/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 03:28:26,056 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 03:28:26,058 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 03:28:26,098 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 03:28:26,098 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 03:28:26,101 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 03:28:26,103 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 03:28:26,109 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 03:28:26,111 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 03:28:26,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 03:28:26,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 03:28:26,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 03:28:26,119 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 03:28:26,121 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 03:28:26,123 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 03:28:26,124 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 03:28:26,126 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 03:28:26,127 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 03:28:26,129 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 03:28:26,135 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 03:28:26,136 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 03:28:26,137 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 03:28:26,138 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 03:28:26,140 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 03:28:26,146 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 03:28:26,146 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 03:28:26,146 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 03:28:26,148 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 03:28:26,148 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 03:28:26,149 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 03:28:26,149 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 03:28:26,150 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 03:28:26,151 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 03:28:26,152 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 03:28:26,153 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 03:28:26,153 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 03:28:26,154 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 03:28:26,166 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 03:28:26,166 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 03:28:26,167 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 03:28:26,168 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 03:28:26,169 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-NewStatesSleep-NoLbe.epf [2021-07-14 03:28:26,204 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 03:28:26,204 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 03:28:26,205 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 03:28:26,205 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 03:28:26,207 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 03:28:26,207 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 03:28:26,207 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 03:28:26,208 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 03:28:26,208 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 03:28:26,208 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 03:28:26,209 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 03:28:26,209 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 03:28:26,209 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 03:28:26,209 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 03:28:26,209 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 03:28:26,209 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 03:28:26,210 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 03:28:26,210 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 03:28:26,210 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 03:28:26,210 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 03:28:26,210 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 03:28:26,210 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 03:28:26,210 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 03:28:26,210 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:28:26,211 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 03:28:26,211 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 03:28:26,211 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 03:28:26,211 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 03:28:26,211 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 03:28:26,211 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 03:28:26,211 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 03:28:26,212 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 03:28:26,212 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 03:28:26,212 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 03:28:26,511 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 03:28:26,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 03:28:26,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 03:28:26,539 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 03:28:26,540 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 03:28:26,541 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl [2021-07-14 03:28:26,541 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-3.wvr.bpl' [2021-07-14 03:28:26,563 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 03:28:26,564 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 03:28:26,566 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 03:28:26,566 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 03:28:26,566 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 03:28:26,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,585 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,591 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 03:28:26,593 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 03:28:26,593 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 03:28:26,593 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 03:28:26,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,606 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,606 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... [2021-07-14 03:28:26,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 03:28:26,610 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 03:28:26,610 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 03:28:26,611 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 03:28:26,612 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 03:28:26,670 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 03:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 03:28:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 03:28:26,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 03:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 03:28:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 03:28:26,671 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 03:28:26,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 03:28:26,671 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 03:28:26,672 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 03:28:26,984 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 03:28:26,984 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-14 03:28:26,985 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-14 03:28:26,985 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-14 03:28:26,987 INFO L202 PluginConnector]: Adding new model unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:28:26 BoogieIcfgContainer [2021-07-14 03:28:26,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 03:28:26,988 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 03:28:26,988 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 03:28:26,991 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 03:28:26,991 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 03:28:26" (1/2) ... [2021-07-14 03:28:26,992 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d95b9ed and model type unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 03:28:26, skipping insertion in model container [2021-07-14 03:28:26,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 03:28:26" (2/2) ... [2021-07-14 03:28:26,993 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-3.wvr.bpl [2021-07-14 03:28:26,997 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 03:28:26,997 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 03:28:26,997 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 03:28:26,998 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 03:28:27,060 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-14 03:28:27,088 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 03:28:27,158 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 03:28:27,158 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 03:28:27,158 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 03:28:27,159 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 03:28:27,159 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 03:28:27,159 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 03:28:27,159 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 03:28:27,159 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 03:28:27,198 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:27,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:27,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1893131829, now seen corresponding path program 1 times [2021-07-14 03:28:27,211 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:27,212 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1849412284] [2021-07-14 03:28:27,212 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:27,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:27,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:27,354 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:27,354 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1849412284] [2021-07-14 03:28:27,354 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1849412284] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 03:28:27,355 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 03:28:27,355 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-14 03:28:27,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [74623034] [2021-07-14 03:28:27,359 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 03:28:27,359 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:27,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 03:28:27,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 03:28:27,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:27,371 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:27,373 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 3.0) internal successors, (9), 2 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:27,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:27,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:27,384 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 03:28:27,385 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:27,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:27,385 INFO L82 PathProgramCache]: Analyzing trace with hash 1930821543, now seen corresponding path program 1 times [2021-07-14 03:28:27,385 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:27,386 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [548973956] [2021-07-14 03:28:27,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:27,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:27,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:27,421 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:27,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [548973956] [2021-07-14 03:28:27,421 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [548973956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:27,421 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1886578017] [2021-07-14 03:28:27,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:27,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:27,468 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-14 03:28:27,471 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:27,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:27,529 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1886578017] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:27,529 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:27,529 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-14 03:28:27,530 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924267195] [2021-07-14 03:28:27,530 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-14 03:28:27,531 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:27,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-14 03:28:27,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-14 03:28:27,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:27,532 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:27,532 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.8) internal successors, (14), 4 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:27,532 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:27,579 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:27,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:27,801 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:27,801 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:27,801 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:27,802 INFO L82 PathProgramCache]: Analyzing trace with hash -251002636, now seen corresponding path program 1 times [2021-07-14 03:28:27,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:27,802 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [369849269] [2021-07-14 03:28:27,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:27,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:27,843 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:27,843 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:27,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [369849269] [2021-07-14 03:28:27,844 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [369849269] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:27,844 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605879061] [2021-07-14 03:28:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:27,894 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-14 03:28:27,894 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:27,943 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:27,944 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605879061] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:27,944 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:27,944 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-14 03:28:27,944 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226570274] [2021-07-14 03:28:27,945 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 03:28:27,945 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:27,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 03:28:27,946 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-14 03:28:27,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:27,946 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:27,946 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 2.75) internal successors, (11), 3 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:27,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:27,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:27,946 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:27,976 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,196 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:28,197 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:28,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:28,197 INFO L82 PathProgramCache]: Analyzing trace with hash 1609074150, now seen corresponding path program 2 times [2021-07-14 03:28:28,198 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:28,198 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869933832] [2021-07-14 03:28:28,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:28,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:28,235 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:28,236 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:28,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869933832] [2021-07-14 03:28:28,236 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869933832] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:28,236 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2121798728] [2021-07-14 03:28:28,236 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:28,266 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:28:28,267 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:28,267 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 03:28:28,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:28,319 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:28,319 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2121798728] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:28,319 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:28,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-07-14 03:28:28,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1757937181] [2021-07-14 03:28:28,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-14 03:28:28,320 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:28,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-14 03:28:28,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-14 03:28:28,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:28,321 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:28,321 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.142857142857143) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:28,321 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:28,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:28,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:28,570 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:28,570 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:28,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:28,571 INFO L82 PathProgramCache]: Analyzing trace with hash -858087628, now seen corresponding path program 3 times [2021-07-14 03:28:28,571 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:28,571 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253550732] [2021-07-14 03:28:28,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:28,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:28,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:28,621 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:28,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253550732] [2021-07-14 03:28:28,621 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [253550732] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:28,621 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1595808683] [2021-07-14 03:28:28,621 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:28,651 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 03:28:28,651 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:28,652 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 03:28:28,653 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:28,764 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:28,764 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 [2021-07-14 03:28:28,797 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:28:28,799 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:28,800 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:28:28,800 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-14 03:28:28,821 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:28,821 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1595808683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:28,821 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:28,821 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 9 [2021-07-14 03:28:28,822 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [580791890] [2021-07-14 03:28:28,822 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-14 03:28:28,822 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:28,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-14 03:28:28,823 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2021-07-14 03:28:28,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:28,823 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:28,823 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 2.1) internal successors, (21), 9 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) [2021-07-14 03:28:28,823 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:28,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:28,824 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:28,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:28,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:28,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:29,101 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:29,101 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:29,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:29,102 INFO L82 PathProgramCache]: Analyzing trace with hash -30691418, now seen corresponding path program 4 times [2021-07-14 03:28:29,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:29,102 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1834178482] [2021-07-14 03:28:29,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:29,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:29,189 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:29,189 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:29,189 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1834178482] [2021-07-14 03:28:29,208 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1834178482] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:29,208 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [216125889] [2021-07-14 03:28:29,208 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:29,241 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:28:29,241 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:29,242 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 7 conjunts are in the unsatisfiable core [2021-07-14 03:28:29,243 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:29,337 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 6 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:29,338 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [216125889] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:29,338 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:29,338 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-07-14 03:28:29,338 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625392214] [2021-07-14 03:28:29,338 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-14 03:28:29,338 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:29,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-14 03:28:29,339 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 03:28:29,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:29,339 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:29,339 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.0) internal successors, (18), 8 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:29,339 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:29,340 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:29,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:29,648 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:29,649 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:29,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:29,649 INFO L82 PathProgramCache]: Analyzing trace with hash -928362283, now seen corresponding path program 5 times [2021-07-14 03:28:29,650 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:29,650 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1459907742] [2021-07-14 03:28:29,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:29,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:29,714 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:29,714 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:29,715 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1459907742] [2021-07-14 03:28:29,715 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1459907742] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:29,716 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1488342863] [2021-07-14 03:28:29,716 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 [2021-07-14 03:28:29,768 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 3 check-sat command(s) [2021-07-14 03:28:29,768 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:29,768 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 12 conjunts are in the unsatisfiable core [2021-07-14 03:28:29,769 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:29,840 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 03:28:29,840 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1488342863] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:29,840 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:29,840 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2021-07-14 03:28:29,840 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1766774210] [2021-07-14 03:28:29,841 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 03:28:29,841 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:29,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 03:28:29,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2021-07-14 03:28:29,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:29,842 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:29,842 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) [2021-07-14 03:28:29,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:29,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:29,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:29,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:29,842 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,981 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:29,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:30,188 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:30,189 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:30,190 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:30,190 INFO L82 PathProgramCache]: Analyzing trace with hash 74628437, now seen corresponding path program 6 times [2021-07-14 03:28:30,190 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:30,190 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [299310118] [2021-07-14 03:28:30,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:30,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:30,296 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:30,296 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:30,296 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [299310118] [2021-07-14 03:28:30,297 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [299310118] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:30,297 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [295293350] [2021-07-14 03:28:30,297 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 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:30,334 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-14 03:28:30,335 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:30,335 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 11 conjunts are in the unsatisfiable core [2021-07-14 03:28:30,336 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:30,462 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 21 proven. 17 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 03:28:30,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [295293350] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:30,463 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:30,463 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 11] total 16 [2021-07-14 03:28:30,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2131369465] [2021-07-14 03:28:30,464 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 03:28:30,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:30,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 03:28:30,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=197, Unknown=0, NotChecked=0, Total=272 [2021-07-14 03:28:30,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:30,467 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:30,467 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.7058823529411764) internal successors, (29), 16 states have internal predecessors, (29), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:30,467 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:30,468 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:30,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:30,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:30,884 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 03:28:30,885 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:30,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:30,885 INFO L82 PathProgramCache]: Analyzing trace with hash -1958414074, now seen corresponding path program 7 times [2021-07-14 03:28:30,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:30,885 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2050926856] [2021-07-14 03:28:30,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:30,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:30,988 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 33 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2021-07-14 03:28:30,988 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:30,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2050926856] [2021-07-14 03:28:30,988 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2050926856] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:30,988 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60420523] [2021-07-14 03:28:30,988 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:31,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:31,021 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 18 conjunts are in the unsatisfiable core [2021-07-14 03:28:31,022 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:31,132 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 03:28:31,133 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60420523] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:31,133 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:31,133 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 10] total 15 [2021-07-14 03:28:31,133 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1760961544] [2021-07-14 03:28:31,133 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-14 03:28:31,134 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:31,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-14 03:28:31,134 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=197, Unknown=0, NotChecked=0, Total=240 [2021-07-14 03:28:31,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:31,134 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:31,135 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5625) internal successors, (25), 15 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:31,135 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:31,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:31,336 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:31,559 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:31,560 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:31,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:31,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1041767340, now seen corresponding path program 8 times [2021-07-14 03:28:31,560 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:31,561 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1073123151] [2021-07-14 03:28:31,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:31,692 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:31,692 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:31,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1073123151] [2021-07-14 03:28:31,692 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1073123151] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:31,692 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [492284583] [2021-07-14 03:28:31,693 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:31,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 03:28:31,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:31,721 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 03:28:31,723 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:32,177 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 03:28:32,178 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:32,178 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 [2021-07-14 03:28:32,947 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 207 [2021-07-14 03:28:33,639 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 288 [2021-07-14 03:28:33,813 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 03:28:33,986 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 273 [2021-07-14 03:28:34,175 WARN L205 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 286 [2021-07-14 03:28:34,495 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 346 [2021-07-14 03:28:34,706 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 325 [2021-07-14 03:28:36,732 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 224 [2021-07-14 03:28:36,952 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 315 [2021-07-14 03:28:37,289 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 498 DAG size of output: 376 [2021-07-14 03:28:37,550 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 557 DAG size of output: 424 [2021-07-14 03:28:38,226 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 172 [2021-07-14 03:28:38,868 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 341 DAG size of output: 227 [2021-07-14 03:28:39,038 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 277 [2021-07-14 03:28:39,275 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 423 DAG size of output: 303 [2021-07-14 03:28:39,798 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 848 DAG size of output: 621 [2021-07-14 03:28:40,422 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 859 DAG size of output: 631 [2021-07-14 03:28:41,233 WARN L205 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 958 DAG size of output: 706 [2021-07-14 03:28:42,500 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1019 DAG size of output: 750 [2021-07-14 03:28:43,516 WARN L205 SmtUtils]: Spent 1.01 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 03:28:44,523 WARN L205 SmtUtils]: Spent 1.00 s on a formula simplification. DAG size of input: 1106 DAG size of output: 776 [2021-07-14 03:28:45,606 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 1112 DAG size of output: 782 [2021-07-14 03:28:46,931 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 784 DAG size of output: 960 [2021-07-14 03:28:47,958 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 737 DAG size of output: 805 [2021-07-14 03:28:49,481 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 283 [2021-07-14 03:28:49,750 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 335 [2021-07-14 03:28:49,994 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 600 DAG size of output: 348 [2021-07-14 03:28:50,495 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 726 DAG size of output: 355 [2021-07-14 03:28:51,212 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 441 [2021-07-14 03:28:51,781 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 971 DAG size of output: 480 [2021-07-14 03:28:52,271 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 1114 DAG size of output: 529 [2021-07-14 03:28:52,923 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 03:28:53,580 WARN L205 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 1320 DAG size of output: 647 [2021-07-14 03:28:54,288 WARN L205 SmtUtils]: Spent 704.00 ms on a formula simplification. DAG size of input: 1324 DAG size of output: 652 [2021-07-14 03:28:54,981 WARN L205 SmtUtils]: Spent 689.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 675 [2021-07-14 03:28:55,485 WARN L205 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 615 DAG size of output: 517 [2021-07-14 03:28:56,302 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-14 03:28:56,304 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:56,304 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-14 03:28:56,304 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-14 03:28:56,310 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:56,310 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [492284583] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:56,310 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:56,310 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 14] total 23 [2021-07-14 03:28:56,311 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946946970] [2021-07-14 03:28:56,311 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 03:28:56,311 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:56,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 03:28:56,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=495, Unknown=0, NotChecked=0, Total=552 [2021-07-14 03:28:56,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:56,312 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:56,312 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.5416666666666667) internal successors, (37), 23 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 03:28:56,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:56,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:56,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:56,312 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:56,313 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:56,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:56,536 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:56,737 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:56,738 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:56,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:56,738 INFO L82 PathProgramCache]: Analyzing trace with hash -1840489338, now seen corresponding path program 9 times [2021-07-14 03:28:56,738 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:56,738 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [277353726] [2021-07-14 03:28:56,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:56,928 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 55 proven. 29 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:56,929 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:56,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [277353726] [2021-07-14 03:28:56,929 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [277353726] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:56,929 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [233360220] [2021-07-14 03:28:56,929 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:56,960 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-07-14 03:28:56,960 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:56,961 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-14 03:28:56,962 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:57,045 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 66 proven. 18 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:57,045 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [233360220] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:57,045 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 03:28:57,045 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 18 [2021-07-14 03:28:57,045 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1571526340] [2021-07-14 03:28:57,046 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 03:28:57,046 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 03:28:57,046 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 03:28:57,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=234, Unknown=0, NotChecked=0, Total=342 [2021-07-14 03:28:57,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:57,046 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 03:28:57,047 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) [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:57,047 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 03:28:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 03:28:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 03:28:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-14 03:28:57,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-14 03:28:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-14 03:28:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-14 03:28:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-07-14 03:28:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:57,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 03:28:57,547 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable1524 [2021-07-14 03:28:57,548 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 03:28:57,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 03:28:57,548 INFO L82 PathProgramCache]: Analyzing trace with hash -1197522955, now seen corresponding path program 10 times [2021-07-14 03:28:57,548 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 03:28:57,549 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1118583316] [2021-07-14 03:28:57,549 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 03:28:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 03:28:57,702 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 0 proven. 88 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-14 03:28:57,702 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 03:28:57,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1118583316] [2021-07-14 03:28:57,702 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1118583316] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 03:28:57,702 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [82395989] [2021-07-14 03:28:57,702 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 03:28:57,739 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 03:28:57,740 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 03:28:57,740 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 03:28:57,746 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 03:28:58,490 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-14 03:28:58,490 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-14 03:28:58,491 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 12 select indices, 12 select index equivalence classes, 0 disjoint index pairs (out of 66 index pairs), introduced 23 new quantified variables, introduced 66 case distinctions, treesize of input 55 treesize of output 568 [2021-07-14 03:28:59,390 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-14 03:28:59,536 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-14 03:29:00,614 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 343 DAG size of output: 321 [2021-07-14 03:29:00,803 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-14 03:29:01,041 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-14 03:29:01,482 WARN L205 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-14 03:29:02,043 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-14 03:29:02,944 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-14 03:29:03,120 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-14 03:29:03,372 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-14 03:29:04,146 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-14 03:29:04,793 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-14 03:29:05,068 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-14 03:29:05,450 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-14 03:29:05,887 WARN L205 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-14 03:29:06,602 WARN L205 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-14 03:29:07,455 WARN L205 SmtUtils]: Spent 847.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-14 03:29:08,920 WARN L205 SmtUtils]: Spent 1.46 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-14 03:29:09,862 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 297 [2021-07-14 03:29:10,100 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-14 03:29:10,300 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-14 03:29:11,057 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 344 [2021-07-14 03:29:11,183 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-14 03:29:11,578 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-14 03:29:12,030 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-14 03:29:12,744 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-14 03:29:12,896 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-14 03:29:13,079 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-14 03:29:14,409 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-14 03:29:14,707 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-14 03:29:15,070 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-14 03:29:15,683 WARN L205 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-14 03:29:16,405 WARN L205 SmtUtils]: Spent 717.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-14 03:29:17,690 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-14 03:29:20,906 WARN L205 SmtUtils]: Spent 3.21 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-14 03:29:24,627 WARN L205 SmtUtils]: Spent 3.71 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-14 03:29:28,820 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 03:29:33,014 WARN L205 SmtUtils]: Spent 4.18 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-14 03:29:38,076 WARN L205 SmtUtils]: Spent 5.05 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-14 03:29:42,733 WARN L205 SmtUtils]: Spent 4.64 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-14 03:29:47,784 WARN L205 SmtUtils]: Spent 5.03 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-14 03:29:55,660 WARN L205 SmtUtils]: Spent 7.86 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-14 03:29:55,824 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-14 03:29:56,979 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-14 03:29:58,834 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-14 03:30:05,566 WARN L205 SmtUtils]: Spent 6.72 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-14 03:30:05,895 WARN L205 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-14 03:30:06,238 WARN L205 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-14 03:30:07,448 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-14 03:30:07,726 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 339 [2021-07-14 03:30:09,286 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-14 03:30:09,516 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-14 03:30:09,827 WARN L205 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-14 03:30:10,298 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-14 03:30:10,426 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 337 [2021-07-14 03:30:11,151 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 185 [2021-07-14 03:30:11,282 WARN L205 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-14 03:30:11,640 WARN L205 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-14 03:30:11,946 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-14 03:30:12,435 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-14 03:30:13,506 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-14 03:30:14,612 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 301 DAG size of output: 253 [2021-07-14 03:30:14,842 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-14 03:30:15,121 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-14 03:30:16,090 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-14 03:30:16,335 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-14 03:30:16,645 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-14 03:30:16,815 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 272 [2021-07-14 03:30:17,578 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-14 03:30:17,801 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-14 03:30:18,087 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-14 03:30:18,426 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-14 03:30:19,158 WARN L205 SmtUtils]: Spent 724.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-14 03:30:20,121 WARN L205 SmtUtils]: Spent 887.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-14 03:30:21,009 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-14 03:30:21,198 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-14 03:30:21,446 WARN L205 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-14 03:30:21,749 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-14 03:30:22,812 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-14 03:30:22,958 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-14 03:30:23,169 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-14 03:30:23,436 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-14 03:30:23,786 WARN L205 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-14 03:30:24,509 WARN L205 SmtUtils]: Spent 720.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-14 03:30:26,377 WARN L205 SmtUtils]: Spent 1.86 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-14 03:30:29,324 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-14 03:30:32,730 WARN L205 SmtUtils]: Spent 3.39 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-14 03:30:37,290 WARN L205 SmtUtils]: Spent 4.55 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-14 03:30:38,388 WARN L205 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-14 03:30:38,758 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-14 03:30:39,327 WARN L205 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-14 03:30:40,097 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 219 [2021-07-14 03:30:40,336 WARN L205 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-14 03:30:40,533 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-14 03:30:40,800 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-14 03:30:41,200 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-14 03:30:41,405 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-14 03:30:42,355 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-14 03:30:42,538 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-14 03:30:43,449 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-14 03:30:43,608 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-14 03:30:43,988 WARN L205 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-14 03:30:44,505 WARN L205 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-14 03:30:45,274 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-14 03:30:46,459 WARN L205 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-14 03:30:48,110 WARN L205 SmtUtils]: Spent 1.64 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-14 03:30:48,779 WARN L205 SmtUtils]: Spent 660.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-14 03:30:49,386 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-14 03:30:49,780 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-14 03:30:49,894 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-14 03:30:51,765 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-14 03:30:51,936 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-14 03:30:52,246 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-14 03:30:52,841 WARN L205 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-14 03:30:53,759 WARN L205 SmtUtils]: Spent 913.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-14 03:30:55,103 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-14 03:30:58,390 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-14 03:31:02,239 WARN L205 SmtUtils]: Spent 3.84 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-14 03:31:07,735 WARN L205 SmtUtils]: Spent 5.49 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-14 03:31:18,585 WARN L205 SmtUtils]: Spent 10.84 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-14 03:31:19,818 WARN L205 SmtUtils]: Spent 925.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-14 03:31:20,378 WARN L205 SmtUtils]: Spent 553.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-14 03:31:21,143 WARN L205 SmtUtils]: Spent 759.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-14 03:31:21,629 WARN L205 SmtUtils]: Spent 479.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-14 03:31:22,580 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-14 03:31:22,779 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-14 03:31:22,999 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-14 03:31:23,860 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-14 03:31:24,680 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-14 03:31:25,575 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-14 03:31:26,710 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-14 03:31:27,184 WARN L205 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-14 03:31:27,965 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-14 03:31:28,914 WARN L205 SmtUtils]: Spent 945.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-14 03:31:30,106 WARN L205 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-14 03:31:31,365 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-14 03:31:33,206 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-14 03:31:35,715 WARN L205 SmtUtils]: Spent 2.50 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-14 03:31:36,508 WARN L205 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-14 03:31:36,875 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-14 03:31:37,170 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-14 03:31:38,365 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-14 03:31:39,244 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-14 03:31:39,513 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-14 03:31:39,904 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-14 03:31:40,599 WARN L205 SmtUtils]: Spent 691.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-14 03:31:41,629 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-14 03:31:41,808 WARN L205 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-14 03:31:42,524 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-14 03:31:42,698 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-14 03:31:42,975 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-14 03:31:44,228 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-14 03:31:46,058 WARN L205 SmtUtils]: Spent 1.82 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-14 03:31:50,834 WARN L205 SmtUtils]: Spent 4.77 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-14 03:31:57,400 WARN L205 SmtUtils]: Spent 6.56 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-14 03:32:04,796 WARN L205 SmtUtils]: Spent 7.38 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-14 03:32:05,461 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-14 03:32:06,167 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-14 03:32:06,343 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-14 03:32:07,111 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-14 03:32:08,047 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-14 03:32:08,198 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-14 03:32:08,428 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-14 03:32:08,721 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-14 03:32:09,092 WARN L205 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-14 03:32:09,546 WARN L205 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-14 03:32:10,085 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-14 03:32:11,330 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-14 03:32:11,588 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-14 03:32:11,914 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-14 03:32:12,379 WARN L205 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-14 03:32:12,902 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-14 03:32:13,549 WARN L205 SmtUtils]: Spent 643.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-14 03:32:14,835 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-14 03:32:15,733 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-14 03:32:15,898 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-14 03:32:16,141 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-14 03:32:16,462 WARN L205 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-14 03:32:16,647 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-14 03:32:17,291 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-14 03:32:17,507 WARN L205 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-14 03:32:17,793 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-14 03:32:18,478 WARN L205 SmtUtils]: Spent 682.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-14 03:32:19,551 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-14 03:32:22,021 WARN L205 SmtUtils]: Spent 2.46 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-14 03:32:25,210 WARN L205 SmtUtils]: Spent 3.18 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-14 03:32:25,347 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-14 03:32:25,954 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-14 03:32:26,140 WARN L205 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-14 03:32:26,746 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-14 03:32:27,085 WARN L205 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-14 03:32:28,099 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-14 03:32:28,240 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-14 03:32:28,444 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-14 03:32:28,742 WARN L205 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-14 03:32:29,143 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-14 03:32:29,987 WARN L205 SmtUtils]: Spent 839.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-14 03:32:31,130 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-14 03:32:32,350 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-14 03:32:32,573 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-14 03:32:32,850 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-14 03:32:33,207 WARN L205 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-14 03:32:34,917 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-14 03:32:40,050 WARN L205 SmtUtils]: Spent 5.13 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-14 03:32:45,836 WARN L205 SmtUtils]: Spent 5.77 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-14 03:33:00,314 WARN L205 SmtUtils]: Spent 14.46 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-14 03:33:28,071 WARN L205 SmtUtils]: Spent 27.73 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-14 03:33:29,097 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-14 03:33:29,274 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-14 03:34:00,276 WARN L205 SmtUtils]: Spent 30.99 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-14 03:34:37,222 WARN L205 SmtUtils]: Spent 36.90 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-14 03:34:38,329 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-14 03:34:38,530 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-14 03:34:38,769 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-14 03:35:17,957 WARN L205 SmtUtils]: Spent 39.17 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-14 03:35:57,381 WARN L205 SmtUtils]: Spent 39.37 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-14 03:36:42,823 WARN L205 SmtUtils]: Spent 45.38 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-14 03:36:46,330 WARN L205 SmtUtils]: Spent 3.45 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-14 03:36:46,490 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-14 03:36:47,913 WARN L205 SmtUtils]: Spent 882.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-14 03:36:51,416 WARN L205 SmtUtils]: Spent 2.87 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-14 03:36:51,564 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-14 03:36:51,706 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-14 03:36:52,821 WARN L205 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-14 03:36:53,500 WARN L205 SmtUtils]: Spent 672.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-14 03:36:54,425 WARN L205 SmtUtils]: Spent 919.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-14 03:36:55,193 WARN L205 SmtUtils]: Spent 761.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-14 03:36:55,530 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-14 03:36:56,250 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-14 03:36:56,427 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-14 03:36:56,813 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-14 03:36:57,145 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-14 03:36:57,561 WARN L205 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-14 03:36:59,101 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-14 03:36:59,414 WARN L205 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-14 03:37:00,207 WARN L205 SmtUtils]: Spent 789.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-14 03:37:01,244 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-14 03:37:02,649 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-14 03:37:03,541 WARN L205 SmtUtils]: Spent 884.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-14 03:37:04,619 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-14 03:37:04,903 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-14 03:37:05,606 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-14 03:37:05,820 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-14 03:37:06,168 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-14 03:37:06,408 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-14 03:37:07,109 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-14 03:37:07,276 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-14 03:37:08,099 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-14 03:37:08,277 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-14 03:37:08,671 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-14 03:37:09,583 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-14 03:37:10,082 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-14 03:37:10,369 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-14 03:37:11,154 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-14 03:37:12,148 WARN L205 SmtUtils]: Spent 991.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-14 03:37:13,437 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-14 03:37:15,103 WARN L205 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-14 03:37:17,253 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-14 03:37:19,963 WARN L205 SmtUtils]: Spent 2.70 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-14 03:37:24,444 WARN L205 SmtUtils]: Spent 4.47 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-14 03:37:30,558 WARN L205 SmtUtils]: Spent 6.11 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-14 03:37:30,956 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-14 03:37:31,151 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-14 03:37:31,370 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-14 03:37:31,704 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-14 03:37:33,254 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-14 03:37:33,466 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-14 03:37:33,703 WARN L205 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-14 03:37:34,083 WARN L205 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-14 03:37:34,599 WARN L205 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-14 03:37:34,722 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-14 03:37:34,876 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-14 03:37:36,108 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-14 03:37:36,274 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-14 03:37:36,469 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-14 03:37:36,753 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-14 03:37:37,147 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-14 03:37:38,300 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-14 03:37:39,501 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-14 03:37:40,902 WARN L205 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-14 03:37:42,774 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-14 03:37:43,005 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-14 03:37:43,249 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 03:37:43,425 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 03:37:43,601 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-14 03:37:44,713 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-14 03:37:44,909 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-14 03:37:45,155 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-14 03:37:45,491 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-14 03:37:45,960 WARN L205 SmtUtils]: Spent 466.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-14 03:37:46,133 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-14 03:37:46,312 WARN L205 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-14 03:37:47,424 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-14 03:37:47,595 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-14 03:37:47,851 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-14 03:37:48,226 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-14 03:37:49,196 WARN L205 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-14 03:37:50,481 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-14 03:37:53,734 WARN L205 SmtUtils]: Spent 3.25 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-14 03:38:03,048 WARN L205 SmtUtils]: Spent 9.30 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-14 03:38:13,883 WARN L205 SmtUtils]: Spent 10.46 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-14 03:38:26,429 WARN L205 SmtUtils]: Spent 12.53 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-14 03:38:39,281 WARN L205 SmtUtils]: Spent 12.83 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-14 03:38:52,211 WARN L205 SmtUtils]: Spent 12.91 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-14 03:39:07,150 WARN L205 SmtUtils]: Spent 14.92 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-14 03:40:09,920 WARN L205 SmtUtils]: Spent 1.05 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-14 03:41:20,448 WARN L205 SmtUtils]: Spent 1.17 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-14 03:42:29,191 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown