/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe-Random7777.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-2abb09bbbae98a04ae2fcc735832bfdba44f6fbc-2abb09b [2021-06-07 02:37:03,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-07 02:37:03,641 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-07 02:37:03,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-07 02:37:03,668 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-07 02:37:03,671 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-07 02:37:03,674 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-07 02:37:03,678 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-07 02:37:03,680 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-07 02:37:03,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-07 02:37:03,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-07 02:37:03,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-07 02:37:03,684 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-07 02:37:03,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-07 02:37:03,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-07 02:37:03,687 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-07 02:37:03,693 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-07 02:37:03,693 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-07 02:37:03,695 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-07 02:37:03,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-07 02:37:03,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-07 02:37:03,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-07 02:37:03,700 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-07 02:37:03,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-07 02:37:03,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-07 02:37:03,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-07 02:37:03,706 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-07 02:37:03,707 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-07 02:37:03,708 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-07 02:37:03,708 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-07 02:37:03,708 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-07 02:37:03,709 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-07 02:37:03,710 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-07 02:37:03,710 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-07 02:37:03,711 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-07 02:37:03,711 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-07 02:37:03,711 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-07 02:37:03,712 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-07 02:37:03,712 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-07 02:37:03,712 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-07 02:37:03,712 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-07 02:37:03,715 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-DelaySleep-NoLbe-Random7777.epf [2021-06-07 02:37:03,742 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-07 02:37:03,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-07 02:37:03,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-07 02:37:03,743 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-07 02:37:03,744 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-07 02:37:03,745 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-07 02:37:03,745 INFO L138 SettingsManager]: * Use SBE=true [2021-06-07 02:37:03,745 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-07 02:37:03,745 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-07 02:37:03,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-07 02:37:03,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-07 02:37:03,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:37:03,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-07 02:37:03,747 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-07 02:37:03,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-07 02:37:03,748 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-07 02:37:03,748 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-06-07 02:37:03,748 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-07 02:37:04,002 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-07 02:37:04,026 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-07 02:37:04,028 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-07 02:37:04,029 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-07 02:37:04,030 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-07 02:37:04,031 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl [2021-06-07 02:37:04,031 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-5.wvr.bpl' [2021-06-07 02:37:04,051 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-07 02:37:04,083 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-07 02:37:04,084 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-07 02:37:04,084 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-07 02:37:04,084 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-07 02:37:04,093 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,105 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-07 02:37:04,106 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-07 02:37:04,106 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-07 02:37:04,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-07 02:37:04,111 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,112 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,113 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,116 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... [2021-06-07 02:37:04,117 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-07 02:37:04,118 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-07 02:37:04,118 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-07 02:37:04,118 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-07 02:37:04,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-07 02:37:04,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-06-07 02:37:04,174 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-07 02:37:04,174 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-07 02:37:04,174 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-06-07 02:37:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-07 02:37:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-07 02:37:04,175 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-07 02:37:04,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-07 02:37:04,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-07 02:37:04,175 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-07 02:37:04,509 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-07 02:37:04,509 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-06-07 02:37:04,510 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-06-07 02:37:04,511 INFO L202 PluginConnector]: Adding new model unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:37:04 BoogieIcfgContainer [2021-06-07 02:37:04,511 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-07 02:37:04,512 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-07 02:37:04,512 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-07 02:37:04,514 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-07 02:37:04,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 07.06 02:37:04" (1/2) ... [2021-06-07 02:37:04,515 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7b03bb33 and model type unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.06 02:37:04, skipping insertion in model container [2021-06-07 02:37:04,515 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-5.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.06 02:37:04" (2/2) ... [2021-06-07 02:37:04,515 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-5.wvr.bpl [2021-06-07 02:37:04,519 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-07 02:37:04,519 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-07 02:37:04,519 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-07 02:37:04,519 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-07 02:37:04,559 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-06-07 02:37:04,575 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 [2021-06-07 02:37:04,627 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-07 02:37:04,627 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-07 02:37:04,627 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-07 02:37:04,627 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-07 02:37:04,627 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-07 02:37:04,627 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-07 02:37:04,627 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-07 02:37:04,628 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-07 02:37:04,655 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:04,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:04,659 INFO L82 PathProgramCache]: Analyzing trace with hash 47474763, now seen corresponding path program 1 times [2021-06-07 02:37:04,664 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:04,664 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569295491] [2021-06-07 02:37:04,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:04,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:04,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:04,816 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:04,816 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569295491] [2021-06-07 02:37:04,816 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569295491] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-07 02:37:04,816 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-07 02:37:04,817 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-06-07 02:37:04,817 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1156073295] [2021-06-07 02:37:04,819 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-06-07 02:37:04,820 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:04,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-06-07 02:37:04,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-06-07 02:37:04,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:04,835 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:04,838 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 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) [2021-06-07 02:37:04,839 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:04,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:04,883 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-07 02:37:04,883 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:04,886 INFO L82 PathProgramCache]: Analyzing trace with hash 637595421, now seen corresponding path program 1 times [2021-06-07 02:37:04,886 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:04,886 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459315637] [2021-06-07 02:37:04,886 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:04,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:06,079 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 5498 DAG size of output: 50 [2021-06-07 02:37:06,203 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 35 [2021-06-07 02:37:06,921 WARN L205 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 5496 DAG size of output: 12 [2021-06-07 02:37:06,935 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:06,935 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:06,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459315637] [2021-06-07 02:37:06,935 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459315637] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:06,935 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [142794701] [2021-06-07 02:37:06,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:06,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-06-07 02:37:06,977 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:08,094 WARN L205 SmtUtils]: Spent 986.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 13 [2021-06-07 02:37:08,113 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-06-07 02:37:08,115 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:08,116 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:08,116 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:08,116 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-06-07 02:37:08,123 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:08,123 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [142794701] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:08,124 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:08,124 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-06-07 02:37:08,124 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236837345] [2021-06-07 02:37:08,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:37:08,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:08,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:37:08,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:37:08,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:08,125 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:08,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:37:08,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:08,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:08,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:08,385 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:08,385 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:08,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:08,386 INFO L82 PathProgramCache]: Analyzing trace with hash 1751466635, now seen corresponding path program 2 times [2021-06-07 02:37:08,386 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:08,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643801503] [2021-06-07 02:37:08,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:08,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:08,828 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 2846 DAG size of output: 46 [2021-06-07 02:37:09,677 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 5518 DAG size of output: 38 [2021-06-07 02:37:10,431 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 5516 DAG size of output: 13 [2021-06-07 02:37:10,449 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:10,449 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:10,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643801503] [2021-06-07 02:37:10,449 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643801503] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:10,449 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2089837597] [2021-06-07 02:37:10,450 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:10,492 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:37:10,492 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:10,493 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 20 conjunts are in the unsatisfiable core [2021-06-07 02:37:10,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:11,555 WARN L205 SmtUtils]: Spent 957.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 15 [2021-06-07 02:37:11,576 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:11,577 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 [2021-06-07 02:37:11,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:11,582 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:11,585 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:11,585 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-06-07 02:37:11,594 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:11,594 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2089837597] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:11,595 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:11,595 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-06-07 02:37:11,595 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226839485] [2021-06-07 02:37:11,596 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-06-07 02:37:11,596 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:11,599 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-06-07 02:37:11,600 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-06-07 02:37:11,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:11,600 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:11,600 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.7272727272727273) internal successors, (19), 10 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) [2021-06-07 02:37:11,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:11,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:11,600 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:11,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:11,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:11,885 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:11,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:11,885 INFO L82 PathProgramCache]: Analyzing trace with hash 1921735901, now seen corresponding path program 3 times [2021-06-07 02:37:11,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:11,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297428633] [2021-06-07 02:37:11,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:11,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:12,435 WARN L205 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 2845 DAG size of output: 42 [2021-06-07 02:37:13,257 WARN L205 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 25 [2021-06-07 02:37:14,055 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 5508 DAG size of output: 14 [2021-06-07 02:37:14,084 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:14,084 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:14,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297428633] [2021-06-07 02:37:14,084 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297428633] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:14,084 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [929623720] [2021-06-07 02:37:14,084 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:14,110 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-06-07 02:37:14,110 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:14,112 WARN L261 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 25 conjunts are in the unsatisfiable core [2021-06-07 02:37:14,113 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:14,973 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 2125 DAG size of output: 16 [2021-06-07 02:37:14,993 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:14,993 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-06-07 02:37:15,009 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:15,010 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:15,011 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:15,011 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-06-07 02:37:15,016 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:15,016 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [929623720] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:15,016 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:15,016 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-07 02:37:15,016 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837455726] [2021-06-07 02:37:15,017 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 02:37:15,017 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:15,017 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 02:37:15,017 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=126, Unknown=0, NotChecked=0, Total=156 [2021-06-07 02:37:15,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:15,017 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:15,017 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:37:15,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:15,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:15,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:15,018 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:15,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:15,312 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:15,313 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:15,313 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:15,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1389851445, now seen corresponding path program 4 times [2021-06-07 02:37:15,313 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:15,313 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2128836196] [2021-06-07 02:37:15,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:15,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:15,803 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 2844 DAG size of output: 41 [2021-06-07 02:37:16,592 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 14 [2021-06-07 02:37:16,619 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:16,619 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:16,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2128836196] [2021-06-07 02:37:16,619 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2128836196] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:16,619 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [207553616] [2021-06-07 02:37:16,619 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:16,660 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:37:16,660 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:16,661 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 22 conjunts are in the unsatisfiable core [2021-06-07 02:37:16,662 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:19,917 WARN L205 SmtUtils]: Spent 3.12 s on a formula simplification. DAG size of input: 5724 DAG size of output: 48 [2021-06-07 02:37:19,973 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:19,973 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-06-07 02:37:20,024 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:20,025 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:20,026 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:20,026 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-06-07 02:37:20,030 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:20,031 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [207553616] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:20,031 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:20,031 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-06-07 02:37:20,031 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1922010389] [2021-06-07 02:37:20,031 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-06-07 02:37:20,031 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:20,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-06-07 02:37:20,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2021-06-07 02:37:20,035 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:20,036 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:20,036 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.7692307692307692) internal successors, (23), 12 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:37:20,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:20,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:20,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:20,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable7 [2021-06-07 02:37:20,385 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:20,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:20,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1746576058, now seen corresponding path program 1 times [2021-06-07 02:37:20,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:20,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462180686] [2021-06-07 02:37:20,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:20,441 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:20,442 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:20,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462180686] [2021-06-07 02:37:20,442 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462180686] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:20,442 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1237424566] [2021-06-07 02:37:20,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:20,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:20,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 02:37:20,467 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:20,495 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:20,495 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1237424566] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:20,495 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:20,495 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-07 02:37:20,495 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1169887610] [2021-06-07 02:37:20,495 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:37:20,495 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:20,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:37:20,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:37:20,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:20,496 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:20,496 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) [2021-06-07 02:37:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:20,764 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:20,765 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:20,765 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:20,765 INFO L82 PathProgramCache]: Analyzing trace with hash -969844067, now seen corresponding path program 5 times [2021-06-07 02:37:20,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:20,765 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1239026604] [2021-06-07 02:37:20,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:20,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:20,800 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:20,800 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1239026604] [2021-06-07 02:37:20,801 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1239026604] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:20,801 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1640527680] [2021-06-07 02:37:20,801 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 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:20,842 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-06-07 02:37:20,842 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:20,842 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 7 conjunts are in the unsatisfiable core [2021-06-07 02:37:20,843 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:20,871 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:20,872 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1640527680] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:20,872 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:20,872 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-06-07 02:37:20,872 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457617377] [2021-06-07 02:37:20,872 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-06-07 02:37:20,872 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:20,872 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-06-07 02:37:20,873 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2021-06-07 02:37:20,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:20,873 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:20,873 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) [2021-06-07 02:37:20,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:20,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:20,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:20,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:20,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:20,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:21,126 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2021-06-07 02:37:21,127 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:21,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:21,127 INFO L82 PathProgramCache]: Analyzing trace with hash 1881902888, now seen corresponding path program 2 times [2021-06-07 02:37:21,127 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:21,127 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631847332] [2021-06-07 02:37:21,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:21,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:21,211 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:21,211 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:21,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631847332] [2021-06-07 02:37:21,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631847332] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:21,211 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097994786] [2021-06-07 02:37:21,211 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:21,244 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:37:21,244 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:21,244 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-06-07 02:37:21,245 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:34,319 WARN L205 SmtUtils]: Spent 12.85 s on a formula simplification. DAG size of input: 14581 DAG size of output: 54 [2021-06-07 02:37:34,380 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:34,381 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-06-07 02:37:34,450 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:34,451 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:34,452 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:34,452 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-06-07 02:37:34,456 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:34,456 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097994786] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:34,456 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:34,456 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 18 [2021-06-07 02:37:34,456 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069385675] [2021-06-07 02:37:34,456 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-06-07 02:37:34,456 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:34,457 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-06-07 02:37:34,457 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2021-06-07 02:37:34,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:34,457 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:34,457 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:34,457 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:34,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:34,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:34,679 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:34,894 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2021-06-07 02:37:34,894 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:34,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:34,895 INFO L82 PathProgramCache]: Analyzing trace with hash 1782067322, now seen corresponding path program 3 times [2021-06-07 02:37:34,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:34,895 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2037156542] [2021-06-07 02:37:34,895 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:34,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:35,628 WARN L205 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 5496 DAG size of output: 12 [2021-06-07 02:37:35,650 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:35,650 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:35,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2037156542] [2021-06-07 02:37:35,651 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2037156542] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:35,651 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1250563170] [2021-06-07 02:37:35,651 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:35,676 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-06-07 02:37:35,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:35,677 WARN L261 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 42 conjunts are in the unsatisfiable core [2021-06-07 02:37:35,677 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:36,059 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 19 [2021-06-07 02:37:36,104 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:36,104 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 [2021-06-07 02:37:36,309 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:36,312 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:36,312 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:36,313 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-06-07 02:37:36,316 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:36,317 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1250563170] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:36,317 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:36,317 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 20 [2021-06-07 02:37:36,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298328440] [2021-06-07 02:37:36,319 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-06-07 02:37:36,319 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:36,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-06-07 02:37:36,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=370, Unknown=0, NotChecked=0, Total=420 [2021-06-07 02:37:36,319 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:36,319 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:36,319 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.4285714285714286) internal successors, (30), 20 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:37:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:36,319 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:36,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:36,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:36,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:36,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:36,320 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:36,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:36,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable53,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:36,730 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:36,730 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:36,731 INFO L82 PathProgramCache]: Analyzing trace with hash -1312835224, now seen corresponding path program 4 times [2021-06-07 02:37:36,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:36,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959463793] [2021-06-07 02:37:36,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:36,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:37,595 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 5516 DAG size of output: 13 [2021-06-07 02:37:37,618 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:37,618 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:37,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959463793] [2021-06-07 02:37:37,618 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959463793] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:37,618 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801894440] [2021-06-07 02:37:37,618 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:37,643 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:37:37,644 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:37,644 WARN L261 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 44 conjunts are in the unsatisfiable core [2021-06-07 02:37:37,645 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:38,045 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 20 [2021-06-07 02:37:38,109 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:38,110 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-06-07 02:37:38,589 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:38,590 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:38,590 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:38,591 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-06-07 02:37:38,600 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 0 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:38,601 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1801894440] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:38,601 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:38,601 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-06-07 02:37:38,601 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198531271] [2021-06-07 02:37:38,601 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-06-07 02:37:38,601 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:38,601 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-06-07 02:37:38,602 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=451, Unknown=0, NotChecked=0, Total=506 [2021-06-07 02:37:38,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:38,602 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:38,602 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.391304347826087) internal successors, (32), 22 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) [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:38,602 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:38,849 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:39,064 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable109,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:39,065 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:39,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:39,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1529433658, now seen corresponding path program 5 times [2021-06-07 02:37:39,065 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:39,065 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811152814] [2021-06-07 02:37:39,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:39,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:39,963 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 5508 DAG size of output: 14 [2021-06-07 02:37:39,987 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:39,987 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:39,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811152814] [2021-06-07 02:37:39,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811152814] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:39,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [370849285] [2021-06-07 02:37:39,988 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:40,019 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-06-07 02:37:40,019 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:40,019 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 48 conjunts are in the unsatisfiable core [2021-06-07 02:37:40,020 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:40,487 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 1254 DAG size of output: 21 [2021-06-07 02:37:40,580 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:40,580 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 [2021-06-07 02:37:42,172 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:42,173 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:42,174 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:42,174 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-06-07 02:37:42,178 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 37 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:42,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [370849285] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:42,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:42,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-07 02:37:42,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [716124881] [2021-06-07 02:37:42,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 02:37:42,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:42,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 02:37:42,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-06-07 02:37:42,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:42,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:42,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.36) internal successors, (34), 24 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:42,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:42,180 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:42,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:42,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:42,730 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable200 [2021-06-07 02:37:42,731 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:42,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:42,731 INFO L82 PathProgramCache]: Analyzing trace with hash -554544216, now seen corresponding path program 6 times [2021-06-07 02:37:42,731 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:42,731 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1494226634] [2021-06-07 02:37:42,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:43,600 WARN L205 SmtUtils]: Spent 734.00 ms on a formula simplification. DAG size of input: 5510 DAG size of output: 14 [2021-06-07 02:37:43,622 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:43,622 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:43,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1494226634] [2021-06-07 02:37:43,622 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1494226634] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:43,622 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [843815202] [2021-06-07 02:37:43,622 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:43,651 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-06-07 02:37:43,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:43,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-06-07 02:37:43,652 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:44,060 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-06-07 02:37:44,061 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:44,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-06-07 02:37:45,027 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-06-07 02:37:45,942 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-06-07 02:37:46,227 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-07 02:37:46,508 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-06-07 02:37:46,825 WARN L205 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-06-07 02:37:47,197 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-06-07 02:37:47,833 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-07 02:37:47,956 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-06-07 02:37:48,145 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-06-07 02:37:49,075 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:37:49,076 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:49,077 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:37:49,077 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-06-07 02:37:49,080 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:49,081 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [843815202] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:49,081 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:49,081 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-06-07 02:37:49,081 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [526110875] [2021-06-07 02:37:49,081 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-06-07 02:37:49,081 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:49,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-06-07 02:37:49,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-06-07 02:37:49,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:49,082 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:49,082 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.44) internal successors, (36), 24 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:49,082 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:49,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:49,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:49,653 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable441 [2021-06-07 02:37:49,653 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:49,653 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:49,653 INFO L82 PathProgramCache]: Analyzing trace with hash 15613817, now seen corresponding path program 7 times [2021-06-07 02:37:49,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:49,653 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [81582421] [2021-06-07 02:37:49,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:49,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:49,731 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:49,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [81582421] [2021-06-07 02:37:49,731 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [81582421] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:49,731 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1204578919] [2021-06-07 02:37:49,731 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:49,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:49,762 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 02:37:49,763 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:49,797 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 3 proven. 45 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:49,797 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1204578919] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:49,797 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:49,797 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-07 02:37:49,797 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546294229] [2021-06-07 02:37:49,797 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 02:37:49,797 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:49,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 02:37:49,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=127, Unknown=0, NotChecked=0, Total=210 [2021-06-07 02:37:49,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:49,798 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:49,798 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 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) [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:49,798 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:49,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:49,799 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:50,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 02:37:50,224 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable904,14 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:50,225 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:50,225 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:50,225 INFO L82 PathProgramCache]: Analyzing trace with hash -733348870, now seen corresponding path program 8 times [2021-06-07 02:37:50,225 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:50,225 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [536488715] [2021-06-07 02:37:50,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:50,299 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 36 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:50,299 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:50,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [536488715] [2021-06-07 02:37:50,299 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [536488715] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:50,299 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1500984875] [2021-06-07 02:37:50,299 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:50,324 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-06-07 02:37:50,324 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:50,324 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-06-07 02:37:50,325 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:50,369 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 45 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:50,369 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1500984875] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:50,369 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:37:50,369 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-06-07 02:37:50,369 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007522544] [2021-06-07 02:37:50,370 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-06-07 02:37:50,370 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:37:50,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-06-07 02:37:50,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2021-06-07 02:37:50,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:50,370 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:37:50,370 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 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) [2021-06-07 02:37:50,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:50,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:50,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:50,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:50,370 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 02:37:50,371 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:37:50,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:37:50,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 02:37:50,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:37:50,708 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable905,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:50,709 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:37:50,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:37:50,709 INFO L82 PathProgramCache]: Analyzing trace with hash -1232363161, now seen corresponding path program 9 times [2021-06-07 02:37:50,709 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:37:50,709 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073834826] [2021-06-07 02:37:50,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:37:50,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:37:50,876 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:37:50,876 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:37:50,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073834826] [2021-06-07 02:37:50,876 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073834826] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:37:50,876 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1829228969] [2021-06-07 02:37:50,876 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:37:50,905 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-06-07 02:37:50,905 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:37:50,906 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-06-07 02:37:50,907 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:37:51,488 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-06-07 02:37:51,488 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:37:51,488 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 [2021-06-07 02:37:52,381 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-06-07 02:37:52,553 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-07 02:37:52,722 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-06-07 02:37:52,915 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-06-07 02:37:53,294 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-06-07 02:37:53,494 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-06-07 02:37:53,737 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-06-07 02:37:53,925 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-06-07 02:37:54,372 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-06-07 02:37:55,120 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-06-07 02:37:55,347 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-06-07 02:37:55,458 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-06-07 02:37:56,388 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-06-07 02:37:56,594 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-06-07 02:37:57,038 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-06-07 02:37:57,229 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-06-07 02:37:58,087 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-06-07 02:37:58,580 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-06-07 02:37:59,043 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-06-07 02:37:59,302 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-06-07 02:38:00,063 WARN L205 SmtUtils]: Spent 758.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-07 02:38:00,814 WARN L205 SmtUtils]: Spent 746.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-06-07 02:38:01,656 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-06-07 02:38:02,639 WARN L205 SmtUtils]: Spent 978.00 ms on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-06-07 02:38:02,810 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-06-07 02:38:03,605 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-06-07 02:38:03,936 WARN L205 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-06-07 02:38:04,369 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-06-07 02:38:04,832 WARN L205 SmtUtils]: Spent 460.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-07 02:38:05,308 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-06-07 02:38:05,837 WARN L205 SmtUtils]: Spent 527.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-06-07 02:38:06,390 WARN L205 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-06-07 02:38:06,638 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-06-07 02:38:06,836 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-06-07 02:38:07,050 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-06-07 02:38:07,740 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-06-07 02:38:08,333 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-06-07 02:38:08,612 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-06-07 02:38:09,807 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-06-07 02:38:10,311 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-06-07 02:38:11,263 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-06-07 02:38:12,100 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-06-07 02:38:13,121 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-06-07 02:38:14,141 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-07 02:38:15,152 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-06-07 02:38:16,233 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-06-07 02:38:16,389 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-06-07 02:38:16,726 WARN L205 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-06-07 02:38:17,388 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-06-07 02:38:17,549 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-07 02:38:17,708 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-06-07 02:38:17,874 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-06-07 02:38:18,050 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-06-07 02:38:18,354 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-06-07 02:38:18,355 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:38:18,356 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-06-07 02:38:18,356 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-06-07 02:38:18,359 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:38:18,359 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1829228969] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:38:18,359 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-06-07 02:38:18,359 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-06-07 02:38:18,359 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1018826088] [2021-06-07 02:38:18,360 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-06-07 02:38:18,360 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-07 02:38:18,360 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-06-07 02:38:18,360 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-06-07 02:38:18,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:38:18,360 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-07 02:38:18,360 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2903225806451613) internal successors, (40), 30 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-07 02:38:18,360 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 29 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:38:18,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-07 02:38:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-06-07 02:38:18,922 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-06-07 02:38:18,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-06-07 02:38:19,124 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable906,16 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:38:19,124 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-07 02:38:19,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-07 02:38:19,124 INFO L82 PathProgramCache]: Analyzing trace with hash -1264943815, now seen corresponding path program 10 times [2021-06-07 02:38:19,125 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-07 02:38:19,125 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667963323] [2021-06-07 02:38:19,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-07 02:38:19,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-07 02:38:19,950 WARN L205 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 5496 DAG size of output: 12 [2021-06-07 02:38:19,984 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 69 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-07 02:38:19,984 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-07 02:38:19,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667963323] [2021-06-07 02:38:19,984 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667963323] provided 0 perfect and 1 imperfect interpolant sequences [2021-06-07 02:38:19,984 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1643958411] [2021-06-07 02:38:19,985 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-06-07 02:38:20,014 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-06-07 02:38:20,014 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-06-07 02:38:20,015 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-06-07 02:38:20,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-06-07 02:45:05,103 WARN L205 SmtUtils]: Spent 6.74 m on a formula simplification. DAG size of input: 13686 DAG size of output: 24 [2021-06-07 02:45:05,333 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-06-07 02:45:05,333 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-06-07 02:45:05,333 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-06-07 02:45:06,484 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-06-07 02:45:06,668 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-06-07 02:45:06,866 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-06-07 02:45:08,099 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-06-07 02:45:08,283 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-06-07 02:45:08,510 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-06-07 02:45:09,036 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-06-07 02:45:09,569 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-06-07 02:45:10,202 WARN L205 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-06-07 02:45:10,930 WARN L205 SmtUtils]: Spent 723.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-06-07 02:45:11,768 WARN L205 SmtUtils]: Spent 832.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-07 02:45:12,613 WARN L205 SmtUtils]: Spent 841.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-06-07 02:45:13,609 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-06-07 02:45:15,804 WARN L205 SmtUtils]: Spent 2.19 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-06-07 02:45:17,428 WARN L205 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-06-07 02:45:18,440 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-06-07 02:45:19,944 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-06-07 02:45:20,742 WARN L205 SmtUtils]: Spent 791.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-06-07 02:45:21,061 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-06-07 02:45:21,927 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-06-07 02:45:22,034 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-06-07 02:45:22,171 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-07 02:45:23,156 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-06-07 02:45:23,337 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-06-07 02:45:23,522 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-06-07 02:45:24,338 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-06-07 02:45:24,647 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-06-07 02:45:25,040 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-06-07 02:45:26,122 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-06-07 02:45:26,291 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-06-07 02:45:26,782 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-06-07 02:45:27,253 WARN L205 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-06-07 02:45:27,409 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-06-07 02:45:27,619 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-06-07 02:45:27,773 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-06-07 02:45:28,378 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-06-07 02:45:28,652 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-06-07 02:45:28,772 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-06-07 02:45:28,933 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-06-07 02:45:29,089 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-06-07 02:45:29,658 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-06-07 02:45:30,290 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-06-07 02:45:30,453 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-06-07 02:45:30,672 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-06-07 02:45:30,996 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-06-07 02:45:32,283 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-06-07 02:45:32,443 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-06-07 02:45:32,886 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-06-07 02:45:33,909 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-06-07 02:45:35,314 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-06-07 02:45:35,475 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-06-07 02:45:35,676 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-06-07 02:45:35,819 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-06-07 02:45:36,604 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-06-07 02:45:36,767 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-06-07 02:45:38,019 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-06-07 02:45:38,253 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-06-07 02:45:39,284 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-06-07 02:45:39,476 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-06-07 02:45:39,961 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-06-07 02:45:40,589 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-06-07 02:45:41,308 WARN L205 SmtUtils]: Spent 716.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-06-07 02:45:42,625 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-06-07 02:45:42,779 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-06-07 02:45:43,005 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-06-07 02:45:43,285 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-06-07 02:45:43,968 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-06-07 02:45:44,405 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-06-07 02:45:44,652 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-06-07 02:45:45,174 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-06-07 02:45:45,509 WARN L205 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-06-07 02:45:45,870 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-06-07 02:45:46,792 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-06-07 02:45:46,951 WARN L205 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-06-07 02:45:47,578 WARN L205 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-06-07 02:45:48,310 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-06-07 02:45:49,590 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-06-07 02:45:51,674 WARN L205 SmtUtils]: Spent 2.08 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-06-07 02:45:52,617 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-06-07 02:45:52,778 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-06-07 02:45:53,396 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-06-07 02:45:54,077 WARN L205 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-06-07 02:45:54,439 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-06-07 02:45:54,572 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-06-07 02:45:55,513 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-06-07 02:45:56,330 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-06-07 02:45:56,527 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-06-07 02:45:56,925 WARN L205 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-06-07 02:45:57,917 WARN L205 SmtUtils]: Spent 557.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-06-07 02:45:58,490 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-06-07 02:45:58,928 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-06-07 02:45:59,175 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-06-07 02:45:59,695 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-06-07 02:46:00,132 WARN L205 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-06-07 02:46:00,570 WARN L205 SmtUtils]: Spent 436.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-06-07 02:46:01,344 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-06-07 02:46:01,675 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-06-07 02:46:02,492 WARN L205 SmtUtils]: Spent 814.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-06-07 02:46:03,484 WARN L205 SmtUtils]: Spent 961.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-06-07 02:46:04,979 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-06-07 02:46:07,286 WARN L205 SmtUtils]: Spent 2.30 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-06-07 02:46:12,144 WARN L205 SmtUtils]: Spent 4.85 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-06-07 02:46:18,568 WARN L205 SmtUtils]: Spent 6.41 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-06-07 02:46:26,647 WARN L205 SmtUtils]: Spent 8.06 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-06-07 02:46:36,066 WARN L205 SmtUtils]: Spent 9.40 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-06-07 02:46:37,323 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-06-07 02:46:38,140 WARN L205 SmtUtils]: Spent 810.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-06-07 02:46:38,303 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-06-07 02:46:38,531 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-06-07 02:46:39,731 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-06-07 02:46:40,205 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-06-07 02:46:40,823 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-07 02:46:40,953 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-06-07 02:46:41,851 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-06-07 02:46:42,089 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-07 02:46:42,338 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-06-07 02:46:42,771 WARN L205 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-06-07 02:46:43,516 WARN L205 SmtUtils]: Spent 741.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-06-07 02:46:44,212 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-06-07 02:46:44,390 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-06-07 02:46:45,229 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-06-07 02:46:45,463 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-06-07 02:46:45,906 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-06-07 02:46:47,168 WARN L205 SmtUtils]: Spent 1.26 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-06-07 02:46:48,671 WARN L205 SmtUtils]: Spent 1.50 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-06-07 02:46:48,950 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-06-07 02:46:49,093 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-06-07 02:46:49,217 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-06-07 02:46:49,443 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-06-07 02:46:50,054 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-06-07 02:46:50,336 WARN L205 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-06-07 02:46:50,794 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-06-07 02:46:50,899 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-06-07 02:46:51,423 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-06-07 02:46:51,983 WARN L205 SmtUtils]: Spent 558.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-06-07 02:46:52,880 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-06-07 02:46:53,251 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-06-07 02:46:54,044 WARN L205 SmtUtils]: Spent 790.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-06-07 02:46:54,671 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-06-07 02:46:54,826 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-06-07 02:46:55,063 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-06-07 02:46:56,269 WARN L205 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-06-07 02:46:56,806 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-06-07 02:46:57,153 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-06-07 02:46:58,367 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-06-07 02:46:59,786 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-06-07 02:47:02,952 WARN L205 SmtUtils]: Spent 3.16 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-06-07 02:47:03,217 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-06-07 02:47:03,325 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-06-07 02:47:04,151 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-06-07 02:47:05,000 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-06-07 02:47:05,204 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-06-07 02:47:05,396 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-06-07 02:47:05,574 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-06-07 02:47:05,887 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-06-07 02:47:06,236 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-06-07 02:47:06,405 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-06-07 02:47:06,679 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-06-07 02:47:07,122 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-06-07 02:47:07,310 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-06-07 02:47:07,550 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-06-07 02:47:07,682 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-06-07 02:47:08,292 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-06-07 02:47:08,662 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-06-07 02:47:08,839 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-06-07 02:47:09,096 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-06-07 02:47:09,497 WARN L205 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-06-07 02:47:10,093 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-06-07 02:47:10,225 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-06-07 02:47:11,124 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-06-07 02:47:12,065 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-06-07 02:47:12,276 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-07 02:47:12,488 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-06-07 02:47:12,828 WARN L205 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-06-07 02:47:13,316 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-06-07 02:47:14,260 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-06-07 02:47:14,496 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-06-07 02:47:14,981 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-06-07 02:47:16,169 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-06-07 02:47:21,286 WARN L205 SmtUtils]: Spent 5.11 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-06-07 02:47:27,021 WARN L205 SmtUtils]: Spent 5.72 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-06-07 02:47:34,151 WARN L205 SmtUtils]: Spent 7.12 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-06-07 02:47:42,680 WARN L205 SmtUtils]: Spent 8.51 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-06-07 02:47:43,614 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-06-07 02:47:44,429 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-06-07 02:47:44,586 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-06-07 02:47:45,587 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-06-07 02:47:45,734 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-06-07 02:47:45,907 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-06-07 02:47:46,186 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-06-07 02:47:47,030 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-06-07 02:47:47,533 WARN L205 SmtUtils]: Spent 500.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-06-07 02:47:48,243 WARN L205 SmtUtils]: Spent 708.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-06-07 02:47:49,073 WARN L205 SmtUtils]: Spent 826.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-06-07 02:47:50,663 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-06-07 02:47:50,813 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-06-07 02:47:51,030 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-06-07 02:47:51,725 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-06-07 02:47:52,458 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-06-07 02:47:52,837 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-06-07 02:47:53,375 WARN L205 SmtUtils]: Spent 535.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-06-07 02:47:54,898 WARN L205 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-06-07 02:47:56,537 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-06-07 02:47:58,415 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-06-07 02:48:10,147 WARN L205 SmtUtils]: Spent 11.72 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-06-07 02:48:32,707 WARN L205 SmtUtils]: Spent 22.54 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-06-07 02:48:58,229 WARN L205 SmtUtils]: Spent 25.49 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-06-07 02:48:59,301 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-06-07 02:48:59,460 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-06-07 02:49:00,778 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-06-07 02:49:00,987 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-06-07 02:49:01,390 WARN L205 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-06-07 02:49:01,880 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-06-07 02:49:30,705 WARN L205 SmtUtils]: Spent 28.81 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-06-07 02:50:03,475 WARN L205 SmtUtils]: Spent 32.74 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-07 02:50:36,237 WARN L205 SmtUtils]: Spent 32.73 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-06-07 02:51:12,744 WARN L205 SmtUtils]: Spent 36.48 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown