/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-4.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 01:21:41,221 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 01:21:41,223 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 01:21:41,251 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 01:21:41,252 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 01:21:41,254 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 01:21:41,255 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 01:21:41,259 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 01:21:41,260 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 01:21:41,264 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 01:21:41,264 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 01:21:41,265 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 01:21:41,265 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 01:21:41,267 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 01:21:41,268 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 01:21:41,269 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 01:21:41,269 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 01:21:41,271 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 01:21:41,273 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 01:21:41,276 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 01:21:41,278 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 01:21:41,279 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 01:21:41,280 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 01:21:41,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 01:21:41,286 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 01:21:41,286 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 01:21:41,286 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 01:21:41,287 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 01:21:41,287 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 01:21:41,287 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 01:21:41,288 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 01:21:41,288 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 01:21:41,289 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 01:21:41,290 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 01:21:41,290 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 01:21:41,290 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 01:21:41,291 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 01:21:41,291 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 01:21:41,291 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 01:21:41,291 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 01:21:41,292 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 01:21:41,295 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 [2021-07-10 01:21:41,323 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 01:21:41,323 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 01:21:41,323 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 01:21:41,323 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 01:21:41,325 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 01:21:41,339 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 01:21:41,339 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 01:21:41,339 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 01:21:41,339 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 01:21:41,339 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 01:21:41,340 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 01:21:41,340 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 01:21:41,340 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 01:21:41,340 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 01:21:41,340 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 01:21:41,340 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 01:21:41,341 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:21:41,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 01:21:41,341 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-10 01:21:41,342 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 01:21:41,559 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 01:21:41,581 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 01:21:41,583 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 01:21:41,583 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-10 01:21:41,585 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-10 01:21:41,585 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl [2021-07-10 01:21:41,585 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-4.wvr.bpl' [2021-07-10 01:21:41,601 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 01:21:41,602 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-10 01:21:41,603 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 01:21:41,603 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 01:21:41,603 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 01:21:41,611 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,616 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,621 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 01:21:41,622 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 01:21:41,622 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 01:21:41,622 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 01:21:41,627 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,628 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,628 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,630 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,632 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... [2021-07-10 01:21:41,633 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 01:21:41,633 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 01:21:41,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 01:21:41,634 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 01:21:41,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 01:21:41,687 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-10 01:21:41,687 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 01:21:41,687 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 01:21:41,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-10 01:21:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 01:21:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 01:21:41,688 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-10 01:21:41,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 01:21:41,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 01:21:41,689 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 01:21:41,922 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 01:21:41,929 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-10 01:21:41,930 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-10 01:21:41,939 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread2EXIT is neither atomic block end nor error location. [2021-07-10 01:21:41,940 INFO L202 PluginConnector]: Adding new model unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:21:41 BoogieIcfgContainer [2021-07-10 01:21:41,940 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 01:21:41,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 01:21:41,943 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 01:21:41,944 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 01:21:41,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.07 01:21:41" (1/2) ... [2021-07-10 01:21:41,945 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dc36872 and model type unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 01:21:41, skipping insertion in model container [2021-07-10 01:21:41,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-4.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 01:21:41" (2/2) ... [2021-07-10 01:21:41,946 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-4.wvr.bpl [2021-07-10 01:21:41,950 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 01:21:41,950 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 01:21:41,950 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 01:21:41,950 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 01:21:41,974 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-10 01:21:41,989 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 [2021-07-10 01:21:42,039 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 01:21:42,039 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 01:21:42,039 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 01:21:42,039 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 01:21:42,040 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 01:21:42,040 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 01:21:42,040 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 01:21:42,040 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 01:21:42,081 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:42,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:42,088 INFO L82 PathProgramCache]: Analyzing trace with hash 327878231, now seen corresponding path program 1 times [2021-07-10 01:21:42,095 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:42,095 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601793469] [2021-07-10 01:21:42,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:42,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:42,201 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:42,202 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:42,202 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601793469] [2021-07-10 01:21:42,203 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601793469] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-10 01:21:42,203 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-10 01:21:42,203 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-07-10 01:21:42,203 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1335684842] [2021-07-10 01:21:42,206 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-10 01:21:42,206 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:42,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-10 01:21:42,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-10 01:21:42,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:42,222 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:42,237 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) [2021-07-10 01:21:42,237 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:42,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:42,254 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 01:21:42,254 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:42,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:42,256 INFO L82 PathProgramCache]: Analyzing trace with hash 652599305, now seen corresponding path program 1 times [2021-07-10 01:21:42,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:42,257 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [946652839] [2021-07-10 01:21:42,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:42,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:42,321 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:42,321 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:42,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [946652839] [2021-07-10 01:21:42,322 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [946652839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:42,322 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [953931711] [2021-07-10 01:21:42,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:42,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:42,364 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 3 conjunts are in the unsatisfiable core [2021-07-10 01:21:42,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:42,428 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:42,428 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [953931711] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:42,428 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:42,429 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 4 [2021-07-10 01:21:42,429 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [745944806] [2021-07-10 01:21:42,430 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-10 01:21:42,430 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:42,430 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-10 01:21:42,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-07-10 01:21:42,430 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:42,430 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:42,430 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) [2021-07-10 01:21:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:42,431 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:42,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:42,671 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:42,672 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:42,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:42,672 INFO L82 PathProgramCache]: Analyzing trace with hash -1221187306, now seen corresponding path program 1 times [2021-07-10 01:21:42,672 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:42,673 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [465069755] [2021-07-10 01:21:42,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:42,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:42,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:21:42,704 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:42,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [465069755] [2021-07-10 01:21:42,704 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [465069755] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:42,704 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1584834087] [2021-07-10 01:21:42,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:42,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-10 01:21:42,733 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:42,763 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:21:42,763 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1584834087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:42,763 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:42,764 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 3 [2021-07-10 01:21:42,764 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1002693429] [2021-07-10 01:21:42,764 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-10 01:21:42,764 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:42,765 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-10 01:21:42,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-07-10 01:21:42,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:42,765 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:42,765 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) [2021-07-10 01:21:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:42,765 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:42,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:42,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:42,992 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:42,993 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:42,993 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:42,993 INFO L82 PathProgramCache]: Analyzing trace with hash 1598119496, now seen corresponding path program 2 times [2021-07-10 01:21:42,994 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:42,994 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1144121102] [2021-07-10 01:21:42,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:43,062 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:21:43,062 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:43,062 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1144121102] [2021-07-10 01:21:43,062 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1144121102] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:43,063 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1300816929] [2021-07-10 01:21:43,063 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 [2021-07-10 01:21:43,099 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:21:43,099 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:43,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-10 01:21:43,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:43,177 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:21:43,178 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1300816929] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:43,178 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:43,178 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 5 [2021-07-10 01:21:43,178 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130632278] [2021-07-10 01:21:43,178 INFO L462 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-07-10 01:21:43,178 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:43,179 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-07-10 01:21:43,179 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-07-10 01:21:43,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:43,179 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:43,179 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 6 states, 6 states have (on average 2.3333333333333335) internal successors, (14), 5 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) [2021-07-10 01:21:43,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:43,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,179 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:43,416 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:43,417 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:43,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:43,417 INFO L82 PathProgramCache]: Analyzing trace with hash -1197682858, now seen corresponding path program 3 times [2021-07-10 01:21:43,417 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:43,417 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [118613760] [2021-07-10 01:21:43,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:43,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:43,473 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:21:43,474 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:43,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [118613760] [2021-07-10 01:21:43,474 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [118613760] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:43,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [454331178] [2021-07-10 01:21:43,474 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 [2021-07-10 01:21:43,498 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-10 01:21:43,498 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:43,498 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 10 conjunts are in the unsatisfiable core [2021-07-10 01:21:43,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:43,557 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-10 01:21:43,558 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [454331178] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:43,558 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:43,558 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-10 01:21:43,558 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514936310] [2021-07-10 01:21:43,558 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-10 01:21:43,558 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:43,559 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-10 01:21:43,559 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2021-07-10 01:21:43,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:43,559 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:43,560 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:43,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:43,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:43,560 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:43,606 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:43,823 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:43,823 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:43,824 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:43,824 INFO L82 PathProgramCache]: Analyzing trace with hash -1968209912, now seen corresponding path program 4 times [2021-07-10 01:21:43,824 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:43,824 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699058706] [2021-07-10 01:21:43,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:43,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:43,873 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:43,873 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:43,873 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1699058706] [2021-07-10 01:21:43,873 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1699058706] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:43,874 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73868467] [2021-07-10 01:21:43,874 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 [2021-07-10 01:21:43,914 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:21:43,914 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:43,916 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 01:21:43,917 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:44,063 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:21:44,064 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-10 01:21:44,116 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:21:44,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:21:44,118 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:21:44,118 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-10 01:21:44,127 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:44,127 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73868467] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:44,127 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:44,127 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 7] total 11 [2021-07-10 01:21:44,127 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1818065193] [2021-07-10 01:21:44,128 INFO L462 AbstractCegarLoop]: Interpolant automaton has 12 states [2021-07-10 01:21:44,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:44,128 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2021-07-10 01:21:44,128 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=106, Unknown=0, NotChecked=0, Total=132 [2021-07-10 01:21:44,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:44,128 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:44,129 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 12 states, 12 states have (on average 1.9166666666666667) internal successors, (23), 11 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:44,129 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:44,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:44,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:44,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:44,409 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:44,409 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:44,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:44,410 INFO L82 PathProgramCache]: Analyzing trace with hash -84744810, now seen corresponding path program 5 times [2021-07-10 01:21:44,410 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:44,411 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496920192] [2021-07-10 01:21:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:44,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:44,473 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 6 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:44,473 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:44,473 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496920192] [2021-07-10 01:21:44,473 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496920192] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:44,474 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1835998839] [2021-07-10 01:21:44,474 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 [2021-07-10 01:21:44,503 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-10 01:21:44,503 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:44,503 INFO L263 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-10 01:21:44,504 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:44,572 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 10 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:44,572 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1835998839] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:44,572 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:44,572 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 9 [2021-07-10 01:21:44,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1188780499] [2021-07-10 01:21:44,574 INFO L462 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-07-10 01:21:44,574 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:44,578 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-07-10 01:21:44,578 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2021-07-10 01:21:44,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:44,578 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:44,578 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 1.9) internal successors, (19), 9 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) [2021-07-10 01:21:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:44,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:44,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:44,579 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:44,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:44,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:44,881 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-10 01:21:44,881 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:44,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:44,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1690948905, now seen corresponding path program 6 times [2021-07-10 01:21:44,881 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:44,881 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878687910] [2021-07-10 01:21:44,882 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:44,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:44,948 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:21:44,948 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:44,948 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878687910] [2021-07-10 01:21:44,948 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [878687910] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:44,949 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1496325740] [2021-07-10 01:21:44,949 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 [2021-07-10 01:21:44,974 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 4 check-sat command(s) [2021-07-10 01:21:44,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:44,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 14 conjunts are in the unsatisfiable core [2021-07-10 01:21:44,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:45,041 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:21:45,042 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1496325740] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:45,042 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:45,042 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2021-07-10 01:21:45,042 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1507782645] [2021-07-10 01:21:45,042 INFO L462 AbstractCegarLoop]: Interpolant automaton has 13 states [2021-07-10 01:21:45,042 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:45,043 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2021-07-10 01:21:45,043 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2021-07-10 01:21:45,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:45,043 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:45,043 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 13 states, 13 states have (on average 1.6153846153846154) internal successors, (21), 12 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:45,043 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:45,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:45,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:45,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:45,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:45,364 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-10 01:21:45,365 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:45,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:45,365 INFO L82 PathProgramCache]: Analyzing trace with hash -775286985, now seen corresponding path program 7 times [2021-07-10 01:21:45,366 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:45,366 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060241078] [2021-07-10 01:21:45,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:45,462 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:21:45,462 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:45,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060241078] [2021-07-10 01:21:45,462 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2060241078] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:45,462 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [449284275] [2021-07-10 01:21:45,463 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 [2021-07-10 01:21:45,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:45,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-10 01:21:45,498 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:45,570 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:21:45,570 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [449284275] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:45,571 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:45,571 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 13 [2021-07-10 01:21:45,573 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862868795] [2021-07-10 01:21:45,573 INFO L462 AbstractCegarLoop]: Interpolant automaton has 14 states [2021-07-10 01:21:45,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:45,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2021-07-10 01:21:45,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2021-07-10 01:21:45,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:45,574 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:45,574 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 14 states, 14 states have (on average 1.5714285714285714) internal successors, (22), 13 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:45,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:45,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,574 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:45,575 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:45,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:45,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:45,908 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-07-10 01:21:45,909 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:45,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:45,909 INFO L82 PathProgramCache]: Analyzing trace with hash 80811753, now seen corresponding path program 8 times [2021-07-10 01:21:45,909 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:45,909 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975890182] [2021-07-10 01:21:45,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:45,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:45,994 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:21:45,994 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:45,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975890182] [2021-07-10 01:21:45,994 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975890182] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:45,994 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773095510] [2021-07-10 01:21:45,994 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 [2021-07-10 01:21:46,033 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:21:46,033 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:46,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 17 conjunts are in the unsatisfiable core [2021-07-10 01:21:46,034 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:46,122 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-10 01:21:46,122 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773095510] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:46,123 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:46,123 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 15 [2021-07-10 01:21:46,123 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1952232778] [2021-07-10 01:21:46,123 INFO L462 AbstractCegarLoop]: Interpolant automaton has 16 states [2021-07-10 01:21:46,123 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:46,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2021-07-10 01:21:46,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2021-07-10 01:21:46,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:46,139 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:46,139 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 16 states, 16 states have (on average 1.5) internal successors, (24), 15 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:46,139 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:46,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:46,280 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:46,492 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-10 01:21:46,493 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:46,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:46,493 INFO L82 PathProgramCache]: Analyzing trace with hash 850068855, now seen corresponding path program 9 times [2021-07-10 01:21:46,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:46,494 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873558920] [2021-07-10 01:21:46,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:46,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:46,556 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:46,556 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:46,556 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [873558920] [2021-07-10 01:21:46,556 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [873558920] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:46,557 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [312830752] [2021-07-10 01:21:46,557 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 [2021-07-10 01:21:46,584 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-10 01:21:46,584 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:46,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 01:21:46,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:46,832 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:21:46,832 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-10 01:21:47,626 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 266 [2021-07-10 01:21:47,820 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 321 DAG size of output: 274 [2021-07-10 01:21:49,205 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-10 01:21:49,206 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:21:49,206 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-10 01:21:49,206 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-10 01:21:49,211 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:49,211 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [312830752] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:49,212 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:49,212 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 12] total 20 [2021-07-10 01:21:49,212 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000693715] [2021-07-10 01:21:49,212 INFO L462 AbstractCegarLoop]: Interpolant automaton has 21 states [2021-07-10 01:21:49,212 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:49,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2021-07-10 01:21:49,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=371, Unknown=0, NotChecked=0, Total=420 [2021-07-10 01:21:49,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:49,213 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:49,213 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 21 states, 21 states have (on average 1.5714285714285714) internal successors, (33), 20 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:49,213 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:49,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:49,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:49,540 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-07-10 01:21:49,541 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:49,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:49,541 INFO L82 PathProgramCache]: Analyzing trace with hash -1072764759, now seen corresponding path program 10 times [2021-07-10 01:21:49,541 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:49,541 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [860522156] [2021-07-10 01:21:49,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:49,625 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:49,625 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:49,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [860522156] [2021-07-10 01:21:49,625 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [860522156] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:49,625 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [154911780] [2021-07-10 01:21:49,626 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 [2021-07-10 01:21:49,676 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-10 01:21:49,676 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:49,677 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-10 01:21:49,685 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:49,735 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:49,735 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [154911780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:49,735 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:49,735 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-10 01:21:49,735 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283480704] [2021-07-10 01:21:49,735 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-10 01:21:49,736 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:49,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-10 01:21:49,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-10 01:21:49,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:49,736 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:49,736 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6) internal successors, (24), 14 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:49,736 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:49,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:49,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:49,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:49,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:49,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:49,737 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:49,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:49,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:21:50,120 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable313,13 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:50,121 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:50,121 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:50,121 INFO L82 PathProgramCache]: Analyzing trace with hash 1127101558, now seen corresponding path program 11 times [2021-07-10 01:21:50,121 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:50,121 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2142514189] [2021-07-10 01:21:50,121 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:50,227 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 01:21:50,227 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:50,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2142514189] [2021-07-10 01:21:50,227 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2142514189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:50,227 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [657253349] [2021-07-10 01:21:50,227 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:50,268 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-10 01:21:50,269 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:50,269 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 21 conjunts are in the unsatisfiable core [2021-07-10 01:21:50,270 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:50,389 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 01:21:50,390 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [657253349] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:50,390 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:50,390 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11] total 19 [2021-07-10 01:21:50,390 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233250763] [2021-07-10 01:21:50,390 INFO L462 AbstractCegarLoop]: Interpolant automaton has 20 states [2021-07-10 01:21:50,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:50,390 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2021-07-10 01:21:50,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=335, Unknown=0, NotChecked=0, Total=380 [2021-07-10 01:21:50,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:50,391 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:50,391 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 20 states, 20 states have (on average 1.4) internal successors, (28), 19 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) [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:21:50,391 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:50,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:21:50,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:21:50,960 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable314 [2021-07-10 01:21:50,961 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:50,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:50,961 INFO L82 PathProgramCache]: Analyzing trace with hash 119935784, now seen corresponding path program 12 times [2021-07-10 01:21:50,961 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:50,961 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816045195] [2021-07-10 01:21:50,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:51,106 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 55 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 01:21:51,106 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:51,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816045195] [2021-07-10 01:21:51,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816045195] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:51,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955223720] [2021-07-10 01:21:51,106 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:51,144 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-07-10 01:21:51,144 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:51,145 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 27 conjunts are in the unsatisfiable core [2021-07-10 01:21:51,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:51,404 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 6 proven. 55 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:51,404 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955223720] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:51,404 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:51,404 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 15] total 26 [2021-07-10 01:21:51,404 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985857560] [2021-07-10 01:21:51,405 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-10 01:21:51,405 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:51,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-10 01:21:51,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=638, Unknown=0, NotChecked=0, Total=702 [2021-07-10 01:21:51,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:51,405 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:51,405 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 26 states have internal predecessors, (37), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:51,405 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:21:51,406 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:52,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:21:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:21:52,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:21:52,238 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable315,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:52,238 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:52,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:52,239 INFO L82 PathProgramCache]: Analyzing trace with hash -1037432138, now seen corresponding path program 13 times [2021-07-10 01:21:52,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:52,239 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [281001586] [2021-07-10 01:21:52,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:52,440 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 01:21:52,440 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:52,440 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [281001586] [2021-07-10 01:21:52,441 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [281001586] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:52,441 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1420741138] [2021-07-10 01:21:52,441 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:52,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:52,497 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-10 01:21:52,499 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:52,722 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 66 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-10 01:21:52,723 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1420741138] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:52,723 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-10 01:21:52,723 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 23 [2021-07-10 01:21:52,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [59826247] [2021-07-10 01:21:52,724 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-10 01:21:52,724 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-10 01:21:52,724 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-10 01:21:52,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=493, Unknown=0, NotChecked=0, Total=552 [2021-07-10 01:21:52,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:52,724 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-10 01:21:52,725 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 1.3333333333333333) internal successors, (32), 23 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:21:52,725 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-10 01:21:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-10 01:21:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-10 01:21:53,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2021-07-10 01:21:53,136 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-10 01:21:53,344 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable316 [2021-07-10 01:21:53,345 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-10 01:21:53,345 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 01:21:53,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1738867944, now seen corresponding path program 14 times [2021-07-10 01:21:53,345 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 01:21:53,345 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1696255503] [2021-07-10 01:21:53,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 01:21:53,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-10 01:21:53,452 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-10 01:21:53,452 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-10 01:21:53,452 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1696255503] [2021-07-10 01:21:53,452 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1696255503] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-10 01:21:53,453 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [825650388] [2021-07-10 01:21:53,453 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-10 01:21:53,491 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-10 01:21:53,491 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-10 01:21:53,491 INFO L263 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 37 conjunts are in the unsatisfiable core [2021-07-10 01:21:53,492 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-10 01:21:54,070 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 289 [2021-07-10 01:21:54,070 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-10 01:21:54,070 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 [2021-07-10 01:21:54,865 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 380 [2021-07-10 01:21:55,036 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 383 [2021-07-10 01:21:56,263 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 513 [2021-07-10 01:21:56,505 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 516 [2021-07-10 01:21:56,949 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 913 DAG size of output: 757 [2021-07-10 01:21:57,516 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 938 DAG size of output: 782 [2021-07-10 01:21:58,296 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 453 DAG size of output: 397 [2021-07-10 01:21:58,473 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 432 [2021-07-10 01:21:58,682 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 497 DAG size of output: 439 [2021-07-10 01:21:59,357 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 414 DAG size of output: 387 [2021-07-10 01:21:59,974 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 407 DAG size of output: 392 [2021-07-10 01:22:00,253 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 718 DAG size of output: 687 [2021-07-10 01:22:00,598 WARN L205 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 751 DAG size of output: 720 [2021-07-10 01:22:01,021 WARN L205 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 760 DAG size of output: 727 [2021-07-10 01:22:01,743 WARN L205 SmtUtils]: Spent 718.00 ms on a formula simplification. DAG size of input: 1118 DAG size of output: 985 [2021-07-10 01:22:02,583 WARN L205 SmtUtils]: Spent 834.00 ms on a formula simplification. DAG size of input: 1140 DAG size of output: 1008 [2021-07-10 01:22:04,061 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1924 DAG size of output: 1536 [2021-07-10 01:22:05,093 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 483 [2021-07-10 01:22:05,299 WARN L205 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 486 [2021-07-10 01:22:06,064 WARN L205 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 417 DAG size of output: 347 [2021-07-10 01:22:06,439 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 867 DAG size of output: 711 [2021-07-10 01:22:06,899 WARN L205 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 893 DAG size of output: 737 [2021-07-10 01:22:07,626 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 427 DAG size of output: 367 [2021-07-10 01:22:07,771 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 402 [2021-07-10 01:22:07,960 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 470 DAG size of output: 408 [2021-07-10 01:22:09,086 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 363 [2021-07-10 01:22:09,324 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 691 DAG size of output: 657 [2021-07-10 01:22:09,620 WARN L205 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 690 [2021-07-10 01:22:09,986 WARN L205 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 732 DAG size of output: 696 [2021-07-10 01:22:10,606 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 1082 DAG size of output: 940 [2021-07-10 01:22:11,333 WARN L205 SmtUtils]: Spent 721.00 ms on a formula simplification. DAG size of input: 1105 DAG size of output: 964 [2021-07-10 01:22:12,641 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1466 [2021-07-10 01:22:15,873 WARN L205 SmtUtils]: Spent 3.22 s on a formula simplification. DAG size of input: 3619 DAG size of output: 2834 [2021-07-10 01:22:19,627 WARN L205 SmtUtils]: Spent 3.74 s on a formula simplification. DAG size of input: 3664 DAG size of output: 2879 [2021-07-10 01:22:23,906 WARN L205 SmtUtils]: Spent 4.26 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 01:22:28,153 WARN L205 SmtUtils]: Spent 4.23 s on a formula simplification. DAG size of input: 3688 DAG size of output: 2903 [2021-07-10 01:22:33,237 WARN L205 SmtUtils]: Spent 5.07 s on a formula simplification. DAG size of input: 3707 DAG size of output: 2922 [2021-07-10 01:22:37,955 WARN L205 SmtUtils]: Spent 4.70 s on a formula simplification. DAG size of input: 2924 DAG size of output: 2915 [2021-07-10 01:22:43,058 WARN L205 SmtUtils]: Spent 5.08 s on a formula simplification. DAG size of input: 2912 DAG size of output: 3217 [2021-07-10 01:22:50,984 WARN L205 SmtUtils]: Spent 7.91 s on a formula simplification. DAG size of input: 2696 DAG size of output: 3553 [2021-07-10 01:22:51,149 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 2516 [2021-07-10 01:22:52,241 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 278 [2021-07-10 01:22:54,111 WARN L205 SmtUtils]: Spent 1.85 s on a formula simplification. DAG size of input: 2495 DAG size of output: 2494 [2021-07-10 01:23:00,528 WARN L205 SmtUtils]: Spent 6.40 s on a formula simplification. DAG size of input: 2493 DAG size of output: 3700 [2021-07-10 01:23:00,842 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 2169 DAG size of output: 2169 [2021-07-10 01:23:01,120 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 2126 DAG size of output: 2126 [2021-07-10 01:23:02,068 WARN L205 SmtUtils]: Spent 877.00 ms on a formula simplification. DAG size of input: 654 DAG size of output: 977 [2021-07-10 01:23:03,781 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 257 [2021-07-10 01:23:04,005 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 340 [2021-07-10 01:23:04,307 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 396 [2021-07-10 01:23:04,767 WARN L205 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 799 DAG size of output: 592 [2021-07-10 01:23:05,726 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 243 [2021-07-10 01:23:06,066 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 303 DAG size of output: 265 [2021-07-10 01:23:06,368 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 425 [2021-07-10 01:23:06,819 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 669 DAG size of output: 623 [2021-07-10 01:23:07,847 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 1090 DAG size of output: 844 [2021-07-10 01:23:09,141 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 322 [2021-07-10 01:23:09,419 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 350 [2021-07-10 01:23:10,350 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 285 [2021-07-10 01:23:10,593 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 430 DAG size of output: 391 [2021-07-10 01:23:10,905 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 514 DAG size of output: 449 [2021-07-10 01:23:11,786 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 238 [2021-07-10 01:23:11,982 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 360 [2021-07-10 01:23:12,243 WARN L205 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 396 [2021-07-10 01:23:12,577 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 455 [2021-07-10 01:23:13,344 WARN L205 SmtUtils]: Spent 764.00 ms on a formula simplification. DAG size of input: 762 DAG size of output: 659 [2021-07-10 01:23:14,302 WARN L205 SmtUtils]: Spent 860.00 ms on a formula simplification. DAG size of input: 827 DAG size of output: 710 [2021-07-10 01:23:15,155 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 245 [2021-07-10 01:23:15,326 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 326 DAG size of output: 305 [2021-07-10 01:23:15,551 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 438 DAG size of output: 409 [2021-07-10 01:23:15,853 WARN L205 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 526 DAG size of output: 472 [2021-07-10 01:23:16,816 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 258 DAG size of output: 221 [2021-07-10 01:23:16,963 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 275 [2021-07-10 01:23:17,170 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 374 [2021-07-10 01:23:17,444 WARN L205 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 490 DAG size of output: 411 [2021-07-10 01:23:17,791 WARN L205 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 571 DAG size of output: 475 [2021-07-10 01:23:18,508 WARN L205 SmtUtils]: Spent 714.00 ms on a formula simplification. DAG size of input: 831 DAG size of output: 714 [2021-07-10 01:23:20,308 WARN L205 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 1682 DAG size of output: 1237 [2021-07-10 01:23:23,257 WARN L205 SmtUtils]: Spent 2.94 s on a formula simplification. DAG size of input: 2518 DAG size of output: 1697 [2021-07-10 01:23:26,648 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 2537 DAG size of output: 1736 [2021-07-10 01:23:31,010 WARN L205 SmtUtils]: Spent 4.35 s on a formula simplification. DAG size of input: 2890 DAG size of output: 1831 [2021-07-10 01:23:32,096 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 700 DAG size of output: 1050 [2021-07-10 01:23:32,454 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 653 DAG size of output: 660 [2021-07-10 01:23:33,030 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 647 DAG size of output: 823 [2021-07-10 01:23:34,045 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 257 [2021-07-10 01:23:34,240 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 307 DAG size of output: 285 [2021-07-10 01:23:34,504 WARN L205 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 348 [2021-07-10 01:23:34,880 WARN L205 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 565 DAG size of output: 513 [2021-07-10 01:23:35,070 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 411 DAG size of output: 429 [2021-07-10 01:23:36,034 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 283 [2021-07-10 01:23:36,233 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 342 DAG size of output: 309 [2021-07-10 01:23:36,726 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 187 [2021-07-10 01:23:37,175 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 270 [2021-07-10 01:23:37,331 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 296 [2021-07-10 01:23:37,708 WARN L205 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 558 DAG size of output: 492 [2021-07-10 01:23:38,236 WARN L205 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 712 DAG size of output: 624 [2021-07-10 01:23:38,986 WARN L205 SmtUtils]: Spent 744.00 ms on a formula simplification. DAG size of input: 932 DAG size of output: 814 [2021-07-10 01:23:40,194 WARN L205 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 1338 DAG size of output: 1058 [2021-07-10 01:23:41,870 WARN L205 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 1723 DAG size of output: 1396 [2021-07-10 01:23:42,541 WARN L205 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 828 [2021-07-10 01:23:43,136 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 621 DAG size of output: 766 [2021-07-10 01:23:43,516 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 639 [2021-07-10 01:23:43,627 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 332 [2021-07-10 01:23:45,295 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 248 [2021-07-10 01:23:45,450 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 500 DAG size of output: 212 [2021-07-10 01:23:45,749 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 699 DAG size of output: 388 [2021-07-10 01:23:46,352 WARN L205 SmtUtils]: Spent 600.00 ms on a formula simplification. DAG size of input: 1073 DAG size of output: 707 [2021-07-10 01:23:47,285 WARN L205 SmtUtils]: Spent 928.00 ms on a formula simplification. DAG size of input: 1357 DAG size of output: 863 [2021-07-10 01:23:48,658 WARN L205 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 1729 DAG size of output: 1197 [2021-07-10 01:23:52,045 WARN L205 SmtUtils]: Spent 3.38 s on a formula simplification. DAG size of input: 2363 DAG size of output: 1672 [2021-07-10 01:23:55,932 WARN L205 SmtUtils]: Spent 3.88 s on a formula simplification. DAG size of input: 2424 DAG size of output: 1716 [2021-07-10 01:24:01,531 WARN L205 SmtUtils]: Spent 5.59 s on a formula simplification. DAG size of input: 2831 DAG size of output: 1844 [2021-07-10 01:24:12,531 WARN L205 SmtUtils]: Spent 10.99 s on a formula simplification. DAG size of input: 5382 DAG size of output: 3237 [2021-07-10 01:24:13,788 WARN L205 SmtUtils]: Spent 937.00 ms on a formula simplification. DAG size of input: 707 DAG size of output: 1000 [2021-07-10 01:24:14,352 WARN L205 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 712 [2021-07-10 01:24:15,129 WARN L205 SmtUtils]: Spent 771.00 ms on a formula simplification. DAG size of input: 683 DAG size of output: 877 [2021-07-10 01:24:15,616 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 652 DAG size of output: 729 [2021-07-10 01:24:16,415 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 262 [2021-07-10 01:24:16,611 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 300 [2021-07-10 01:24:16,833 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 374 [2021-07-10 01:24:17,691 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 229 [2021-07-10 01:24:18,520 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 449 DAG size of output: 344 [2021-07-10 01:24:19,436 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 334 [2021-07-10 01:24:20,503 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 369 [2021-07-10 01:24:20,929 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 560 [2021-07-10 01:24:21,720 WARN L205 SmtUtils]: Spent 787.00 ms on a formula simplification. DAG size of input: 902 DAG size of output: 726 [2021-07-10 01:24:22,693 WARN L205 SmtUtils]: Spent 967.00 ms on a formula simplification. DAG size of input: 962 DAG size of output: 768 [2021-07-10 01:24:23,906 WARN L205 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 1071 DAG size of output: 879 [2021-07-10 01:24:25,191 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 1304 DAG size of output: 904 [2021-07-10 01:24:27,067 WARN L205 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 1744 DAG size of output: 1304 [2021-07-10 01:24:29,618 WARN L205 SmtUtils]: Spent 2.54 s on a formula simplification. DAG size of input: 2015 DAG size of output: 1655 [2021-07-10 01:24:30,426 WARN L205 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 685 DAG size of output: 879 [2021-07-10 01:24:30,789 WARN L205 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 445 DAG size of output: 490 [2021-07-10 01:24:31,076 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 491 [2021-07-10 01:24:32,277 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 260 [2021-07-10 01:24:33,143 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 289 [2021-07-10 01:24:33,411 WARN L205 SmtUtils]: Spent 265.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 317 [2021-07-10 01:24:33,802 WARN L205 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 567 DAG size of output: 433 [2021-07-10 01:24:34,514 WARN L205 SmtUtils]: Spent 706.00 ms on a formula simplification. DAG size of input: 821 DAG size of output: 666 [2021-07-10 01:24:35,544 WARN L205 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 945 DAG size of output: 803 [2021-07-10 01:24:35,719 WARN L205 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 354 [2021-07-10 01:24:36,383 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 338 [2021-07-10 01:24:36,557 WARN L205 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 377 [2021-07-10 01:24:36,835 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 515 DAG size of output: 443 [2021-07-10 01:24:38,084 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 1314 DAG size of output: 1007 [2021-07-10 01:24:39,931 WARN L205 SmtUtils]: Spent 1.84 s on a formula simplification. DAG size of input: 1586 DAG size of output: 1355 [2021-07-10 01:24:44,741 WARN L205 SmtUtils]: Spent 4.80 s on a formula simplification. DAG size of input: 2617 DAG size of output: 2064 [2021-07-10 01:24:51,386 WARN L205 SmtUtils]: Spent 6.63 s on a formula simplification. DAG size of input: 2989 DAG size of output: 2220 [2021-07-10 01:24:58,804 WARN L205 SmtUtils]: Spent 7.41 s on a formula simplification. DAG size of input: 3049 DAG size of output: 2305 [2021-07-10 01:24:59,474 WARN L205 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 573 [2021-07-10 01:25:00,169 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 378 DAG size of output: 296 [2021-07-10 01:25:00,337 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 358 [2021-07-10 01:25:01,033 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 451 [2021-07-10 01:25:01,978 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 215 [2021-07-10 01:25:02,145 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 254 [2021-07-10 01:25:02,369 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 348 [2021-07-10 01:25:02,671 WARN L205 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 452 DAG size of output: 399 [2021-07-10 01:25:03,042 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 482 DAG size of output: 425 [2021-07-10 01:25:03,503 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 551 DAG size of output: 485 [2021-07-10 01:25:04,049 WARN L205 SmtUtils]: Spent 543.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 521 [2021-07-10 01:25:05,330 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 328 [2021-07-10 01:25:05,590 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 399 DAG size of output: 369 [2021-07-10 01:25:05,920 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2021-07-10 01:25:06,395 WARN L205 SmtUtils]: Spent 416.00 ms on a formula simplification. DAG size of input: 469 DAG size of output: 433 [2021-07-10 01:25:06,929 WARN L205 SmtUtils]: Spent 532.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 517 [2021-07-10 01:25:07,579 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 580 [2021-07-10 01:25:08,918 WARN L205 SmtUtils]: Spent 1.34 s on a formula simplification. DAG size of input: 978 DAG size of output: 863 [2021-07-10 01:25:09,817 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 202 [2021-07-10 01:25:09,975 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 278 DAG size of output: 256 [2021-07-10 01:25:10,234 WARN L205 SmtUtils]: Spent 257.00 ms on a formula simplification. DAG size of input: 425 DAG size of output: 384 [2021-07-10 01:25:10,564 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 484 DAG size of output: 442 [2021-07-10 01:25:10,758 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 292 [2021-07-10 01:25:11,162 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 278 [2021-07-10 01:25:11,388 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 363 DAG size of output: 328 [2021-07-10 01:25:11,617 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 435 DAG size of output: 391 [2021-07-10 01:25:11,899 WARN L205 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 496 DAG size of output: 450 [2021-07-10 01:25:12,599 WARN L205 SmtUtils]: Spent 697.00 ms on a formula simplification. DAG size of input: 702 DAG size of output: 639 [2021-07-10 01:25:13,705 WARN L205 SmtUtils]: Spent 883.00 ms on a formula simplification. DAG size of input: 800 DAG size of output: 715 [2021-07-10 01:25:16,188 WARN L205 SmtUtils]: Spent 2.48 s on a formula simplification. DAG size of input: 1872 DAG size of output: 1482 [2021-07-10 01:25:19,428 WARN L205 SmtUtils]: Spent 3.23 s on a formula simplification. DAG size of input: 2070 DAG size of output: 1568 [2021-07-10 01:25:19,568 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 361 [2021-07-10 01:25:20,160 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 345 DAG size of output: 344 [2021-07-10 01:25:20,359 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 368 DAG size of output: 367 [2021-07-10 01:25:20,980 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 269 DAG size of output: 246 [2021-07-10 01:25:21,327 WARN L205 SmtUtils]: Spent 345.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 486 [2021-07-10 01:25:22,359 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 243 [2021-07-10 01:25:22,503 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 266 [2021-07-10 01:25:22,701 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 381 DAG size of output: 324 [2021-07-10 01:25:22,989 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 525 DAG size of output: 457 [2021-07-10 01:25:23,397 WARN L205 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 617 DAG size of output: 599 [2021-07-10 01:25:24,242 WARN L205 SmtUtils]: Spent 840.00 ms on a formula simplification. DAG size of input: 870 DAG size of output: 817 [2021-07-10 01:25:25,417 WARN L205 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 1006 DAG size of output: 867 [2021-07-10 01:25:26,470 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 356 DAG size of output: 318 [2021-07-10 01:25:26,640 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 388 [2021-07-10 01:25:26,871 WARN L205 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 506 DAG size of output: 406 [2021-07-10 01:25:27,150 WARN L205 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 528 DAG size of output: 422 [2021-07-10 01:25:27,515 WARN L205 SmtUtils]: Spent 363.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 470 [2021-07-10 01:25:29,240 WARN L205 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 1433 DAG size of output: 1082 [2021-07-10 01:25:34,404 WARN L205 SmtUtils]: Spent 5.16 s on a formula simplification. DAG size of input: 2994 DAG size of output: 2129 [2021-07-10 01:25:40,210 WARN L205 SmtUtils]: Spent 5.79 s on a formula simplification. DAG size of input: 3038 DAG size of output: 2179 [2021-07-10 01:25:54,615 WARN L205 SmtUtils]: Spent 14.39 s on a formula simplification. DAG size of input: 5719 DAG size of output: 3928 [2021-07-10 01:26:22,254 WARN L205 SmtUtils]: Spent 27.61 s on a formula simplification. DAG size of input: 8989 DAG size of output: 5710 [2021-07-10 01:26:23,303 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 434 DAG size of output: 329 [2021-07-10 01:26:23,489 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 444 DAG size of output: 340 [2021-07-10 01:26:54,429 WARN L205 SmtUtils]: Spent 30.93 s on a formula simplification. DAG size of input: 9287 DAG size of output: 5929 [2021-07-10 01:27:31,306 WARN L205 SmtUtils]: Spent 36.83 s on a formula simplification. DAG size of input: 10982 DAG size of output: 7649 [2021-07-10 01:27:32,374 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 295 [2021-07-10 01:27:32,570 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 410 [2021-07-10 01:27:32,813 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 540 DAG size of output: 416 [2021-07-10 01:28:10,470 WARN L205 SmtUtils]: Spent 37.64 s on a formula simplification. DAG size of input: 11394 DAG size of output: 7943 [2021-07-10 01:28:48,919 WARN L205 SmtUtils]: Spent 38.40 s on a formula simplification. DAG size of input: 11649 DAG size of output: 8097 [2021-07-10 01:29:34,433 WARN L205 SmtUtils]: Spent 45.44 s on a formula simplification. DAG size of input: 12976 DAG size of output: 9218 [2021-07-10 01:29:37,936 WARN L205 SmtUtils]: Spent 3.46 s on a formula simplification. DAG size of input: 1243 DAG size of output: 1636 [2021-07-10 01:29:38,091 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 1238 DAG size of output: 1238 [2021-07-10 01:29:39,504 WARN L205 SmtUtils]: Spent 875.00 ms on a formula simplification. DAG size of input: 1217 DAG size of output: 1216 [2021-07-10 01:29:43,024 WARN L205 SmtUtils]: Spent 2.88 s on a formula simplification. DAG size of input: 1215 DAG size of output: 1779 [2021-07-10 01:29:43,173 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 1093 DAG size of output: 1093 [2021-07-10 01:29:43,315 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 1052 DAG size of output: 1052 [2021-07-10 01:29:44,419 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 686 DAG size of output: 991 [2021-07-10 01:29:45,113 WARN L205 SmtUtils]: Spent 685.00 ms on a formula simplification. DAG size of input: 682 DAG size of output: 739 [2021-07-10 01:29:46,042 WARN L205 SmtUtils]: Spent 923.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 766 [2021-07-10 01:29:46,802 WARN L205 SmtUtils]: Spent 753.00 ms on a formula simplification. DAG size of input: 676 DAG size of output: 791 [2021-07-10 01:29:47,139 WARN L205 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 398 DAG size of output: 441 [2021-07-10 01:29:47,833 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 258 [2021-07-10 01:29:48,003 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 298 DAG size of output: 291 [2021-07-10 01:29:48,383 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 348 [2021-07-10 01:29:48,721 WARN L205 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 579 DAG size of output: 453 [2021-07-10 01:29:49,145 WARN L205 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 477 [2021-07-10 01:29:50,705 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 543 DAG size of output: 417 [2021-07-10 01:29:51,034 WARN L205 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 561 DAG size of output: 435 [2021-07-10 01:29:51,843 WARN L205 SmtUtils]: Spent 805.00 ms on a formula simplification. DAG size of input: 1027 DAG size of output: 758 [2021-07-10 01:29:52,901 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1152 DAG size of output: 843 [2021-07-10 01:29:54,321 WARN L205 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 1254 DAG size of output: 1015 [2021-07-10 01:29:55,229 WARN L205 SmtUtils]: Spent 900.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 765 [2021-07-10 01:29:56,317 WARN L205 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 675 DAG size of output: 790 [2021-07-10 01:29:56,607 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 376 DAG size of output: 428 [2021-07-10 01:29:57,282 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 281 [2021-07-10 01:29:57,500 WARN L205 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 501 DAG size of output: 391 [2021-07-10 01:29:57,854 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 418 DAG size of output: 464 [2021-07-10 01:29:58,105 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 267 [2021-07-10 01:29:58,740 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 234 [2021-07-10 01:29:58,909 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 259 [2021-07-10 01:29:59,743 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 261 DAG size of output: 265 [2021-07-10 01:29:59,937 WARN L205 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 290 [2021-07-10 01:30:00,336 WARN L205 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 384 [2021-07-10 01:30:01,287 WARN L205 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 261 [2021-07-10 01:30:01,821 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 333 DAG size of output: 319 [2021-07-10 01:30:02,110 WARN L205 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 344 [2021-07-10 01:30:02,907 WARN L205 SmtUtils]: Spent 795.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 516 [2021-07-10 01:30:03,932 WARN L205 SmtUtils]: Spent 1.02 s on a formula simplification. DAG size of input: 592 DAG size of output: 578 [2021-07-10 01:30:05,238 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 819 DAG size of output: 697 [2021-07-10 01:30:06,968 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 1184 DAG size of output: 905 [2021-07-10 01:30:09,201 WARN L205 SmtUtils]: Spent 2.23 s on a formula simplification. DAG size of input: 1312 DAG size of output: 996 [2021-07-10 01:30:11,987 WARN L205 SmtUtils]: Spent 2.78 s on a formula simplification. DAG size of input: 1416 DAG size of output: 1170 [2021-07-10 01:30:16,578 WARN L205 SmtUtils]: Spent 4.58 s on a formula simplification. DAG size of input: 1833 DAG size of output: 1517 [2021-07-10 01:30:22,692 WARN L205 SmtUtils]: Spent 6.10 s on a formula simplification. DAG size of input: 2174 DAG size of output: 1614 [2021-07-10 01:30:23,097 WARN L205 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 409 DAG size of output: 546 [2021-07-10 01:30:23,293 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 384 DAG size of output: 391 [2021-07-10 01:30:23,503 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 417 [2021-07-10 01:30:23,838 WARN L205 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 455 [2021-07-10 01:30:25,396 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 216 [2021-07-10 01:30:25,578 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 382 DAG size of output: 246 [2021-07-10 01:30:25,823 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 330 [2021-07-10 01:30:26,216 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 656 DAG size of output: 454 [2021-07-10 01:30:26,743 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 836 DAG size of output: 572 [2021-07-10 01:30:26,866 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 273 DAG size of output: 304 [2021-07-10 01:30:27,025 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 323 [2021-07-10 01:30:28,271 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 162 [2021-07-10 01:30:28,432 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 220 [2021-07-10 01:30:28,631 WARN L205 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 387 DAG size of output: 247 [2021-07-10 01:30:28,923 WARN L205 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 486 DAG size of output: 336 [2021-07-10 01:30:29,300 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 614 DAG size of output: 404 [2021-07-10 01:30:29,865 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 290 [2021-07-10 01:30:30,454 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 847 DAG size of output: 578 [2021-07-10 01:30:31,708 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 933 DAG size of output: 641 [2021-07-10 01:30:33,132 WARN L205 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 960 DAG size of output: 668 [2021-07-10 01:30:35,051 WARN L205 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 1138 DAG size of output: 701 [2021-07-10 01:30:35,297 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 358 DAG size of output: 487 [2021-07-10 01:30:35,549 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 01:30:35,719 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 01:30:35,907 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 362 [2021-07-10 01:30:37,054 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 313 DAG size of output: 219 [2021-07-10 01:30:37,256 WARN L205 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 337 DAG size of output: 243 [2021-07-10 01:30:37,509 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 530 DAG size of output: 341 [2021-07-10 01:30:37,859 WARN L205 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 613 DAG size of output: 403 [2021-07-10 01:30:38,346 WARN L205 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 697 DAG size of output: 476 [2021-07-10 01:30:38,540 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 380 [2021-07-10 01:30:38,720 WARN L205 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 349 DAG size of output: 398 [2021-07-10 01:30:39,833 WARN L205 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 313 [2021-07-10 01:30:40,028 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 333 [2021-07-10 01:30:40,291 WARN L205 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 401 [2021-07-10 01:30:40,688 WARN L205 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 606 DAG size of output: 471 [2021-07-10 01:30:41,684 WARN L205 SmtUtils]: Spent 992.00 ms on a formula simplification. DAG size of input: 837 DAG size of output: 632 [2021-07-10 01:30:42,992 WARN L205 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 1009 DAG size of output: 667 [2021-07-10 01:30:46,273 WARN L205 SmtUtils]: Spent 3.28 s on a formula simplification. DAG size of input: 1961 DAG size of output: 1076 [2021-07-10 01:30:55,794 WARN L205 SmtUtils]: Spent 9.51 s on a formula simplification. DAG size of input: 3390 DAG size of output: 2173 [2021-07-10 01:31:06,726 WARN L205 SmtUtils]: Spent 10.57 s on a formula simplification. DAG size of input: 3507 DAG size of output: 2263 [2021-07-10 01:31:19,288 WARN L205 SmtUtils]: Spent 12.54 s on a formula simplification. DAG size of input: 4235 DAG size of output: 2787 [2021-07-10 01:31:32,005 WARN L205 SmtUtils]: Spent 12.70 s on a formula simplification. DAG size of input: 4456 DAG size of output: 2926 [2021-07-10 01:31:45,044 WARN L205 SmtUtils]: Spent 13.02 s on a formula simplification. DAG size of input: 4635 DAG size of output: 3051 [2021-07-10 01:31:59,950 WARN L205 SmtUtils]: Spent 14.88 s on a formula simplification. DAG size of input: 5120 DAG size of output: 3306 [2021-07-10 01:33:01,910 WARN L205 SmtUtils]: Spent 1.03 m on a formula simplification. DAG size of input: 16679 DAG size of output: 11341 [2021-07-10 01:34:10,271 WARN L205 SmtUtils]: Spent 1.14 m on a formula simplification. DAG size of input: 16692 DAG size of output: 11355 [2021-07-10 01:35:19,117 WARN L205 SmtUtils]: Spent 1.15 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