49,425 INFO L550 ElimStorePlain]: Start of recursive call 44: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:50,252 WARN L205 SmtUtils]: Spent 827.00 ms on a formula simplification that was a NOOP. DAG size: 310 [2021-06-13 17:45:50,252 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:50,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:50,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:50,273 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:50,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:50,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:50,276 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 49 treesize of output 25 [2021-06-13 17:45:50,278 INFO L550 ElimStorePlain]: Start of recursive call 45: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:51,084 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-06-13 17:45:51,085 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:51,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,119 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 38 treesize of output 22 [2021-06-13 17:45:51,121 INFO L550 ElimStorePlain]: Start of recursive call 46: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:51,141 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:51,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 28 [2021-06-13 17:45:51,149 INFO L550 ElimStorePlain]: Start of recursive call 47: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:51,885 WARN L205 SmtUtils]: Spent 736.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-06-13 17:45:51,886 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:51,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,901 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-13 17:45:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-13 17:45:51,904 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 22 [2021-06-13 17:45:51,906 INFO L550 ElimStorePlain]: Start of recursive call 48: End of recursive call: and 1 xjuncts. [2021-06-13 17:45:52,612 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2021-06-13 17:45:52,613 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-13 17:45:52,643 INFO L550 ElimStorePlain]: Start of recursive call 1: 64 dim-0 vars, 32 dim-1 vars, End of recursive call: and 21 xjuncts. [2021-06-13 17:45:52,643 INFO L247 ElimStorePlain]: Needed 48 recursive calls to eliminate 96 variables, input treesize:3924, output treesize:252 [2021-06-13 17:45:52,864 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:45:52,865 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [236383934] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:45:52,865 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:45:52,865 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-06-13 17:45:52,865 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929695893] [2021-06-13 17:45:52,865 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-13 17:45:52,865 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:45:52,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-13 17:45:52,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=899, Unknown=0, NotChecked=0, Total=992 [2021-06-13 17:45:52,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:45:52,866 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:45:52,867 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.3125) internal successors, (74), 32 states have internal predecessors, (74), 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) [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:45:52,867 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:45:53,374 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2021-06-13 17:45:53,871 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2021-06-13 17:45:54,520 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 57 [2021-06-13 17:45:54,737 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 61 [2021-06-13 17:45:55,106 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 67 [2021-06-13 17:45:55,432 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 85 [2021-06-13 17:45:57,286 WARN L205 SmtUtils]: Spent 1.62 s on a formula simplification. DAG size of input: 560 DAG size of output: 204 [2021-06-13 17:46:00,246 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 300 DAG size of output: 123 [2021-06-13 17:46:04,845 WARN L205 SmtUtils]: Spent 4.19 s on a formula simplification. DAG size of input: 604 DAG size of output: 167 [2021-06-13 17:46:05,794 WARN L205 SmtUtils]: Spent 821.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 191 [2021-06-13 17:46:06,233 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 82 [2021-06-13 17:46:06,958 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2021-06-13 17:46:07,967 WARN L205 SmtUtils]: Spent 856.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 192 [2021-06-13 17:46:08,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:46:08,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 17:46:08,289 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable287 [2021-06-13 17:46:08,289 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:46:08,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:46:08,289 INFO L82 PathProgramCache]: Analyzing trace with hash 1933198930, now seen corresponding path program 6 times [2021-06-13 17:46:08,290 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:46:08,290 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1445968183] [2021-06-13 17:46:08,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:46:08,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:46:08,424 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:46:08,424 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-13 17:46:08,424 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1445968183] [2021-06-13 17:46:08,425 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1445968183] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:46:08,425 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800104143] [2021-06-13 17:46:08,425 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-13 17:46:08,476 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-13 17:46:08,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-13 17:46:08,477 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-13 17:46:08,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-13 17:46:08,747 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 18 proven. 43 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-13 17:46:08,747 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800104143] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-13 17:46:08,747 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-13 17:46:08,747 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 29 [2021-06-13 17:46:08,747 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142787624] [2021-06-13 17:46:08,748 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-13 17:46:08,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-13 17:46:08,749 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-13 17:46:08,750 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=652, Unknown=0, NotChecked=0, Total=812 [2021-06-13 17:46:08,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:46:08,750 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-13 17:46:08,750 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.3793103448275863) internal successors, (69), 29 states have internal predecessors, (69), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-06-13 17:46:08,750 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-13 17:46:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-13 17:46:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-13 17:46:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-13 17:46:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-13 17:46:08,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-06-13 17:46:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:46:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-13 17:46:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-13 17:46:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-06-13 17:46:08,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-06-13 17:46:09,202 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable443 [2021-06-13 17:46:09,202 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-13 17:46:09,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-13 17:46:09,203 INFO L82 PathProgramCache]: Analyzing trace with hash 976790896, now seen corresponding path program 7 times [2021-06-13 17:46:09,203 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-13 17:46:09,203 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321157815] [2021-06-13 17:46:09,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-13 17:46:09,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-13 17:46:14,006 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 30 [2021-06-13 17:46:14,113 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 128 [2021-06-13 17:46:14,276 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2021-06-13 17:46:14,692 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 69 [2021-06-13 17:46:14,923 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 249 [2021-06-13 17:46:15,607 WARN L205 SmtUtils]: Spent 642.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 101 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown