/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 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 11:51:20,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 11:51:20,477 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 11:51:20,508 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-10 11:51:20,567 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 [2021-07-10 11:51:20,599 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 11:51:20,599 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 11:51:20,600 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 11:51:20,600 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 11:51:20,602 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 11:51:20,602 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 11:51:20,602 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 11:51:20,602 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 11:51:20,602 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 11:51:20,602 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 11:51:20,603 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 11:51:20,603 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 11:51:20,603 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 11:51:20,603 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 11:51:20,603 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 11:51:20,603 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 11:51:20,603 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 11:51:20,604 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 11:51:20,604 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 11:51:20,604 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 11:51:20,604 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 11:51:20,604 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 11:51:20,604 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 11:51:20,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 11:51:20,604 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 11:51:20,604 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 11:51:20,605 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 11:51:20,605 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 11:51:20,605 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 11:51:20,605 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 11:51:20,605 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 11:51:20,605 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 11:51:20,605 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-10 11:51:20,605 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 11:51:20,853 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 11:51:20,866 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 11:51:20,868 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 11:51:20,869 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 11:51:20,870 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 11:51:20,870 INFO L432 ainManager$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 [2021-07-10 11:51:20,870 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' [2021-07-10 11:51:20,887 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 11:51:20,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 11:51:20,889 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 11:51:20,889 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 11:51:20,889 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 11:51:20,897 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,902 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,907 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 11:51:20,908 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 11:51:20,908 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 11:51:20,908 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 11:51:20,913 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,913 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,913 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,914 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,915 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,918 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,918 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 10.07 11:51:20" (1/1) ... [2021-07-10 11:51:20,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 11:51:20,920 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 11:51:20,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 11:51:20,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 11:51:20,937 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 10.07 11:51:20" (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 [2021-07-10 11:51:21,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 11:51:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 11:51:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 11:51:21,004 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 11:51:21,004 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 11:51:21,004 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 11:51:21,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 11:51:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 11:51:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 11:51:21,005 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-10 11:51:21,005 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 11:51:21,005 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 11:51:21,006 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 11:51:21,209 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 11:51:21,209 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-10 11:51:21,211 INFO L202 PluginConnector]: Adding new model three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 11:51:21 BoogieIcfgContainer [2021-07-10 11:51:21,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 11:51:21,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 11:51:21,212 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 11:51:21,214 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 11:51:21,214 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 10.07 11:51:20" (1/2) ... [2021-07-10 11:51:21,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@23aaea64 and model type three-array-sum-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 11:51:21, skipping insertion in model container [2021-07-10 11:51:21,215 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 10.07 11:51:21" (2/2) ... [2021-07-10 11:51:21,216 INFO L111 eAbstractionObserver]: Analyzing ICFG three-array-sum-alt.wvr.bpl [2021-07-10 11:51:21,220 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 11:51:21,220 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 11:51:21,220 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 11:51:21,220 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 11:51:21,244 INFO L149 ThreadInstanceAdder]: Constructed 3 joinOtherThreadTransitions. [2021-07-10 11:51:21,275 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 [2021-07-10 11:51:21,346 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 11:51:21,347 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 11:51:21,347 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 11:51:21,347 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 11:51:21,347 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 11:51:21,347 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 11:51:21,347 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 11:51:21,347 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 11:51:21,422 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:21,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:21,426 INFO L82 PathProgramCache]: Analyzing trace with hash -1749066802, now seen corresponding path program 1 times [2021-07-10 11:51:21,431 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:21,431 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697718322] [2021-07-10 11:51:21,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:21,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:21,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:21,632 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:21,633 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697718322] [2021-07-10 11:51:21,634 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697718322] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 11:51:21,634 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 11:51:21,634 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 11:51:21,634 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56554794] [2021-07-10 11:51:21,638 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 11:51:21,639 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:21,648 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 11:51:21,649 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 11:51:21,649 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:21,650 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:21,654 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) [2021-07-10 11:51:21,654 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:21,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:21,686 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 11:51:21,686 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:21,689 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:21,689 INFO L82 PathProgramCache]: Analyzing trace with hash -1341931860, now seen corresponding path program 1 times [2021-07-10 11:51:21,689 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:21,690 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197811866] [2021-07-10 11:51:21,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:21,735 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:21,735 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:21,735 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197811866] [2021-07-10 11:51:21,736 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197811866] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:21,736 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1598444795] [2021-07-10 11:51:21,736 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 [2021-07-10 11:51:21,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:21,804 INFO L263 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 11:51:21,807 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:21,882 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:21,882 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1598444795] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:21,883 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:21,883 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-07-10 11:51:21,884 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716861937] [2021-07-10 11:51:21,885 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 11:51:21,885 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:21,888 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 11:51:21,888 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-10 11:51:21,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:21,889 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:21,889 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) [2021-07-10 11:51:21,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:21,889 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:21,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:21,971 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:22,172 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:22,173 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:22,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:22,174 INFO L82 PathProgramCache]: Analyzing trace with hash 1517943178, now seen corresponding path program 1 times [2021-07-10 11:51:22,174 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:22,174 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521271025] [2021-07-10 11:51:22,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:22,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:22,212 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:51:22,212 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:22,212 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521271025] [2021-07-10 11:51:22,213 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521271025] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:22,213 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [538300796] [2021-07-10 11:51:22,213 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 [2021-07-10 11:51:22,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:22,243 INFO L263 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 11:51:22,244 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:22,281 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:51:22,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [538300796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:22,282 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:22,282 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3] total 5 [2021-07-10 11:51:22,282 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1690536802] [2021-07-10 11:51:22,282 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 11:51:22,282 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:22,283 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 11:51:22,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2021-07-10 11:51:22,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:22,283 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:22,283 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) [2021-07-10 11:51:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:22,283 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:22,284 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:22,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:22,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:22,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:22,559 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:22,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:22,559 INFO L82 PathProgramCache]: Analyzing trace with hash -1108611992, now seen corresponding path program 1 times [2021-07-10 11:51:22,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:22,560 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [531154426] [2021-07-10 11:51:22,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:22,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:22,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:22,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:22,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [531154426] [2021-07-10 11:51:22,666 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [531154426] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:22,666 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [47252264] [2021-07-10 11:51:22,666 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 [2021-07-10 11:51:22,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:22,714 INFO L263 TraceCheckSpWp]: Trace formula consists of 63 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-10 11:51:22,716 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:22,891 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 [2021-07-10 11:51:22,893 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:22,896 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:22,897 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 [2021-07-10 11:51:22,898 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:22,900 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:22,900 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:22,900 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 2 variables, input treesize:20, output treesize:5 [2021-07-10 11:51:22,933 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:22,934 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [47252264] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:22,934 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:22,934 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 7 [2021-07-10 11:51:22,934 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797488867] [2021-07-10 11:51:22,934 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-10 11:51:22,935 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:22,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-10 11:51:22,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-10 11:51:22,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:22,935 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:22,936 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) [2021-07-10 11:51:22,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:22,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:22,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:22,936 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:23,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:23,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:23,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:23,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:23,216 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:23,217 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:23,217 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:23,217 INFO L82 PathProgramCache]: Analyzing trace with hash -1786367802, now seen corresponding path program 2 times [2021-07-10 11:51:23,217 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:23,218 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166665188] [2021-07-10 11:51:23,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:23,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:23,255 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:51:23,255 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:23,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166665188] [2021-07-10 11:51:23,255 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [166665188] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:23,255 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [373402887] [2021-07-10 11:51:23,255 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) [2021-07-10 11:51:23,299 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:51:23,299 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:23,300 INFO L263 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 11:51:23,301 INFO L286 TraceCheckSpWp]: Computing forward predicates... Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:23,362 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 11:51:23,362 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [373402887] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:23,362 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:23,362 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-07-10 11:51:23,362 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791424641] [2021-07-10 11:51:23,362 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:51:23,362 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:23,363 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:51:23,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:51:23,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:23,363 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:23,363 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) [2021-07-10 11:51:23,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:23,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:23,363 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:23,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:23,364 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:23,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:23,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:23,711 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:23,712 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:23,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:23,712 INFO L82 PathProgramCache]: Analyzing trace with hash -843341438, now seen corresponding path program 3 times [2021-07-10 11:51:23,712 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:23,712 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2085062259] [2021-07-10 11:51:23,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:23,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:24,042 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:24,042 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:24,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2085062259] [2021-07-10 11:51:24,043 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2085062259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:24,043 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1948579348] [2021-07-10 11:51:24,043 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 [2021-07-10 11:51:24,073 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 11:51:24,073 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:24,074 INFO L263 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-10 11:51:24,075 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:24,374 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 [2021-07-10 11:51:24,375 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:24,388 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:24,397 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. [2021-07-10 11:51:24,397 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:55, output treesize:54 [2021-07-10 11:51:24,524 INFO L446 ElimStorePlain]: Different costs {0=[B, v_C_14], 2=[A]} [2021-07-10 11:51:24,527 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 [2021-07-10 11:51:24,528 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:24,534 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:24,534 INFO L518 ElimStorePlain]: Eliminatee v_C_14 vanished before elimination [2021-07-10 11:51:24,536 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:24,537 INFO L173 IndexEqualityManager]: detected equality via solver [2021-07-10 11:51:24,538 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 [2021-07-10 11:51:24,539 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:24,543 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:24,545 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:24,545 INFO L247 ElimStorePlain]: Needed 3 recursive calls to eliminate 4 variables, input treesize:48, output treesize:5 [2021-07-10 11:51:24,566 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:24,566 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1948579348] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:24,567 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:24,567 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-07-10 11:51:24,568 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [451647449] [2021-07-10 11:51:24,568 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 11:51:24,568 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:24,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 11:51:24,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2021-07-10 11:51:24,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:24,569 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:24,569 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) [2021-07-10 11:51:24,569 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:24,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:24,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:24,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:24,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:24,570 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:25,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:25,109 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:25,324 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:25,325 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:25,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:25,325 INFO L82 PathProgramCache]: Analyzing trace with hash -632050242, now seen corresponding path program 4 times [2021-07-10 11:51:25,325 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:25,325 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724777014] [2021-07-10 11:51:25,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:25,374 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 11:51:25,374 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:25,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724777014] [2021-07-10 11:51:25,374 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1724777014] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:25,374 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [257313729] [2021-07-10 11:51:25,374 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 [2021-07-10 11:51:25,419 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 11:51:25,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:25,420 INFO L263 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 11:51:25,421 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:25,472 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-10 11:51:25,472 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [257313729] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:25,472 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:25,472 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 11:51:25,472 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [306958194] [2021-07-10 11:51:25,473 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:51:25,473 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:25,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:51:25,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:51:25,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:25,474 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:25,474 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) [2021-07-10 11:51:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:25,474 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:25,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:25,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:25,840 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:25,841 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:25,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:25,841 INFO L82 PathProgramCache]: Analyzing trace with hash -542471430, now seen corresponding path program 5 times [2021-07-10 11:51:25,841 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:25,841 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596907137] [2021-07-10 11:51:25,842 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:25,897 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 16 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 11:51:25,897 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:25,897 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596907137] [2021-07-10 11:51:25,898 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596907137] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:25,898 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1504995384] [2021-07-10 11:51:25,898 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 [2021-07-10 11:51:25,945 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-07-10 11:51:25,945 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:25,946 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 11:51:25,947 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:26,008 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 11:51:26,008 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1504995384] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:26,008 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:26,008 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 11:51:26,008 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769709020] [2021-07-10 11:51:26,009 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 11:51:26,009 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:26,009 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 11:51:26,009 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-07-10 11:51:26,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:26,009 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:26,009 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) [2021-07-10 11:51:26,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:26,009 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:26,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:26,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:26,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:26,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:26,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:26,010 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:26,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:26,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:26,352 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-07-10 11:51:26,353 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:26,353 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:26,353 INFO L82 PathProgramCache]: Analyzing trace with hash 2069297462, now seen corresponding path program 6 times [2021-07-10 11:51:26,354 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:26,354 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547015622] [2021-07-10 11:51:26,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:26,974 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:26,974 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:26,974 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547015622] [2021-07-10 11:51:26,974 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547015622] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:26,975 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [102755917] [2021-07-10 11:51:26,975 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 [2021-07-10 11:51:27,016 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-10 11:51:27,016 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:27,017 WARN L261 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 61 conjunts are in the unsatisfiable core [2021-07-10 11:51:27,018 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:27,293 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 [2021-07-10 11:51:27,293 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:27,305 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:27,306 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:27,306 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:69, output treesize:68 [2021-07-10 11:51:27,385 INFO L354 Elim1Store]: treesize reduction 29, result has 14.7 percent of original size [2021-07-10 11:51:27,385 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 [2021-07-10 11:51:27,387 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:27,402 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:27,402 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:27,403 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:92, output treesize:94 [2021-07-10 11:51:27,470 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,481 INFO L354 Elim1Store]: treesize reduction 39, result has 11.4 percent of original size [2021-07-10 11:51:27,481 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 [2021-07-10 11:51:27,484 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:27,501 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:27,502 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:27,502 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:117, output treesize:121 [2021-07-10 11:51:27,595 INFO L446 ElimStorePlain]: Different costs {3=[v_C_18], 15=[A, B]} [2021-07-10 11:51:27,599 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,603 INFO L354 Elim1Store]: treesize reduction 20, result has 4.8 percent of original size [2021-07-10 11:51:27,604 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 [2021-07-10 11:51:27,606 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:27,620 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:27,623 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,625 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,631 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,634 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,635 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,675 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:27,676 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 [2021-07-10 11:51:27,906 INFO L550 ElimStorePlain]: Start of recursive call 3: End of recursive call: and 3 xjuncts. [2021-07-10 11:51:27,934 INFO L628 ElimStorePlain]: treesize reduction 77, result has 48.7 percent of original size [2021-07-10 11:51:27,937 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,939 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,942 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,944 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,947 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,948 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:27,983 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:27,983 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 [2021-07-10 11:51:28,059 INFO L550 ElimStorePlain]: Start of recursive call 4: End of recursive call: and 4 xjuncts. [2021-07-10 11:51:28,079 INFO L628 ElimStorePlain]: treesize reduction 35, result has 44.4 percent of original size [2021-07-10 11:51:28,082 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 3 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 11:51:28,082 INFO L247 ElimStorePlain]: Needed 4 recursive calls to eliminate 4 variables, input treesize:132, output treesize:26 [2021-07-10 11:51:28,146 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:28,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [102755917] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:28,147 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:28,147 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 26 [2021-07-10 11:51:28,147 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379699129] [2021-07-10 11:51:28,147 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 11:51:28,147 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:28,147 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 11:51:28,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=623, Unknown=0, NotChecked=0, Total=702 [2021-07-10 11:51:28,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:28,148 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:28,148 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) [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:28,148 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:29,251 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:29,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 11:51:29,452 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:29,453 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:29,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:29,453 INFO L82 PathProgramCache]: Analyzing trace with hash 431371754, now seen corresponding path program 7 times [2021-07-10 11:51:29,453 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:29,453 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [206174769] [2021-07-10 11:51:29,453 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:29,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:29,571 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 64 proven. 52 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 11:51:29,571 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:29,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [206174769] [2021-07-10 11:51:29,571 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [206174769] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:29,571 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1263241031] [2021-07-10 11:51:29,571 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 [2021-07-10 11:51:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:29,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 11:51:29,609 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:29,711 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-10 11:51:29,711 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1263241031] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:29,711 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:29,711 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 11:51:29,711 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916946738] [2021-07-10 11:51:29,711 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 11:51:29,711 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:29,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 11:51:29,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 11:51:29,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:29,712 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:29,712 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) [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:29,712 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 11:51:29,713 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:30,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 11:51:30,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:51:30,237 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable82,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 11:51:30,237 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:30,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:30,237 INFO L82 PathProgramCache]: Analyzing trace with hash -309956194, now seen corresponding path program 8 times [2021-07-10 11:51:30,237 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:30,237 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [137609229] [2021-07-10 11:51:30,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:30,343 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 64 proven. 52 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-07-10 11:51:30,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:30,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [137609229] [2021-07-10 11:51:30,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [137609229] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:30,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [201468414] [2021-07-10 11:51:30,343 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 [2021-07-10 11:51:30,397 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 11:51:30,397 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:30,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-10 11:51:30,399 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:30,495 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 81 proven. 35 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2021-07-10 11:51:30,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [201468414] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:30,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 11:51:30,496 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-10 11:51:30,496 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270425528] [2021-07-10 11:51:30,496 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-10 11:51:30,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 11:51:30,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-10 11:51:30,497 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-10 11:51:30,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:30,497 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 11:51:30,497 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) [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:51:30,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 11:51:30,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:51:30,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2021-07-10 11:51:30,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable83 [2021-07-10 11:51:30,993 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 11:51:30,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 11:51:30,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1794468946, now seen corresponding path program 9 times [2021-07-10 11:51:30,993 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 11:51:30,993 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [550743859] [2021-07-10 11:51:30,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 11:51:31,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 11:51:32,937 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 0 proven. 300 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 11:51:32,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 11:51:32,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [550743859] [2021-07-10 11:51:32,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [550743859] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 11:51:32,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1083926607] [2021-07-10 11:51:32,938 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 [2021-07-10 11:51:33,017 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2021-07-10 11:51:33,017 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 11:51:33,019 WARN L261 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 140 conjunts are in the unsatisfiable core [2021-07-10 11:51:33,021 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 11:51:35,337 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 [2021-07-10 11:51:35,338 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:35,361 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:35,364 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. [2021-07-10 11:51:35,364 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:160, output treesize:159 [2021-07-10 11:51:35,547 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 [2021-07-10 11:51:35,549 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:35,579 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:35,582 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. [2021-07-10 11:51:35,582 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:175, output treesize:174 [2021-07-10 11:51:35,783 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 [2021-07-10 11:51:35,785 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:35,812 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:35,815 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. [2021-07-10 11:51:35,816 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:189, output treesize:188 [2021-07-10 11:51:36,006 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:36,008 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:36,009 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:36,009 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 [2021-07-10 11:51:36,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:36,047 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:36,050 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. [2021-07-10 11:51:36,050 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:211, output treesize:216 [2021-07-10 11:51:36,257 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 [2021-07-10 11:51:36,259 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:36,296 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:36,299 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. [2021-07-10 11:51:36,299 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:220, output treesize:225 [2021-07-10 11:51:36,590 INFO L354 Elim1Store]: treesize reduction 140, result has 15.7 percent of original size [2021-07-10 11:51:36,591 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 [2021-07-10 11:51:36,592 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:36,633 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:36,636 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. [2021-07-10 11:51:36,636 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:248, output treesize:247 [2021-07-10 11:51:36,964 INFO L354 Elim1Store]: treesize reduction 224, result has 12.8 percent of original size [2021-07-10 11:51:36,965 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 [2021-07-10 11:51:36,968 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:37,018 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:37,021 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. [2021-07-10 11:51:37,021 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:270, output treesize:301 [2021-07-10 11:51:37,392 INFO L354 Elim1Store]: treesize reduction 320, result has 11.1 percent of original size [2021-07-10 11:51:37,392 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 [2021-07-10 11:51:37,395 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:37,452 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:37,455 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. [2021-07-10 11:51:37,455 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:292, output treesize:340 [2021-07-10 11:51:37,894 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 38 [2021-07-10 11:51:37,895 INFO L354 Elim1Store]: treesize reduction 428, result has 9.9 percent of original size [2021-07-10 11:51:37,895 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 [2021-07-10 11:51:37,898 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:37,966 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:37,969 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. [2021-07-10 11:51:37,969 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:368, output treesize:367 [2021-07-10 11:51:38,643 INFO L446 ElimStorePlain]: Different costs {26=[v_C_28], 95=[A, B]} [2021-07-10 11:51:38,650 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,668 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,669 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,679 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,690 INFO L354 Elim1Store]: treesize reduction 200, result has 0.5 percent of original size [2021-07-10 11:51:38,690 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 [2021-07-10 11:51:38,694 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 11:51:38,725 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:38,730 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,734 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,736 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,737 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,738 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,746 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,747 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,749 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,751 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,758 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,760 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,761 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,762 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,763 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,787 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,788 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,789 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,790 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,792 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,794 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,796 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,798 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,801 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,802 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,803 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,806 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,807 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:38,811 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-10 11:51:39,471 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification that was a NOOP. DAG size: 295 [2021-07-10 11:51:39,471 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 11:51:39,472 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 [2021-07-10 11:51:39,723 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 426 [2021-07-10 11:51:40,519 WARN L205 SmtUtils]: Spent 622.00 ms on a formula simplification. DAG size of input: 1983 DAG size of output: 1187 [2021-07-10 11:51:41,292 WARN L205 SmtUtils]: Spent 686.00 ms on a formula simplification. DAG size of input: 2003 DAG size of output: 1207 [2021-07-10 11:51:46,862 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 7869 DAG size of output: 4336 [2021-07-10 11:51:52,427 WARN L205 SmtUtils]: Spent 5.26 s on a formula simplification. DAG size of input: 7886 DAG size of output: 4353 [2021-07-10 11:52:20,381 WARN L205 SmtUtils]: Spent 25.30 s on a formula simplification. DAG size of input: 23822 DAG size of output: 15532 [2021-07-10 11:52:55,119 WARN L205 SmtUtils]: Spent 34.09 s on a formula simplification. DAG size of input: 23843 DAG size of output: 15553 [2021-07-10 11:54:01,758 WARN L205 SmtUtils]: Spent 1.11 m on a formula simplification. DAG size of input: 15196 DAG size of output: 15211 [2021-07-10 11:55:09,691 WARN L205 SmtUtils]: Spent 1.13 m on a formula simplification. DAG size of input: 15191 DAG size of output: 15288 [2021-07-10 11:56:15,997 WARN L205 SmtUtils]: Spent 1.10 m on a formula simplification. DAG size of input: 15188 DAG size of output: 15218 [2021-07-10 11:56:45,676 WARN L205 SmtUtils]: Spent 29.54 s on a formula simplification. DAG size of input: 15183 DAG size of output: 15183 [2021-07-10 11:56:50,715 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 4146 DAG size of output: 4146 [2021-07-10 11:56:51,487 WARN L205 SmtUtils]: Spent 752.00 ms on a formula simplification. DAG size of input: 1229 DAG size of output: 1229 [2021-07-10 11:56:52,822 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1098 DAG size of output: 1102 [2021-07-10 11:56:54,114 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1095 DAG size of output: 1099 [2021-07-10 11:56:54,673 WARN L205 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 1090 DAG size of output: 1090 [2021-07-10 11:56:55,136 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 967 DAG size of output: 967 [2021-07-10 11:56:55,291 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 341 [2021-07-10 11:56:55,418 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 295 DAG size of output: 315 [2021-07-10 11:56:55,523 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 276 [2021-07-10 11:56:56,249 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 532 [2021-07-10 11:56:56,455 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 646 DAG size of output: 595 [2021-07-10 11:56:56,740 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 768 DAG size of output: 708 [2021-07-10 11:56:57,153 WARN L205 SmtUtils]: Spent 406.00 ms on a formula simplification. DAG size of input: 903 DAG size of output: 836 [2021-07-10 11:56:57,742 WARN L205 SmtUtils]: Spent 583.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 949 [2021-07-10 11:56:58,576 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 1489 DAG size of output: 1385 [2021-07-10 11:56:59,599 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1605 DAG size of output: 1500 [2021-07-10 11:57:01,410 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1686 DAG size of output: 1581 [2021-07-10 11:57:04,137 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 1698 DAG size of output: 1593 [2021-07-10 11:57:07,445 WARN L205 SmtUtils]: Spent 3.30 s on a formula simplification. DAG size of input: 1828 DAG size of output: 1721 [2021-07-10 11:57:15,256 WARN L205 SmtUtils]: Spent 7.78 s on a formula simplification. DAG size of input: 3385 DAG size of output: 3391 [2021-07-10 11:57:23,357 WARN L205 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 3382 DAG size of output: 3384 [2021-07-10 11:57:26,778 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 3377 DAG size of output: 3377 [2021-07-10 11:57:29,326 WARN L205 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 3082 DAG size of output: 3082 [2021-07-10 11:57:29,884 WARN L205 SmtUtils]: Spent 540.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 1169 [2021-07-10 11:57:30,636 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 514 [2021-07-10 11:57:30,902 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 649 DAG size of output: 604 [2021-07-10 11:57:31,172 WARN L205 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 746 DAG size of output: 701 [2021-07-10 11:57:31,618 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 889 DAG size of output: 830 [2021-07-10 11:57:32,082 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 1007 DAG size of output: 939 [2021-07-10 11:57:32,939 WARN L205 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 1730 DAG size of output: 1603 [2021-07-10 11:57:35,464 WARN L205 SmtUtils]: Spent 2.51 s on a formula simplification. DAG size of input: 3621 DAG size of output: 3487 [2021-07-10 11:57:38,626 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 3918 DAG size of output: 3782 [2021-07-10 11:57:46,047 WARN L205 SmtUtils]: Spent 7.40 s on a formula simplification. DAG size of input: 3963 DAG size of output: 3827 [2021-07-10 11:57:58,330 WARN L205 SmtUtils]: Spent 12.26 s on a formula simplification. DAG size of input: 3977 DAG size of output: 3841 [2021-07-10 11:58:16,279 WARN L205 SmtUtils]: Spent 17.92 s on a formula simplification. DAG size of input: 5227 DAG size of output: 5025 [2021-07-10 11:59:01,558 WARN L205 SmtUtils]: Spent 45.17 s on a formula simplification. DAG size of input: 12694 DAG size of output: 12818 [2021-07-10 11:59:49,851 WARN L205 SmtUtils]: Spent 48.13 s on a formula simplification. DAG size of input: 12691 DAG size of output: 12757 [2021-07-10 12:00:10,397 WARN L205 SmtUtils]: Spent 20.39 s on a formula simplification. DAG size of input: 12686 DAG size of output: 12686 [2021-07-10 12:00:25,164 WARN L205 SmtUtils]: Spent 14.68 s on a formula simplification. DAG size of input: 10348 DAG size of output: 10348 [2021-07-10 12:00:28,608 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 3454 DAG size of output: 3454 [2021-07-10 12:00:29,241 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-10 12:00:29,732 WARN L205 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 929 DAG size of output: 929 [2021-07-10 12:00:30,063 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 798 DAG size of output: 798 [2021-07-10 12:00:30,303 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 700 [2021-07-10 12:00:30,491 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 598 DAG size of output: 598 [2021-07-10 12:00:30,728 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-10 12:00:31,259 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 516 [2021-07-10 12:00:31,410 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 648 [2021-07-10 12:00:31,679 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 805 DAG size of output: 753 [2021-07-10 12:00:31,963 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 907 DAG size of output: 854 [2021-07-10 12:00:32,352 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 1042 DAG size of output: 988 [2021-07-10 12:00:32,887 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 1221 DAG size of output: 1166 [2021-07-10 12:00:35,117 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 2833 DAG size of output: 2833 [2021-07-10 12:00:35,660 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 1043 DAG size of output: 1043 [2021-07-10 12:00:36,042 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 924 DAG size of output: 924 [2021-07-10 12:00:36,325 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 749 DAG size of output: 749 [2021-07-10 12:00:36,512 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 641 DAG size of output: 641 [2021-07-10 12:00:36,658 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 537 [2021-07-10 12:00:37,321 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 624 [2021-07-10 12:00:37,485 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 782 DAG size of output: 728 [2021-07-10 12:00:37,755 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 838 [2021-07-10 12:00:38,459 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 1048 [2021-07-10 12:00:38,959 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 1233 DAG size of output: 1170 [2021-07-10 12:00:40,387 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 2100 DAG size of output: 2100 [2021-07-10 12:00:41,392 WARN L205 SmtUtils]: Spent 990.00 ms on a formula simplification. DAG size of input: 1901 DAG size of output: 1901 [2021-07-10 12:00:41,898 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1279 [2021-07-10 12:00:42,196 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 948 DAG size of output: 948 [2021-07-10 12:00:42,906 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 689 DAG size of output: 651 [2021-07-10 12:00:43,152 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 795 [2021-07-10 12:00:43,623 WARN L205 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 1340 DAG size of output: 1283 [2021-07-10 12:00:44,340 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 1668 DAG size of output: 1608 [2021-07-10 12:00:45,435 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 2270 DAG size of output: 2208 [2021-07-10 12:00:46,851 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 2465 DAG size of output: 2403 [2021-07-10 12:00:49,109 WARN L205 SmtUtils]: Spent 2.24 s on a formula simplification. DAG size of input: 3345 DAG size of output: 3244 [2021-07-10 12:00:52,619 WARN L205 SmtUtils]: Spent 3.49 s on a formula simplification. DAG size of input: 4005 DAG size of output: 3883 [2021-07-10 12:01:01,004 WARN L205 SmtUtils]: Spent 8.33 s on a formula simplification. DAG size of input: 7701 DAG size of output: 7701 [2021-07-10 12:01:07,029 WARN L205 SmtUtils]: Spent 5.97 s on a formula simplification. DAG size of input: 5947 DAG size of output: 5947 [2021-07-10 12:01:07,482 WARN L205 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 880 DAG size of output: 880 [2021-07-10 12:01:07,845 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 559 DAG size of output: 628 [2021-07-10 12:01:07,965 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 418 [2021-07-10 12:01:08,408 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 464 [2021-07-10 12:01:08,528 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 578 [2021-07-10 12:01:08,742 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 656 [2021-07-10 12:01:09,470 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 529 [2021-07-10 12:01:09,690 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 672 [2021-07-10 12:01:10,198 WARN L205 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 1222 DAG size of output: 1181 [2021-07-10 12:01:11,104 WARN L205 SmtUtils]: Spent 891.00 ms on a formula simplification. DAG size of input: 1613 DAG size of output: 1562 [2021-07-10 12:01:11,223 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 490 [2021-07-10 12:01:11,479 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 448 [2021-07-10 12:01:11,666 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 372 [2021-07-10 12:01:12,671 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 979 DAG size of output: 929 [2021-07-10 12:01:13,021 WARN L205 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 1170 DAG size of output: 1116 [2021-07-10 12:01:13,555 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 1395 DAG size of output: 1334 [2021-07-10 12:01:14,115 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 547 [2021-07-10 12:01:15,067 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 1778 DAG size of output: 1705 [2021-07-10 12:01:16,871 WARN L205 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 2963 DAG size of output: 2870 [2021-07-10 12:01:22,298 WARN L205 SmtUtils]: Spent 5.40 s on a formula simplification. DAG size of input: 7293 DAG size of output: 7122 [2021-07-10 12:01:30,512 WARN L205 SmtUtils]: Spent 8.16 s on a formula simplification. DAG size of input: 9022 DAG size of output: 8834 [2021-07-10 12:01:43,861 WARN L205 SmtUtils]: Spent 13.29 s on a formula simplification. DAG size of input: 12114 DAG size of output: 11842 [2021-07-10 12:01:47,888 WARN L205 SmtUtils]: Spent 3.95 s on a formula simplification. DAG size of input: 3760 DAG size of output: 3760 [2021-07-10 12:01:50,851 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 3264 DAG size of output: 3264 [2021-07-10 12:01:51,381 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 1147 DAG size of output: 1147 [2021-07-10 12:01:51,767 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 1032 DAG size of output: 1032 [2021-07-10 12:01:51,980 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 702 [2021-07-10 12:01:52,618 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 508 DAG size of output: 468 [2021-07-10 12:01:52,841 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 561 [2021-07-10 12:01:53,066 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 664 [2021-07-10 12:01:53,426 WARN L205 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 1079 DAG size of output: 1022 [2021-07-10 12:01:54,571 WARN L205 SmtUtils]: Spent 547.00 ms on a formula simplification. DAG size of input: 1415 DAG size of output: 1352 [2021-07-10 12:01:55,306 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 1523 DAG size of output: 1458 [2021-07-10 12:01:57,269 WARN L205 SmtUtils]: Spent 1.95 s on a formula simplification. DAG size of input: 2488 DAG size of output: 2488 [2021-07-10 12:01:58,546 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 2061 DAG size of output: 2061 [2021-07-10 12:01:59,195 WARN L205 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 1201 DAG size of output: 1201 [2021-07-10 12:01:59,658 WARN L205 SmtUtils]: Spent 454.00 ms on a formula simplification. DAG size of input: 990 DAG size of output: 990 [2021-07-10 12:01:59,951 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 796 DAG size of output: 796 [2021-07-10 12:02:00,163 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 683 [2021-07-10 12:02:00,306 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 623 DAG size of output: 623 [2021-07-10 12:02:00,697 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 791 DAG size of output: 739 [2021-07-10 12:02:00,889 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 853 DAG size of output: 801 [2021-07-10 12:02:01,166 WARN L205 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 961 DAG size of output: 909 [2021-07-10 12:02:01,592 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 1103 [2021-07-10 12:02:02,164 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 1366 DAG size of output: 1311 [2021-07-10 12:02:03,204 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 2217 DAG size of output: 2159 [2021-07-10 12:02:04,847 WARN L205 SmtUtils]: Spent 1.63 s on a formula simplification. DAG size of input: 2645 DAG size of output: 2587 [2021-07-10 12:02:07,604 WARN L205 SmtUtils]: Spent 2.74 s on a formula simplification. DAG size of input: 3728 DAG size of output: 3631 [2021-07-10 12:02:08,062 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 926 DAG size of output: 926 [2021-07-10 12:02:08,761 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 722 [2021-07-10 12:02:08,960 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 622 DAG size of output: 622 [2021-07-10 12:02:09,103 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 517 DAG size of output: 517 [2021-07-10 12:02:09,644 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 544 [2021-07-10 12:02:09,804 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 652 [2021-07-10 12:02:10,029 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 783 DAG size of output: 755 [2021-07-10 12:02:10,392 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 1005 DAG size of output: 975 [2021-07-10 12:02:13,973 WARN L205 SmtUtils]: Spent 3.57 s on a formula simplification. DAG size of input: 4239 DAG size of output: 4134 [2021-07-10 12:02:35,129 WARN L205 SmtUtils]: Spent 21.11 s on a formula simplification. DAG size of input: 14776 DAG size of output: 14451 [2021-07-10 12:03:21,938 WARN L205 SmtUtils]: Spent 46.73 s on a formula simplification. DAG size of input: 15648 DAG size of output: 15324 [2021-07-10 12:04:33,155 WARN L205 SmtUtils]: Spent 1.19 m on a formula simplification. DAG size of input: 16092 DAG size of output: 15767 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown