/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-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 21:09:00,801 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 21:09:00,803 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 21:09:00,831 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-16 21:09:00,861 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-Symm.epf [2021-06-16 21:09:00,885 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 21:09:00,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 21:09:00,886 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 21:09:00,886 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 21:09:00,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 21:09:00,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 21:09:00,887 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 21:09:00,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 21:09:00,887 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 21:09:00,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 21:09:00,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 21:09:00,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 21:09:00,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 21:09:00,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 21:09:00,896 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 21:09:00,897 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 21:09:00,897 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 21:09:00,897 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 21:09:00,897 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 21:09:00,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 21:09:00,897 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 21:09:00,898 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 21:09:00,898 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 21:09:00,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 21:09:00,898 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 21:09:00,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 21:09:00,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 21:09:00,898 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 21:09:00,899 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 21:09:00,899 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 21:09:00,899 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 21:09:00,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 21:09:00,899 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 21:09:00,899 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 21:09:00,901 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 21:09:01,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 21:09:01,218 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 21:09:01,220 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 21:09:01,222 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 21:09:01,226 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 21:09:01,227 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl [2021-06-16 21:09:01,228 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/simple-array-sum.wvr.bpl' [2021-06-16 21:09:01,255 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 21:09:01,256 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 21:09:01,257 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 21:09:01,257 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 21:09:01,257 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 21:09:01,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,280 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 21:09:01,281 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 21:09:01,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 21:09:01,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 21:09:01,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,289 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,289 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,292 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,295 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,296 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/1) ... [2021-06-16 21:09:01,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 21:09:01,298 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 21:09:01,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 21:09:01,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 21:09:01,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (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 [2021-06-16 21:09:01,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-16 21:09:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-16 21:09:01,364 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-16 21:09:01,364 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-16 21:09:01,364 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-16 21:09:01,365 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-16 21:09:01,365 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 21:09:01,365 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 21:09:01,366 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 21:09:01,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-06-16 21:09:01,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-16 21:09:01,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-16 21:09:01,368 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 21:09:01,602 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 21:09:01,602 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 21:09:01,604 INFO L202 PluginConnector]: Adding new model simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:09:01 BoogieIcfgContainer [2021-06-16 21:09:01,604 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 21:09:01,606 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 21:09:01,606 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 21:09:01,608 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 21:09:01,608 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 09:09:01" (1/2) ... [2021-06-16 21:09:01,609 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@22f6af74 and model type simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 09:09:01, skipping insertion in model container [2021-06-16 21:09:01,609 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "simple-array-sum.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 09:09:01" (2/2) ... [2021-06-16 21:09:01,610 INFO L111 eAbstractionObserver]: Analyzing ICFG simple-array-sum.wvr.bpl [2021-06-16 21:09:01,633 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 21:09:01,634 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 21:09:01,634 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 21:09:01,635 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 21:09:01,698 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-06-16 21:09:01,716 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 [2021-06-16 21:09:01,755 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 21:09:01,755 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 21:09:01,755 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 21:09:01,756 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 21:09:01,756 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 21:09:01,756 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 21:09:01,756 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 21:09:01,756 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 21:09:01,874 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:01,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:01,884 INFO L82 PathProgramCache]: Analyzing trace with hash 1181085272, now seen corresponding path program 1 times [2021-06-16 21:09:01,891 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:01,893 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696318798] [2021-06-16 21:09:01,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:01,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:09:02,075 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:02,075 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696318798] [2021-06-16 21:09:02,075 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [696318798] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:09:02,076 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:09:02,076 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:09:02,076 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [347554877] [2021-06-16 21:09:02,080 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-06-16 21:09:02,080 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:02,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-06-16 21:09:02,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-06-16 21:09:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:02,093 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:02,095 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 5.25) internal successors, (21), 3 states have internal predecessors, (21), 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) [2021-06-16 21:09:02,095 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:02,156 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:02,157 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 21:09:02,157 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:02,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:02,158 INFO L82 PathProgramCache]: Analyzing trace with hash 1914667130, now seen corresponding path program 1 times [2021-06-16 21:09:02,158 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:02,158 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1191593546] [2021-06-16 21:09:02,159 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:02,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:02,208 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:02,209 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:02,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1191593546] [2021-06-16 21:09:02,209 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1191593546] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:02,209 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769909421] [2021-06-16 21:09:02,210 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 [2021-06-16 21:09:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:02,263 INFO L263 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 3 conjunts are in the unsatisfiable core [2021-06-16 21:09:02,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:02,339 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:09:02,340 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769909421] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:09:02,340 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-06-16 21:09:02,340 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2021-06-16 21:09:02,341 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281629711] [2021-06-16 21:09:02,341 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:09:02,342 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:02,342 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:09:02,343 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-06-16 21:09:02,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:02,343 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:02,343 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 7.666666666666667) internal successors, (23), 2 states have internal predecessors, (23), 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) [2021-06-16 21:09:02,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:02,343 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:02,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:02,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:02,603 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:02,604 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:02,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:02,605 INFO L82 PathProgramCache]: Analyzing trace with hash 837554965, now seen corresponding path program 1 times [2021-06-16 21:09:02,605 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:02,605 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [863592883] [2021-06-16 21:09:02,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:02,639 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-06-16 21:09:02,639 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:02,640 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [863592883] [2021-06-16 21:09:02,640 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [863592883] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 21:09:02,640 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 21:09:02,640 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 21:09:02,640 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544352072] [2021-06-16 21:09:02,641 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 21:09:02,641 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:02,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 21:09:02,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 21:09:02,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:02,642 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:02,642 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 8.333333333333334) internal successors, (25), 3 states have internal predecessors, (25), 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) [2021-06-16 21:09:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:02,642 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:02,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:02,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:02,691 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 21:09:02,691 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:02,692 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:02,692 INFO L82 PathProgramCache]: Analyzing trace with hash 864862616, now seen corresponding path program 2 times [2021-06-16 21:09:02,692 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:02,692 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [325877677] [2021-06-16 21:09:02,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:02,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 5 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:02,757 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:02,757 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [325877677] [2021-06-16 21:09:02,757 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [325877677] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:02,758 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1103657721] [2021-06-16 21:09:02,758 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 [2021-06-16 21:09:02,806 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:09:02,806 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:02,807 INFO L263 TraceCheckSpWp]: Trace formula consists of 70 conjuncts, 6 conjunts are in the unsatisfiable core [2021-06-16 21:09:02,808 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:02,903 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-06-16 21:09:02,903 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1103657721] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:02,903 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:02,903 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2021-06-16 21:09:02,904 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [647271627] [2021-06-16 21:09:02,904 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 21:09:02,904 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:02,905 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 21:09:02,905 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2021-06-16 21:09:02,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:02,905 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:02,906 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 4.0) internal successors, (44), 10 states have internal predecessors, (44), 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) [2021-06-16 21:09:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:02,906 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:03,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:03,449 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:03,449 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:03,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:03,450 INFO L82 PathProgramCache]: Analyzing trace with hash 336475472, now seen corresponding path program 3 times [2021-06-16 21:09:03,450 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:03,450 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143864064] [2021-06-16 21:09:03,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:03,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:04,000 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:04,000 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:04,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143864064] [2021-06-16 21:09:04,001 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143864064] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:04,001 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [606244004] [2021-06-16 21:09:04,001 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 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 [2021-06-16 21:09:04,058 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-16 21:09:04,058 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:04,059 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 32 conjunts are in the unsatisfiable core [2021-06-16 21:09:04,060 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:04,375 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 14 treesize of output 13 [2021-06-16 21:09:04,377 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:04,399 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:04,404 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:04,404 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:65, output treesize:64 [2021-06-16 21:09:04,494 INFO L446 ElimStorePlain]: Different costs {1=[v_C_15], 3=[A]} [2021-06-16 21:09:04,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:04,500 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-16 21:09:04,504 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:04,524 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:04,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:04,535 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:04,536 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:04,542 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 33 [2021-06-16 21:09:04,544 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:04,558 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:04,561 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:04,562 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:72, output treesize:60 [2021-06-16 21:09:04,792 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 20 [2021-06-16 21:09:04,794 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:04,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:04,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:04,801 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:14 [2021-06-16 21:09:04,853 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:04,853 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [606244004] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:04,853 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:04,853 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 18 [2021-06-16 21:09:04,854 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932018169] [2021-06-16 21:09:04,854 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-16 21:09:04,854 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:04,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-16 21:09:04,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=303, Unknown=0, NotChecked=0, Total=342 [2021-06-16 21:09:04,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:04,863 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:04,863 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.8421052631578947) internal successors, (54), 18 states have internal predecessors, (54), 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) [2021-06-16 21:09:04,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:04,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:04,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:04,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:04,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:05,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:05,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:05,424 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:05,425 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:05,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:05,425 INFO L82 PathProgramCache]: Analyzing trace with hash 1555687790, now seen corresponding path program 4 times [2021-06-16 21:09:05,425 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:05,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745047605] [2021-06-16 21:09:05,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:05,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:05,483 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 1 proven. 13 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-06-16 21:09:05,484 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:05,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745047605] [2021-06-16 21:09:05,484 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745047605] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:05,484 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [321052203] [2021-06-16 21:09:05,484 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 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 [2021-06-16 21:09:05,523 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:09:05,523 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:05,524 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-16 21:09:05,525 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:05,660 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-06-16 21:09:05,661 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [321052203] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:05,661 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:05,661 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2021-06-16 21:09:05,661 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788037973] [2021-06-16 21:09:05,661 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-06-16 21:09:05,662 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:05,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-06-16 21:09:05,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=147, Unknown=0, NotChecked=0, Total=182 [2021-06-16 21:09:05,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:05,662 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:05,663 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 13 states have internal predecessors, (53), 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) [2021-06-16 21:09:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:05,663 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:06,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:06,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:06,201 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:06,425 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-06-16 21:09:06,425 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:06,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:06,426 INFO L82 PathProgramCache]: Analyzing trace with hash 565933208, now seen corresponding path program 5 times [2021-06-16 21:09:06,426 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:06,426 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1057554425] [2021-06-16 21:09:06,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:06,498 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-16 21:09:06,498 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:06,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1057554425] [2021-06-16 21:09:06,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1057554425] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:06,498 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335658915] [2021-06-16 21:09:06,498 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 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 [2021-06-16 21:09:06,551 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-16 21:09:06,551 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:06,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 21:09:06,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:06,636 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 16 proven. 9 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-06-16 21:09:06,636 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335658915] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:06,636 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:06,637 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-16 21:09:06,637 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697993793] [2021-06-16 21:09:06,637 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 21:09:06,637 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:06,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 21:09:06,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2021-06-16 21:09:06,638 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:06,638 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:06,638 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.4545454545454546) internal successors, (38), 10 states have internal predecessors, (38), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:09:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:06,639 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:06,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:06,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:06,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:06,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:06,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:06,961 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:06,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:06,961 INFO L82 PathProgramCache]: Analyzing trace with hash -1382710726, now seen corresponding path program 6 times [2021-06-16 21:09:06,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:06,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2011253953] [2021-06-16 21:09:06,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:06,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:07,057 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-16 21:09:07,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:07,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2011253953] [2021-06-16 21:09:07,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2011253953] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:07,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1631349051] [2021-06-16 21:09:07,057 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 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 [2021-06-16 21:09:07,109 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-06-16 21:09:07,109 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:07,110 INFO L263 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjunts are in the unsatisfiable core [2021-06-16 21:09:07,111 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:07,207 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 9 proven. 19 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-06-16 21:09:07,207 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1631349051] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:07,207 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:07,207 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-06-16 21:09:07,207 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2050538619] [2021-06-16 21:09:07,208 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-16 21:09:07,208 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:07,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-16 21:09:07,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2021-06-16 21:09:07,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:07,209 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:07,209 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.6363636363636362) internal successors, (40), 10 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) [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:07,209 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:07,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:07,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:07,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:07,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:07,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:07,695 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:07,695 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:07,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:07,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1426599030, now seen corresponding path program 7 times [2021-06-16 21:09:07,696 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:07,696 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972037263] [2021-06-16 21:09:07,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:07,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:08,287 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:08,287 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:08,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972037263] [2021-06-16 21:09:08,287 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [972037263] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:08,287 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [695373584] [2021-06-16 21:09:08,287 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2021-06-16 21:09:08,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:08,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 52 conjunts are in the unsatisfiable core [2021-06-16 21:09:08,341 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:08,633 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-06-16 21:09:08,634 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:08,650 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,650 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:42 [2021-06-16 21:09:08,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,716 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-16 21:09:08,717 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,731 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:08,732 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,732 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:56, output treesize:55 [2021-06-16 21:09:08,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-06-16 21:09:08,802 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,822 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:08,823 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,823 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:68 [2021-06-16 21:09:08,902 INFO L446 ElimStorePlain]: Different costs {6=[v_C_19], 22=[A]} [2021-06-16 21:09:08,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,914 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-06-16 21:09:08,916 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,932 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:08,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,938 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:08,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,940 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:08,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:08,941 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:08,942 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 6 disjoint index pairs (out of 28 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 42 [2021-06-16 21:09:08,944 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,952 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:08,953 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:08,953 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:77, output treesize:36 [2021-06-16 21:09:09,181 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 17 [2021-06-16 21:09:09,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:09,187 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:09,188 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:09,189 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:12 [2021-06-16 21:09:09,245 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 0 proven. 54 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:09,246 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [695373584] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:09,246 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:09,246 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-16 21:09:09,246 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854640737] [2021-06-16 21:09:09,246 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-16 21:09:09,247 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:09,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-16 21:09:09,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=855, Unknown=0, NotChecked=0, Total=930 [2021-06-16 21:09:09,247 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:09,248 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:09,248 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 2.6774193548387095) internal successors, (83), 30 states have internal predecessors, (83), 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) [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:09,248 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:09,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:09,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:09,838 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-06-16 21:09:09,838 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:09,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:09,839 INFO L82 PathProgramCache]: Analyzing trace with hash -1160840408, now seen corresponding path program 8 times [2021-06-16 21:09:09,839 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:09,839 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [86294824] [2021-06-16 21:09:09,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:09,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:09,924 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 16 proven. 32 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-16 21:09:09,924 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:09,924 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [86294824] [2021-06-16 21:09:09,925 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [86294824] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:09,925 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1284980500] [2021-06-16 21:09:09,925 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 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 [2021-06-16 21:09:09,962 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:09:09,963 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:09,963 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 21:09:09,965 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:10,058 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-06-16 21:09:10,058 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1284980500] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:10,058 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:10,058 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-16 21:09:10,059 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937872851] [2021-06-16 21:09:10,059 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 21:09:10,059 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:10,059 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 21:09:10,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-06-16 21:09:10,060 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:10,060 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:10,060 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.3846153846153846) internal successors, (44), 12 states have internal predecessors, (44), 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) [2021-06-16 21:09:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:10,060 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:10,061 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:10,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:10,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:10,584 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:10,585 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:10,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:10,585 INFO L82 PathProgramCache]: Analyzing trace with hash -1710588692, now seen corresponding path program 9 times [2021-06-16 21:09:10,585 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:10,586 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330215210] [2021-06-16 21:09:10,586 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:10,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:10,687 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 9 proven. 38 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-16 21:09:10,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:10,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330215210] [2021-06-16 21:09:10,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330215210] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:10,688 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1733292022] [2021-06-16 21:09:10,688 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:10,736 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-16 21:09:10,736 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:10,737 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 11 conjunts are in the unsatisfiable core [2021-06-16 21:09:10,739 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:10,845 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 16 proven. 31 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-16 21:09:10,846 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1733292022] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:10,846 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:10,846 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 12 [2021-06-16 21:09:10,846 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [280438282] [2021-06-16 21:09:10,846 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-16 21:09:10,846 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:10,847 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-16 21:09:10,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2021-06-16 21:09:10,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:10,847 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:10,847 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 3.4615384615384617) internal successors, (45), 12 states have internal predecessors, (45), 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) [2021-06-16 21:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:10,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:10,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:10,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:10,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:10,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:10,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:10,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:10,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:11,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:11,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:11,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:11,365 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:11,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:11,365 INFO L82 PathProgramCache]: Analyzing trace with hash 1811514264, now seen corresponding path program 10 times [2021-06-16 21:09:11,365 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:11,365 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806180735] [2021-06-16 21:09:11,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:11,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:11,503 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-16 21:09:11,503 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:11,503 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806180735] [2021-06-16 21:09:11,503 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806180735] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:11,504 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [966782995] [2021-06-16 21:09:11,504 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:11,559 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:09:11,559 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:11,560 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-16 21:09:11,563 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:11,662 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 36 proven. 25 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2021-06-16 21:09:11,662 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [966782995] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:11,662 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:11,663 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-16 21:09:11,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692269901] [2021-06-16 21:09:11,663 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 21:09:11,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:11,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 21:09:11,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2021-06-16 21:09:11,664 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:11,664 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:11,664 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.066666666666667) internal successors, (46), 14 states have internal predecessors, (46), 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) [2021-06-16 21:09:11,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:11,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:11,664 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:11,665 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:11,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:11,860 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:12,076 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-06-16 21:09:12,077 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:12,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash 865209786, now seen corresponding path program 11 times [2021-06-16 21:09:12,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:12,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250549144] [2021-06-16 21:09:12,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:12,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:12,214 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 16 proven. 55 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-16 21:09:12,214 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:12,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250549144] [2021-06-16 21:09:12,214 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [250549144] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:12,214 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2109114306] [2021-06-16 21:09:12,214 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:12,260 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-06-16 21:09:12,261 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:12,262 INFO L263 TraceCheckSpWp]: Trace formula consists of 143 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-16 21:09:12,263 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:12,377 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 25 proven. 46 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2021-06-16 21:09:12,378 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2109114306] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:12,378 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:12,378 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-16 21:09:12,378 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957606014] [2021-06-16 21:09:12,378 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-16 21:09:12,378 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:12,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-16 21:09:12,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-06-16 21:09:12,379 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:12,379 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:12,379 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 3.3333333333333335) internal successors, (50), 14 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-16 21:09:12,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:12,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:12,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:12,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:12,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:12,379 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:12,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:12,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:12,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:12,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:12,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:12,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:12,380 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:12,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:12,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:12,735 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:12,952 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-06-16 21:09:12,952 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:12,952 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:12,952 INFO L82 PathProgramCache]: Analyzing trace with hash -756705270, now seen corresponding path program 12 times [2021-06-16 21:09:12,953 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:12,953 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482390274] [2021-06-16 21:09:12,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:14,057 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 4 proven. 119 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:14,057 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:14,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482390274] [2021-06-16 21:09:14,057 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482390274] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:14,057 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014622547] [2021-06-16 21:09:14,057 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:14,103 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-06-16 21:09:14,103 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:14,104 WARN L261 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 80 conjunts are in the unsatisfiable core [2021-06-16 21:09:14,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:14,634 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-06-16 21:09:14,635 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:14,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:14,651 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:14,651 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:60, output treesize:59 [2021-06-16 21:09:14,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:14,726 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-16 21:09:14,727 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:14,742 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:14,744 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:14,745 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:73, output treesize:72 [2021-06-16 21:09:14,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:14,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:14,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:14,826 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-06-16 21:09:14,828 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:14,844 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:14,854 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:14,854 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:86, output treesize:85 [2021-06-16 21:09:15,052 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,054 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,055 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,057 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,058 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-06-16 21:09:15,059 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:15,080 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:15,083 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:15,083 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:104, output treesize:103 [2021-06-16 21:09:15,266 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,274 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-06-16 21:09:15,280 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:15,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:15,307 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:15,307 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:117, output treesize:116 [2021-06-16 21:09:15,564 INFO L446 ElimStorePlain]: Different costs {15=[v_C_25], 21=[A]} [2021-06-16 21:09:15,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,571 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,574 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,576 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,577 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,579 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,580 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,582 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,584 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-06-16 21:09:15,586 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:15,618 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,622 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,626 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,627 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,628 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,629 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,632 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,637 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:15,645 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:15,645 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 20 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 1 case distinctions, treesize of input 105 treesize of output 73 [2021-06-16 21:09:15,648 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 21:09:15,670 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:15,679 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:15,680 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 3 variables, input treesize:133, output treesize:65 [2021-06-16 21:09:16,286 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:16,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:16,347 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:16,348 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 17 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 11 case distinctions, treesize of input 47 treesize of output 119 [2021-06-16 21:09:16,378 INFO L550 ElimStorePlain]: Start of recursive call 2: 1 dim-0 vars, End of recursive call: and 2 xjuncts. [2021-06-16 21:09:16,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:16,392 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-16 21:09:16,393 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:61, output treesize:37 [2021-06-16 21:09:16,574 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:16,574 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014622547] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:16,574 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:16,574 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 29] total 50 [2021-06-16 21:09:16,574 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340243552] [2021-06-16 21:09:16,575 INFO L462 AbstractCegarLoop]: Interpolant automaton has 51 states [2021-06-16 21:09:16,575 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:16,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 51 interpolants. [2021-06-16 21:09:16,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=251, Invalid=2299, Unknown=0, NotChecked=0, Total=2550 [2021-06-16 21:09:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:16,576 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:16,576 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 51 states, 51 states have (on average 2.176470588235294) internal successors, (111), 50 states have internal predecessors, (111), 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) [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:16,576 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:16,577 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:17,745 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 68 [2021-06-16 21:09:20,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:20,483 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:20,684 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-06-16 21:09:20,684 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:20,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:20,684 INFO L82 PathProgramCache]: Analyzing trace with hash 1345775126, now seen corresponding path program 13 times [2021-06-16 21:09:20,685 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:20,685 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [789334275] [2021-06-16 21:09:20,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:20,820 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 25 proven. 75 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-06-16 21:09:20,820 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:20,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [789334275] [2021-06-16 21:09:20,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [789334275] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:20,820 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1664530420] [2021-06-16 21:09:20,820 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:20,871 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 17 conjunts are in the unsatisfiable core [2021-06-16 21:09:20,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:21,219 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 139 proven. 49 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-06-16 21:09:21,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1664530420] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:21,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:21,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 17] total 31 [2021-06-16 21:09:21,220 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [620200066] [2021-06-16 21:09:21,221 INFO L462 AbstractCegarLoop]: Interpolant automaton has 32 states [2021-06-16 21:09:21,221 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:21,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2021-06-16 21:09:21,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=153, Invalid=839, Unknown=0, NotChecked=0, Total=992 [2021-06-16 21:09:21,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:21,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:21,222 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 32 states, 32 states have (on average 2.9375) internal successors, (94), 31 states have internal predecessors, (94), 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) [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:21,222 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:21,223 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:22,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:22,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:22,427 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:22,427 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:22,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:22,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1033918032, now seen corresponding path program 14 times [2021-06-16 21:09:22,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:22,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581335194] [2021-06-16 21:09:22,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:22,640 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 36 proven. 98 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-06-16 21:09:22,640 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:22,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581335194] [2021-06-16 21:09:22,641 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581335194] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:22,641 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813471473] [2021-06-16 21:09:22,641 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:22,703 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:09:22,703 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:22,704 INFO L263 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 21:09:22,705 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:23,077 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 149 proven. 64 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-06-16 21:09:23,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813471473] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:23,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:23,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 19] total 35 [2021-06-16 21:09:23,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [253473973] [2021-06-16 21:09:23,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 36 states [2021-06-16 21:09:23,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:23,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 36 interpolants. [2021-06-16 21:09:23,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=1070, Unknown=0, NotChecked=0, Total=1260 [2021-06-16 21:09:23,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:23,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:23,080 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 36 states, 36 states have (on average 2.861111111111111) internal successors, (103), 35 states have internal predecessors, (103), 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) [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:23,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:23,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:23,081 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:24,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:24,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:24,336 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:24,337 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:24,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:24,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1309605678, now seen corresponding path program 15 times [2021-06-16 21:09:24,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:24,337 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1234498381] [2021-06-16 21:09:24,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:24,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:24,511 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 49 proven. 124 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-06-16 21:09:24,512 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:24,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1234498381] [2021-06-16 21:09:24,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1234498381] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:24,512 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1219017279] [2021-06-16 21:09:24,512 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:24,564 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 10 check-sat command(s) [2021-06-16 21:09:24,564 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:24,565 INFO L263 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 19 conjunts are in the unsatisfiable core [2021-06-16 21:09:24,566 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:24,741 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 64 proven. 109 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-06-16 21:09:24,741 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1219017279] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:24,741 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:24,741 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-06-16 21:09:24,741 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [337496455] [2021-06-16 21:09:24,742 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-16 21:09:24,742 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:24,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-16 21:09:24,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2021-06-16 21:09:24,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:24,743 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:24,743 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 3.0952380952380953) internal successors, (65), 20 states have internal predecessors, (65), 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) [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:24,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:24,744 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:25,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:25,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:25,588 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,17 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:25,589 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:25,589 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:25,589 INFO L82 PathProgramCache]: Analyzing trace with hash -1102533134, now seen corresponding path program 16 times [2021-06-16 21:09:25,589 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:25,589 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [78001384] [2021-06-16 21:09:25,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:25,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:25,882 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 169 proven. 81 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2021-06-16 21:09:25,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:25,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [78001384] [2021-06-16 21:09:25,883 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [78001384] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:25,883 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1040623477] [2021-06-16 21:09:25,883 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:25,928 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-16 21:09:25,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:25,929 INFO L263 TraceCheckSpWp]: Trace formula consists of 224 conjuncts, 21 conjunts are in the unsatisfiable core [2021-06-16 21:09:25,930 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:26,089 INFO L134 CoverageAnalysis]: Checked inductivity of 367 backedges. 157 proven. 81 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2021-06-16 21:09:26,089 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1040623477] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:26,090 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:26,090 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 21] total 25 [2021-06-16 21:09:26,090 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1090853536] [2021-06-16 21:09:26,090 INFO L462 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-06-16 21:09:26,090 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:26,091 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-06-16 21:09:26,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=182, Invalid=468, Unknown=0, NotChecked=0, Total=650 [2021-06-16 21:09:26,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:26,091 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:26,091 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 2.6923076923076925) internal successors, (70), 25 states have internal predecessors, (70), 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) [2021-06-16 21:09:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:26,091 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:26,092 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:26,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:26,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:26,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:26,699 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2021-06-16 21:09:26,700 INFO L430 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:26,700 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:26,700 INFO L82 PathProgramCache]: Analyzing trace with hash 537407380, now seen corresponding path program 17 times [2021-06-16 21:09:26,700 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:26,700 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502746799] [2021-06-16 21:09:26,700 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:26,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:26,982 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 64 proven. 153 refuted. 0 times theorem prover too weak. 169 trivial. 0 not checked. [2021-06-16 21:09:26,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:26,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502746799] [2021-06-16 21:09:26,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [502746799] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:26,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935526625] [2021-06-16 21:09:26,982 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:27,071 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 14 check-sat command(s) [2021-06-16 21:09:27,072 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:27,073 INFO L263 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-16 21:09:27,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:27,512 INFO L134 CoverageAnalysis]: Checked inductivity of 386 backedges. 144 proven. 142 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-06-16 21:09:27,512 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1935526625] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:27,512 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:27,512 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 24] total 37 [2021-06-16 21:09:27,512 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1354210693] [2021-06-16 21:09:27,513 INFO L462 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-06-16 21:09:27,513 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:27,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-06-16 21:09:27,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=265, Invalid=1141, Unknown=0, NotChecked=0, Total=1406 [2021-06-16 21:09:27,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:27,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:27,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 2.9473684210526314) internal successors, (112), 37 states have internal predecessors, (112), 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) [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:27,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:27,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:35,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:35,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:35,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2021-06-16 21:09:35,335 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2021-06-16 21:09:35,335 INFO L430 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:35,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:35,336 INFO L82 PathProgramCache]: Analyzing trace with hash -817450226, now seen corresponding path program 18 times [2021-06-16 21:09:35,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:35,336 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928328829] [2021-06-16 21:09:35,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:35,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:35,882 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 391 proven. 125 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:35,882 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:35,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928328829] [2021-06-16 21:09:35,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928328829] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:35,882 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398041999] [2021-06-16 21:09:35,882 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:35,954 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 14 check-sat command(s) [2021-06-16 21:09:35,955 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:35,956 INFO L263 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 28 conjunts are in the unsatisfiable core [2021-06-16 21:09:35,957 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:36,944 INFO L134 CoverageAnalysis]: Checked inductivity of 516 backedges. 247 proven. 125 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2021-06-16 21:09:36,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398041999] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:36,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:36,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [38, 27] total 64 [2021-06-16 21:09:36,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1696037185] [2021-06-16 21:09:36,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 65 states [2021-06-16 21:09:36,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:36,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2021-06-16 21:09:36,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=496, Invalid=3664, Unknown=0, NotChecked=0, Total=4160 [2021-06-16 21:09:36,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:36,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:36,947 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 65 states, 65 states have (on average 2.646153846153846) internal successors, (172), 64 states have internal predecessors, (172), 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) [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:36,947 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2021-06-16 21:09:36,948 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:38,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:38,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2021-06-16 21:09:38,869 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-16 21:09:39,077 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 20 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable33 [2021-06-16 21:09:39,077 INFO L430 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:39,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:39,077 INFO L82 PathProgramCache]: Analyzing trace with hash 606712112, now seen corresponding path program 19 times [2021-06-16 21:09:39,077 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:39,077 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [664902869] [2021-06-16 21:09:39,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:39,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:39,798 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 391 proven. 146 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:39,798 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:39,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [664902869] [2021-06-16 21:09:39,798 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [664902869] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:39,798 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1217028670] [2021-06-16 21:09:39,798 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:39,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:39,867 INFO L263 TraceCheckSpWp]: Trace formula consists of 258 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-16 21:09:39,868 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:40,680 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 167 proven. 121 refuted. 0 times theorem prover too weak. 249 trivial. 0 not checked. [2021-06-16 21:09:40,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1217028670] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:40,681 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:40,681 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 25] total 63 [2021-06-16 21:09:40,681 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117594993] [2021-06-16 21:09:40,681 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-06-16 21:09:40,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:40,682 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-06-16 21:09:40,683 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=491, Invalid=3541, Unknown=0, NotChecked=0, Total=4032 [2021-06-16 21:09:40,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:40,683 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:40,683 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.5) internal successors, (160), 63 states have internal predecessors, (160), 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) [2021-06-16 21:09:40,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:40,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:40,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:40,683 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-16 21:09:40,684 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:41,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-16 21:09:41,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:09:42,065 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2021-06-16 21:09:42,065 INFO L430 AbstractCegarLoop]: === Iteration 22 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:42,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:42,065 INFO L82 PathProgramCache]: Analyzing trace with hash -867848494, now seen corresponding path program 20 times [2021-06-16 21:09:42,066 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:42,066 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1729708923] [2021-06-16 21:09:42,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:42,375 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 144 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-06-16 21:09:42,375 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:42,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1729708923] [2021-06-16 21:09:42,375 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1729708923] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:42,375 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [248794574] [2021-06-16 21:09:42,375 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 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:42,431 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-16 21:09:42,431 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:42,432 INFO L263 TraceCheckSpWp]: Trace formula consists of 263 conjuncts, 27 conjunts are in the unsatisfiable core [2021-06-16 21:09:42,434 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:42,688 INFO L134 CoverageAnalysis]: Checked inductivity of 560 backedges. 169 proven. 144 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2021-06-16 21:09:42,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [248794574] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:42,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-16 21:09:42,689 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 28 [2021-06-16 21:09:42,689 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1437582023] [2021-06-16 21:09:42,689 INFO L462 AbstractCegarLoop]: Interpolant automaton has 29 states [2021-06-16 21:09:42,689 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 21:09:42,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2021-06-16 21:09:42,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=224, Invalid=588, Unknown=0, NotChecked=0, Total=812 [2021-06-16 21:09:42,690 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:42,690 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 21:09:42,690 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 29 states, 29 states have (on average 2.5517241379310347) internal successors, (74), 28 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) [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:42,690 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 227 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 50 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:09:42,691 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 21:09:43,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2021-06-16 21:09:43,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2021-06-16 21:09:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2021-06-16 21:09:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-06-16 21:09:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-16 21:09:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 227 states. [2021-06-16 21:09:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2021-06-16 21:09:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:09:43,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-16 21:09:43,791 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2021-06-16 21:09:43,792 INFO L430 AbstractCegarLoop]: === Iteration 23 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 21:09:43,792 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 21:09:43,792 INFO L82 PathProgramCache]: Analyzing trace with hash -581383180, now seen corresponding path program 21 times [2021-06-16 21:09:43,792 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 21:09:43,792 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1134628399] [2021-06-16 21:09:43,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 21:09:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 21:09:46,812 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 0 proven. 585 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 21:09:46,812 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 21:09:46,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1134628399] [2021-06-16 21:09:46,812 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1134628399] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-16 21:09:46,812 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1914402916] [2021-06-16 21:09:46,812 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 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 23 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-16 21:09:46,970 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 14 check-sat command(s) [2021-06-16 21:09:46,971 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-16 21:09:46,974 WARN L261 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 158 conjunts are in the unsatisfiable core [2021-06-16 21:09:46,976 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-16 21:09:47,619 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 10 treesize of output 9 [2021-06-16 21:09:47,620 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:47,643 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:47,645 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:47,646 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:129, output treesize:128 [2021-06-16 21:09:47,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:47,909 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 26 [2021-06-16 21:09:47,910 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:47,940 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:47,943 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:47,943 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:142, output treesize:141 [2021-06-16 21:09:48,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,098 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 37 treesize of output 42 [2021-06-16 21:09:48,100 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:48,124 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:48,126 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:48,126 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:155, output treesize:154 [2021-06-16 21:09:48,402 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,404 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,407 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,408 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 50 treesize of output 58 [2021-06-16 21:09:48,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:48,436 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:48,438 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:48,439 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:168, output treesize:167 [2021-06-16 21:09:48,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,755 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:48,762 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 63 treesize of output 74 [2021-06-16 21:09:48,763 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:48,795 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:48,797 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:48,797 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:181, output treesize:180 [2021-06-16 21:09:49,108 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,116 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,118 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,119 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,120 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,122 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,123 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,124 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,125 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 15 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 76 treesize of output 90 [2021-06-16 21:09:49,128 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:49,176 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:49,179 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:49,179 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:194, output treesize:193 [2021-06-16 21:09:49,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,433 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,441 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,444 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,446 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,447 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,449 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,452 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 21 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 89 treesize of output 106 [2021-06-16 21:09:49,454 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:49,503 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:49,506 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:49,506 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:202, output treesize:201 [2021-06-16 21:09:49,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,728 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,729 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,731 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,732 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,735 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,743 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,745 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:49,817 INFO L354 Elim1Store]: treesize reduction 204, result has 19.0 percent of original size [2021-06-16 21:09:49,818 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 21 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 7 case distinctions, treesize of input 102 treesize of output 122 [2021-06-16 21:09:49,819 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:49,860 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:49,862 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:49,862 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:215, output treesize:214 [2021-06-16 21:09:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,095 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,097 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,098 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,099 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,100 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,101 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,103 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,104 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,105 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,107 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,109 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,110 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,111 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,112 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,113 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,114 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,206 INFO L354 Elim1Store]: treesize reduction 316, result has 14.8 percent of original size [2021-06-16 21:09:50,206 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 21 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 15 case distinctions, treesize of input 115 treesize of output 138 [2021-06-16 21:09:50,209 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:50,254 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:50,256 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:50,256 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:228, output treesize:227 [2021-06-16 21:09:50,483 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,484 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,488 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,489 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,490 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,494 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,496 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,497 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,668 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 47 [2021-06-16 21:09:50,669 INFO L354 Elim1Store]: treesize reduction 440, result has 12.4 percent of original size [2021-06-16 21:09:50,669 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 9 select indices, 9 select index equivalence classes, 21 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 24 case distinctions, treesize of input 128 treesize of output 154 [2021-06-16 21:09:50,671 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:50,719 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:50,722 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:50,722 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:241, output treesize:240 [2021-06-16 21:09:50,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,992 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:50,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,184 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 52 [2021-06-16 21:09:51,184 INFO L354 Elim1Store]: treesize reduction 576, result has 10.7 percent of original size [2021-06-16 21:09:51,184 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 10 select indices, 10 select index equivalence classes, 21 disjoint index pairs (out of 45 index pairs), introduced 10 new quantified variables, introduced 34 case distinctions, treesize of input 141 treesize of output 170 [2021-06-16 21:09:51,186 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:51,237 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:51,240 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:51,240 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:254, output treesize:253 [2021-06-16 21:09:51,499 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,501 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,502 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,503 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,504 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,505 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,507 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,508 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,509 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,510 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,511 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,512 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,514 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,520 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:51,754 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 57 [2021-06-16 21:09:51,754 INFO L354 Elim1Store]: treesize reduction 724, result has 9.5 percent of original size [2021-06-16 21:09:51,754 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 11 select indices, 11 select index equivalence classes, 21 disjoint index pairs (out of 55 index pairs), introduced 11 new quantified variables, introduced 45 case distinctions, treesize of input 154 treesize of output 186 [2021-06-16 21:09:51,757 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:51,830 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:51,833 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:51,833 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:267, output treesize:266 [2021-06-16 21:09:52,364 INFO L446 ElimStorePlain]: Different costs {78=[v_C_38], 245=[A]} [2021-06-16 21:09:52,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,375 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,377 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,378 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,380 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,384 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,391 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,394 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,396 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,401 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,405 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,410 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,414 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,415 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,416 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,419 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,424 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,429 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,436 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,437 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,440 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,627 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 36 [2021-06-16 21:09:52,628 INFO L354 Elim1Store]: treesize reduction 572, result has 7.7 percent of original size [2021-06-16 21:09:52,628 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 12 select indices, 12 select index equivalence classes, 36 disjoint index pairs (out of 66 index pairs), introduced 12 new quantified variables, introduced 42 case distinctions, treesize of input 163 treesize of output 198 [2021-06-16 21:09:52,630 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:09:52,709 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:09:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,713 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,715 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,716 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,717 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,718 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,719 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,725 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,726 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,727 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,733 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,739 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,740 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,741 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,742 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,744 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,746 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:52,748 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,750 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,752 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,754 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,756 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,757 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,757 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:52,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,759 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,764 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,765 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,767 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,774 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,775 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,776 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,777 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,779 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,780 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,781 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,782 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,783 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:52,785 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,796 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:52,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,804 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,812 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:52,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,818 INFO L173 IndexEqualityManager]: detected equality via solver [2021-06-16 21:09:52,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,824 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,826 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:09:52,829 INFO L244 Elim1Store]: Index analysis took 117 ms [2021-06-16 21:09:53,305 WARN L205 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 114 [2021-06-16 21:09:53,305 INFO L354 Elim1Store]: treesize reduction 478, result has 29.4 percent of original size [2021-06-16 21:09:53,305 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 25 select indices, 25 select index equivalence classes, 108 disjoint index pairs (out of 300 index pairs), introduced 19 new quantified variables, introduced 99 case distinctions, treesize of input 252 treesize of output 350 [2021-06-16 21:09:54,750 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 584 [2021-06-16 21:09:54,864 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 584 [2021-06-16 21:09:55,272 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 606 [2021-06-16 21:09:55,637 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 817 [2021-06-16 21:09:55,912 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 817 [2021-06-16 21:09:56,148 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 970 DAG size of output: 817 [2021-06-16 21:09:56,179 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 2 xjuncts. [2021-06-16 21:09:56,891 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 833 DAG size of output: 65 [2021-06-16 21:09:56,891 INFO L628 ElimStorePlain]: treesize reduction 26492, result has 0.6 percent of original size [2021-06-16 21:09:56,905 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 2 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-06-16 21:09:56,905 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:284, output treesize:302 [2021-06-16 21:09:58,555 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 65 [2021-06-16 21:10:01,559 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 79 [2021-06-16 21:10:06,766 WARN L205 SmtUtils]: Spent 3.97 s on a formula simplification that was a NOOP. DAG size: 82 [2021-06-16 21:10:18,387 WARN L205 SmtUtils]: Spent 7.64 s on a formula simplification that was a NOOP. DAG size: 84 [2021-06-16 21:10:30,510 WARN L205 SmtUtils]: Spent 7.17 s on a formula simplification that was a NOOP. DAG size: 86 [2021-06-16 21:10:45,668 WARN L205 SmtUtils]: Spent 7.13 s on a formula simplification that was a NOOP. DAG size: 88 [2021-06-16 21:11:03,699 WARN L205 SmtUtils]: Spent 6.09 s on a formula simplification that was a NOOP. DAG size: 90 [2021-06-16 21:11:27,659 WARN L205 SmtUtils]: Spent 7.95 s on a formula simplification that was a NOOP. DAG size: 93 [2021-06-16 21:11:49,875 WARN L205 SmtUtils]: Spent 7.51 s on a formula simplification that was a NOOP. DAG size: 96 [2021-06-16 21:12:04,853 WARN L205 SmtUtils]: Spent 3.86 s on a formula simplification that was a NOOP. DAG size: 98 [2021-06-16 21:12:37,150 WARN L205 SmtUtils]: Spent 21.77 s on a formula simplification. DAG size of input: 97 DAG size of output: 95 [2021-06-16 21:12:37,236 INFO L446 ElimStorePlain]: Different costs {78=[C], 210=[v_prenex_2]} [2021-06-16 21:12:37,250 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,255 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,259 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,264 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,275 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,276 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,300 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,324 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,336 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,343 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,344 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,349 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,350 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,357 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,367 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,368 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:37,375 INFO L244 Elim1Store]: Index analysis took 126 ms [2021-06-16 21:12:37,934 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-06-16 21:12:37,934 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:12:37,935 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 13 select indices, 13 select index equivalence classes, 38 disjoint index pairs (out of 78 index pairs), introduced 13 new quantified variables, introduced 40 case distinctions, treesize of input 64 treesize of output 471 [2021-06-16 21:12:38,098 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-16 21:12:38,233 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2021-06-16 21:12:38,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 21:12:38,253 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,261 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,270 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,290 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,298 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,311 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,335 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,338 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,348 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,355 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,359 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,366 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,373 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,376 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,382 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,383 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,386 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,388 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,393 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,395 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,397 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,403 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,418 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,425 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,426 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,427 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,431 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,432 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,434 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,435 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,438 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,442 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,443 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,450 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,472 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,486 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,492 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,506 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,513 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,516 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,518 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,519 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,521 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,522 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,532 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,537 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,538 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,547 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,548 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,551 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,569 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,570 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,572 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,573 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,575 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,578 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,583 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,584 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,592 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,593 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,595 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,598 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,600 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,601 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,606 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,610 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-06-16 21:12:38,615 INFO L244 Elim1Store]: Index analysis took 372 ms [2021-06-16 21:12:44,149 WARN L205 SmtUtils]: Spent 5.53 s on a formula simplification. DAG size of input: 528 DAG size of output: 524 [2021-06-16 21:12:44,150 INFO L354 Elim1Store]: treesize reduction 12, result has 99.1 percent of original size [2021-06-16 21:12:44,151 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 21 select indices, 21 select index equivalence classes, 91 disjoint index pairs (out of 210 index pairs), introduced 21 new quantified variables, introduced 119 case distinctions, treesize of input 330 treesize of output 1436 [2021-06-16 21:12:44,652 WARN L205 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 1128 DAG size of output: 795 [2021-06-16 21:12:45,113 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 1164 DAG size of output: 831 [2021-06-16 21:12:51,846 WARN L205 SmtUtils]: Spent 6.22 s on a formula simplification. DAG size of input: 6601 DAG size of output: 4217 [2021-06-16 21:12:59,038 WARN L205 SmtUtils]: Spent 6.85 s on a formula simplification. DAG size of input: 6637 DAG size of output: 4253 [2021-06-16 21:14:30,179 WARN L205 SmtUtils]: Spent 1.44 m on a formula simplification. DAG size of input: 41899 DAG size of output: 25649 [2021-06-16 21:16:06,474 WARN L205 SmtUtils]: Spent 1.58 m on a formula simplification. DAG size of input: 41935 DAG size of output: 25685 [2021-06-16 21:16:17,603 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 76 [2021-06-16 21:16:26,515 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 80 [2021-06-16 21:16:30,355 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 74 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown