/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 07:03:26,234 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 07:03:26,235 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 07:03:26,265 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 07:03:26,266 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 07:03:26,266 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 07:03:26,267 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 07:03:26,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 07:03:26,270 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 07:03:26,271 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 07:03:26,271 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 07:03:26,272 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 07:03:26,273 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 07:03:26,273 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 07:03:26,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 07:03:26,275 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 07:03:26,275 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 07:03:26,276 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 07:03:26,277 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 07:03:26,278 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 07:03:26,279 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 07:03:26,280 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 07:03:26,281 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 07:03:26,281 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 07:03:26,283 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 07:03:26,283 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 07:03:26,283 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 07:03:26,284 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 07:03:26,284 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 07:03:26,285 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 07:03:26,285 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 07:03:26,285 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 07:03:26,286 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 07:03:26,286 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 07:03:26,287 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 07:03:26,287 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 07:03:26,288 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 07:03:26,288 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 07:03:26,288 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 07:03:26,289 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 07:03:26,289 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 07:03:26,291 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-Lockstep.epf [2021-07-14 07:03:26,307 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 07:03:26,307 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 07:03:26,307 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 07:03:26,308 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 07:03:26,308 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 07:03:26,308 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 07:03:26,309 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 07:03:26,309 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 07:03:26,310 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 07:03:26,310 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:03:26,310 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 07:03:26,311 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 07:03:26,548 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 07:03:26,576 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 07:03:26,578 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 07:03:26,579 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-14 07:03:26,582 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-14 07:03:26,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2021-07-14 07:03:26,583 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2021-07-14 07:03:26,617 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 07:03:26,618 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-14 07:03:26,621 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 07:03:26,621 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 07:03:26,621 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 07:03:26,630 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,636 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 07:03:26,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 07:03:26,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 07:03:26,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 07:03:26,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,650 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,650 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,659 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,660 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... [2021-07-14 07:03:26,664 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 07:03:26,666 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 07:03:26,666 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 07:03:26,667 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 07:03:26,668 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 07:03:26,756 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-14 07:03:26,756 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 07:03:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 07:03:26,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-14 07:03:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 07:03:26,757 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 07:03:26,757 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-14 07:03:26,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 07:03:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 07:03:26,758 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-07-14 07:03:26,758 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 07:03:26,758 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 07:03:26,759 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-07-14 07:03:26,759 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-07-14 07:03:26,759 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-07-14 07:03:26,759 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 07:03:26,999 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 07:03:27,000 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-07-14 07:03:27,001 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:03:27 BoogieIcfgContainer [2021-07-14 07:03:27,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 07:03:27,024 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 07:03:27,024 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 07:03:27,026 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 07:03:27,026 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 14.07 07:03:26" (1/2) ... [2021-07-14 07:03:27,027 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@48b2299e and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:03:27, skipping insertion in model container [2021-07-14 07:03:27,027 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:03:27" (2/2) ... [2021-07-14 07:03:27,028 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2021-07-14 07:03:27,032 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 07:03:27,032 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 07:03:27,032 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 07:03:27,032 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 07:03:27,090 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-07-14 07:03:27,105 INFO L255 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 07:03:27,154 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 07:03:27,154 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 07:03:27,154 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 07:03:27,154 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 07:03:27,155 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 07:03:27,155 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 07:03:27,155 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 07:03:27,155 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 07:03:27,342 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:27,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:27,350 INFO L82 PathProgramCache]: Analyzing trace with hash -2008756197, now seen corresponding path program 1 times [2021-07-14 07:03:27,355 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:27,356 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [666038735] [2021-07-14 07:03:27,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:27,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:27,515 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2021-07-14 07:03:27,516 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:27,516 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [666038735] [2021-07-14 07:03:27,517 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [666038735] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:03:27,517 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:03:27,517 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 07:03:27,517 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [111436558] [2021-07-14 07:03:27,528 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 07:03:27,528 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:27,538 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 07:03:27,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 07:03:27,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:27,540 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:27,542 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 14.0) internal successors, (42), 3 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:27,542 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:27,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:27,638 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 07:03:27,638 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:27,640 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:27,640 INFO L82 PathProgramCache]: Analyzing trace with hash 517752337, now seen corresponding path program 2 times [2021-07-14 07:03:27,641 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:27,641 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [190005175] [2021-07-14 07:03:27,641 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:27,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:27,703 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-07-14 07:03:27,703 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:27,703 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [190005175] [2021-07-14 07:03:27,703 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [190005175] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:03:27,704 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:03:27,704 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 07:03:27,704 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170243077] [2021-07-14 07:03:27,705 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 07:03:27,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:27,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 07:03:27,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 07:03:27,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:27,709 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:27,709 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:27,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:27,709 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:27,761 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:27,762 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:27,762 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-07-14 07:03:27,762 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:27,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:27,762 INFO L82 PathProgramCache]: Analyzing trace with hash 468882495, now seen corresponding path program 3 times [2021-07-14 07:03:27,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:27,763 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [905735112] [2021-07-14 07:03:27,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:27,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:27,887 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 31 proven. 7 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-07-14 07:03:27,887 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:27,887 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [905735112] [2021-07-14 07:03:27,887 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [905735112] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:27,888 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [637555852] [2021-07-14 07:03:27,888 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:27,931 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-14 07:03:27,931 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:27,932 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 4 conjunts are in the unsatisfiable core [2021-07-14 07:03:27,935 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:28,124 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2021-07-14 07:03:28,124 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [637555852] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:03:28,125 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-07-14 07:03:28,125 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2021-07-14 07:03:28,125 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550525076] [2021-07-14 07:03:28,125 INFO L462 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-07-14 07:03:28,125 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:28,126 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-07-14 07:03:28,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2021-07-14 07:03:28,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:28,126 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:28,126 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 8.25) internal successors, (33), 4 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) [2021-07-14 07:03:28,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,126 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:28,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,185 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:28,392 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:28,393 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:28,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:28,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1471520155, now seen corresponding path program 4 times [2021-07-14 07:03:28,394 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:28,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [50061820] [2021-07-14 07:03:28,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:28,431 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-07-14 07:03:28,432 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:28,432 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [50061820] [2021-07-14 07:03:28,432 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [50061820] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-14 07:03:28,432 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-14 07:03:28,432 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-07-14 07:03:28,432 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491948947] [2021-07-14 07:03:28,433 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-07-14 07:03:28,433 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:28,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-07-14 07:03:28,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-07-14 07:03:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:28,433 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:28,433 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.666666666666666) internal successors, (32), 3 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:28,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,433 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:28,434 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:28,458 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:28,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,459 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-07-14 07:03:28,459 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:28,459 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:28,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1599949023, now seen corresponding path program 5 times [2021-07-14 07:03:28,460 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:28,460 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [684171867] [2021-07-14 07:03:28,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:28,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:28,490 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 28 proven. 2 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2021-07-14 07:03:28,491 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:28,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [684171867] [2021-07-14 07:03:28,491 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [684171867] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:28,491 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1168974956] [2021-07-14 07:03:28,491 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:28,558 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 6 check-sat command(s) [2021-07-14 07:03:28,558 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:28,559 INFO L263 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 8 conjunts are in the unsatisfiable core [2021-07-14 07:03:28,560 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:28,685 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 16 proven. 25 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-07-14 07:03:28,686 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1168974956] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:28,686 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:28,686 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 7] total 10 [2021-07-14 07:03:28,686 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134829397] [2021-07-14 07:03:28,686 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-14 07:03:28,686 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:28,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-14 07:03:28,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-07-14 07:03:28,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:28,687 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:28,687 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 6.818181818181818) internal successors, (75), 10 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:28,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:28,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:28,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:29,061 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:29,280 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:29,280 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:29,281 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:29,281 INFO L82 PathProgramCache]: Analyzing trace with hash -661535954, now seen corresponding path program 6 times [2021-07-14 07:03:29,281 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:29,281 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1828917922] [2021-07-14 07:03:29,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:29,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:29,341 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 76 proven. 24 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-07-14 07:03:29,342 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:29,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1828917922] [2021-07-14 07:03:29,342 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1828917922] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:29,342 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2100929047] [2021-07-14 07:03:29,342 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 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:29,420 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 9 check-sat command(s) [2021-07-14 07:03:29,420 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:29,421 INFO L263 TraceCheckSpWp]: Trace formula consists of 227 conjuncts, 15 conjunts are in the unsatisfiable core [2021-07-14 07:03:29,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:29,692 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 41 proven. 146 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-07-14 07:03:29,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2100929047] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:29,693 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:29,693 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 14] total 18 [2021-07-14 07:03:29,693 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851484131] [2021-07-14 07:03:29,693 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 07:03:29,693 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:29,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 07:03:29,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=291, Unknown=0, NotChecked=0, Total=342 [2021-07-14 07:03:29,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:29,694 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:29,695 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.684210526315789) internal successors, (108), 18 states have internal predecessors, (108), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:29,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:29,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:29,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:29,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:29,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:29,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:30,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:31,104 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:31,105 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:31,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:31,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1961329713, now seen corresponding path program 7 times [2021-07-14 07:03:31,105 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:31,106 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [936441894] [2021-07-14 07:03:31,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:31,181 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 106 proven. 42 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2021-07-14 07:03:31,181 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:31,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [936441894] [2021-07-14 07:03:31,181 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [936441894] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:31,181 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1466575031] [2021-07-14 07:03:31,201 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 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:31,317 INFO L263 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 20 conjunts are in the unsatisfiable core [2021-07-14 07:03:31,319 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:31,639 INFO L134 CoverageAnalysis]: Checked inductivity of 401 backedges. 93 proven. 302 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-07-14 07:03:31,639 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1466575031] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:31,639 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:31,639 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 19] total 23 [2021-07-14 07:03:31,639 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [157398852] [2021-07-14 07:03:31,640 INFO L462 AbstractCegarLoop]: Interpolant automaton has 24 states [2021-07-14 07:03:31,640 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:31,640 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2021-07-14 07:03:31,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=465, Unknown=0, NotChecked=0, Total=552 [2021-07-14 07:03:31,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:31,641 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:31,641 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 24 states, 24 states have (on average 5.5) internal successors, (132), 23 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:31,641 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:32,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:32,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:32,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:03:32,909 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-07-14 07:03:32,910 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:32,910 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:32,910 INFO L82 PathProgramCache]: Analyzing trace with hash 1346407772, now seen corresponding path program 8 times [2021-07-14 07:03:32,910 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:32,910 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [517569937] [2021-07-14 07:03:32,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:32,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:33,095 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 132 proven. 61 refuted. 0 times theorem prover too weak. 458 trivial. 0 not checked. [2021-07-14 07:03:33,095 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:33,095 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [517569937] [2021-07-14 07:03:33,096 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [517569937] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:33,096 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1093424780] [2021-07-14 07:03:33,096 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 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:33,160 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:03:33,161 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:33,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 26 conjunts are in the unsatisfiable core [2021-07-14 07:03:33,164 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:33,656 INFO L134 CoverageAnalysis]: Checked inductivity of 651 backedges. 65 proven. 584 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-07-14 07:03:33,656 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1093424780] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:33,656 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:33,656 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 25] total 29 [2021-07-14 07:03:33,657 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739449926] [2021-07-14 07:03:33,657 INFO L462 AbstractCegarLoop]: Interpolant automaton has 30 states [2021-07-14 07:03:33,657 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:33,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2021-07-14 07:03:33,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=117, Invalid=753, Unknown=0, NotChecked=0, Total=870 [2021-07-14 07:03:33,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:33,658 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:33,659 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 30 states, 30 states have (on average 5.3) internal successors, (159), 29 states have internal predecessors, (159), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:03:33,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:35,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:03:35,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:35,643 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:35,644 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:35,644 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:35,644 INFO L82 PathProgramCache]: Analyzing trace with hash 1888452368, now seen corresponding path program 9 times [2021-07-14 07:03:35,644 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:35,644 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335687087] [2021-07-14 07:03:35,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:35,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:35,938 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 26 proven. 353 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-07-14 07:03:35,938 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:35,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335687087] [2021-07-14 07:03:35,938 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [335687087] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:35,938 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [513588648] [2021-07-14 07:03:35,938 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:36,032 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2021-07-14 07:03:36,032 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:36,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 6 conjunts are in the unsatisfiable core [2021-07-14 07:03:36,035 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:36,219 INFO L134 CoverageAnalysis]: Checked inductivity of 1066 backedges. 152 proven. 1 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2021-07-14 07:03:36,219 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [513588648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:36,219 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:36,219 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5] total 17 [2021-07-14 07:03:36,219 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [402055715] [2021-07-14 07:03:36,220 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 07:03:36,220 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:36,220 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 07:03:36,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2021-07-14 07:03:36,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:36,220 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:36,221 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 4.823529411764706) internal successors, (82), 17 states have internal predecessors, (82), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:36,221 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:03:36,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:36,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2021-07-14 07:03:37,026 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:37,027 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:37,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:37,027 INFO L82 PathProgramCache]: Analyzing trace with hash 2095607529, now seen corresponding path program 10 times [2021-07-14 07:03:37,028 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:37,028 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560809189] [2021-07-14 07:03:37,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:37,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:37,139 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 116 proven. 266 refuted. 0 times theorem prover too weak. 734 trivial. 0 not checked. [2021-07-14 07:03:37,139 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:37,139 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1560809189] [2021-07-14 07:03:37,139 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1560809189] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:37,140 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1017878656] [2021-07-14 07:03:37,140 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:37,255 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:03:37,255 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:37,256 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 30 conjunts are in the unsatisfiable core [2021-07-14 07:03:37,258 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:37,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1116 backedges. 284 proven. 793 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2021-07-14 07:03:37,847 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1017878656] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:37,847 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:37,847 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 29] total 40 [2021-07-14 07:03:37,847 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40416902] [2021-07-14 07:03:37,847 INFO L462 AbstractCegarLoop]: Interpolant automaton has 41 states [2021-07-14 07:03:37,847 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:37,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 41 interpolants. [2021-07-14 07:03:37,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=1495, Unknown=0, NotChecked=0, Total=1640 [2021-07-14 07:03:37,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:37,848 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:37,849 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 41 states, 41 states have (on average 4.853658536585366) internal successors, (199), 40 states have internal predecessors, (199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 51 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 27 states. [2021-07-14 07:03:37,849 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:41,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:41,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:41,835 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:42,056 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-07-14 07:03:42,057 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:42,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:42,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1635693394, now seen corresponding path program 11 times [2021-07-14 07:03:42,057 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:42,058 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1867736928] [2021-07-14 07:03:42,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:42,329 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 49 proven. 548 refuted. 0 times theorem prover too weak. 938 trivial. 0 not checked. [2021-07-14 07:03:42,329 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:42,329 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1867736928] [2021-07-14 07:03:42,329 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1867736928] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:42,330 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1272358641] [2021-07-14 07:03:42,330 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 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:42,440 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 15 check-sat command(s) [2021-07-14 07:03:42,441 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:42,442 INFO L263 TraceCheckSpWp]: Trace formula consists of 451 conjuncts, 31 conjunts are in the unsatisfiable core [2021-07-14 07:03:42,444 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:42,730 INFO L134 CoverageAnalysis]: Checked inductivity of 1535 backedges. 965 proven. 9 refuted. 0 times theorem prover too weak. 561 trivial. 0 not checked. [2021-07-14 07:03:42,730 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1272358641] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:42,730 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:42,730 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 8] total 27 [2021-07-14 07:03:42,730 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941257882] [2021-07-14 07:03:42,731 INFO L462 AbstractCegarLoop]: Interpolant automaton has 27 states [2021-07-14 07:03:42,731 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:42,731 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 27 interpolants. [2021-07-14 07:03:42,731 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=586, Unknown=0, NotChecked=0, Total=702 [2021-07-14 07:03:42,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:42,731 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:42,732 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 27 states, 27 states have (on average 4.481481481481482) internal successors, (121), 27 states have internal predecessors, (121), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:42,732 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:44,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:44,805 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:44,805 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:44,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:44,806 INFO L82 PathProgramCache]: Analyzing trace with hash 199542200, now seen corresponding path program 12 times [2021-07-14 07:03:44,806 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:44,806 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1728960648] [2021-07-14 07:03:44,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:44,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:44,995 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 338 proven. 442 refuted. 0 times theorem prover too weak. 950 trivial. 0 not checked. [2021-07-14 07:03:44,995 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:44,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1728960648] [2021-07-14 07:03:44,996 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1728960648] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:44,996 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1809912317] [2021-07-14 07:03:44,996 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 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:45,128 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 18 check-sat command(s) [2021-07-14 07:03:45,129 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:45,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 551 conjuncts, 39 conjunts are in the unsatisfiable core [2021-07-14 07:03:45,133 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:45,965 INFO L134 CoverageAnalysis]: Checked inductivity of 1730 backedges. 31 proven. 1643 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-07-14 07:03:45,965 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1809912317] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:45,965 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:45,966 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 38] total 51 [2021-07-14 07:03:45,966 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1061960417] [2021-07-14 07:03:45,966 INFO L462 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-07-14 07:03:45,966 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:45,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-07-14 07:03:45,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=206, Invalid=2446, Unknown=0, NotChecked=0, Total=2652 [2021-07-14 07:03:45,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:45,967 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:45,968 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 4.846153846153846) internal successors, (252), 51 states have internal predecessors, (252), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:45,968 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:51,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:03:51,358 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:51,359 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:51,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:51,359 INFO L82 PathProgramCache]: Analyzing trace with hash 83284390, now seen corresponding path program 13 times [2021-07-14 07:03:51,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:51,359 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242681427] [2021-07-14 07:03:51,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:51,610 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 331 proven. 562 refuted. 0 times theorem prover too weak. 1088 trivial. 0 not checked. [2021-07-14 07:03:51,610 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:51,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242681427] [2021-07-14 07:03:51,610 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242681427] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:51,610 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [282894997] [2021-07-14 07:03:51,610 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 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:51,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:51,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 584 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 07:03:51,735 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:52,023 INFO L134 CoverageAnalysis]: Checked inductivity of 1981 backedges. 302 proven. 533 refuted. 0 times theorem prover too weak. 1146 trivial. 0 not checked. [2021-07-14 07:03:52,024 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [282894997] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:52,024 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:52,024 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 8] total 16 [2021-07-14 07:03:52,024 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1265308029] [2021-07-14 07:03:52,025 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-14 07:03:52,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:52,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-14 07:03:52,025 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=164, Unknown=0, NotChecked=0, Total=272 [2021-07-14 07:03:52,025 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:52,026 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:52,026 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 5.705882352941177) internal successors, (97), 16 states have internal predecessors, (97), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:52,026 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:52,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:52,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:52,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:52,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:52,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:52,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:03:52,027 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:03:52,245 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:03:52,463 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-07-14 07:03:52,464 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:52,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:52,464 INFO L82 PathProgramCache]: Analyzing trace with hash -922486097, now seen corresponding path program 14 times [2021-07-14 07:03:52,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:52,464 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710757796] [2021-07-14 07:03:52,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:52,679 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 303 proven. 656 refuted. 0 times theorem prover too weak. 1086 trivial. 0 not checked. [2021-07-14 07:03:52,679 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:52,679 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710757796] [2021-07-14 07:03:52,680 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710757796] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:52,680 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [283732899] [2021-07-14 07:03:52,680 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 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:52,772 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-14 07:03:52,772 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:52,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 591 conjuncts, 46 conjunts are in the unsatisfiable core [2021-07-14 07:03:52,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:53,032 INFO L134 CoverageAnalysis]: Checked inductivity of 2045 backedges. 273 proven. 627 refuted. 0 times theorem prover too weak. 1145 trivial. 0 not checked. [2021-07-14 07:03:53,033 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [283732899] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:53,033 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:53,033 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 9] total 18 [2021-07-14 07:03:53,033 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [679479081] [2021-07-14 07:03:53,034 INFO L462 AbstractCegarLoop]: Interpolant automaton has 19 states [2021-07-14 07:03:53,034 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:53,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2021-07-14 07:03:53,034 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=207, Unknown=0, NotChecked=0, Total=342 [2021-07-14 07:03:53,034 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:53,035 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:53,035 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 19 states, 19 states have (on average 5.421052631578948) internal successors, (103), 18 states have internal predecessors, (103), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:53,036 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:03:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:03:53,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:53,342 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:03:53,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 07:03:53,562 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-07-14 07:03:53,562 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:03:53,562 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:03:53,562 INFO L82 PathProgramCache]: Analyzing trace with hash -2139207418, now seen corresponding path program 15 times [2021-07-14 07:03:53,563 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:03:53,563 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1539121744] [2021-07-14 07:03:53,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:03:53,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:03:53,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 418 proven. 558 refuted. 0 times theorem prover too weak. 1136 trivial. 0 not checked. [2021-07-14 07:03:53,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:03:53,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1539121744] [2021-07-14 07:03:53,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1539121744] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:53,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [158095271] [2021-07-14 07:03:53,705 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 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:03:53,849 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 19 check-sat command(s) [2021-07-14 07:03:53,850 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:03:53,852 INFO L263 TraceCheckSpWp]: Trace formula consists of 598 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 07:03:53,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:03:54,827 INFO L134 CoverageAnalysis]: Checked inductivity of 2112 backedges. 85 proven. 1971 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2021-07-14 07:03:54,827 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [158095271] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:03:54,828 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:03:54,828 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 43] total 56 [2021-07-14 07:03:54,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683071127] [2021-07-14 07:03:54,828 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 07:03:54,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:03:54,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 07:03:54,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=323, Invalid=2869, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 07:03:54,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:03:54,830 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:03:54,830 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 4.7894736842105265) internal successors, (273), 56 states have internal predecessors, (273), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 74 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:03:54,830 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:03:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 07:03:54,831 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:04:00,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 134 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 07:04:00,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:04:01,152 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-07-14 07:04:01,152 INFO L430 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:04:01,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:04:01,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1376280057, now seen corresponding path program 16 times [2021-07-14 07:04:01,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:04:01,154 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533129582] [2021-07-14 07:04:01,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:04:01,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:04:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 202 proven. 855 refuted. 0 times theorem prover too weak. 1244 trivial. 0 not checked. [2021-07-14 07:04:01,337 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:04:01,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533129582] [2021-07-14 07:04:01,337 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533129582] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:04:01,337 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274235481] [2021-07-14 07:04:01,338 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 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:04:01,447 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-14 07:04:01,447 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:04:01,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 624 conjuncts, 44 conjunts are in the unsatisfiable core [2021-07-14 07:04:01,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:04:02,319 INFO L134 CoverageAnalysis]: Checked inductivity of 2301 backedges. 338 proven. 1936 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2021-07-14 07:04:02,320 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1274235481] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:04:02,320 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:04:02,320 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 43] total 56 [2021-07-14 07:04:02,320 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [905134239] [2021-07-14 07:04:02,320 INFO L462 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-07-14 07:04:02,321 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:04:02,321 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-07-14 07:04:02,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=409, Invalid=2783, Unknown=0, NotChecked=0, Total=3192 [2021-07-14 07:04:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:04:02,322 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:04:02,322 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 5.0) internal successors, (285), 56 states have internal predecessors, (285), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:04:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:04:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:04:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:04:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 134 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:04:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:04:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:08,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:04:08,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:04:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 07:04:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:04:08,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 117 states. [2021-07-14 07:04:08,624 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:04:08,625 INFO L430 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:04:08,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:04:08,625 INFO L82 PathProgramCache]: Analyzing trace with hash -1933541545, now seen corresponding path program 17 times [2021-07-14 07:04:08,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:04:08,625 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1735736676] [2021-07-14 07:04:08,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:04:08,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:04:08,737 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 349 proven. 302 refuted. 0 times theorem prover too weak. 2225 trivial. 0 not checked. [2021-07-14 07:04:08,737 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:04:08,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1735736676] [2021-07-14 07:04:08,737 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1735736676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:04:08,737 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1179447676] [2021-07-14 07:04:08,737 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 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:04:09,059 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 24 check-sat command(s) [2021-07-14 07:04:09,059 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:04:09,062 INFO L263 TraceCheckSpWp]: Trace formula consists of 689 conjuncts, 51 conjunts are in the unsatisfiable core [2021-07-14 07:04:09,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:04:10,087 INFO L134 CoverageAnalysis]: Checked inductivity of 2876 backedges. 329 proven. 2527 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2021-07-14 07:04:10,087 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1179447676] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:04:10,087 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-14 07:04:10,087 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 50] total 57 [2021-07-14 07:04:10,087 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393484367] [2021-07-14 07:04:10,088 INFO L462 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-07-14 07:04:10,088 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-14 07:04:10,088 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-07-14 07:04:10,089 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=258, Invalid=3048, Unknown=0, NotChecked=0, Total=3306 [2021-07-14 07:04:10,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:04:10,089 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-14 07:04:10,089 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 4.896551724137931) internal successors, (284), 57 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:04:10,089 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:04:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 141 states. [2021-07-14 07:04:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:04:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:04:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 19 states. [2021-07-14 07:04:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:04:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 117 states. [2021-07-14 07:04:10,090 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-14 07:04:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-14 07:04:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-07-14 07:04:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2021-07-14 07:04:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 59 states. [2021-07-14 07:04:16,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 52 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 141 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 157 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-07-14 07:04:16,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 121 states. [2021-07-14 07:04:16,286 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-07-14 07:04:16,286 INFO L430 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-14 07:04:16,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 07:04:16,286 INFO L82 PathProgramCache]: Analyzing trace with hash -1987951976, now seen corresponding path program 18 times [2021-07-14 07:04:16,287 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 07:04:16,287 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [416206445] [2021-07-14 07:04:16,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 07:04:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-14 07:04:20,983 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 39 [2021-07-14 07:04:23,768 INFO L134 CoverageAnalysis]: Checked inductivity of 3618 backedges. 54 proven. 2965 refuted. 0 times theorem prover too weak. 599 trivial. 0 not checked. [2021-07-14 07:04:23,768 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-14 07:04:23,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [416206445] [2021-07-14 07:04:23,768 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [416206445] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-14 07:04:23,768 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [577406478] [2021-07-14 07:04:23,768 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 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-14 07:04:24,042 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 27 check-sat command(s) [2021-07-14 07:04:24,042 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-14 07:04:24,050 WARN L261 TraceCheckSpWp]: Trace formula consists of 767 conjuncts, 548 conjunts are in the unsatisfiable core [2021-07-14 07:04:24,055 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-14 07:04:38,330 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-07-14 07:04:38,717 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 153 [2021-07-14 07:04:39,111 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 152 [2021-07-14 07:04:39,508 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-14 07:04:39,925 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 158 [2021-07-14 07:04:40,312 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 160 [2021-07-14 07:04:40,721 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 166 [2021-07-14 07:04:41,147 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-07-14 07:04:41,586 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 07:04:41,992 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-14 07:04:42,412 WARN L205 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 164 [2021-07-14 07:04:42,888 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 161 [2021-07-14 07:04:43,441 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-07-14 07:04:43,918 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification that was a NOOP. DAG size: 162 [2021-07-14 07:04:47,165 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 178 [2021-07-14 07:04:47,880 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 185 [2021-07-14 07:04:49,359 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2021-07-14 07:04:50,098 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2021-07-14 07:04:50,928 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2021-07-14 07:04:51,726 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2021-07-14 07:04:52,705 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification that was a NOOP. DAG size: 199 [2021-07-14 07:04:53,858 WARN L205 SmtUtils]: Spent 370.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2021-07-14 07:04:56,042 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2021-07-14 07:04:57,300 WARN L205 SmtUtils]: Spent 480.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2021-07-14 07:04:58,378 WARN L205 SmtUtils]: Spent 255.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2021-07-14 07:04:59,721 WARN L205 SmtUtils]: Spent 498.00 ms on a formula simplification that was a NOOP. DAG size: 211 [2021-07-14 07:05:00,793 WARN L205 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 215 [2021-07-14 07:05:02,315 WARN L205 SmtUtils]: Spent 641.00 ms on a formula simplification that was a NOOP. DAG size: 218 [2021-07-14 07:05:05,723 WARN L205 SmtUtils]: Spent 782.00 ms on a formula simplification that was a NOOP. DAG size: 220 [2021-07-14 07:05:07,277 WARN L205 SmtUtils]: Spent 574.00 ms on a formula simplification that was a NOOP. DAG size: 221 [2021-07-14 07:05:08,643 WARN L205 SmtUtils]: Spent 361.00 ms on a formula simplification that was a NOOP. DAG size: 226 [2021-07-14 07:05:10,250 WARN L205 SmtUtils]: Spent 492.00 ms on a formula simplification that was a NOOP. DAG size: 227 [2021-07-14 07:05:12,576 WARN L205 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 233 DAG size of output: 231 [2021-07-14 07:05:14,164 WARN L205 SmtUtils]: Spent 538.00 ms on a formula simplification that was a NOOP. DAG size: 234 [2021-07-14 07:05:17,972 WARN L205 SmtUtils]: Spent 518.00 ms on a formula simplification that was a NOOP. DAG size: 236 [2021-07-14 07:05:19,812 WARN L205 SmtUtils]: Spent 671.00 ms on a formula simplification that was a NOOP. DAG size: 237 [2021-07-14 07:05:21,516 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification that was a NOOP. DAG size: 242 [2021-07-14 07:05:22,962 WARN L205 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-14 07:05:24,327 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 247 [2021-07-14 07:05:26,620 WARN L205 SmtUtils]: Spent 996.00 ms on a formula simplification that was a NOOP. DAG size: 250 [2021-07-14 07:05:29,918 WARN L205 SmtUtils]: Spent 419.00 ms on a formula simplification that was a NOOP. DAG size: 252 [2021-07-14 07:05:31,472 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification that was a NOOP. DAG size: 253 [2021-07-14 07:05:33,743 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification that was a NOOP. DAG size: 258 [2021-07-14 07:05:35,781 WARN L205 SmtUtils]: Spent 604.00 ms on a formula simplification that was a NOOP. DAG size: 259 [2021-07-14 07:05:37,451 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification that was a NOOP. DAG size: 263 [2021-07-14 07:05:39,394 WARN L205 SmtUtils]: Spent 390.00 ms on a formula simplification that was a NOOP. DAG size: 269 [2021-07-14 07:05:45,143 WARN L205 SmtUtils]: Spent 778.00 ms on a formula simplification that was a NOOP. DAG size: 271 [2021-07-14 07:05:47,121 WARN L205 SmtUtils]: Spent 461.00 ms on a formula simplification that was a NOOP. DAG size: 272 [2021-07-14 07:05:48,821 WARN L205 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 277 [2021-07-14 07:05:50,751 WARN L205 SmtUtils]: Spent 447.00 ms on a formula simplification that was a NOOP. DAG size: 278 [2021-07-14 07:05:53,588 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 283 DAG size of output: 281 [2021-07-14 07:05:55,984 WARN L205 SmtUtils]: Spent 748.00 ms on a formula simplification that was a NOOP. DAG size: 285 [2021-07-14 07:06:04,462 WARN L205 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 290 [2021-07-14 07:06:06,951 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification that was a NOOP. DAG size: 291 [2021-07-14 07:06:09,233 WARN L205 SmtUtils]: Spent 366.00 ms on a formula simplification that was a NOOP. DAG size: 296 [2021-07-14 07:06:11,742 WARN L205 SmtUtils]: Spent 358.00 ms on a formula simplification that was a NOOP. DAG size: 297 [2021-07-14 07:06:14,342 WARN L205 SmtUtils]: Spent 415.00 ms on a formula simplification that was a NOOP. DAG size: 300 [2021-07-14 07:06:17,362 WARN L205 SmtUtils]: Spent 446.00 ms on a formula simplification that was a NOOP. DAG size: 306 [2021-07-14 07:06:26,597 WARN L205 SmtUtils]: Spent 566.00 ms on a formula simplification that was a NOOP. DAG size: 309 [2021-07-14 07:06:29,423 WARN L205 SmtUtils]: Spent 536.00 ms on a formula simplification that was a NOOP. DAG size: 313 [2021-07-14 07:06:34,582 WARN L205 SmtUtils]: Spent 561.00 ms on a formula simplification that was a NOOP. DAG size: 314 [2021-07-14 07:06:37,881 WARN L205 SmtUtils]: Spent 618.00 ms on a formula simplification that was a NOOP. DAG size: 320 [2021-07-14 07:06:43,460 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification that was a NOOP. DAG size: 321 [2021-07-14 07:06:47,031 WARN L205 SmtUtils]: Spent 616.00 ms on a formula simplification that was a NOOP. DAG size: 326 [2021-07-14 07:06:53,025 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 327 [2021-07-14 07:06:59,587 WARN L205 SmtUtils]: Spent 859.00 ms on a formula simplification that was a NOOP. DAG size: 329 [2021-07-14 07:07:03,641 WARN L205 SmtUtils]: Spent 701.00 ms on a formula simplification that was a NOOP. DAG size: 334 [2021-07-14 07:07:09,787 WARN L205 SmtUtils]: Spent 572.00 ms on a formula simplification that was a NOOP. DAG size: 339 [2021-07-14 07:07:16,252 WARN L205 SmtUtils]: Spent 655.00 ms on a formula simplification that was a NOOP. DAG size: 338 [2021-07-14 07:07:20,267 WARN L205 SmtUtils]: Spent 712.00 ms on a formula simplification that was a NOOP. DAG size: 341 [2021-07-14 07:07:24,291 WARN L205 SmtUtils]: Spent 677.00 ms on a formula simplification that was a NOOP. DAG size: 342 [2021-07-14 07:07:32,415 WARN L205 SmtUtils]: Spent 639.00 ms on a formula simplification that was a NOOP. DAG size: 344 [2021-07-14 07:07:45,211 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification that was a NOOP. DAG size: 346 [2021-07-14 07:08:02,719 WARN L205 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 347 [2021-07-14 07:08:02,870 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,873 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,875 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,889 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,892 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,894 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,896 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,915 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,917 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,935 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,941 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,956 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,961 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,971 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,973 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,976 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,979 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,981 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,983 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,985 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,991 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,993 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:02,999 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,001 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,011 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,017 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,019 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,022 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,024 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,030 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,032 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,035 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,037 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,040 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,042 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,044 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,046 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,048 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,051 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,053 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,056 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,063 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,066 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,075 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,078 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,080 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,082 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,085 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,087 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,090 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,092 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,094 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,096 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,102 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,106 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,117 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,126 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,132 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,134 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,137 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,139 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,145 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,148 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,150 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,160 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,163 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,170 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,173 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,175 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,188 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,190 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,192 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,202 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,204 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,206 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,212 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,214 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,220 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,222 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,225 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,227 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,230 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,235 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,238 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,240 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,243 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,249 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,251 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,254 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,258 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,260 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,262 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,267 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,269 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,272 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,274 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,280 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,282 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,285 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,287 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,293 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,299 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,304 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,310 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,312 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,314 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,328 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,330 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,332 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,345 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,347 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,356 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,365 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,371 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,374 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,379 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,392 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,406 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,412 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,428 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,430 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,439 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,448 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,455 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,458 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,477 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,479 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,481 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,487 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,493 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,495 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,498 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,500 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,517 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,523 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,525 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,541 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,546 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,560 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,562 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,564 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,581 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,587 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,590 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,596 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,613 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,615 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,618 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,630 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,633 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,647 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,655 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,657 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,665 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,685 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,687 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,690 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,692 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,698 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-07-14 07:08:03,716 INFO L244 Elim1Store]: Index analysis took 849 ms [2021-07-14 07:09:55,767 WARN L205 SmtUtils]: Spent 1.87 m on a formula simplification. DAG size of input: 2406 DAG size of output: 1986 [2021-07-14 07:09:55,770 INFO L354 Elim1Store]: treesize reduction 1232, result has 81.7 percent of original size [2021-07-14 07:09:55,771 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 39 select indices, 39 select index equivalence classes, 163 disjoint index pairs (out of 741 index pairs), introduced 39 new quantified variables, introduced 578 case distinctions, treesize of input 570 treesize of output 5868 [2021-07-14 07:09:56,094 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 2159 DAG size of output: 1586 [2021-07-14 07:09:58,765 WARN L205 SmtUtils]: Spent 2.37 s on a formula simplification. DAG size of input: 3186 DAG size of output: 2059 [2021-07-14 07:10:01,652 WARN L205 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 3272 DAG size of output: 2164 [2021-07-14 07:12:06,505 WARN L205 SmtUtils]: Spent 2.03 m on a formula simplification. DAG size of input: 34816 DAG size of output: 18819 [2021-07-14 07:14:23,567 WARN L205 SmtUtils]: Spent 2.22 m on a formula simplification. DAG size of input: 34868 DAG size of output: 18888 [2021-07-14 07:14:34,417 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 322 [2021-07-14 07:14:52,958 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 173 [2021-07-14 07:14:58,930 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 211 Received shutdown request... Cannot interrupt operation gracefully because timeout expired. Forcing shutdown