/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 23:26:12,517 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 23:26:12,519 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 23:26:12,549 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-13 23:26:12,591 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-None-NoLbe.epf [2021-07-13 23:26:12,618 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 23:26:12,618 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 23:26:12,619 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 23:26:12,619 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 23:26:12,620 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 23:26:12,620 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 23:26:12,621 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 23:26:12,621 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 23:26:12,621 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 23:26:12,621 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 23:26:12,621 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 23:26:12,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 23:26:12,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:26:12,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 23:26:12,623 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 23:26:12,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 23:26:12,904 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 23:26:12,906 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 23:26:12,906 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 23:26:12,907 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 23:26:12,908 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl [2021-07-13 23:26:12,908 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/sum-array.wvr.bpl' [2021-07-13 23:26:12,934 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 23:26:12,935 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 23:26:12,936 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 23:26:12,936 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 23:26:12,936 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 23:26:12,945 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,950 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,955 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 23:26:12,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 23:26:12,957 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 23:26:12,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 23:26:12,962 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,962 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,963 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,963 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,966 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,970 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,970 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... [2021-07-13 23:26:12,971 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 23:26:12,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 23:26:12,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 23:26:12,973 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 23:26:12,974 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 23:26:13,040 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 23:26:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 23:26:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 23:26:13,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 23:26:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 23:26:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 23:26:13,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 23:26:13,041 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 23:26:13,041 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 23:26:13,041 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-13 23:26:13,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-13 23:26:13,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-13 23:26:13,042 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 23:26:13,230 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 23:26:13,230 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-13 23:26:13,231 INFO L202 PluginConnector]: Adding new model sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:26:13 BoogieIcfgContainer [2021-07-13 23:26:13,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 23:26:13,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 23:26:13,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 23:26:13,235 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 23:26:13,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 11:26:12" (1/2) ... [2021-07-13 23:26:13,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@61c35920 and model type sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 11:26:13, skipping insertion in model container [2021-07-13 23:26:13,235 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "sum-array.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 11:26:13" (2/2) ... [2021-07-13 23:26:13,236 INFO L111 eAbstractionObserver]: Analyzing ICFG sum-array.wvr.bpl [2021-07-13 23:26:13,240 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 23:26:13,240 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 23:26:13,240 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 23:26:13,253 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 23:26:13,300 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-13 23:26:13,315 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 23:26:13,382 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 23:26:13,382 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 23:26:13,382 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 23:26:13,382 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 23:26:13,382 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 23:26:13,382 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 23:26:13,382 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 23:26:13,382 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 23:26:13,388 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 36 places, 29 transitions, 82 flow [2021-07-13 23:26:13,407 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 112 states, 111 states have (on average 2.810810810810811) internal successors, (312), 111 states have internal predecessors, (312), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:13,413 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:13,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:13,417 INFO L82 PathProgramCache]: Analyzing trace with hash -14689673, now seen corresponding path program 1 times [2021-07-13 23:26:13,438 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:13,438 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209902424] [2021-07-13 23:26:13,438 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:13,605 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:26:13,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:13,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209902424] [2021-07-13 23:26:13,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209902424] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:13,607 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478697311] [2021-07-13 23:26:13,607 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:13,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:13,654 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 23:26:13,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:13,753 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:26:13,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [478697311] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:13,753 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:13,753 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 8 [2021-07-13 23:26:13,754 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1640418902] [2021-07-13 23:26:13,757 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-13 23:26:13,757 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:13,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-13 23:26:13,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2021-07-13 23:26:13,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:13,766 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:13,766 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 4.0) internal successors, (32), 8 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:13,766 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:13,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:14,053 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-07-13 23:26:14,053 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:14,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:14,054 INFO L82 PathProgramCache]: Analyzing trace with hash -2096237483, now seen corresponding path program 2 times [2021-07-13 23:26:14,054 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:14,054 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [172819327] [2021-07-13 23:26:14,054 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:14,455 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:14,455 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:14,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [172819327] [2021-07-13 23:26:14,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [172819327] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:14,456 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [455736654] [2021-07-13 23:26:14,457 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:14,494 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:26:14,494 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:14,495 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 23:26:14,497 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:14,842 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:26:14,842 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 3 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2021-07-13 23:26:14,852 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 2 xjuncts. [2021-07-13 23:26:14,866 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:26:14,879 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:26:14,879 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:30, output treesize:51 [2021-07-13 23:26:14,931 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:14,931 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [455736654] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:14,931 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:14,931 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-13 23:26:14,931 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1833329361] [2021-07-13 23:26:14,932 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-13 23:26:14,932 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:14,933 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-13 23:26:14,933 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=293, Unknown=0, NotChecked=0, Total=342 [2021-07-13 23:26:14,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:14,933 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:14,933 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 2.4210526315789473) internal successors, (46), 19 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) [2021-07-13 23:26:14,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:14,933 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:15,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:15,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:15,876 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:15,877 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:15,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:15,877 INFO L82 PathProgramCache]: Analyzing trace with hash 223283601, now seen corresponding path program 3 times [2021-07-13 23:26:15,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:15,877 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1417045298] [2021-07-13 23:26:15,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:15,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:15,958 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:15,959 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:15,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1417045298] [2021-07-13 23:26:15,959 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1417045298] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:15,959 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770857269] [2021-07-13 23:26:15,959 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 [2021-07-13 23:26:15,997 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-13 23:26:15,997 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:15,998 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-13 23:26:16,001 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:16,154 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:16,154 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770857269] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:16,154 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:16,155 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 18 [2021-07-13 23:26:16,155 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1751954593] [2021-07-13 23:26:16,155 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:26:16,156 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:16,156 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:26:16,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=244, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:26:16,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:16,159 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:16,159 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.6666666666666665) internal successors, (48), 18 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:16,159 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:16,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:16,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:16,554 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:16,554 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:16,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:16,555 INFO L82 PathProgramCache]: Analyzing trace with hash -2081674347, now seen corresponding path program 4 times [2021-07-13 23:26:16,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:16,555 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [436470365] [2021-07-13 23:26:16,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:16,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:16,643 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 16 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-13 23:26:16,643 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:16,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [436470365] [2021-07-13 23:26:16,643 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [436470365] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:16,643 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [811969972] [2021-07-13 23:26:16,643 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) [2021-07-13 23:26:16,686 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 23:26:16,687 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:16,687 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-13 23:26:16,688 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:16,799 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 16 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-13 23:26:16,799 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [811969972] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:16,799 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:16,799 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12] total 18 [2021-07-13 23:26:16,799 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709155019] [2021-07-13 23:26:16,800 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-13 23:26:16,800 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:16,800 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-13 23:26:16,800 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=88, Invalid=218, Unknown=0, NotChecked=0, Total=306 [2021-07-13 23:26:16,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:16,800 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:16,800 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 3.0) 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) [2021-07-13 23:26:16,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:16,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:16,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:16,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:16,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:17,173 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:17,174 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:17,174 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:17,174 INFO L82 PathProgramCache]: Analyzing trace with hash -2089053423, now seen corresponding path program 5 times [2021-07-13 23:26:17,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:17,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356287113] [2021-07-13 23:26:17,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:17,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:17,947 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 4 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:17,947 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:17,947 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356287113] [2021-07-13 23:26:17,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356287113] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:17,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [720880030] [2021-07-13 23:26:17,948 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 [2021-07-13 23:26:18,008 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 23:26:18,008 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:18,009 WARN L261 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 55 conjunts are in the unsatisfiable core [2021-07-13 23:26:18,010 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:18,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:18,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:18,807 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:26:18,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:18,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:18,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:18,810 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 15 disjoint index pairs (out of 21 index pairs), introduced 6 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 19 [2021-07-13 23:26:18,812 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:26:18,817 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:26:18,818 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:26:18,818 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:54, output treesize:3 [2021-07-13 23:26:18,844 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 0 proven. 62 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:18,845 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [720880030] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:18,845 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:18,845 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 19] total 37 [2021-07-13 23:26:18,845 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159760633] [2021-07-13 23:26:18,845 INFO L462 AbstractCegarLoop]: Interpolant automaton has 37 states [2021-07-13 23:26:18,845 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:18,846 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2021-07-13 23:26:18,846 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=118, Invalid=1214, Unknown=0, NotChecked=0, Total=1332 [2021-07-13 23:26:18,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:18,846 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:18,846 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 37 states, 37 states have (on average 2.081081081081081) internal successors, (77), 37 states have internal predecessors, (77), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:18,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:18,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:18,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:18,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:18,847 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:21,137 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 89 [2021-07-13 23:26:21,475 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 99 [2021-07-13 23:26:21,796 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 94 [2021-07-13 23:26:22,193 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 104 [2021-07-13 23:26:22,353 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 79 [2021-07-13 23:26:22,651 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 84 [2021-07-13 23:26:23,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:23,661 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:23,662 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:23,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:23,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1502281795, now seen corresponding path program 6 times [2021-07-13 23:26:23,662 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:23,662 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357856941] [2021-07-13 23:26:23,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:23,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:23,888 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:23,888 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:23,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357856941] [2021-07-13 23:26:23,888 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357856941] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:23,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2031530773] [2021-07-13 23:26:23,888 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 [2021-07-13 23:26:23,929 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-13 23:26:23,929 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:23,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-13 23:26:23,931 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:24,311 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 45 proven. 87 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:24,311 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2031530773] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:24,311 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:24,311 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 40 [2021-07-13 23:26:24,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [876050028] [2021-07-13 23:26:24,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 40 states [2021-07-13 23:26:24,312 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:24,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2021-07-13 23:26:24,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=299, Invalid=1261, Unknown=0, NotChecked=0, Total=1560 [2021-07-13 23:26:24,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:24,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:24,313 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 40 states, 40 states have (on average 2.325) internal successors, (93), 40 states have internal predecessors, (93), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:24,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:24,618 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:24,824 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:24,825 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:24,825 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:24,825 INFO L82 PathProgramCache]: Analyzing trace with hash 616833919, now seen corresponding path program 7 times [2021-07-13 23:26:24,825 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:24,825 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1084366036] [2021-07-13 23:26:24,825 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:25,906 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 36 proven. 132 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:25,907 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:25,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1084366036] [2021-07-13 23:26:25,907 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1084366036] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:25,907 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1726535521] [2021-07-13 23:26:25,907 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 [2021-07-13 23:26:25,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:25,965 WARN L261 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 88 conjunts are in the unsatisfiable core [2021-07-13 23:26:25,967 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:27,142 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,143 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,144 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,146 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,147 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,147 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:26:27,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:27,148 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:26:27,149 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 45 disjoint index pairs (out of 66 index pairs), introduced 10 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 27 [2021-07-13 23:26:27,150 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:26:27,154 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:26:27,155 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:26:27,155 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:75, output treesize:3 [2021-07-13 23:26:27,197 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 168 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:27,198 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1726535521] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:27,198 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:27,198 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 26] total 49 [2021-07-13 23:26:27,198 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392439860] [2021-07-13 23:26:27,198 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 23:26:27,198 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:27,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 23:26:27,199 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=173, Invalid=2179, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 23:26:27,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:27,199 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:27,200 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.204081632653061) internal successors, (108), 49 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:27,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:30,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:31,135 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-07-13 23:26:31,135 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:31,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:31,135 INFO L82 PathProgramCache]: Analyzing trace with hash -1677637445, now seen corresponding path program 8 times [2021-07-13 23:26:31,136 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:31,136 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [469379773] [2021-07-13 23:26:31,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:31,415 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 100 proven. 112 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:31,416 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:31,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [469379773] [2021-07-13 23:26:31,416 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [469379773] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:31,416 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [854142949] [2021-07-13 23:26:31,416 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 [2021-07-13 23:26:31,458 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:26:31,458 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:31,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-13 23:26:31,460 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 121 proven. 91 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:32,053 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [854142949] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:32,053 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:32,053 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [27, 27] total 49 [2021-07-13 23:26:32,054 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825178242] [2021-07-13 23:26:32,054 INFO L462 AbstractCegarLoop]: Interpolant automaton has 49 states [2021-07-13 23:26:32,054 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:32,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 49 interpolants. [2021-07-13 23:26:32,055 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=418, Invalid=1934, Unknown=0, NotChecked=0, Total=2352 [2021-07-13 23:26:32,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:32,055 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:32,055 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 49 states, 49 states have (on average 2.2857142857142856) internal successors, (112), 49 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) [2021-07-13 23:26:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:32,055 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:32,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:32,056 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:33,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:33,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:33,417 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:33,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:33,417 INFO L82 PathProgramCache]: Analyzing trace with hash 1423090991, now seen corresponding path program 9 times [2021-07-13 23:26:33,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:33,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1475710394] [2021-07-13 23:26:33,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:33,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:33,767 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:33,767 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:33,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1475710394] [2021-07-13 23:26:33,767 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1475710394] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:33,767 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1509463842] [2021-07-13 23:26:33,767 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 [2021-07-13 23:26:33,817 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-07-13 23:26:33,817 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:33,818 INFO L263 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 23:26:33,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:34,629 INFO L134 CoverageAnalysis]: Checked inductivity of 344 backedges. 172 proven. 172 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:34,629 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1509463842] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:34,629 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:34,629 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 32] total 60 [2021-07-13 23:26:34,629 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [968875326] [2021-07-13 23:26:34,630 INFO L462 AbstractCegarLoop]: Interpolant automaton has 60 states [2021-07-13 23:26:34,630 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:34,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 60 interpolants. [2021-07-13 23:26:34,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=668, Invalid=2872, Unknown=0, NotChecked=0, Total=3540 [2021-07-13 23:26:34,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:34,631 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:34,631 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 60 states, 60 states have (on average 2.216666666666667) internal successors, (133), 60 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:34,631 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:34,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:34,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:34,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:34,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:34,632 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:34,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:34,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:35,183 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:35,183 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:35,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:35,183 INFO L82 PathProgramCache]: Analyzing trace with hash -156926293, now seen corresponding path program 10 times [2021-07-13 23:26:35,184 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:35,184 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [451242979] [2021-07-13 23:26:35,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:35,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:35,651 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 159 proven. 237 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:35,652 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:35,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [451242979] [2021-07-13 23:26:35,652 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [451242979] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:35,652 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1833047652] [2021-07-13 23:26:35,652 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 [2021-07-13 23:26:35,693 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 23:26:35,694 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:35,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 196 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-13 23:26:35,697 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:36,551 INFO L134 CoverageAnalysis]: Checked inductivity of 396 backedges. 185 proven. 209 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 23:26:36,552 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1833047652] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:36,552 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:36,552 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 32] total 64 [2021-07-13 23:26:36,552 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [798145079] [2021-07-13 23:26:36,552 INFO L462 AbstractCegarLoop]: Interpolant automaton has 64 states [2021-07-13 23:26:36,552 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:36,553 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 64 interpolants. [2021-07-13 23:26:36,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=534, Invalid=3498, Unknown=0, NotChecked=0, Total=4032 [2021-07-13 23:26:36,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:36,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:36,554 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 64 states, 64 states have (on average 2.296875) internal successors, (147), 64 states have internal predecessors, (147), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:36,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:38,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:26:38,304 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-13 23:26:38,305 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:38,305 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:38,305 INFO L82 PathProgramCache]: Analyzing trace with hash 2092412391, now seen corresponding path program 11 times [2021-07-13 23:26:38,305 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:38,305 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832717297] [2021-07-13 23:26:38,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:38,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:40,417 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 144 proven. 312 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:40,418 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:40,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832717297] [2021-07-13 23:26:40,418 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832717297] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:40,418 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2096602738] [2021-07-13 23:26:40,418 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 [2021-07-13 23:26:40,476 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 17 check-sat command(s) [2021-07-13 23:26:40,476 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:40,478 WARN L261 TraceCheckSpWp]: Trace formula consists of 206 conjuncts, 136 conjunts are in the unsatisfiable core [2021-07-13 23:26:40,480 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:43,211 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,213 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,215 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,216 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,216 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:26:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,217 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,218 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,219 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,221 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,224 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:26:43,226 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-13 23:26:43,228 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 18 select indices, 18 select index equivalence classes, 120 disjoint index pairs (out of 153 index pairs), introduced 16 new quantified variables, introduced 0 case distinctions, treesize of input 105 treesize of output 39 [2021-07-13 23:26:43,229 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 23:26:43,234 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:26:43,235 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 23:26:43,235 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:111, output treesize:3 [2021-07-13 23:26:43,277 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 0 proven. 456 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:43,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2096602738] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:43,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:43,278 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 38] total 73 [2021-07-13 23:26:43,278 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1299536085] [2021-07-13 23:26:43,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-13 23:26:43,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:43,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-13 23:26:43,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=308, Invalid=4948, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 23:26:43,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:43,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:43,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 2.136986301369863) internal successors, (156), 73 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:26:43,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:50,257 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 80 [2021-07-13 23:26:50,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:26:50,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:26:50,651 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-13 23:26:50,652 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:50,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:50,652 INFO L82 PathProgramCache]: Analyzing trace with hash 1130880803, now seen corresponding path program 12 times [2021-07-13 23:26:50,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:50,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857592616] [2021-07-13 23:26:50,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:51,191 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 256 proven. 268 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:51,191 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:51,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [857592616] [2021-07-13 23:26:51,191 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [857592616] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:51,191 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636565639] [2021-07-13 23:26:51,191 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 [2021-07-13 23:26:51,247 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 19 check-sat command(s) [2021-07-13 23:26:51,247 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:26:51,248 INFO L263 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 38 conjunts are in the unsatisfiable core [2021-07-13 23:26:51,249 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:52,498 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 289 proven. 235 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:52,498 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [636565639] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:52,499 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:52,499 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 39] total 73 [2021-07-13 23:26:52,499 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449323360] [2021-07-13 23:26:52,499 INFO L462 AbstractCegarLoop]: Interpolant automaton has 73 states [2021-07-13 23:26:52,499 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:52,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2021-07-13 23:26:52,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=940, Invalid=4316, Unknown=0, NotChecked=0, Total=5256 [2021-07-13 23:26:52,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:52,501 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:52,501 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 73 states, 73 states have (on average 2.191780821917808) internal successors, (160), 73 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) [2021-07-13 23:26:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:52,501 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:26:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:26:52,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:54,785 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:26:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:26:54,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:26:55,002 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-13 23:26:55,002 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:55,003 INFO L82 PathProgramCache]: Analyzing trace with hash 597901207, now seen corresponding path program 13 times [2021-07-13 23:26:55,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:55,003 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [215606106] [2021-07-13 23:26:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:55,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:55,663 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 364 proven. 364 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:26:55,663 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:26:55,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [215606106] [2021-07-13 23:26:55,663 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [215606106] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:55,663 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [265630617] [2021-07-13 23:26:55,663 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 [2021-07-13 23:26:55,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:26:55,710 INFO L263 TraceCheckSpWp]: Trace formula consists of 246 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-13 23:26:55,711 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:26:57,047 INFO L134 CoverageAnalysis]: Checked inductivity of 728 backedges. 394 proven. 324 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-13 23:26:57,048 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [265630617] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:26:57,048 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:26:57,048 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [44, 40] total 82 [2021-07-13 23:26:57,048 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983400767] [2021-07-13 23:26:57,048 INFO L462 AbstractCegarLoop]: Interpolant automaton has 82 states [2021-07-13 23:26:57,048 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:26:57,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 82 interpolants. [2021-07-13 23:26:57,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=867, Invalid=5775, Unknown=0, NotChecked=0, Total=6642 [2021-07-13 23:26:57,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:57,050 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:26:57,051 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 82 states, 82 states have (on average 2.231707317073171) internal successors, (183), 82 states have internal predecessors, (183), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:26:57,051 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:26:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:26:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:26:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:26:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:26:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:26:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:26:59,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:26:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:26:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:26:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:26:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:26:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:26:59,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:26:59,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:26:59,281 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:26:59,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:26:59,281 INFO L82 PathProgramCache]: Analyzing trace with hash 1609614611, now seen corresponding path program 14 times [2021-07-13 23:26:59,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:26:59,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1393515327] [2021-07-13 23:26:59,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:26:59,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 345 proven. 459 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:00,008 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:00,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1393515327] [2021-07-13 23:27:00,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1393515327] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:00,008 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1967513543] [2021-07-13 23:27:00,008 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 [2021-07-13 23:27:00,088 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 23:27:00,088 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:00,089 INFO L263 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-13 23:27:00,090 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:01,670 INFO L134 CoverageAnalysis]: Checked inductivity of 804 backedges. 383 proven. 419 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-13 23:27:01,670 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1967513543] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:01,670 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 23:27:01,670 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [46, 44] total 88 [2021-07-13 23:27:01,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1501137076] [2021-07-13 23:27:01,671 INFO L462 AbstractCegarLoop]: Interpolant automaton has 88 states [2021-07-13 23:27:01,671 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 23:27:01,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 88 interpolants. [2021-07-13 23:27:01,675 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=996, Invalid=6660, Unknown=0, NotChecked=0, Total=7656 [2021-07-13 23:27:01,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:01,675 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 23:27:01,675 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 88 states, 88 states have (on average 2.215909090909091) internal successors, (195), 88 states have internal predecessors, (195), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 23:27:01,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:01,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:01,675 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:01,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:27:01,688 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 56 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 80 states. [2021-07-13 23:27:04,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 91 states. [2021-07-13 23:27:04,516 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 23:27:04,517 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 23:27:04,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 23:27:04,517 INFO L82 PathProgramCache]: Analyzing trace with hash 695730255, now seen corresponding path program 15 times [2021-07-13 23:27:04,517 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 23:27:04,517 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710363083] [2021-07-13 23:27:04,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 23:27:04,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 23:27:08,633 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 324 proven. 564 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 23:27:08,633 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 23:27:08,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710363083] [2021-07-13 23:27:08,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710363083] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 23:27:08,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807190025] [2021-07-13 23:27:08,634 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 [2021-07-13 23:27:08,714 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 23 check-sat command(s) [2021-07-13 23:27:08,714 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 23:27:08,716 WARN L261 TraceCheckSpWp]: Trace formula consists of 266 conjuncts, 189 conjunts are in the unsatisfiable core [2021-07-13 23:27:08,717 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 23:27:16,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,793 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,795 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,797 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,799 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,800 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,808 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,809 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,810 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,812 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,813 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,814 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,815 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,816 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,817 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,818 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,820 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,821 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,822 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,823 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,825 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,827 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,829 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,830 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,831 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,832 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,833 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,834 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,835 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,836 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,838 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,839 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,840 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,841 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,842 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,843 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,844 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,845 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,846 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,847 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,848 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,849 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,850 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,851 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,852 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,853 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,854 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,862 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,863 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,866 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,868 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,869 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,871 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,872 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,874 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,876 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,877 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,878 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,879 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,880 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,881 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,882 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,884 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,885 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,886 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,887 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,890 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,891 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,893 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,895 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,897 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,898 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,899 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,900 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,901 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,902 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,903 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,904 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,905 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,906 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,907 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,908 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,909 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,910 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,912 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,913 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,914 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,916 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,918 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,919 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,920 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,921 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,922 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,923 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,924 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,926 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,927 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,928 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,929 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,930 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,933 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,934 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,936 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,938 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,943 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,945 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,949 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,952 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,953 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,954 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,955 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,957 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,958 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,960 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,964 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,965 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,966 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,967 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,968 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,969 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,970 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,972 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,975 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,977 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,978 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,980 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,982 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,984 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,986 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,987 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,988 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,989 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,990 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,994 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,995 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,996 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,997 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,998 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:16,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,000 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,002 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,003 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,004 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,005 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,007 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,010 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,013 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,015 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,016 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,018 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,020 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-13 23:27:17,021 INFO L244 Elim1Store]: Index analysis took 235 ms [2021-07-13 23:27:17,651 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification that was a NOOP. DAG size: 319 [2021-07-13 23:27:17,651 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 23:27:17,652 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 33 select indices, 33 select index equivalence classes, 462 disjoint index pairs (out of 528 index pairs), introduced 33 new quantified variables, introduced 66 case distinctions, treesize of input 161 treesize of output 729 [2021-07-13 23:27:18,108 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 397 [2021-07-13 23:27:18,383 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 397 [2021-07-13 23:27:18,723 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 423 [2021-07-13 23:27:21,479 WARN L205 SmtUtils]: Spent 2.67 s on a formula simplification. DAG size of input: 1504 DAG size of output: 954 [2021-07-13 23:27:24,141 WARN L205 SmtUtils]: Spent 2.61 s on a formula simplification. DAG size of input: 1516 DAG size of output: 966 [2021-07-13 23:27:30,351 WARN L205 SmtUtils]: Spent 6.16 s on a formula simplification. DAG size of input: 1640 DAG size of output: 1576 [2021-07-13 23:27:37,174 WARN L205 SmtUtils]: Spent 6.78 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1598 [2021-07-13 23:28:41,489 WARN L205 SmtUtils]: Spent 1.07 m on a formula simplification. DAG size of input: 5403 DAG size of output: 4513 [2021-07-13 23:29:48,810 WARN L205 SmtUtils]: Spent 1.12 m on a formula simplification. DAG size of input: 5407 DAG size of output: 4517 [2021-07-13 23:31:28,025 WARN L205 SmtUtils]: Spent 1.65 m on a formula simplification. DAG size of input: 6817 DAG size of output: 5732 [2021-07-13 23:33:17,174 WARN L205 SmtUtils]: Spent 1.82 m on a formula simplification. DAG size of input: 6832 DAG size of output: 5747 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown