/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-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 23:49:20,464 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 23:49:20,466 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 23:49:20,524 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 23:49:20,556 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-Random7777.epf [2021-07-14 23:49:20,585 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 23:49:20,585 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 23:49:20,585 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 23:49:20,586 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 23:49:20,588 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 23:49:20,588 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 23:49:20,588 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 23:49:20,588 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 23:49:20,588 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 23:49:20,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 23:49:20,589 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 23:49:20,589 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 23:49:20,589 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 23:49:20,589 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 23:49:20,590 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 23:49:20,590 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 23:49:20,590 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 23:49:20,590 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 23:49:20,590 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 23:49:20,590 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 23:49:20,590 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 23:49:20,591 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 23:49:20,591 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 23:49:20,591 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 23:49:20,591 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 23:49:20,591 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 23:49:20,591 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 23:49:20,591 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 23:49:20,591 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 23:49:20,592 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 23:49:20,592 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 23:49:20,592 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 23:49:20,592 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 23:49:20,592 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 23:49:20,592 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 23:49:20,592 INFO L138 SettingsManager]: * Random seed used by POR DFS order=7777 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 23:49:20,873 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 23:49:20,899 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 23:49:20,900 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 23:49:20,901 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 23:49:20,902 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 23:49:20,903 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl [2021-07-14 23:49:20,903 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-2.wvr.bpl' [2021-07-14 23:49:20,925 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 23:49:20,927 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 23:49:20,928 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 23:49:20,928 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 23:49:20,928 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 23:49:20,939 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,952 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 23:49:20,953 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 23:49:20,954 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 23:49:20,954 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 23:49:20,959 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,959 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,960 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,960 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,962 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,964 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,964 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/1) ... [2021-07-14 23:49:20,965 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 23:49:20,966 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 23:49:20,966 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 23:49:20,966 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 23:49:20,967 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (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 [2021-07-14 23:49:21,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 23:49:21,042 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 23:49:21,042 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 23:49:21,042 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 23:49:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 23:49:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 23:49:21,043 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 23:49:21,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 23:49:21,043 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 23:49:21,044 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 23:49:21,229 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 23:49:21,230 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 23:49:21,230 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 23:49:21,230 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 23:49:21,232 INFO L202 PluginConnector]: Adding new model unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:49:21 BoogieIcfgContainer [2021-07-14 23:49:21,232 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 23:49:21,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 23:49:21,233 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 23:49:21,236 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 23:49:21,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 11:49:20" (1/2) ... [2021-07-14 23:49:21,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5345f732 and model type unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 11:49:21, skipping insertion in model container [2021-07-14 23:49:21,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-2.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 11:49:21" (2/2) ... [2021-07-14 23:49:21,238 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-2.wvr.bpl [2021-07-14 23:49:21,242 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 23:49:21,243 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 23:49:21,243 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 23:49:21,243 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 23:49:21,267 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 23:49:21,298 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 23:49:21,367 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 23:49:21,367 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 23:49:21,367 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 23:49:21,367 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 23:49:21,368 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 23:49:21,368 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 23:49:21,368 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 23:49:21,368 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 23:49:21,412 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:21,420 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:21,421 INFO L82 PathProgramCache]: Analyzing trace with hash -808876208, now seen corresponding path program 1 times [2021-07-14 23:49:21,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:21,428 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964614478] [2021-07-14 23:49:21,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:21,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:21,538 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:21,539 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:21,539 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964614478] [2021-07-14 23:49:21,539 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964614478] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:49:21,539 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:49:21,540 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 23:49:21,540 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1128276699] [2021-07-14 23:49:21,543 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 23:49:21,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:21,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 23:49:21,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 23:49:21,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:21,554 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:21,555 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:21,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:21,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:21,569 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 23:49:21,569 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:21,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:21,570 INFO L82 PathProgramCache]: Analyzing trace with hash 1544570160, now seen corresponding path program 1 times [2021-07-14 23:49:21,570 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:21,570 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [216925359] [2021-07-14 23:49:21,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:21,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:21,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:21,606 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:21,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [216925359] [2021-07-14 23:49:21,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [216925359] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 23:49:21,606 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 23:49:21,606 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 23:49:21,607 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242138593] [2021-07-14 23:49:21,608 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 23:49:21,608 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:21,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 23:49:21,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 23:49:21,609 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:21,609 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:21,609 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.5) internal successors, (10), 3 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:21,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:21,610 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:21,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:21,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:21,632 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 23:49:21,633 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:21,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:21,633 INFO L82 PathProgramCache]: Analyzing trace with hash -198768125, now seen corresponding path program 1 times [2021-07-14 23:49:21,633 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:21,634 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320647259] [2021-07-14 23:49:21,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:21,680 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 23:49:21,681 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:21,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320647259] [2021-07-14 23:49:21,681 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [320647259] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:21,681 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [195762140] [2021-07-14 23:49:21,681 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:21,717 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 23:49:21,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:21,800 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 23:49:21,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [195762140] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:21,801 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:21,801 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 23:49:21,801 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092254897] [2021-07-14 23:49:21,802 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 23:49:21,802 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:21,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 23:49:21,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 23:49:21,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:21,804 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:21,804 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:21,804 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:21,805 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:21,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:21,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,034 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:22,034 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:22,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:22,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1984573469, now seen corresponding path program 2 times [2021-07-14 23:49:22,035 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:22,036 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2092215751] [2021-07-14 23:49:22,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:22,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:22,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:22,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2092215751] [2021-07-14 23:49:22,136 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2092215751] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,136 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [237391003] [2021-07-14 23:49:22,136 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:22,208 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 23:49:22,208 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:22,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-14 23:49:22,210 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:22,341 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:22,342 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-14 23:49:22,346 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:49:22,347 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:22,348 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 23:49:22,348 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-14 23:49:22,358 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:22,358 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [237391003] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,358 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:22,358 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 7 [2021-07-14 23:49:22,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974836495] [2021-07-14 23:49:22,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 23:49:22,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:22,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 23:49:22,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-07-14 23:49:22,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,360 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:22,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.375) internal successors, (19), 7 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:22,613 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:22,613 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:22,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:22,614 INFO L82 PathProgramCache]: Analyzing trace with hash -1509964285, now seen corresponding path program 3 times [2021-07-14 23:49:22,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:22,615 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1969554712] [2021-07-14 23:49:22,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:22,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:22,659 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 1 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:22,659 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:22,659 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1969554712] [2021-07-14 23:49:22,660 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1969554712] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,660 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1714316572] [2021-07-14 23:49:22,660 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:22,695 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 23:49:22,695 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:22,696 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 23:49:22,698 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:22,772 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:22,772 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1714316572] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:22,772 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:22,773 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-07-14 23:49:22,773 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [213172284] [2021-07-14 23:49:22,773 INFO L462 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-07-14 23:49:22,773 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:22,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-07-14 23:49:22,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-07-14 23:49:22,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,774 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:22,775 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 2.0) internal successors, (16), 7 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:22,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:22,775 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:22,843 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:22,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:23,062 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:23,062 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:23,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:23,063 INFO L82 PathProgramCache]: Analyzing trace with hash 458819122, now seen corresponding path program 4 times [2021-07-14 23:49:23,063 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:23,063 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1041796699] [2021-07-14 23:49:23,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:23,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:23,136 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 23:49:23,136 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:23,137 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1041796699] [2021-07-14 23:49:23,137 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1041796699] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1687711735] [2021-07-14 23:49:23,140 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:23,196 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 23:49:23,196 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:23,197 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 23:49:23,198 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:23,276 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 23:49:23,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1687711735] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,277 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:23,277 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-14 23:49:23,277 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [803555802] [2021-07-14 23:49:23,278 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 23:49:23,278 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:23,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 23:49:23,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-14 23:49:23,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,279 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:23,279 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:23,279 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:23,280 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:23,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:23,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-07-14 23:49:23,562 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:23,563 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:23,563 INFO L82 PathProgramCache]: Analyzing trace with hash -1407668142, now seen corresponding path program 5 times [2021-07-14 23:49:23,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:23,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1105992170] [2021-07-14 23:49:23,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:23,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:23,655 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:23,655 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:23,655 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1105992170] [2021-07-14 23:49:23,655 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1105992170] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,656 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1112282119] [2021-07-14 23:49:23,656 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:23,692 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-14 23:49:23,693 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:23,694 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-14 23:49:23,695 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:23,827 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 10 proven. 13 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 23:49:23,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1112282119] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:23,827 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:23,827 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9] total 14 [2021-07-14 23:49:23,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534382009] [2021-07-14 23:49:23,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-14 23:49:23,829 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:23,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-14 23:49:23,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2021-07-14 23:49:23,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,831 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:23,831 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.8) internal successors, (27), 14 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:23,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,835 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:23,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:23,836 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:23,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:23,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:23,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:24,192 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:24,193 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:24,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:24,193 INFO L82 PathProgramCache]: Analyzing trace with hash -664967741, now seen corresponding path program 6 times [2021-07-14 23:49:24,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:24,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080024024] [2021-07-14 23:49:24,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:24,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:24,276 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:24,276 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:24,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080024024] [2021-07-14 23:49:24,277 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080024024] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:24,277 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1973593175] [2021-07-14 23:49:24,277 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:24,319 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-14 23:49:24,319 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:24,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 25 conjunts are in the unsatisfiable core [2021-07-14 23:49:24,322 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:24,570 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:24,570 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-14 23:49:24,976 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:49:24,978 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:24,979 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 23:49:24,979 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-14 23:49:24,987 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:24,987 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1973593175] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:24,987 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:24,987 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 11] total 17 [2021-07-14 23:49:24,988 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139564227] [2021-07-14 23:49:24,988 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 23:49:24,988 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:24,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 23:49:24,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=264, Unknown=0, NotChecked=0, Total=306 [2021-07-14 23:49:24,989 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:24,989 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:24,989 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.7222222222222223) internal successors, (31), 17 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:24,989 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:24,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:24,990 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:25,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:25,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:25,282 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:25,282 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:25,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:25,283 INFO L82 PathProgramCache]: Analyzing trace with hash -1281473565, now seen corresponding path program 7 times [2021-07-14 23:49:25,283 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:25,283 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036152936] [2021-07-14 23:49:25,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:25,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:25,401 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 15 proven. 19 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:25,402 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:25,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036152936] [2021-07-14 23:49:25,402 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036152936] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:25,402 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208292253] [2021-07-14 23:49:25,402 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:25,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:25,438 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 23:49:25,440 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:25,510 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 21 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:25,511 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208292253] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:25,511 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:25,511 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 13 [2021-07-14 23:49:25,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862824893] [2021-07-14 23:49:25,514 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 23:49:25,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:25,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 23:49:25,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2021-07-14 23:49:25,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:25,514 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:25,515 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:25,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:25,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:25,515 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:25,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:25,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:25,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:25,516 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:25,682 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:25,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:25,906 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2021-07-14 23:49:25,909 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:25,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:25,909 INFO L82 PathProgramCache]: Analyzing trace with hash -1047903150, now seen corresponding path program 8 times [2021-07-14 23:49:25,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:25,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098409686] [2021-07-14 23:49:25,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:25,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:25,982 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2021-07-14 23:49:25,982 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:25,982 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098409686] [2021-07-14 23:49:25,983 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098409686] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:25,983 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [390596658] [2021-07-14 23:49:25,983 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:26,023 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 23:49:26,023 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:26,024 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 23:49:26,025 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:26,108 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2021-07-14 23:49:26,108 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [390596658] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:26,108 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:26,108 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 13 [2021-07-14 23:49:26,109 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805928166] [2021-07-14 23:49:26,109 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-14 23:49:26,110 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:26,110 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-14 23:49:26,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2021-07-14 23:49:26,110 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:26,110 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:26,111 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.7142857142857142) internal successors, (24), 13 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:26,111 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:26,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:26,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:26,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:26,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:26,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:26,432 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2021-07-14 23:49:26,433 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:26,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:26,433 INFO L82 PathProgramCache]: Analyzing trace with hash -804513166, now seen corresponding path program 9 times [2021-07-14 23:49:26,433 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:26,433 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452131586] [2021-07-14 23:49:26,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:26,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:26,514 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:26,514 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:26,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452131586] [2021-07-14 23:49:26,514 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452131586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:26,514 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [11961442] [2021-07-14 23:49:26,514 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:26,561 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 23:49:26,561 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:26,562 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 23:49:26,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:27,002 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 129 [2021-07-14 23:49:27,003 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:27,003 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-14 23:49:28,406 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:49:28,408 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:28,408 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 23:49:28,408 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-14 23:49:28,414 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:28,415 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [11961442] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:28,415 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:28,415 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 14] total 22 [2021-07-14 23:49:28,415 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [414636890] [2021-07-14 23:49:28,415 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-14 23:49:28,416 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:28,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-14 23:49:28,416 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-07-14 23:49:28,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:28,416 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:28,417 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.608695652173913) internal successors, (37), 22 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:28,417 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:28,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:28,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:28,712 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-14 23:49:28,713 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:28,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:28,713 INFO L82 PathProgramCache]: Analyzing trace with hash 120182386, now seen corresponding path program 10 times [2021-07-14 23:49:28,713 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:28,713 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687388472] [2021-07-14 23:49:28,713 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:28,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 36 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:28,869 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:28,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687388472] [2021-07-14 23:49:28,869 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687388472] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:28,869 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [344278087] [2021-07-14 23:49:28,869 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:28,904 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 23:49:28,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:28,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-14 23:49:28,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:28,982 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 45 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:28,982 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [344278087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:28,982 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:28,982 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 17 [2021-07-14 23:49:28,982 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378863953] [2021-07-14 23:49:28,983 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-07-14 23:49:28,983 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:28,983 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-07-14 23:49:28,983 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=217, Unknown=0, NotChecked=0, Total=306 [2021-07-14 23:49:28,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:28,984 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:28,984 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.4444444444444444) internal successors, (26), 17 states have internal predecessors, (26), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:28,984 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:29,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:29,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:49:29,436 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-07-14 23:49:29,437 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:29,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:29,437 INFO L82 PathProgramCache]: Analyzing trace with hash -546241629, now seen corresponding path program 11 times [2021-07-14 23:49:29,437 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:29,437 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [131205789] [2021-07-14 23:49:29,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:29,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:29,537 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:29,538 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:29,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [131205789] [2021-07-14 23:49:29,538 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [131205789] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:29,538 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868967732] [2021-07-14 23:49:29,538 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:29,580 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 23:49:29,581 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:29,581 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-14 23:49:29,582 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:30,145 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-14 23:49:30,145 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:30,146 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-14 23:49:31,176 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 227 [2021-07-14 23:49:31,288 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 23:49:31,392 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 236 [2021-07-14 23:49:31,548 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 324 DAG size of output: 252 [2021-07-14 23:49:31,808 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 258 [2021-07-14 23:49:31,963 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 206 [2021-07-14 23:49:32,090 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 217 [2021-07-14 23:49:32,208 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 194 [2021-07-14 23:49:33,629 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 287 [2021-07-14 23:49:34,537 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 480 DAG size of output: 370 [2021-07-14 23:49:34,957 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 542 DAG size of output: 395 [2021-07-14 23:49:35,447 WARN L205 SmtUtils]: Spent 487.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 442 [2021-07-14 23:49:35,588 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 234 [2021-07-14 23:49:37,592 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 202 [2021-07-14 23:49:37,760 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 270 [2021-07-14 23:49:38,040 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 533 DAG size of output: 379 [2021-07-14 23:49:38,395 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 419 [2021-07-14 23:49:38,854 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 667 DAG size of output: 486 [2021-07-14 23:49:39,918 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1125 DAG size of output: 757 [2021-07-14 23:49:41,123 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 23:49:42,332 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1132 DAG size of output: 747 [2021-07-14 23:49:43,696 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1143 DAG size of output: 758 [2021-07-14 23:49:45,241 WARN L205 SmtUtils]: Spent 1.48 s on a formula simplification. DAG size of input: 756 DAG size of output: 858 [2021-07-14 23:49:45,725 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 433 DAG size of output: 459 [2021-07-14 23:49:45,902 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 212 [2021-07-14 23:49:46,468 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 183 [2021-07-14 23:49:46,599 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 205 [2021-07-14 23:49:47,191 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 239 [2021-07-14 23:49:47,348 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 271 [2021-07-14 23:49:47,592 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 358 [2021-07-14 23:49:48,357 WARN L205 SmtUtils]: Spent 675.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 686 [2021-07-14 23:49:48,903 WARN L205 SmtUtils]: Spent 541.00 ms on a formula simplification. DAG size of input: 454 DAG size of output: 491 [2021-07-14 23:49:49,367 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 302 [2021-07-14 23:49:49,711 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 312 DAG size of output: 231 [2021-07-14 23:49:49,892 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 459 DAG size of output: 334 [2021-07-14 23:49:50,219 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 378 [2021-07-14 23:49:50,820 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 300 [2021-07-14 23:49:51,114 WARN L205 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 704 DAG size of output: 431 [2021-07-14 23:49:51,474 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 711 DAG size of output: 437 [2021-07-14 23:49:52,135 WARN L205 SmtUtils]: Spent 657.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 23:49:52,758 WARN L205 SmtUtils]: Spent 617.00 ms on a formula simplification. DAG size of input: 1016 DAG size of output: 596 [2021-07-14 23:49:53,465 WARN L205 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 1022 DAG size of output: 554 [2021-07-14 23:49:53,769 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 355 DAG size of output: 433 [2021-07-14 23:49:54,221 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 209 [2021-07-14 23:49:54,543 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 386 DAG size of output: 239 [2021-07-14 23:49:54,940 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 335 DAG size of output: 447 [2021-07-14 23:49:55,153 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 279 [2021-07-14 23:49:55,413 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 303 [2021-07-14 23:49:55,678 WARN L205 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 368 [2021-07-14 23:49:56,076 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 23:49:56,488 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 436 [2021-07-14 23:49:56,914 WARN L205 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 700 DAG size of output: 439 [2021-07-14 23:49:57,171 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 335 [2021-07-14 23:49:57,854 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:49:57,856 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:57,856 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 23:49:57,856 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-14 23:49:57,866 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:57,866 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868967732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:57,866 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:57,866 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 17] total 27 [2021-07-14 23:49:57,866 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403926549] [2021-07-14 23:49:57,867 INFO L462 AbstractCegarLoop]: Interpolant automaton has 28 states [2021-07-14 23:49:57,867 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:57,867 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2021-07-14 23:49:57,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=688, Unknown=0, NotChecked=0, Total=756 [2021-07-14 23:49:57,868 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:57,868 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:57,868 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 28 states, 28 states have (on average 1.5357142857142858) internal successors, (43), 27 states have internal predecessors, (43), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:57,868 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:57,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:57,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:57,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:57,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:49:57,869 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:57,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:49:57,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:58,189 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable201 [2021-07-14 23:49:58,189 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:58,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:58,189 INFO L82 PathProgramCache]: Analyzing trace with hash -861288541, now seen corresponding path program 12 times [2021-07-14 23:49:58,189 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:58,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1004607589] [2021-07-14 23:49:58,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:58,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:58,363 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 55 proven. 38 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:58,363 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:58,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1004607589] [2021-07-14 23:49:58,364 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1004607589] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:58,364 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1962391477] [2021-07-14 23:49:58,364 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:58,395 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 7 check-sat command(s) [2021-07-14 23:49:58,395 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:49:58,396 INFO L263 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 19 conjunts are in the unsatisfiable core [2021-07-14 23:49:58,397 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:58,465 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 66 proven. 27 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:58,465 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1962391477] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:58,465 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:49:58,465 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 19] total 20 [2021-07-14 23:49:58,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21066338] [2021-07-14 23:49:58,466 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-14 23:49:58,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:49:58,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-14 23:49:58,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=121, Invalid=299, Unknown=0, NotChecked=0, Total=420 [2021-07-14 23:49:58,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:58,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:49:58,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.380952380952381) internal successors, (29), 20 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:58,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:58,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:58,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:58,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:49:58,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:58,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:58,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:49:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:49:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:49:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:49:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:49:58,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 23:49:58,939 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1342 [2021-07-14 23:49:58,940 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:49:58,940 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:49:58,940 INFO L82 PathProgramCache]: Analyzing trace with hash -907069294, now seen corresponding path program 13 times [2021-07-14 23:49:58,940 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:49:58,940 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [171366966] [2021-07-14 23:49:58,940 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:49:58,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:59,066 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:49:59,066 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:49:59,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [171366966] [2021-07-14 23:49:59,066 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [171366966] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:49:59,066 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [284555324] [2021-07-14 23:49:59,066 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:49:59,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:49:59,103 INFO L263 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 43 conjunts are in the unsatisfiable core [2021-07-14 23:49:59,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:49:59,890 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 23:49:59,890 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:49:59,891 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 23:50:00,899 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 276 [2021-07-14 23:50:01,041 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 280 [2021-07-14 23:50:01,934 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 269 [2021-07-14 23:50:02,079 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 273 [2021-07-14 23:50:02,456 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 411 [2021-07-14 23:50:02,826 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 438 [2021-07-14 23:50:03,684 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 250 [2021-07-14 23:50:03,841 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 252 [2021-07-14 23:50:04,706 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-14 23:50:04,815 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 242 [2021-07-14 23:50:05,107 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 374 [2021-07-14 23:50:05,452 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 447 DAG size of output: 402 [2021-07-14 23:50:06,375 WARN L205 SmtUtils]: Spent 920.00 ms on a formula simplification. DAG size of input: 770 DAG size of output: 685 [2021-07-14 23:50:07,426 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 812 DAG size of output: 726 [2021-07-14 23:50:08,515 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 833 DAG size of output: 734 [2021-07-14 23:50:09,758 WARN L205 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 23:50:10,991 WARN L205 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 841 DAG size of output: 738 [2021-07-14 23:50:12,467 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 861 DAG size of output: 758 [2021-07-14 23:50:14,524 WARN L205 SmtUtils]: Spent 2.05 s on a formula simplification. DAG size of input: 760 DAG size of output: 812 [2021-07-14 23:50:15,473 WARN L205 SmtUtils]: Spent 942.00 ms on a formula simplification. DAG size of input: 464 DAG size of output: 563 [2021-07-14 23:50:16,093 WARN L205 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 646 [2021-07-14 23:50:16,909 WARN L205 SmtUtils]: Spent 811.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 545 [2021-07-14 23:50:17,551 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 536 [2021-07-14 23:50:17,884 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 313 [2021-07-14 23:50:17,992 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 254 [2021-07-14 23:50:18,789 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 23:50:19,172 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 210 [2021-07-14 23:50:19,566 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 214 [2021-07-14 23:50:19,751 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 314 [2021-07-14 23:50:20,146 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 500 [2021-07-14 23:50:20,695 WARN L205 SmtUtils]: Spent 545.00 ms on a formula simplification. DAG size of input: 754 DAG size of output: 569 [2021-07-14 23:50:20,905 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 195 DAG size of output: 252 [2021-07-14 23:50:21,670 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 212 [2021-07-14 23:50:21,941 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 273 [2021-07-14 23:50:22,218 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 288 [2021-07-14 23:50:23,001 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 195 [2021-07-14 23:50:23,319 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 259 [2021-07-14 23:50:23,856 WARN L205 SmtUtils]: Spent 534.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 416 [2021-07-14 23:50:24,477 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 186 [2021-07-14 23:50:24,702 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 247 [2021-07-14 23:50:24,892 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 262 [2021-07-14 23:50:25,047 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 250 [2021-07-14 23:50:25,714 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 191 [2021-07-14 23:50:25,881 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 252 [2021-07-14 23:50:26,086 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 253 [2021-07-14 23:50:26,335 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 408 DAG size of output: 268 [2021-07-14 23:50:26,858 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 397 [2021-07-14 23:50:27,878 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 975 DAG size of output: 585 [2021-07-14 23:50:29,685 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1575 DAG size of output: 971 [2021-07-14 23:50:30,684 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 336 [2021-07-14 23:50:31,060 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 355 [2021-07-14 23:50:31,321 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 339 [2021-07-14 23:50:32,484 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 308 [2021-07-14 23:50:32,636 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 322 [2021-07-14 23:50:33,221 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 597 DAG size of output: 379 [2021-07-14 23:50:33,512 WARN L205 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 401 [2021-07-14 23:50:33,862 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 639 DAG size of output: 412 [2021-07-14 23:50:34,801 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 371 DAG size of output: 290 [2021-07-14 23:50:34,971 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 410 DAG size of output: 324 [2021-07-14 23:50:35,192 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 334 [2021-07-14 23:50:35,821 WARN L205 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 866 DAG size of output: 570 [2021-07-14 23:50:37,204 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 282 [2021-07-14 23:50:37,466 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 522 DAG size of output: 386 [2021-07-14 23:50:37,895 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 444 [2021-07-14 23:50:39,031 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1125 DAG size of output: 748 [2021-07-14 23:50:40,522 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1273 DAG size of output: 863 [2021-07-14 23:50:40,796 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-14 23:50:41,765 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 281 [2021-07-14 23:50:41,944 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 313 [2021-07-14 23:50:42,646 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 281 [2021-07-14 23:50:42,972 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 609 DAG size of output: 428 [2021-07-14 23:50:44,105 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 324 [2021-07-14 23:50:44,367 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 374 [2021-07-14 23:50:44,957 WARN L205 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 756 DAG size of output: 529 [2021-07-14 23:50:47,174 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1662 DAG size of output: 1121 [2021-07-14 23:50:47,471 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 336 [2021-07-14 23:50:47,695 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 278 [2021-07-14 23:50:48,463 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 208 [2021-07-14 23:50:48,620 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 220 [2021-07-14 23:50:49,379 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 191 [2021-07-14 23:50:49,513 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 215 [2021-07-14 23:50:49,687 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 236 [2021-07-14 23:50:50,125 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 431 DAG size of output: 345 [2021-07-14 23:50:50,275 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 242 [2021-07-14 23:50:50,947 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 198 [2021-07-14 23:50:51,613 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 207 [2021-07-14 23:50:51,899 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 303 [2021-07-14 23:50:52,232 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 323 [2021-07-14 23:50:52,829 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 666 DAG size of output: 465 [2021-07-14 23:50:52,963 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 307 [2021-07-14 23:50:53,929 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 209 DAG size of output: 206 [2021-07-14 23:50:54,648 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 285 [2021-07-14 23:50:55,655 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 283 DAG size of output: 255 [2021-07-14 23:50:55,849 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 279 [2021-07-14 23:50:56,319 WARN L205 SmtUtils]: Spent 468.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 424 [2021-07-14 23:50:57,006 WARN L205 SmtUtils]: Spent 683.00 ms on a formula simplification. DAG size of input: 642 DAG size of output: 511 [2021-07-14 23:50:58,452 WARN L205 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 1161 DAG size of output: 818 [2021-07-14 23:51:02,345 WARN L205 SmtUtils]: Spent 3.89 s on a formula simplification. DAG size of input: 2529 DAG size of output: 1673 [2021-07-14 23:51:07,021 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 2885 DAG size of output: 1923 [2021-07-14 23:51:14,148 WARN L205 SmtUtils]: Spent 7.11 s on a formula simplification. DAG size of input: 4260 DAG size of output: 2683 [2021-07-14 23:51:22,480 WARN L205 SmtUtils]: Spent 8.31 s on a formula simplification. DAG size of input: 4417 DAG size of output: 2844 [2021-07-14 23:51:31,909 WARN L205 SmtUtils]: Spent 9.41 s on a formula simplification. DAG size of input: 4663 DAG size of output: 2936 [2021-07-14 23:51:32,548 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 626 [2021-07-14 23:51:33,379 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 525 [2021-07-14 23:51:34,062 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 490 [2021-07-14 23:51:35,725 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 464 [2021-07-14 23:51:35,926 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 479 DAG size of output: 470 [2021-07-14 23:51:36,288 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 813 DAG size of output: 655 [2021-07-14 23:51:36,537 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 221 [2021-07-14 23:51:37,669 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 181 [2021-07-14 23:51:38,252 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 179 [2021-07-14 23:51:38,492 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 241 [2021-07-14 23:51:38,793 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 244 [2021-07-14 23:51:39,222 WARN L205 SmtUtils]: Spent 426.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 287 [2021-07-14 23:51:40,181 WARN L205 SmtUtils]: Spent 955.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 681 [2021-07-14 23:51:41,205 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 428 DAG size of output: 584 [2021-07-14 23:51:42,132 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 499 [2021-07-14 23:51:42,315 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 324 [2021-07-14 23:51:42,488 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 292 DAG size of output: 322 [2021-07-14 23:51:43,372 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 201 [2021-07-14 23:51:44,182 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 286 [2021-07-14 23:51:45,109 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 214 [2021-07-14 23:51:45,269 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 256 [2021-07-14 23:51:46,051 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 347 [2021-07-14 23:51:46,691 WARN L205 SmtUtils]: Spent 637.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 524 [2021-07-14 23:51:48,124 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 266 [2021-07-14 23:51:50,036 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 188 [2021-07-14 23:51:50,164 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 191 [2021-07-14 23:51:50,358 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 377 DAG size of output: 262 [2021-07-14 23:51:50,713 WARN L205 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 355 [2021-07-14 23:51:51,166 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 397 [2021-07-14 23:51:51,916 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 559 [2021-07-14 23:51:53,409 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 977 DAG size of output: 792 [2021-07-14 23:51:54,941 WARN L205 SmtUtils]: Spent 1.53 s on a formula simplification. DAG size of input: 1064 DAG size of output: 842 [2021-07-14 23:51:56,813 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1243 DAG size of output: 920 [2021-07-14 23:51:59,112 WARN L205 SmtUtils]: Spent 2.29 s on a formula simplification. DAG size of input: 1442 DAG size of output: 1089 [2021-07-14 23:51:59,709 WARN L205 SmtUtils]: Spent 590.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 457 [2021-07-14 23:52:00,001 WARN L205 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 383 [2021-07-14 23:52:00,387 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 339 DAG size of output: 429 [2021-07-14 23:52:01,152 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 297 DAG size of output: 239 [2021-07-14 23:52:01,284 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 249 [2021-07-14 23:52:02,205 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 344 [2021-07-14 23:52:02,602 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 395 [2021-07-14 23:52:03,924 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 202 [2021-07-14 23:52:04,160 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 332 [2021-07-14 23:52:04,505 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 413 DAG size of output: 381 [2021-07-14 23:52:04,879 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 401 [2021-07-14 23:52:05,623 WARN L205 SmtUtils]: Spent 742.00 ms on a formula simplification. DAG size of input: 692 DAG size of output: 593 [2021-07-14 23:52:06,030 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 444 [2021-07-14 23:52:06,827 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 210 [2021-07-14 23:52:06,961 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 233 DAG size of output: 233 [2021-07-14 23:52:07,139 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 245 [2021-07-14 23:52:07,815 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 345 [2021-07-14 23:52:08,236 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 398 [2021-07-14 23:52:08,991 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 217 [2021-07-14 23:52:09,641 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 272 DAG size of output: 245 [2021-07-14 23:52:09,948 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 344 [2021-07-14 23:52:10,370 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 397 [2021-07-14 23:52:11,163 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 601 [2021-07-14 23:52:12,555 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1077 DAG size of output: 809 [2021-07-14 23:52:14,213 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 1165 DAG size of output: 847 [2021-07-14 23:52:18,677 WARN L205 SmtUtils]: Spent 4.46 s on a formula simplification. DAG size of input: 2290 DAG size of output: 1526 [2021-07-14 23:52:24,708 WARN L205 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 3340 DAG size of output: 2063 [2021-07-14 23:52:31,816 WARN L205 SmtUtils]: Spent 7.09 s on a formula simplification. DAG size of input: 3491 DAG size of output: 2236 [2021-07-14 23:52:40,056 WARN L205 SmtUtils]: Spent 8.22 s on a formula simplification. DAG size of input: 3713 DAG size of output: 2317 [2021-07-14 23:52:58,517 WARN L205 SmtUtils]: Spent 18.44 s on a formula simplification. DAG size of input: 7370 DAG size of output: 4532 [2021-07-14 23:53:20,922 WARN L205 SmtUtils]: Spent 22.36 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 23:53:43,072 WARN L205 SmtUtils]: Spent 22.12 s on a formula simplification. DAG size of input: 7654 DAG size of output: 4652 [2021-07-14 23:54:08,427 WARN L205 SmtUtils]: Spent 25.33 s on a formula simplification. DAG size of input: 7669 DAG size of output: 4667 [2021-07-14 23:54:09,207 WARN L205 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 4661 [2021-07-14 23:54:36,948 WARN L205 SmtUtils]: Spent 27.71 s on a formula simplification. DAG size of input: 4663 DAG size of output: 6220 [2021-07-14 23:54:46,935 WARN L205 SmtUtils]: Spent 9.94 s on a formula simplification. DAG size of input: 4573 DAG size of output: 4534 [2021-07-14 23:55:11,004 WARN L205 SmtUtils]: Spent 24.03 s on a formula simplification. DAG size of input: 4531 DAG size of output: 4865 [2021-07-14 23:55:26,966 WARN L205 SmtUtils]: Spent 15.93 s on a formula simplification. DAG size of input: 3153 DAG size of output: 3275 [2021-07-14 23:55:37,041 WARN L205 SmtUtils]: Spent 10.05 s on a formula simplification. DAG size of input: 3100 DAG size of output: 3091 [2021-07-14 23:55:55,403 WARN L205 SmtUtils]: Spent 18.33 s on a formula simplification. DAG size of input: 2740 DAG size of output: 4110 [2021-07-14 23:55:56,341 WARN L205 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 2692 DAG size of output: 2692 [2021-07-14 23:55:56,617 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 256 [2021-07-14 23:55:57,087 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 1341 [2021-07-14 23:55:57,383 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 1234 [2021-07-14 23:55:57,519 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 1079 [2021-07-14 23:55:57,663 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 668 DAG size of output: 668 [2021-07-14 23:55:57,788 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 635 DAG size of output: 635 [2021-07-14 23:55:59,222 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 685 [2021-07-14 23:55:59,788 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 596 DAG size of output: 558 [2021-07-14 23:56:00,862 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 189 [2021-07-14 23:56:01,065 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 318 [2021-07-14 23:56:01,414 WARN L205 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 429 [2021-07-14 23:56:01,869 WARN L205 SmtUtils]: Spent 452.00 ms on a formula simplification. DAG size of input: 846 DAG size of output: 502 [2021-07-14 23:56:02,256 WARN L205 SmtUtils]: Spent 383.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 450 [2021-07-14 23:56:02,714 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 1736 DAG size of output: 1736 [2021-07-14 23:56:02,921 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 1598 [2021-07-14 23:56:03,247 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 1498 [2021-07-14 23:56:03,516 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 1220 DAG size of output: 1220 [2021-07-14 23:56:03,971 WARN L205 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 1076 DAG size of output: 852 [2021-07-14 23:56:04,507 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 705 DAG size of output: 705 [2021-07-14 23:56:05,434 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 197 [2021-07-14 23:56:06,388 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 487 DAG size of output: 313 [2021-07-14 23:56:06,667 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 375 [2021-07-14 23:56:08,510 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 357 [2021-07-14 23:56:09,940 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 227 [2021-07-14 23:56:10,982 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 391 [2021-07-14 23:56:11,490 WARN L205 SmtUtils]: Spent 505.00 ms on a formula simplification. DAG size of input: 871 DAG size of output: 621 [2021-07-14 23:56:12,444 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 1446 DAG size of output: 922 [2021-07-14 23:56:13,598 WARN L205 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 1728 DAG size of output: 970 [2021-07-14 23:56:14,717 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 1758 DAG size of output: 839 [2021-07-14 23:56:14,971 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 283 [2021-07-14 23:56:16,639 WARN L205 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 1922 DAG size of output: 903 [2021-07-14 23:56:18,576 WARN L205 SmtUtils]: Spent 1.93 s on a formula simplification. DAG size of input: 2598 DAG size of output: 1165 [2021-07-14 23:56:24,434 WARN L205 SmtUtils]: Spent 5.84 s on a formula simplification. DAG size of input: 4518 DAG size of output: 2219 [2021-07-14 23:56:25,186 WARN L205 SmtUtils]: Spent 737.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 525 [2021-07-14 23:56:25,544 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 477 DAG size of output: 477 [2021-07-14 23:56:26,476 WARN L205 SmtUtils]: Spent 929.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 729 [2021-07-14 23:56:26,749 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 468 DAG size of output: 338 [2021-07-14 23:56:27,453 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 273 [2021-07-14 23:56:27,724 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 279 [2021-07-14 23:56:28,059 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 325 [2021-07-14 23:56:34,869 WARN L205 SmtUtils]: Spent 6.80 s on a formula simplification. DAG size of input: 4961 DAG size of output: 2195 [2021-07-14 23:56:43,262 WARN L205 SmtUtils]: Spent 8.37 s on a formula simplification. DAG size of input: 5328 DAG size of output: 2407 [2021-07-14 23:56:53,897 WARN L205 SmtUtils]: Spent 10.61 s on a formula simplification. DAG size of input: 6680 DAG size of output: 2674 [2021-07-14 23:57:05,751 WARN L205 SmtUtils]: Spent 11.83 s on a formula simplification. DAG size of input: 6693 DAG size of output: 2686 [2021-07-14 23:57:19,949 WARN L205 SmtUtils]: Spent 14.17 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 23:57:34,158 WARN L205 SmtUtils]: Spent 14.18 s on a formula simplification. DAG size of input: 8215 DAG size of output: 3079 [2021-07-14 23:57:50,825 WARN L205 SmtUtils]: Spent 16.62 s on a formula simplification. DAG size of input: 8225 DAG size of output: 3069 [2021-07-14 23:58:04,089 WARN L205 SmtUtils]: Spent 13.24 s on a formula simplification. DAG size of input: 3054 DAG size of output: 3247 [2021-07-14 23:58:10,106 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 2778 DAG size of output: 2144 [2021-07-14 23:58:14,921 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 1921 DAG size of output: 2107 [2021-07-14 23:58:19,193 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 1844 DAG size of output: 1869 [2021-07-14 23:58:19,397 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 1774 [2021-07-14 23:58:19,576 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 1623 [2021-07-14 23:58:19,773 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 271 [2021-07-14 23:58:20,852 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 302 [2021-07-14 23:58:21,019 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 1442 [2021-07-14 23:58:21,320 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 262 [2021-07-14 23:58:21,497 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 233 [2021-07-14 23:58:22,069 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 172 [2021-07-14 23:58:22,347 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 1292 DAG size of output: 1292 [2021-07-14 23:58:22,561 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 265 [2021-07-14 23:58:22,832 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 204 [2021-07-14 23:58:23,020 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 214 [2021-07-14 23:58:24,056 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1104 DAG size of output: 1104 [2021-07-14 23:58:24,777 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 602 DAG size of output: 490 [2021-07-14 23:58:25,779 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 509 [2021-07-14 23:58:26,377 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 338 [2021-07-14 23:58:26,660 WARN L205 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 441 [2021-07-14 23:58:27,054 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 535 [2021-07-14 23:58:27,168 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 624 [2021-07-14 23:58:27,747 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 353 [2021-07-14 23:58:28,428 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 204 [2021-07-14 23:58:28,571 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 216 [2021-07-14 23:58:29,212 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 564 DAG size of output: 291 [2021-07-14 23:58:29,962 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 1185 DAG size of output: 751 [2021-07-14 23:58:31,049 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1369 DAG size of output: 911 [2021-07-14 23:58:32,261 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1497 DAG size of output: 994 [2021-07-14 23:58:33,685 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 1806 DAG size of output: 1194 [2021-07-14 23:58:33,881 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 248 [2021-07-14 23:58:34,069 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-14 23:58:34,366 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 232 [2021-07-14 23:58:34,946 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 169 [2021-07-14 23:58:35,084 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 207 [2021-07-14 23:58:35,242 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 223 [2021-07-14 23:58:36,900 WARN L205 SmtUtils]: Spent 1.65 s on a formula simplification. DAG size of input: 2038 DAG size of output: 1341 [2021-07-14 23:58:39,032 WARN L205 SmtUtils]: Spent 2.12 s on a formula simplification. DAG size of input: 2187 DAG size of output: 1400 [2021-07-14 23:58:42,183 WARN L205 SmtUtils]: Spent 3.14 s on a formula simplification. DAG size of input: 2655 DAG size of output: 1823 [2021-07-14 23:58:46,117 WARN L205 SmtUtils]: Spent 3.92 s on a formula simplification. DAG size of input: 2932 DAG size of output: 2078 [2021-07-14 23:58:51,114 WARN L205 SmtUtils]: Spent 4.98 s on a formula simplification. DAG size of input: 3415 DAG size of output: 2208 [2021-07-14 23:58:56,912 WARN L205 SmtUtils]: Spent 5.78 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 23:59:02,566 WARN L205 SmtUtils]: Spent 5.64 s on a formula simplification. DAG size of input: 3441 DAG size of output: 2213 [2021-07-14 23:59:08,854 WARN L205 SmtUtils]: Spent 6.28 s on a formula simplification. DAG size of input: 3444 DAG size of output: 2217 [2021-07-14 23:59:09,095 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 2213 [2021-07-14 23:59:09,598 WARN L205 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 2213 DAG size of output: 2213 [2021-07-14 23:59:09,836 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 2208 [2021-07-14 23:59:14,509 WARN L205 SmtUtils]: Spent 4.66 s on a formula simplification. DAG size of input: 2078 DAG size of output: 1870 [2021-07-14 23:59:14,790 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 1107 [2021-07-14 23:59:16,705 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1010 DAG size of output: 875 [2021-07-14 23:59:17,230 WARN L205 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 416 [2021-07-14 23:59:17,404 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 188 [2021-07-14 23:59:17,862 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 197 [2021-07-14 23:59:18,920 WARN L205 SmtUtils]: Spent 710.00 ms on a formula simplification. DAG size of input: 599 DAG size of output: 529 [2021-07-14 23:59:19,088 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 289 [2021-07-14 23:59:19,673 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 258 [2021-07-14 23:59:20,177 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 198 [2021-07-14 23:59:20,370 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 286 [2021-07-14 23:59:20,628 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 593 DAG size of output: 383 [2021-07-14 23:59:20,803 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 947 DAG size of output: 945 [2021-07-14 23:59:22,171 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 789 DAG size of output: 735 [2021-07-14 23:59:22,737 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 547 [2021-07-14 23:59:23,232 WARN L205 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 537 DAG size of output: 464 [2021-07-14 23:59:23,920 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 393 DAG size of output: 242 [2021-07-14 23:59:24,081 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 252 [2021-07-14 23:59:24,385 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 239 [2021-07-14 23:59:25,077 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 315 [2021-07-14 23:59:25,210 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 196 [2021-07-14 23:59:25,627 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 582 DAG size of output: 346 [2021-07-14 23:59:25,936 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 589 DAG size of output: 350 [2021-07-14 23:59:26,499 WARN L205 SmtUtils]: Spent 560.00 ms on a formula simplification. DAG size of input: 1065 DAG size of output: 574 [2021-07-14 23:59:26,798 WARN L205 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 292 [2021-07-14 23:59:26,942 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 195 [2021-07-14 23:59:27,681 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 213 [2021-07-14 23:59:27,819 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 199 [2021-07-14 23:59:29,139 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 1288 DAG size of output: 687 [2021-07-14 23:59:30,064 WARN L205 SmtUtils]: Spent 918.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 23:59:30,993 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 1291 DAG size of output: 686 [2021-07-14 23:59:31,952 WARN L205 SmtUtils]: Spent 951.00 ms on a formula simplification. DAG size of input: 1297 DAG size of output: 692 [2021-07-14 23:59:32,288 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 491 [2021-07-14 23:59:32,828 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 304 [2021-07-14 23:59:33,144 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 355 [2021-07-14 23:59:33,513 WARN L205 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 23:59:33,883 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 576 DAG size of output: 360 [2021-07-14 23:59:34,276 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 363 [2021-07-14 23:59:34,572 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 365 DAG size of output: 365 [2021-07-14 23:59:34,701 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 248 [2021-07-14 23:59:35,345 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 211 [2021-07-14 23:59:35,577 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 23:59:35,578 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:59:35,579 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 23:59:35,579 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:55, output treesize:3 [2021-07-14 23:59:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 99 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:59:35,586 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [284555324] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:59:35,586 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:59:35,586 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 20] total 32 [2021-07-14 23:59:35,586 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1104772859] [2021-07-14 23:59:35,587 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-14 23:59:35,587 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:59:35,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-14 23:59:35,587 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=975, Unknown=0, NotChecked=0, Total=1056 [2021-07-14 23:59:35,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:59:35,588 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:59:35,588 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.4848484848484849) internal successors, (49), 32 states have internal predecessors, (49), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 23:59:35,588 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:59:35,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:59:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:59:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 23:59:35,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 23:59:35,936 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1343,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:59:35,937 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:59:35,937 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:59:35,937 INFO L82 PathProgramCache]: Analyzing trace with hash -1966082926, now seen corresponding path program 14 times [2021-07-14 23:59:35,937 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:59:35,937 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1097981913] [2021-07-14 23:59:35,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:59:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:59:36,138 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 78 proven. 48 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:59:36,138 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:59:36,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1097981913] [2021-07-14 23:59:36,138 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1097981913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:59:36,138 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133280979] [2021-07-14 23:59:36,138 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:59:36,170 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 23:59:36,171 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:59:36,171 INFO L263 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 22 conjunts are in the unsatisfiable core [2021-07-14 23:59:36,172 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:59:36,253 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 91 proven. 35 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:59:36,253 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133280979] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:59:36,253 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 23:59:36,253 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22, 22] total 23 [2021-07-14 23:59:36,253 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805479293] [2021-07-14 23:59:36,253 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 23:59:36,253 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 23:59:36,254 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 23:59:36,254 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=158, Invalid=394, Unknown=0, NotChecked=0, Total=552 [2021-07-14 23:59:36,254 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:59:36,254 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 23:59:36,254 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 23:59:36,254 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 20 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-14 23:59:36,255 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 23:59:36,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 23:59:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-14 23:59:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 23:59:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-14 23:59:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2021-07-14 23:59:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-14 23:59:36,517 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-14 23:59:36,740 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11576 [2021-07-14 23:59:36,740 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 23:59:36,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 23:59:36,741 INFO L82 PathProgramCache]: Analyzing trace with hash -795956861, now seen corresponding path program 15 times [2021-07-14 23:59:36,741 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 23:59:36,741 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1370440300] [2021-07-14 23:59:36,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 23:59:36,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 23:59:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 0 proven. 133 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 23:59:36,890 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 23:59:36,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1370440300] [2021-07-14 23:59:36,890 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1370440300] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 23:59:36,890 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [636767915] [2021-07-14 23:59:36,890 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 23:59:36,929 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2021-07-14 23:59:36,930 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 23:59:36,930 INFO L263 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 49 conjunts are in the unsatisfiable core [2021-07-14 23:59:36,932 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 23:59:38,048 WARN L205 SmtUtils]: Spent 582.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2021-07-14 23:59:38,049 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 23:59:38,049 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 14 select indices, 14 select index equivalence classes, 0 disjoint index pairs (out of 91 index pairs), introduced 27 new quantified variables, introduced 91 case distinctions, treesize of input 63 treesize of output 774 [2021-07-14 23:59:39,168 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 429 DAG size of output: 301 [2021-07-14 23:59:39,355 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 334 [2021-07-14 23:59:39,607 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 363 [2021-07-14 23:59:40,989 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 673 DAG size of output: 609 [2021-07-14 23:59:41,293 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 701 DAG size of output: 636 [2021-07-14 23:59:41,925 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 912 [2021-07-14 23:59:42,715 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 1137 DAG size of output: 937 [2021-07-14 23:59:43,671 WARN L205 SmtUtils]: Spent 949.00 ms on a formula simplification. DAG size of input: 1169 DAG size of output: 969 [2021-07-14 23:59:44,862 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1200 DAG size of output: 1000 [2021-07-14 23:59:46,260 WARN L205 SmtUtils]: Spent 1.39 s on a formula simplification. DAG size of input: 1232 DAG size of output: 1032 [2021-07-14 23:59:47,499 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 235 [2021-07-14 23:59:47,646 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 256 [2021-07-14 23:59:47,831 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 289 [2021-07-14 23:59:48,034 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 412 DAG size of output: 321 [2021-07-14 23:59:48,278 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 354 [2021-07-14 23:59:50,130 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 1480 DAG size of output: 1192 [2021-07-14 23:59:51,544 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 593 [2021-07-14 23:59:52,844 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 589 [2021-07-14 23:59:53,377 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 1250 DAG size of output: 1122 [2021-07-14 23:59:54,053 WARN L205 SmtUtils]: Spent 670.00 ms on a formula simplification. DAG size of input: 1279 DAG size of output: 1150 [2021-07-14 23:59:54,931 WARN L205 SmtUtils]: Spent 871.00 ms on a formula simplification. DAG size of input: 1310 DAG size of output: 1181 [2021-07-14 23:59:56,001 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1340 DAG size of output: 1211 [2021-07-14 23:59:57,374 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1369 DAG size of output: 1239 [2021-07-14 23:59:58,849 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 460 DAG size of output: 316 [2021-07-14 23:59:59,054 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 492 DAG size of output: 348 [2021-07-14 23:59:59,307 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 523 DAG size of output: 375 [2021-07-14 23:59:59,608 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 406 [2021-07-14 23:59:59,947 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 584 DAG size of output: 436 [2021-07-15 00:00:02,150 WARN L205 SmtUtils]: Spent 2.20 s on a formula simplification. DAG size of input: 1800 DAG size of output: 1526 [2021-07-15 00:00:04,824 WARN L205 SmtUtils]: Spent 2.66 s on a formula simplification. DAG size of input: 1831 DAG size of output: 1557 [2021-07-15 00:00:09,852 WARN L205 SmtUtils]: Spent 5.02 s on a formula simplification. DAG size of input: 3112 DAG size of output: 2563 [2021-07-15 00:00:15,293 WARN L205 SmtUtils]: Spent 5.42 s on a formula simplification. DAG size of input: 3143 DAG size of output: 2594 [2021-07-15 00:00:21,687 WARN L205 SmtUtils]: Spent 6.38 s on a formula simplification. DAG size of input: 3171 DAG size of output: 2622 [2021-07-15 00:00:28,411 WARN L205 SmtUtils]: Spent 6.71 s on a formula simplification. DAG size of input: 3200 DAG size of output: 2649 [2021-07-15 00:00:36,035 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 3246 DAG size of output: 2693 [2021-07-15 00:00:37,281 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 200 [2021-07-15 00:00:37,411 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 234 [2021-07-15 00:00:37,564 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 262 [2021-07-15 00:00:37,752 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 379 DAG size of output: 295 [2021-07-15 00:00:37,972 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 327 [2021-07-15 00:00:39,425 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 674 DAG size of output: 610 [2021-07-15 00:00:40,538 WARN L205 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-15 00:00:40,731 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-15 00:00:41,256 WARN L205 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 881 [2021-07-15 00:00:41,940 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification. DAG size of input: 1104 DAG size of output: 911 [2021-07-15 00:00:42,784 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 1136 DAG size of output: 943 [2021-07-15 00:00:43,783 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 1168 DAG size of output: 975 [2021-07-15 00:00:45,070 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1199 DAG size of output: 1006 [2021-07-15 00:00:46,799 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1441 DAG size of output: 1168 [2021-07-15 00:00:48,894 WARN L205 SmtUtils]: Spent 2.09 s on a formula simplification. DAG size of input: 1474 DAG size of output: 1201 [2021-07-15 00:00:49,988 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 302 [2021-07-15 00:00:50,190 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 335 [2021-07-15 00:00:50,452 WARN L205 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 493 DAG size of output: 364 [2021-07-15 00:00:51,683 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 304 [2021-07-15 00:00:51,904 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 339 [2021-07-15 00:00:52,172 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 499 DAG size of output: 370 [2021-07-15 00:00:52,944 WARN L205 SmtUtils]: Spent 768.00 ms on a formula simplification. DAG size of input: 890 DAG size of output: 633 [2021-07-15 00:00:53,692 WARN L205 SmtUtils]: Spent 743.00 ms on a formula simplification. DAG size of input: 923 DAG size of output: 659 [2021-07-15 00:00:54,568 WARN L205 SmtUtils]: Spent 870.00 ms on a formula simplification. DAG size of input: 957 DAG size of output: 693 [2021-07-15 00:00:55,591 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 990 DAG size of output: 726 [2021-07-15 00:00:56,795 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1024 DAG size of output: 760 [2021-07-15 00:00:58,904 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 1051 DAG size of output: 779 [2021-07-15 00:01:02,507 WARN L205 SmtUtils]: Spent 3.60 s on a formula simplification. DAG size of input: 2305 DAG size of output: 1755 [2021-07-15 00:01:06,546 WARN L205 SmtUtils]: Spent 4.03 s on a formula simplification. DAG size of input: 2338 DAG size of output: 1788 [2021-07-15 00:01:10,823 WARN L205 SmtUtils]: Spent 4.27 s on a formula simplification. DAG size of input: 2368 DAG size of output: 1818 [2021-07-15 00:01:15,721 WARN L205 SmtUtils]: Spent 4.89 s on a formula simplification. DAG size of input: 2399 DAG size of output: 1847 [2021-07-15 00:01:29,125 WARN L205 SmtUtils]: Spent 13.39 s on a formula simplification. DAG size of input: 5327 DAG size of output: 4237 [2021-07-15 00:01:44,070 WARN L205 SmtUtils]: Spent 14.92 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-15 00:01:59,026 WARN L205 SmtUtils]: Spent 14.93 s on a formula simplification. DAG size of input: 5355 DAG size of output: 4263 [2021-07-15 00:02:16,251 WARN L205 SmtUtils]: Spent 17.21 s on a formula simplification. DAG size of input: 5378 DAG size of output: 4286 [2021-07-15 00:02:44,719 WARN L205 SmtUtils]: Spent 28.44 s on a formula simplification. DAG size of input: 4288 DAG size of output: 5230 [2021-07-15 00:03:17,892 WARN L205 SmtUtils]: Spent 33.14 s on a formula simplification. DAG size of input: 4282 DAG size of output: 6377 [2021-07-15 00:03:18,396 WARN L205 SmtUtils]: Spent 475.00 ms on a formula simplification that was a NOOP. DAG size: 4274 [2021-07-15 00:03:19,765 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 362 DAG size of output: 309 [2021-07-15 00:03:20,019 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 334 [2021-07-15 00:03:20,655 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-07-15 00:03:20,788 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 256 [2021-07-15 00:03:21,475 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 276 DAG size of output: 244 [2021-07-15 00:03:21,750 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 352 [2021-07-15 00:03:22,138 WARN L205 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 375 [2021-07-15 00:03:22,801 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 657 DAG size of output: 545 [2021-07-15 00:03:23,469 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 240 [2021-07-15 00:03:24,154 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 250 [2021-07-15 00:03:24,410 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 394 DAG size of output: 346 [2021-07-15 00:03:25,668 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 299 [2021-07-15 00:03:26,200 WARN L205 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 618 DAG size of output: 516 [2021-07-15 00:03:26,826 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 643 DAG size of output: 538 [2021-07-15 00:03:28,117 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 1114 DAG size of output: 848 [2021-07-15 00:03:28,717 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 248 [2021-07-15 00:03:29,432 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 340 [2021-07-15 00:03:30,472 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 275 [2021-07-15 00:03:30,949 WARN L205 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 527 DAG size of output: 481 [2021-07-15 00:03:31,504 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 501 [2021-07-15 00:03:32,152 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 256 [2021-07-15 00:03:32,690 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 245 [2021-07-15 00:03:32,939 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 349 [2021-07-15 00:03:33,244 WARN L205 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 370 [2021-07-15 00:03:34,346 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 287 [2021-07-15 00:03:34,548 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 307 [2021-07-15 00:03:35,156 WARN L205 SmtUtils]: Spent 605.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 514 [2021-07-15 00:03:36,339 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 926 DAG size of output: 806 [2021-07-15 00:03:39,103 WARN L205 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 1850 DAG size of output: 1449 [2021-07-15 00:03:42,225 WARN L205 SmtUtils]: Spent 3.11 s on a formula simplification. DAG size of input: 1896 DAG size of output: 1472 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown