/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 16:27:51,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 16:27:51,533 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 16:27:51,564 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 16:27:51,627 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 16:27:51,628 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 16:27:51,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 16:27:51,631 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2021-07-14 16:27:51,659 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 16:27:51,659 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 16:27:51,660 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 16:27:51,660 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 16:27:51,661 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 16:27:51,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 16:27:51,662 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 16:27:51,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 16:27:51,662 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 16:27:51,662 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 16:27:51,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 16:27:51,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 16:27:51,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 16:27:51,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 16:27:51,663 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 16:27:51,663 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 16:27:51,663 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 16:27:51,664 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 16:27:51,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 16:27:51,664 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 16:27:51,664 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 16:27:51,664 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 16:27:51,664 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 16:27:51,664 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 16:27:51,665 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 16:27:51,665 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 16:27:51,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 16:27:51,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 16:27:51,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 16:27:51,665 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 16:27:51,665 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 16:27:51,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 16:27:51,666 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 16:27:51,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 16:27:51,909 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 16:27:51,923 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 16:27:51,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 16:27:51,926 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 16:27:51,928 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 16:27:51,929 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl [2021-07-14 16:27:51,929 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-bad/three-array-sum-alt.wvr.bpl' [2021-07-14 16:27:51,970 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 16:27:51,971 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 16:27:51,972 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 16:27:51,972 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 16:27:51,972 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 16:27:51,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:51,986 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:51,991 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 16:27:51,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 16:27:51,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 16:27:51,993 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 16:27:51,998 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:51,999 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:52,000 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:52,000 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:52,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:52,006 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:52,007 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... [2021-07-14 16:27:52,011 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 16:27:52,013 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 16:27:52,013 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 16:27:52,013 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 16:27:52,014 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 16:27:52,074 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 16:27:52,074 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 16:27:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 16:27:52,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 16:27:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 16:27:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 16:27:52,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 16:27:52,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 16:27:52,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 16:27:52,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 16:27:52,077 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 16:27:52,077 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 16:27:52,077 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 16:27:52,258 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 16:27:52,258 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 16:27:52,259 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:27:52 BoogieIcfgContainer [2021-07-14 16:27:52,259 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 16:27:52,260 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 16:27:52,261 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 16:27:52,262 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 16:27:52,262 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 04:27:51" (1/2) ... [2021-07-14 16:27:52,263 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d055654 and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 04:27:52, skipping insertion in model container [2021-07-14 16:27:52,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 04:27:52" (2/2) ... [2021-07-14 16:27:52,264 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2021-07-14 16:27:52,268 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 16:27:52,268 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 16:27:52,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 16:27:52,268 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 16:27:52,328 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-14 16:27:52,352 INFO L255 AbstractCegarLoop]: Starting to check reachability of 4 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 16:27:52,386 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 16:27:52,387 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 16:27:52,387 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 16:27:52,387 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 16:27:52,387 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 16:27:52,387 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 16:27:52,387 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 16:27:52,387 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 16:27:52,457 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:52,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:52,462 INFO L82 PathProgramCache]: Analyzing trace with hash -1749066802, now seen corresponding path program 1 times [2021-07-14 16:27:52,469 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:52,470 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2026779819] [2021-07-14 16:27:52,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:52,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:52,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:52,682 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:52,682 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2026779819] [2021-07-14 16:27:52,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2026779819] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 16:27:52,683 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 16:27:52,683 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 16:27:52,683 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134181632] [2021-07-14 16:27:52,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 16:27:52,687 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:52,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 16:27:52,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 16:27:52,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:52,696 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:52,698 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:52,698 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:52,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:52,717 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 16:27:52,717 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:52,717 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:52,717 INFO L82 PathProgramCache]: Analyzing trace with hash -1341931860, now seen corresponding path program 1 times [2021-07-14 16:27:52,718 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:52,718 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126586479] [2021-07-14 16:27:52,718 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:52,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:52,753 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:52,753 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:52,753 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126586479] [2021-07-14 16:27:52,753 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [126586479] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:52,754 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [192055235] [2021-07-14 16:27:52,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:52,798 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 16:27:52,802 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:52,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:52,879 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [192055235] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:52,879 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:52,879 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-07-14 16:27:52,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089409136] [2021-07-14 16:27:52,881 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 16:27:52,881 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:52,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 16:27:52,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-14 16:27:52,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:52,882 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:52,882 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:52,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:52,882 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:52,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,148 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:53,149 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:53,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:53,150 INFO L82 PathProgramCache]: Analyzing trace with hash 1517943178, now seen corresponding path program 1 times [2021-07-14 16:27:53,150 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:53,150 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572195779] [2021-07-14 16:27:53,150 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:53,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:53,186 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:53,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [572195779] [2021-07-14 16:27:53,187 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [572195779] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:53,187 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1326031884] [2021-07-14 16:27:53,187 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:53,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:53,218 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 16:27:53,218 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:53,254 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:53,254 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1326031884] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:53,254 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:53,254 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-07-14 16:27:53,255 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023199538] [2021-07-14 16:27:53,255 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-14 16:27:53,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:53,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-14 16:27:53,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-14 16:27:53,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:53,256 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:53,256 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 4.5) internal successors, (27), 5 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:53,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:53,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,256 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:53,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:53,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,509 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:53,509 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:53,510 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:53,510 INFO L82 PathProgramCache]: Analyzing trace with hash -1108611992, now seen corresponding path program 1 times [2021-07-14 16:27:53,510 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:53,510 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720184558] [2021-07-14 16:27:53,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:53,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:53,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:53,593 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:53,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720184558] [2021-07-14 16:27:53,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720184558] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:53,594 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1974510150] [2021-07-14 16:27:53,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:53,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:53,628 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 16:27:53,629 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:53,772 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-07-14 16:27:53,774 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:53,777 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:53,778 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2021-07-14 16:27:53,779 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:53,786 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:53,786 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:53,787 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:5 [2021-07-14 16:27:53,820 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:53,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1974510150] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:53,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:53,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-14 16:27:53,821 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92616496] [2021-07-14 16:27:53,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 16:27:53,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:53,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 16:27:53,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 16:27:53,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:53,823 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:53,823 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 3.875) internal successors, (31), 7 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:53,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:53,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:53,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:54,112 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:54,112 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:54,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:54,113 INFO L82 PathProgramCache]: Analyzing trace with hash -1786367802, now seen corresponding path program 2 times [2021-07-14 16:27:54,113 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:54,113 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [571152878] [2021-07-14 16:27:54,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:54,156 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:54,156 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:54,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [571152878] [2021-07-14 16:27:54,156 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [571152878] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:54,156 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201368516] [2021-07-14 16:27:54,156 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:54,189 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:27:54,190 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:54,190 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 16:27:54,191 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:54,265 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 16:27:54,266 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201368516] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:54,266 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:54,266 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-07-14 16:27:54,266 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [246139679] [2021-07-14 16:27:54,266 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 16:27:54,266 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:54,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 16:27:54,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-14 16:27:54,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:54,267 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:54,267 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 4.2) internal successors, (42), 9 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:54,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:54,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:54,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:54,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:54,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:54,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:54,640 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:54,641 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:54,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:54,641 INFO L82 PathProgramCache]: Analyzing trace with hash -843341438, now seen corresponding path program 3 times [2021-07-14 16:27:54,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:54,642 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1142063954] [2021-07-14 16:27:54,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:54,886 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:54,886 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:54,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1142063954] [2021-07-14 16:27:54,886 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1142063954] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:54,886 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [381099454] [2021-07-14 16:27:54,887 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:54,918 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 16:27:54,918 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:54,919 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 16:27:54,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:55,169 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 17 [2021-07-14 16:27:55,171 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:55,182 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:55,185 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-07-14 16:27:55,185 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:54 [2021-07-14 16:27:55,286 INFO L446 ElimStorePlain]: Different costs {0=[B, v_C_14], 2=[A]} [2021-07-14 16:27:55,289 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 25 [2021-07-14 16:27:55,290 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:55,297 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:55,297 INFO L518 ElimStorePlain]: Eliminatee v_C_14 vanished before elimination [2021-07-14 16:27:55,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:55,300 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-14 16:27:55,300 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 16 [2021-07-14 16:27:55,302 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:55,306 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:55,309 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:55,309 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:5 [2021-07-14 16:27:55,330 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:55,330 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [381099454] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:55,330 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:55,330 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-14 16:27:55,330 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [145132135] [2021-07-14 16:27:55,330 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 16:27:55,331 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:55,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 16:27:55,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-07-14 16:27:55,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:55,331 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:55,331 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.388888888888889) internal successors, (43), 17 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:55,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:55,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:55,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:55,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:55,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:55,332 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:55,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:27:56,082 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:56,082 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:56,082 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:56,082 INFO L82 PathProgramCache]: Analyzing trace with hash -632050242, now seen corresponding path program 4 times [2021-07-14 16:27:56,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:56,083 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1632013216] [2021-07-14 16:27:56,083 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:56,133 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 16:27:56,133 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:56,133 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1632013216] [2021-07-14 16:27:56,134 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1632013216] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:56,134 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790181940] [2021-07-14 16:27:56,134 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:56,172 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 16:27:56,172 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:56,173 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 16:27:56,178 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:56,233 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 16:27:56,233 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790181940] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:56,233 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:56,233 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 16:27:56,233 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704264843] [2021-07-14 16:27:56,234 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 16:27:56,234 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:56,234 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 16:27:56,235 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-14 16:27:56,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:56,235 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:56,235 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 9 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:56,235 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:27:56,236 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,365 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:27:56,366 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:56,572 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:56,573 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:56,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:56,573 INFO L82 PathProgramCache]: Analyzing trace with hash -542471430, now seen corresponding path program 5 times [2021-07-14 16:27:56,573 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:56,573 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1983555064] [2021-07-14 16:27:56,573 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:56,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:56,619 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 16:27:56,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:56,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1983555064] [2021-07-14 16:27:56,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1983555064] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:56,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1597472337] [2021-07-14 16:27:56,619 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:56,662 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-14 16:27:56,662 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:56,663 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 16:27:56,664 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:56,726 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 16:27:56,726 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1597472337] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:56,726 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:56,726 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-14 16:27:56,726 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829885433] [2021-07-14 16:27:56,726 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 16:27:56,726 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:56,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 16:27:56,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-14 16:27:56,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:56,727 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:56,727 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 3.7) internal successors, (37), 9 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:56,727 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:56,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:27:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:56,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:57,063 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-14 16:27:57,063 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:27:57,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:27:57,063 INFO L82 PathProgramCache]: Analyzing trace with hash 2069297462, now seen corresponding path program 6 times [2021-07-14 16:27:57,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:27:57,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347937962] [2021-07-14 16:27:57,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:27:57,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:27:57,682 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:57,683 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:27:57,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347937962] [2021-07-14 16:27:57,683 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1347937962] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:57,683 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1267892711] [2021-07-14 16:27:57,683 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:27:57,719 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 16:27:57,719 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:27:57,720 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-14 16:27:57,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:27:57,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 16:27:58,000 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:58,014 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,014 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:68 [2021-07-14 16:27:58,084 INFO L354 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2021-07-14 16:27:58,084 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 41 treesize of output 41 [2021-07-14 16:27:58,086 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,102 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:58,103 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,103 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:94 [2021-07-14 16:27:58,169 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,180 INFO L354 Elim1Store]: treesize reduction 39, result has 11.4 percent of original size [2021-07-14 16:27:58,180 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 66 treesize of output 67 [2021-07-14 16:27:58,182 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,200 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:58,201 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,201 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:121 [2021-07-14 16:27:58,283 INFO L446 ElimStorePlain]: Different costs {3=[v_C_18], 15=[A, B]} [2021-07-14 16:27:58,288 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,292 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-07-14 16:27:58,292 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 76 treesize of output 62 [2021-07-14 16:27:58,294 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,309 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:58,313 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,319 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,325 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,366 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:58,366 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 66 treesize of output 120 [2021-07-14 16:27:58,582 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-14 16:27:58,612 INFO L628 ElimStorePlain]: treesize reduction 77, result has 48.7 percent of original size [2021-07-14 16:27:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,619 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,620 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,624 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:27:58,661 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:27:58,661 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 12 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 9 case distinctions, treesize of input 62 treesize of output 112 [2021-07-14 16:27:58,729 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2021-07-14 16:27:58,750 INFO L628 ElimStorePlain]: treesize reduction 35, result has 44.4 percent of original size [2021-07-14 16:27:58,754 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 16:27:58,754 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:132, output treesize:26 [2021-07-14 16:27:58,819 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:27:58,820 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1267892711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:27:58,820 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:27:58,820 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2021-07-14 16:27:58,820 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706860471] [2021-07-14 16:27:58,821 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 16:27:58,821 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:27:58,821 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 16:27:58,821 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-07-14 16:27:58,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:58,821 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:27:58,821 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 2.3333333333333335) internal successors, (63), 26 states have internal predecessors, (63), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:58,822 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:27:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:27:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:27:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:27:59,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:27:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:27:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:27:59,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 16:28:00,133 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:00,134 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:00,134 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:00,134 INFO L82 PathProgramCache]: Analyzing trace with hash 431371754, now seen corresponding path program 7 times [2021-07-14 16:28:00,134 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:00,134 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560723695] [2021-07-14 16:28:00,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:00,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:00,256 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 64 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 16:28:00,256 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:00,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560723695] [2021-07-14 16:28:00,257 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [560723695] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:00,257 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1850257856] [2021-07-14 16:28:00,257 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 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 [2021-07-14 16:28:00,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:00,294 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 16:28:00,295 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:00,393 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 16:28:00,394 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1850257856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:00,394 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:00,394 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 16:28:00,394 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115765809] [2021-07-14 16:28:00,395 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 16:28:00,395 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:00,395 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 16:28:00,395 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 16:28:00,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:00,395 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:00,396 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 16:28:00,396 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:00,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 16:28:00,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 16:28:00,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 16:28:00,912 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:00,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:00,912 INFO L82 PathProgramCache]: Analyzing trace with hash -309956194, now seen corresponding path program 8 times [2021-07-14 16:28:00,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:00,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [412450881] [2021-07-14 16:28:00,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:00,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:01,051 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 64 proven. 52 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-07-14 16:28:01,052 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:01,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [412450881] [2021-07-14 16:28:01,052 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [412450881] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:01,052 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1583235528] [2021-07-14 16:28:01,052 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 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 [2021-07-14 16:28:01,103 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 16:28:01,104 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:01,104 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 16:28:01,106 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:01,195 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-07-14 16:28:01,195 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1583235528] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:01,195 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 16:28:01,195 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 16:28:01,195 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381872421] [2021-07-14 16:28:01,196 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 16:28:01,196 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 16:28:01,196 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 16:28:01,196 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 16:28:01,196 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:01,196 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 16:28:01,197 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 2.9444444444444446) internal successors, (53), 17 states have internal predecessors, (53), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-14 16:28:01,197 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 16:28:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 16:28:01,495 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 16:28:01,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-14 16:28:01,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2021-07-14 16:28:01,713 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 16:28:01,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 16:28:01,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1794468946, now seen corresponding path program 9 times [2021-07-14 16:28:01,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 16:28:01,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [977419325] [2021-07-14 16:28:01,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 16:28:01,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 16:28:03,578 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 16:28:03,578 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 16:28:03,578 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [977419325] [2021-07-14 16:28:03,579 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [977419325] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 16:28:03,579 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1553880606] [2021-07-14 16:28:03,579 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 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 [2021-07-14 16:28:03,652 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-14 16:28:03,652 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 16:28:03,655 WARN L261 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 140 conjunts are in the unsatisfiable core [2021-07-14 16:28:03,657 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 16:28:05,887 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 12 treesize of output 11 [2021-07-14 16:28:05,888 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:05,914 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:05,917 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:05,917 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:160, output treesize:159 [2021-07-14 16:28:06,081 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 33 treesize of output 33 [2021-07-14 16:28:06,083 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:06,112 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:06,115 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:06,115 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:175, output treesize:174 [2021-07-14 16:28:06,306 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 47 treesize of output 48 [2021-07-14 16:28:06,308 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:06,338 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:06,340 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:06,341 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:189, output treesize:188 [2021-07-14 16:28:06,552 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:06,553 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:06,554 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:06,555 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 3 select indices, 3 select index equivalence classes, 6 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 71 [2021-07-14 16:28:06,556 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:06,591 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:06,594 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:06,594 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:211, output treesize:216 [2021-07-14 16:28:06,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 4 select indices, 4 select index equivalence classes, 10 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 81 treesize of output 88 [2021-07-14 16:28:06,825 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:06,861 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:06,864 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:06,864 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:220, output treesize:225 [2021-07-14 16:28:07,146 INFO L354 Elim1Store]: treesize reduction 140, result has 15.7 percent of original size [2021-07-14 16:28:07,147 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 5 case distinctions, treesize of input 109 treesize of output 121 [2021-07-14 16:28:07,149 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:07,190 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:07,192 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:07,192 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:248, output treesize:247 [2021-07-14 16:28:07,502 INFO L354 Elim1Store]: treesize reduction 224, result has 12.8 percent of original size [2021-07-14 16:28:07,503 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 6 select indices, 6 select index equivalence classes, 10 disjoint index pairs (out of 15 index pairs), introduced 6 new quantified variables, introduced 11 case distinctions, treesize of input 131 treesize of output 142 [2021-07-14 16:28:07,505 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:07,552 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:07,556 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:07,556 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:270, output treesize:301 [2021-07-14 16:28:07,932 INFO L354 Elim1Store]: treesize reduction 320, result has 11.1 percent of original size [2021-07-14 16:28:07,932 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 7 select indices, 7 select index equivalence classes, 10 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 18 case distinctions, treesize of input 153 treesize of output 163 [2021-07-14 16:28:07,935 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:07,988 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:07,991 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:07,991 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:292, output treesize:340 [2021-07-14 16:28:08,406 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 38 [2021-07-14 16:28:08,406 INFO L354 Elim1Store]: treesize reduction 428, result has 9.9 percent of original size [2021-07-14 16:28:08,407 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 8 select indices, 8 select index equivalence classes, 10 disjoint index pairs (out of 28 index pairs), introduced 8 new quantified variables, introduced 26 case distinctions, treesize of input 229 treesize of output 244 [2021-07-14 16:28:08,409 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:08,469 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:08,473 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-07-14 16:28:08,473 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:368, output treesize:367 [2021-07-14 16:28:09,166 INFO L446 ElimStorePlain]: Different costs {26=[v_C_28], 95=[A, B]} [2021-07-14 16:28:09,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,177 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,178 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,189 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,201 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,212 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-07-14 16:28:09,212 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 16 disjoint index pairs (out of 36 index pairs), introduced 9 new quantified variables, introduced 20 case distinctions, treesize of input 188 treesize of output 150 [2021-07-14 16:28:09,215 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 16:28:09,247 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:09,252 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,256 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,268 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,271 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,273 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,279 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,284 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,307 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,308 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,309 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,316 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,318 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,320 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,321 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,322 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,323 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,326 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,327 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,331 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 16:28:09,952 WARN L205 SmtUtils]: Spent 611.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-14 16:28:09,953 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 16:28:09,953 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 15 select indices, 15 select index equivalence classes, 40 disjoint index pairs (out of 105 index pairs), introduced 15 new quantified variables, introduced 65 case distinctions, treesize of input 199 treesize of output 763 [2021-07-14 16:28:10,977 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 1983 DAG size of output: 1187 [2021-07-14 16:28:11,745 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 2003 DAG size of output: 1207 [2021-07-14 16:28:17,295 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 7869 DAG size of output: 4336 [2021-07-14 16:28:22,695 WARN L205 SmtUtils]: Spent 5.09 s on a formula simplification. DAG size of input: 7886 DAG size of output: 4353 [2021-07-14 16:28:50,066 WARN L205 SmtUtils]: Spent 24.74 s on a formula simplification. DAG size of input: 23822 DAG size of output: 15532 [2021-07-14 16:29:23,862 WARN L205 SmtUtils]: Spent 33.16 s on a formula simplification. DAG size of input: 23843 DAG size of output: 15553 [2021-07-14 16:30:27,719 WARN L205 SmtUtils]: Spent 1.06 m on a formula simplification. DAG size of input: 15196 DAG size of output: 15211 [2021-07-14 16:31:31,086 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 15191 DAG size of output: 15288 [2021-07-14 16:32:34,432 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 15188 DAG size of output: 15218 [2021-07-14 16:33:02,256 WARN L205 SmtUtils]: Spent 27.66 s on a formula simplification. DAG size of input: 15183 DAG size of output: 15183 [2021-07-14 16:33:07,094 WARN L205 SmtUtils]: Spent 4.76 s on a formula simplification. DAG size of input: 4146 DAG size of output: 4146 [2021-07-14 16:33:07,858 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 1229 DAG size of output: 1229 [2021-07-14 16:33:09,152 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1098 DAG size of output: 1102 [2021-07-14 16:33:10,457 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1099 [2021-07-14 16:33:11,015 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1090 [2021-07-14 16:33:11,434 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 967 [2021-07-14 16:33:11,582 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 341 [2021-07-14 16:33:11,712 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 315 [2021-07-14 16:33:11,820 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 276 [2021-07-14 16:33:12,556 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 532 [2021-07-14 16:33:12,753 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 595 [2021-07-14 16:33:13,044 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 708 [2021-07-14 16:33:13,468 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 836 [2021-07-14 16:33:14,050 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 949 [2021-07-14 16:33:14,887 WARN L205 SmtUtils]: Spent 828.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1385 [2021-07-14 16:33:15,935 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 1605 DAG size of output: 1500 [2021-07-14 16:33:17,771 WARN L205 SmtUtils]: Spent 1.83 s on a formula simplification. DAG size of input: 1686 DAG size of output: 1581 [2021-07-14 16:33:20,508 WARN L205 SmtUtils]: Spent 2.73 s on a formula simplification. DAG size of input: 1698 DAG size of output: 1593 [2021-07-14 16:33:23,764 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 1828 DAG size of output: 1721 [2021-07-14 16:33:31,428 WARN L205 SmtUtils]: Spent 7.64 s on a formula simplification. DAG size of input: 3385 DAG size of output: 3391 [2021-07-14 16:33:39,044 WARN L205 SmtUtils]: Spent 7.58 s on a formula simplification. DAG size of input: 3382 DAG size of output: 3384 [2021-07-14 16:33:42,397 WARN L205 SmtUtils]: Spent 3.32 s on a formula simplification. DAG size of input: 3377 DAG size of output: 3377 [2021-07-14 16:33:44,907 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 3082 DAG size of output: 3082 [2021-07-14 16:33:45,449 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1169 [2021-07-14 16:33:46,206 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 514 [2021-07-14 16:33:46,471 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 604 [2021-07-14 16:33:46,726 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 701 [2021-07-14 16:33:47,167 WARN L205 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 889 DAG size of output: 830 [2021-07-14 16:33:47,625 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 939 [2021-07-14 16:33:48,459 WARN L205 SmtUtils]: Spent 824.00 ms on a formula simplification. DAG size of input: 1730 DAG size of output: 1603 [2021-07-14 16:33:50,816 WARN L205 SmtUtils]: Spent 2.34 s on a formula simplification. DAG size of input: 3621 DAG size of output: 3487 [2021-07-14 16:33:53,903 WARN L205 SmtUtils]: Spent 3.06 s on a formula simplification. DAG size of input: 3918 DAG size of output: 3782 [2021-07-14 16:34:01,147 WARN L205 SmtUtils]: Spent 7.22 s on a formula simplification. DAG size of input: 3963 DAG size of output: 3827 [2021-07-14 16:34:13,259 WARN L205 SmtUtils]: Spent 12.09 s on a formula simplification. DAG size of input: 3977 DAG size of output: 3841 [2021-07-14 16:34:30,964 WARN L205 SmtUtils]: Spent 17.68 s on a formula simplification. DAG size of input: 5227 DAG size of output: 5025 [2021-07-14 16:35:15,098 WARN L205 SmtUtils]: Spent 44.03 s on a formula simplification. DAG size of input: 12694 DAG size of output: 12818 [2021-07-14 16:35:58,832 WARN L205 SmtUtils]: Spent 43.58 s on a formula simplification. DAG size of input: 12691 DAG size of output: 12757 [2021-07-14 16:36:18,158 WARN L205 SmtUtils]: Spent 19.18 s on a formula simplification. DAG size of input: 12686 DAG size of output: 12686 [2021-07-14 16:36:31,038 WARN L205 SmtUtils]: Spent 12.80 s on a formula simplification. DAG size of input: 10348 DAG size of output: 10348 [2021-07-14 16:36:34,149 WARN L205 SmtUtils]: Spent 3.07 s on a formula simplification. DAG size of input: 3454 DAG size of output: 3454 [2021-07-14 16:36:34,759 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-14 16:36:35,194 WARN L205 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 929 DAG size of output: 929 [2021-07-14 16:36:35,537 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 798 DAG size of output: 798 [2021-07-14 16:36:35,774 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 700 [2021-07-14 16:36:35,938 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2021-07-14 16:36:36,166 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-14 16:36:36,787 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 648 [2021-07-14 16:36:36,993 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 753 [2021-07-14 16:36:37,268 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 854 [2021-07-14 16:36:37,643 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 988 [2021-07-14 16:36:38,150 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1166 [2021-07-14 16:36:40,209 WARN L205 SmtUtils]: Spent 2.04 s on a formula simplification. DAG size of input: 2833 DAG size of output: 2833 [2021-07-14 16:36:40,698 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-14 16:36:41,054 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 924 [2021-07-14 16:36:41,314 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 749 [2021-07-14 16:36:41,493 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 641 [2021-07-14 16:36:41,614 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2021-07-14 16:36:42,233 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 624 [2021-07-14 16:36:42,390 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 728 [2021-07-14 16:36:42,617 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 838 [2021-07-14 16:36:43,194 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1048 [2021-07-14 16:36:43,639 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1233 DAG size of output: 1170 [2021-07-14 16:36:44,883 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 2100 DAG size of output: 2100 [2021-07-14 16:36:45,824 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 1901 DAG size of output: 1901 [2021-07-14 16:36:46,302 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1279 [2021-07-14 16:36:46,578 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 948 [2021-07-14 16:36:47,232 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 651 [2021-07-14 16:36:47,457 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 795 [2021-07-14 16:36:47,841 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1340 DAG size of output: 1283 [2021-07-14 16:36:48,429 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 1668 DAG size of output: 1608 [2021-07-14 16:36:49,421 WARN L205 SmtUtils]: Spent 979.00 ms on a formula simplification. DAG size of input: 2270 DAG size of output: 2208 [2021-07-14 16:36:50,711 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 2465 DAG size of output: 2403 [2021-07-14 16:36:52,792 WARN L205 SmtUtils]: Spent 2.06 s on a formula simplification. DAG size of input: 3345 DAG size of output: 3244 [2021-07-14 16:36:55,850 WARN L205 SmtUtils]: Spent 3.04 s on a formula simplification. DAG size of input: 4005 DAG size of output: 3883 [2021-07-14 16:37:03,768 WARN L205 SmtUtils]: Spent 7.87 s on a formula simplification. DAG size of input: 7701 DAG size of output: 7701 [2021-07-14 16:37:08,804 WARN L205 SmtUtils]: Spent 4.99 s on a formula simplification. DAG size of input: 5947 DAG size of output: 5947 [2021-07-14 16:37:09,112 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 880 [2021-07-14 16:37:09,373 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 628 [2021-07-14 16:37:09,917 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 578 [2021-07-14 16:37:10,131 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 656 [2021-07-14 16:37:10,717 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 529 [2021-07-14 16:37:10,917 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 672 [2021-07-14 16:37:11,360 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1181 [2021-07-14 16:37:12,049 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1562 [2021-07-14 16:37:12,162 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 490 [2021-07-14 16:37:12,333 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 448 [2021-07-14 16:37:12,456 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 372 [2021-07-14 16:37:13,345 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 929 [2021-07-14 16:37:13,697 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 1170 DAG size of output: 1116 [2021-07-14 16:37:14,216 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 1395 DAG size of output: 1334 [2021-07-14 16:37:14,745 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 547 [2021-07-14 16:37:15,528 WARN L205 SmtUtils]: Spent 776.00 ms on a formula simplification. DAG size of input: 1778 DAG size of output: 1705 [2021-07-14 16:37:17,314 WARN L205 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 2963 DAG size of output: 2870 [2021-07-14 16:37:22,514 WARN L205 SmtUtils]: Spent 5.17 s on a formula simplification. DAG size of input: 7293 DAG size of output: 7122 [2021-07-14 16:37:30,343 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 9022 DAG size of output: 8834 [2021-07-14 16:37:43,100 WARN L205 SmtUtils]: Spent 12.70 s on a formula simplification. DAG size of input: 12114 DAG size of output: 11842 [2021-07-14 16:37:46,966 WARN L205 SmtUtils]: Spent 3.80 s on a formula simplification. DAG size of input: 3760 DAG size of output: 3760 [2021-07-14 16:37:49,783 WARN L205 SmtUtils]: Spent 2.79 s on a formula simplification. DAG size of input: 3264 DAG size of output: 3264 [2021-07-14 16:37:50,294 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 1147 [2021-07-14 16:37:50,667 WARN L205 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 1032 DAG size of output: 1032 [2021-07-14 16:37:50,875 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 702 [2021-07-14 16:37:51,572 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 561 [2021-07-14 16:37:51,796 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 664 [2021-07-14 16:37:52,140 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1022 [2021-07-14 16:37:53,226 WARN L205 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1352 [2021-07-14 16:37:53,916 WARN L205 SmtUtils]: Spent 678.00 ms on a formula simplification. DAG size of input: 1523 DAG size of output: 1458 [2021-07-14 16:37:55,817 WARN L205 SmtUtils]: Spent 1.89 s on a formula simplification. DAG size of input: 2488 DAG size of output: 2488 [2021-07-14 16:37:57,064 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 2061 DAG size of output: 2061 [2021-07-14 16:37:57,706 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1201 [2021-07-14 16:37:58,148 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 990 [2021-07-14 16:37:58,435 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 796 [2021-07-14 16:37:58,634 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 683 [2021-07-14 16:37:58,781 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2021-07-14 16:37:59,138 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 739 [2021-07-14 16:37:59,338 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 801 [2021-07-14 16:37:59,603 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 961 DAG size of output: 909 [2021-07-14 16:38:00,008 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1103 [2021-07-14 16:38:00,568 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 1366 DAG size of output: 1311 [2021-07-14 16:38:01,603 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 2217 DAG size of output: 2159 [2021-07-14 16:38:03,154 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 2645 DAG size of output: 2587 [2021-07-14 16:38:05,788 WARN L205 SmtUtils]: Spent 2.62 s on a formula simplification. DAG size of input: 3728 DAG size of output: 3631 [2021-07-14 16:38:06,230 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 926 [2021-07-14 16:38:06,928 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 722 [2021-07-14 16:38:07,132 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 622 [2021-07-14 16:38:07,273 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2021-07-14 16:38:07,803 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 544 [2021-07-14 16:38:07,960 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 652 [2021-07-14 16:38:08,187 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 755 [2021-07-14 16:38:08,536 WARN L205 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 975 [2021-07-14 16:38:12,068 WARN L205 SmtUtils]: Spent 3.52 s on a formula simplification. DAG size of input: 4239 DAG size of output: 4134 [2021-07-14 16:38:30,951 WARN L205 SmtUtils]: Spent 18.84 s on a formula simplification. DAG size of input: 14776 DAG size of output: 14451 [2021-07-14 16:39:13,435 WARN L205 SmtUtils]: Spent 42.40 s on a formula simplification. DAG size of input: 15648 DAG size of output: 15324 [2021-07-14 16:40:22,534 WARN L205 SmtUtils]: Spent 1.15 m on a formula simplification. DAG size of input: 16092 DAG size of output: 15767 [2021-07-14 16:42:01,830 WARN L205 SmtUtils]: Spent 1.65 m on a formula simplification. DAG size of input: 19465 DAG size of output: 18982 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown