/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-None-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-13 22:01:57,348 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-13 22:01:57,351 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-13 22:01:57,388 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-13 22:01:57,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-13 22:01:57,391 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-13 22:01:57,393 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-13 22:01:57,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-13 22:01:57,401 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-13 22:01:57,405 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-13 22:01:57,405 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-13 22:01:57,407 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-13 22:01:57,407 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-13 22:01:57,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-13 22:01:57,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-13 22:01:57,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-13 22:01:57,414 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-13 22:01:57,414 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-13 22:01:57,416 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-13 22:01:57,421 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-13 22:01:57,423 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-13 22:01:57,424 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-13 22:01:57,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-13 22:01:57,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-13 22:01:57,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-13 22:01:57,434 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-13 22:01:57,435 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-13 22:01:57,436 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-13 22:01:57,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-13 22:01:57,437 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-13 22:01:57,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-13 22:01:57,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-13 22:01:57,439 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-13 22:01:57,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-13 22:01:57,441 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-13 22:01:57,441 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-13 22:01:57,442 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-13 22:01:57,442 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-13 22:01:57,442 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-13 22:01:57,443 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-13 22:01:57,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-13 22:01:57,444 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-None-NoLbe.epf [2021-07-13 22:01:57,479 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-13 22:01:57,479 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-13 22:01:57,480 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-13 22:01:57,480 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-13 22:01:57,482 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-13 22:01:57,482 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-13 22:01:57,483 INFO L138 SettingsManager]: * Use SBE=true [2021-07-13 22:01:57,483 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-13 22:01:57,483 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-13 22:01:57,483 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-13 22:01:57,484 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-13 22:01:57,484 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-13 22:01:57,484 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-13 22:01:57,485 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-13 22:01:57,485 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-13 22:01:57,485 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-13 22:01:57,485 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-13 22:01:57,485 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-13 22:01:57,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-13 22:01:57,486 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-13 22:01:57,486 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-13 22:01:57,486 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-13 22:01:57,486 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-13 22:01:57,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-13 22:01:57,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-13 22:01:57,487 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-13 22:01:57,487 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-13 22:01:57,487 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-13 22:01:57,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-13 22:01:57,487 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-13 22:01:57,487 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-13 22:01:57,488 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-13 22:01:57,488 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-13 22:01:57,841 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-13 22:01:57,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-13 22:01:57,867 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-13 22:01:57,868 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-07-13 22:01:57,869 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-07-13 22:01:57,870 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl [2021-07-13 22:01:57,870 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/unroll-cond-3.wvr.bpl' [2021-07-13 22:01:57,894 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-13 22:01:57,897 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-07-13 22:01:57,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-13 22:01:57,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-13 22:01:57,898 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-13 22:01:57,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,917 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,924 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-13 22:01:57,926 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-13 22:01:57,927 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-13 22:01:57,927 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-13 22:01:57,934 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,934 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,937 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,937 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,940 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,942 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,943 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/1) ... [2021-07-13 22:01:57,944 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-13 22:01:57,944 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-13 22:01:57,945 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-13 22:01:57,947 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-13 22:01:57,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (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 [2021-07-13 22:01:58,022 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-07-13 22:01:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-13 22:01:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-13 22:01:58,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-07-13 22:01:58,023 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-13 22:01:58,023 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-13 22:01:58,023 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-07-13 22:01:58,024 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-13 22:01:58,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-13 22:01:58,024 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-13 22:01:58,253 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-13 22:01:58,253 INFO L299 CfgBuilder]: Removed 2 assume(true) statements. [2021-07-13 22:01:58,254 WARN L327 CfgBuilder]: Unexpected successor node of atomic block begin: thread1EXIT is neither atomic block end nor error location. [2021-07-13 22:01:58,255 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:01:58 BoogieIcfgContainer [2021-07-13 22:01:58,256 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-13 22:01:58,257 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-13 22:01:58,257 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-13 22:01:58,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-13 22:01:58,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 13.07 10:01:57" (1/2) ... [2021-07-13 22:01:58,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@310cb984 and model type unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.07 10:01:58, skipping insertion in model container [2021-07-13 22:01:58,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.07 10:01:58" (2/2) ... [2021-07-13 22:01:58,262 INFO L111 eAbstractionObserver]: Analyzing ICFG unroll-cond-3.wvr.bpl [2021-07-13 22:01:58,267 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-13 22:01:58,267 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-13 22:01:58,268 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-13 22:01:58,268 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-13 22:01:58,315 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-07-13 22:01:58,359 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-13 22:01:58,402 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-13 22:01:58,403 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-13 22:01:58,403 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-13 22:01:58,403 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-13 22:01:58,403 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-13 22:01:58,403 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-13 22:01:58,403 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-13 22:01:58,403 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-13 22:01:58,411 INFO L110 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 21 places, 16 transitions, 48 flow [2021-07-13 22:01:58,421 INFO L132 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 16 states, 15 states have (on average 1.8) internal successors, (27), 15 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:01:58,429 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:01:58,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:01:58,435 INFO L82 PathProgramCache]: Analyzing trace with hash -361797269, now seen corresponding path program 1 times [2021-07-13 22:01:58,442 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:01:58,442 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923433528] [2021-07-13 22:01:58,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:01:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:01:58,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:01:58,595 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:01:58,595 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923433528] [2021-07-13 22:01:58,596 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923433528] provided 1 perfect and 0 imperfect interpolant sequences [2021-07-13 22:01:58,596 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-07-13 22:01:58,596 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-07-13 22:01:58,597 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570181554] [2021-07-13 22:01:58,600 INFO L462 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-07-13 22:01:58,600 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:01:58,618 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-07-13 22:01:58,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-07-13 22:01:58,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:01:58,621 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:01:58,621 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 5 states, 5 states have (on average 2.0) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:01:58,621 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:01:58,674 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:01:58,675 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-13 22:01:58,675 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:01:58,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:01:58,676 INFO L82 PathProgramCache]: Analyzing trace with hash -1023011105, now seen corresponding path program 1 times [2021-07-13 22:01:58,676 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:01:58,676 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1613778688] [2021-07-13 22:01:58,676 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:01:58,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:01:58,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:01:58,852 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:01:58,852 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1613778688] [2021-07-13 22:01:58,852 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1613778688] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:01:58,853 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1280200163] [2021-07-13 22:01:58,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:01:58,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:01:58,913 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-13 22:01:58,918 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:01:59,126 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2021-07-13 22:01:59,129 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:01:59,131 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:01:59,133 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:01:59,134 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:11, output treesize:3 [2021-07-13 22:01:59,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:01:59,152 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1280200163] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:01:59,152 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:01:59,152 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-13 22:01:59,153 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019725195] [2021-07-13 22:01:59,154 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 22:01:59,154 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:01:59,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 22:01:59,157 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2021-07-13 22:01:59,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:01:59,157 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:01:59,158 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:01:59,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:01:59,158 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:01:59,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:01:59,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:01:59,445 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:01:59,445 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:01:59,445 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:01:59,446 INFO L82 PathProgramCache]: Analyzing trace with hash -45803541, now seen corresponding path program 2 times [2021-07-13 22:01:59,446 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:01:59,446 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [565007470] [2021-07-13 22:01:59,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:01:59,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:01:59,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:01:59,564 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:01:59,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [565007470] [2021-07-13 22:01:59,565 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [565007470] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:01:59,565 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1418877004] [2021-07-13 22:01:59,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:01:59,630 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:01:59,630 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:01:59,631 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 16 conjunts are in the unsatisfiable core [2021-07-13 22:01:59,632 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:01:59,796 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:01:59,797 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 18 [2021-07-13 22:01:59,803 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:01:59,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:01:59,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:01:59,808 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:15, output treesize:3 [2021-07-13 22:01:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:01:59,860 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1418877004] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:01:59,860 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:01:59,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-07-13 22:01:59,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [704805680] [2021-07-13 22:01:59,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-07-13 22:01:59,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:01:59,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-07-13 22:01:59,862 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2021-07-13 22:01:59,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:01:59,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:01:59,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 2.111111111111111) internal successors, (19), 8 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:01:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:01:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:01:59,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:01:59,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:01:59,969 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:01:59,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:00,193 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:00,193 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:00,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:00,194 INFO L82 PathProgramCache]: Analyzing trace with hash 182859871, now seen corresponding path program 3 times [2021-07-13 22:02:00,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:00,194 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1197373654] [2021-07-13 22:02:00,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:00,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:00,239 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:00,240 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:00,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1197373654] [2021-07-13 22:02:00,240 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1197373654] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:00,240 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [883973632] [2021-07-13 22:02:00,240 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:00,287 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-07-13 22:02:00,287 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:00,288 INFO L263 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 5 conjunts are in the unsatisfiable core [2021-07-13 22:02:00,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:00,334 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:00,335 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [883973632] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:00,335 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:00,335 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 6 [2021-07-13 22:02:00,335 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1068051554] [2021-07-13 22:02:00,336 INFO L462 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-07-13 22:02:00,336 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:00,336 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-07-13 22:02:00,337 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-07-13 22:02:00,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:00,337 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:00,337 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 7 states, 7 states have (on average 2.4285714285714284) internal successors, (17), 6 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:00,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:00,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:00,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:00,337 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:00,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:00,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:00,619 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:00,619 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:00,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:00,620 INFO L82 PathProgramCache]: Analyzing trace with hash -2095658548, now seen corresponding path program 1 times [2021-07-13 22:02:00,620 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:00,620 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [699060944] [2021-07-13 22:02:00,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:00,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:00,749 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:00,749 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:00,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [699060944] [2021-07-13 22:02:00,749 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [699060944] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:00,749 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012863626] [2021-07-13 22:02:00,749 INFO L95 rtionOrderModulation]: Keeping assertion order 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 [2021-07-13 22:02:00,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:00,791 INFO L263 TraceCheckSpWp]: Trace formula consists of 51 conjuncts, 23 conjunts are in the unsatisfiable core [2021-07-13 22:02:00,792 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:00,999 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:00,999 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 5 new quantified variables, introduced 3 case distinctions, treesize of input 19 treesize of output 37 [2021-07-13 22:02:01,017 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:01,019 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:01,019 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:01,019 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:19, output treesize:3 [2021-07-13 22:02:01,029 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:01,029 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1012863626] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:01,030 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:01,030 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2021-07-13 22:02:01,030 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1095724123] [2021-07-13 22:02:01,030 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 22:02:01,030 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:01,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 22:02:01,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2021-07-13 22:02:01,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:01,031 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:01,031 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.5333333333333334) internal successors, (23), 14 states have internal predecessors, (23), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:01,031 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:01,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:01,182 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:01,382 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:01,383 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:01,383 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:01,383 INFO L82 PathProgramCache]: Analyzing trace with hash -1393451712, now seen corresponding path program 2 times [2021-07-13 22:02:01,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:01,394 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [242767391] [2021-07-13 22:02:01,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:01,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:01,521 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:01,521 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:01,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [242767391] [2021-07-13 22:02:01,522 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [242767391] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:01,522 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1108561683] [2021-07-13 22:02:01,522 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 [2021-07-13 22:02:01,555 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:02:01,555 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:01,556 WARN L261 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 32 conjunts are in the unsatisfiable core [2021-07-13 22:02:01,558 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:01,752 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:01,752 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 0 disjoint index pairs (out of 6 index pairs), introduced 7 new quantified variables, introduced 6 case distinctions, treesize of input 23 treesize of output 64 [2021-07-13 22:02:01,805 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:01,807 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:01,807 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:01,807 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:23, output treesize:3 [2021-07-13 22:02:01,814 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:01,814 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1108561683] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:01,814 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:01,814 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-13 22:02:01,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472754374] [2021-07-13 22:02:01,815 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 22:02:01,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:01,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 22:02:01,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-13 22:02:01,816 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:01,816 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:01,816 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.4705882352941178) internal successors, (25), 16 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:01,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:01,816 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:01,817 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:01,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:01,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:02,190 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:02,191 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:02,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:02,191 INFO L82 PathProgramCache]: Analyzing trace with hash -1099876276, now seen corresponding path program 3 times [2021-07-13 22:02:02,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:02,192 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46589768] [2021-07-13 22:02:02,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:02,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:02,282 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:02,282 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:02,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46589768] [2021-07-13 22:02:02,282 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46589768] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:02,282 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1747063352] [2021-07-13 22:02:02,282 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 [2021-07-13 22:02:02,315 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 4 check-sat command(s) [2021-07-13 22:02:02,315 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:02,316 INFO L263 TraceCheckSpWp]: Trace formula consists of 61 conjuncts, 29 conjunts are in the unsatisfiable core [2021-07-13 22:02:02,317 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:02,526 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:02,526 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 9 new quantified variables, introduced 10 case distinctions, treesize of input 27 treesize of output 99 [2021-07-13 22:02:02,636 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:02,637 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:02,638 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:02,638 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:27, output treesize:3 [2021-07-13 22:02:02,644 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:02,644 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1747063352] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:02,644 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:02,644 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 16 [2021-07-13 22:02:02,644 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [670203694] [2021-07-13 22:02:02,645 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-07-13 22:02:02,645 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:02,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-07-13 22:02:02,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=232, Unknown=0, NotChecked=0, Total=272 [2021-07-13 22:02:02,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:02,646 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:02,646 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 17 states have (on average 1.588235294117647) internal successors, (27), 16 states have internal predecessors, (27), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:02,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:02,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:02,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:02,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:02,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:02,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:02,646 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:02,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:02,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:03,083 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-07-13 22:02:03,084 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:03,084 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:03,084 INFO L82 PathProgramCache]: Analyzing trace with hash -588972352, now seen corresponding path program 4 times [2021-07-13 22:02:03,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:03,084 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474609494] [2021-07-13 22:02:03,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:03,146 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 10 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:03,147 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:03,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474609494] [2021-07-13 22:02:03,147 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474609494] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:03,147 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399646088] [2021-07-13 22:02:03,147 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 [2021-07-13 22:02:03,181 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:02:03,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:03,182 INFO L263 TraceCheckSpWp]: Trace formula consists of 66 conjuncts, 9 conjunts are in the unsatisfiable core [2021-07-13 22:02:03,183 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:03,228 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 15 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:03,229 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399646088] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:03,229 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:03,229 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 10 [2021-07-13 22:02:03,229 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631343616] [2021-07-13 22:02:03,230 INFO L462 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-07-13 22:02:03,230 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:03,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-07-13 22:02:03,230 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2021-07-13 22:02:03,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:03,230 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:03,231 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 1.9090909090909092) internal successors, (21), 10 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:03,231 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:03,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:03,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:03,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:03,528 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2021-07-13 22:02:03,528 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:03,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:03,529 INFO L82 PathProgramCache]: Analyzing trace with hash -252653685, now seen corresponding path program 5 times [2021-07-13 22:02:03,529 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:03,529 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15024238] [2021-07-13 22:02:03,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:03,693 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:03,693 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:03,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15024238] [2021-07-13 22:02:03,693 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15024238] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:03,693 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [671418819] [2021-07-13 22:02:03,694 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 [2021-07-13 22:02:03,737 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 4 check-sat command(s) [2021-07-13 22:02:03,738 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:03,738 INFO L263 TraceCheckSpWp]: Trace formula consists of 71 conjuncts, 35 conjunts are in the unsatisfiable core [2021-07-13 22:02:03,740 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:04,060 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:04,061 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 0 disjoint index pairs (out of 15 index pairs), introduced 11 new quantified variables, introduced 15 case distinctions, treesize of input 31 treesize of output 142 [2021-07-13 22:02:04,479 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:04,481 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:04,481 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:04,481 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:31, output treesize:3 [2021-07-13 22:02:04,487 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:04,487 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [671418819] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:04,487 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:04,487 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12] total 22 [2021-07-13 22:02:04,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587565064] [2021-07-13 22:02:04,490 INFO L462 AbstractCegarLoop]: Interpolant automaton has 23 states [2021-07-13 22:02:04,490 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:04,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2021-07-13 22:02:04,491 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=450, Unknown=0, NotChecked=0, Total=506 [2021-07-13 22:02:04,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:04,491 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:04,491 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 23 states, 23 states have (on average 1.3478260869565217) internal successors, (31), 22 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:04,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:04,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:04,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:04,492 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:04,496 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:04,497 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:04,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:04,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:04,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:04,990 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2021-07-13 22:02:04,990 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:04,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:04,991 INFO L82 PathProgramCache]: Analyzing trace with hash 1099745535, now seen corresponding path program 6 times [2021-07-13 22:02:04,991 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:04,991 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [897123285] [2021-07-13 22:02:04,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:05,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:05,168 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:05,168 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:05,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [897123285] [2021-07-13 22:02:05,168 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [897123285] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:05,168 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87521647] [2021-07-13 22:02:05,169 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 [2021-07-13 22:02:05,206 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 5 check-sat command(s) [2021-07-13 22:02:05,207 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:05,208 WARN L261 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 50 conjunts are in the unsatisfiable core [2021-07-13 22:02:05,209 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:05,575 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:05,575 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 13 new quantified variables, introduced 21 case distinctions, treesize of input 35 treesize of output 193 [2021-07-13 22:02:06,400 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:06,401 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:06,402 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:06,402 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:35, output treesize:3 [2021-07-13 22:02:06,408 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:06,408 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87521647] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:06,408 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:06,408 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-13 22:02:06,408 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653134645] [2021-07-13 22:02:06,409 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 22:02:06,409 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:06,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 22:02:06,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=540, Unknown=0, NotChecked=0, Total=600 [2021-07-13 22:02:06,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:06,410 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:06,410 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.32) internal successors, (33), 24 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) [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:06,410 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:06,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:06,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:06,940 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable107,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:06,941 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:06,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:06,941 INFO L82 PathProgramCache]: Analyzing trace with hash 74448395, now seen corresponding path program 7 times [2021-07-13 22:02:06,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:06,941 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313645692] [2021-07-13 22:02:06,941 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:07,121 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:07,121 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:07,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313645692] [2021-07-13 22:02:07,121 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1313645692] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:07,121 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178708832] [2021-07-13 22:02:07,121 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 [2021-07-13 22:02:07,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:07,154 INFO L263 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 40 conjunts are in the unsatisfiable core [2021-07-13 22:02:07,155 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:07,563 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:07,564 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 15 new quantified variables, introduced 28 case distinctions, treesize of input 39 treesize of output 252 [2021-07-13 22:02:08,280 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 200 [2021-07-13 22:02:09,912 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:09,913 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:09,914 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:09,914 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:39, output treesize:3 [2021-07-13 22:02:09,922 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:09,923 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178708832] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:09,923 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:09,923 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-07-13 22:02:09,923 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932109951] [2021-07-13 22:02:09,924 INFO L462 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-07-13 22:02:09,924 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:09,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-07-13 22:02:09,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=541, Unknown=0, NotChecked=0, Total=600 [2021-07-13 22:02:09,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:09,925 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:09,925 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.4) internal successors, (35), 24 states have internal predecessors, (35), 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) [2021-07-13 22:02:09,925 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:09,926 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:10,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:10,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:10,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:10,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:02:10,497 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable198 [2021-07-13 22:02:10,497 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:10,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:10,497 INFO L82 PathProgramCache]: Analyzing trace with hash -1644991873, now seen corresponding path program 8 times [2021-07-13 22:02:10,497 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:10,497 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [219352868] [2021-07-13 22:02:10,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:10,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:10,605 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:10,605 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:10,605 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [219352868] [2021-07-13 22:02:10,606 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [219352868] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:10,606 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [803132003] [2021-07-13 22:02:10,606 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 [2021-07-13 22:02:10,640 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-07-13 22:02:10,640 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:10,640 INFO L263 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 13 conjunts are in the unsatisfiable core [2021-07-13 22:02:10,646 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 36 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:10,701 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [803132003] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:10,702 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:10,702 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 14 [2021-07-13 22:02:10,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2078074154] [2021-07-13 22:02:10,702 INFO L462 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-07-13 22:02:10,702 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:10,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-07-13 22:02:10,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-07-13 22:02:10,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:10,703 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:10,703 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 1.6666666666666667) internal successors, (25), 14 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-07-13 22:02:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:10,703 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:02:10,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:02:10,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:11,074 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable441 [2021-07-13 22:02:11,074 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:11,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:11,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1370479532, now seen corresponding path program 9 times [2021-07-13 22:02:11,075 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:11,075 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [917695353] [2021-07-13 22:02:11,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:11,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:11,270 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:11,270 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:11,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [917695353] [2021-07-13 22:02:11,270 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [917695353] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:11,270 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1069278913] [2021-07-13 22:02:11,270 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 [2021-07-13 22:02:11,300 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-07-13 22:02:11,300 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:11,301 WARN L261 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 47 conjunts are in the unsatisfiable core [2021-07-13 22:02:11,302 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:11,824 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 163 [2021-07-13 22:02:11,824 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:11,824 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 9 select indices, 9 select index equivalence classes, 0 disjoint index pairs (out of 36 index pairs), introduced 17 new quantified variables, introduced 36 case distinctions, treesize of input 43 treesize of output 319 [2021-07-13 22:02:12,908 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 213 [2021-07-13 22:02:13,052 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 231 [2021-07-13 22:02:13,177 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 309 DAG size of output: 269 [2021-07-13 22:02:13,295 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 182 [2021-07-13 22:02:14,047 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 192 [2021-07-13 22:02:14,163 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 214 [2021-07-13 22:02:14,319 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 247 [2021-07-13 22:02:14,641 WARN L205 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-13 22:02:14,938 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 378 [2021-07-13 22:02:15,297 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 472 DAG size of output: 387 [2021-07-13 22:02:15,803 WARN L205 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 257 [2021-07-13 22:02:16,537 WARN L205 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-13 22:02:16,667 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 416 DAG size of output: 258 [2021-07-13 22:02:16,910 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 422 DAG size of output: 282 [2021-07-13 22:02:18,067 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:18,068 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:18,068 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:18,068 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:43, output treesize:3 [2021-07-13 22:02:18,077 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 51 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:18,078 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1069278913] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:18,078 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:18,078 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-07-13 22:02:18,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1052270095] [2021-07-13 22:02:18,078 INFO L462 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-07-13 22:02:18,078 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:18,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-07-13 22:02:18,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=854, Unknown=0, NotChecked=0, Total=930 [2021-07-13 22:02:18,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:18,079 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:18,079 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.2580645161290323) internal successors, (39), 30 states have internal predecessors, (39), 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) [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:18,080 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:18,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:02:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:18,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:02:18,878 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable442 [2021-07-13 22:02:18,879 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:18,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:18,879 INFO L82 PathProgramCache]: Analyzing trace with hash -1744176352, now seen corresponding path program 10 times [2021-07-13 22:02:18,879 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:18,879 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1996615906] [2021-07-13 22:02:18,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:19,152 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:19,153 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:19,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1996615906] [2021-07-13 22:02:19,153 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1996615906] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:19,153 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [672153960] [2021-07-13 22:02:19,153 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 [2021-07-13 22:02:19,181 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-07-13 22:02:19,181 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:19,182 WARN L261 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 64 conjunts are in the unsatisfiable core [2021-07-13 22:02:19,184 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:19,814 WARN L205 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 201 [2021-07-13 22:02:19,815 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:19,815 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 10 select indices, 10 select index equivalence classes, 0 disjoint index pairs (out of 45 index pairs), introduced 19 new quantified variables, introduced 45 case distinctions, treesize of input 47 treesize of output 394 [2021-07-13 22:02:20,985 WARN L205 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 265 [2021-07-13 22:02:21,169 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-13 22:02:21,357 WARN L205 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 286 [2021-07-13 22:02:21,568 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 298 [2021-07-13 22:02:21,959 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 419 [2021-07-13 22:02:22,176 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 294 DAG size of output: 367 [2021-07-13 22:02:22,424 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 293 DAG size of output: 330 [2021-07-13 22:02:22,627 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 298 [2021-07-13 22:02:23,112 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 261 [2021-07-13 22:02:23,225 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 206 DAG size of output: 218 [2021-07-13 22:02:23,894 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 451 DAG size of output: 358 [2021-07-13 22:02:24,140 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 329 [2021-07-13 22:02:24,258 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 245 [2021-07-13 22:02:25,300 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 263 DAG size of output: 231 [2021-07-13 22:02:25,525 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 442 DAG size of output: 356 [2021-07-13 22:02:25,991 WARN L205 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 679 DAG size of output: 494 [2021-07-13 22:02:26,196 WARN L205 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 304 [2021-07-13 22:02:27,168 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 239 [2021-07-13 22:02:27,722 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 245 [2021-07-13 22:02:28,216 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 219 [2021-07-13 22:02:28,486 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 531 DAG size of output: 342 [2021-07-13 22:02:29,275 WARN L205 SmtUtils]: Spent 786.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-13 22:02:30,064 WARN L205 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 1046 DAG size of output: 658 [2021-07-13 22:02:30,941 WARN L205 SmtUtils]: Spent 872.00 ms on a formula simplification. DAG size of input: 1050 DAG size of output: 663 [2021-07-13 22:02:31,986 WARN L205 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 665 DAG size of output: 835 [2021-07-13 22:02:32,199 WARN L205 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 361 [2021-07-13 22:02:33,075 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 271 [2021-07-13 22:02:33,448 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 569 DAG size of output: 538 [2021-07-13 22:02:33,894 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 534 DAG size of output: 342 [2021-07-13 22:02:34,383 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-13 22:02:34,884 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 792 DAG size of output: 458 [2021-07-13 22:02:35,432 WARN L205 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 465 [2021-07-13 22:02:36,011 WARN L205 SmtUtils]: Spent 575.00 ms on a formula simplification. DAG size of input: 467 DAG size of output: 616 [2021-07-13 22:02:36,265 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 373 [2021-07-13 22:02:36,474 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 375 [2021-07-13 22:02:36,690 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 343 [2021-07-13 22:02:37,462 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 277 [2021-07-13 22:02:38,122 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 594 DAG size of output: 380 [2021-07-13 22:02:38,423 WARN L205 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 437 [2021-07-13 22:02:39,209 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 197 [2021-07-13 22:02:39,679 WARN L205 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 899 DAG size of output: 562 [2021-07-13 22:02:40,194 WARN L205 SmtUtils]: Spent 509.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 436 [2021-07-13 22:02:41,320 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 254 [2021-07-13 22:02:42,279 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 422 [2021-07-13 22:02:43,386 WARN L205 SmtUtils]: Spent 429.00 ms on a formula simplification. DAG size of input: 819 DAG size of output: 545 [2021-07-13 22:02:44,449 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-13 22:02:45,527 WARN L205 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 1551 DAG size of output: 952 [2021-07-13 22:02:46,664 WARN L205 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 1554 DAG size of output: 954 [2021-07-13 22:02:46,834 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 954 DAG size of output: 611 [2021-07-13 22:02:47,182 WARN L205 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 447 [2021-07-13 22:02:47,890 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 562 DAG size of output: 294 [2021-07-13 22:02:48,080 WARN L205 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-13 22:02:48,249 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 336 [2021-07-13 22:02:48,465 WARN L205 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 634 DAG size of output: 338 [2021-07-13 22:02:48,702 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 321 [2021-07-13 22:02:49,107 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-07-13 22:02:49,109 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:49,109 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-07-13 22:02:49,109 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:47, output treesize:3 [2021-07-13 22:02:49,114 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:49,115 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleZ3 [672153960] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:49,115 INFO L226 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-07-13 22:02:49,115 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 17] total 32 [2021-07-13 22:02:49,115 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1491495934] [2021-07-13 22:02:49,115 INFO L462 AbstractCegarLoop]: Interpolant automaton has 33 states [2021-07-13 22:02:49,116 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-07-13 22:02:49,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2021-07-13 22:02:49,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=976, Unknown=0, NotChecked=0, Total=1056 [2021-07-13 22:02:49,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:49,117 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-07-13 22:02:49,117 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 33 states, 33 states have (on average 1.2424242424242424) internal successors, (41), 32 states have internal predecessors, (41), 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) [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:49,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:02:49,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-07-13 22:02:49,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2021-07-13 22:02:49,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2021-07-13 22:02:49,711 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2021-07-13 22:02:49,911 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable903,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-07-13 22:02:49,912 INFO L430 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-07-13 22:02:49,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-13 22:02:49,912 INFO L82 PathProgramCache]: Analyzing trace with hash 485739052, now seen corresponding path program 11 times [2021-07-13 22:02:49,912 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-13 22:02:49,912 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229087196] [2021-07-13 22:02:49,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-13 22:02:49,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-07-13 22:02:50,105 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 72 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-07-13 22:02:50,105 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-07-13 22:02:50,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229087196] [2021-07-13 22:02:50,106 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229087196] provided 0 perfect and 1 imperfect interpolant sequences [2021-07-13 22:02:50,106 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1954327934] [2021-07-13 22:02:50,106 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 [2021-07-13 22:02:50,135 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 7 check-sat command(s) [2021-07-13 22:02:50,135 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-07-13 22:02:50,136 WARN L261 TraceCheckSpWp]: Trace formula consists of 101 conjuncts, 52 conjunts are in the unsatisfiable core [2021-07-13 22:02:50,145 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-07-13 22:02:50,791 WARN L205 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 243 [2021-07-13 22:02:50,791 INFO L354 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2021-07-13 22:02:50,791 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 11 select indices, 11 select index equivalence classes, 0 disjoint index pairs (out of 55 index pairs), introduced 21 new quantified variables, introduced 55 case distinctions, treesize of input 51 treesize of output 477 [2021-07-13 22:02:52,146 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 532 DAG size of output: 351 [2021-07-13 22:02:52,310 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 554 DAG size of output: 372 [2021-07-13 22:02:52,519 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 590 DAG size of output: 408 [2021-07-13 22:02:53,858 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 570 DAG size of output: 389 [2021-07-13 22:02:54,050 WARN L205 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 591 DAG size of output: 409 [2021-07-13 22:02:54,296 WARN L205 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 627 DAG size of output: 445 [2021-07-13 22:02:54,842 WARN L205 SmtUtils]: Spent 542.00 ms on a formula simplification. DAG size of input: 1091 DAG size of output: 727 [2021-07-13 22:02:55,406 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 1110 DAG size of output: 728 [2021-07-13 22:02:56,081 WARN L205 SmtUtils]: Spent 669.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 753 [2021-07-13 22:02:56,861 WARN L205 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 1155 DAG size of output: 775 [2021-07-13 22:02:57,757 WARN L205 SmtUtils]: Spent 890.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-13 22:02:58,651 WARN L205 SmtUtils]: Spent 889.00 ms on a formula simplification. DAG size of input: 1175 DAG size of output: 796 [2021-07-13 22:02:59,706 WARN L205 SmtUtils]: Spent 1.05 s on a formula simplification. DAG size of input: 1192 DAG size of output: 813 [2021-07-13 22:03:02,039 WARN L205 SmtUtils]: Spent 2.33 s on a formula simplification. DAG size of input: 815 DAG size of output: 982 [2021-07-13 22:03:03,821 WARN L205 SmtUtils]: Spent 1.73 s on a formula simplification. DAG size of input: 786 DAG size of output: 884 [2021-07-13 22:03:04,968 WARN L205 SmtUtils]: Spent 1.14 s on a formula simplification. DAG size of input: 765 DAG size of output: 798 [2021-07-13 22:03:06,544 WARN L205 SmtUtils]: Spent 1.57 s on a formula simplification. DAG size of input: 754 DAG size of output: 1042 [2021-07-13 22:03:07,387 WARN L205 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 741 DAG size of output: 844 [2021-07-13 22:03:07,718 WARN L205 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 317 [2021-07-13 22:03:08,733 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 270 DAG size of output: 179 [2021-07-13 22:03:08,843 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 256 [2021-07-13 22:03:08,990 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-13 22:03:10,039 WARN L205 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 230 [2021-07-13 22:03:10,237 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 357 DAG size of output: 252 [2021-07-13 22:03:10,429 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 369 DAG size of output: 259 [2021-07-13 22:03:11,277 WARN L205 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 199 [2021-07-13 22:03:11,608 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 331 [2021-07-13 22:03:12,015 WARN L205 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 566 DAG size of output: 350 [2021-07-13 22:03:13,147 WARN L205 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 247 DAG size of output: 213 [2021-07-13 22:03:13,312 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 315 DAG size of output: 217 [2021-07-13 22:03:13,841 WARN L205 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 385 DAG size of output: 246 [2021-07-13 22:03:14,330 WARN L205 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 763 DAG size of output: 331 [2021-07-13 22:03:14,497 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 262 [2021-07-13 22:03:14,712 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 324 [2021-07-13 22:03:14,877 WARN L205 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 216 DAG size of output: 244 [2021-07-13 22:03:15,501 WARN L205 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 257 [2021-07-13 22:03:15,789 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 218 [2021-07-13 22:03:15,918 WARN L205 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 210 [2021-07-13 22:03:16,076 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 359 DAG size of output: 228 [2021-07-13 22:03:16,245 WARN L205 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 241 [2021-07-13 22:03:16,830 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 210 [2021-07-13 22:03:17,486 WARN L205 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 296 DAG size of output: 238 [2021-07-13 22:03:17,654 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 395 DAG size of output: 282 [2021-07-13 22:03:17,889 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 300 [2021-07-13 22:03:18,223 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 640 DAG size of output: 296 [2021-07-13 22:03:19,774 WARN L205 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 216 [2021-07-13 22:03:19,929 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 348 DAG size of output: 235 [2021-07-13 22:03:20,412 WARN L205 SmtUtils]: Spent 481.00 ms on a formula simplification. DAG size of input: 834 DAG size of output: 313 [2021-07-13 22:03:21,474 WARN L205 SmtUtils]: Spent 1.06 s on a formula simplification. DAG size of input: 1222 DAG size of output: 455 [2021-07-13 22:03:22,950 WARN L205 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 1424 DAG size of output: 577 [2021-07-13 22:03:23,120 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 277 [2021-07-13 22:03:23,330 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 283 [2021-07-13 22:03:23,479 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 273 [2021-07-13 22:03:24,308 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 239 [2021-07-13 22:03:24,476 WARN L205 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 285 [2021-07-13 22:03:24,825 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 219 [2021-07-13 22:03:25,770 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 247 [2021-07-13 22:03:26,015 WARN L205 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 375 DAG size of output: 311 [2021-07-13 22:03:26,459 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 143 [2021-07-13 22:03:27,093 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 186 [2021-07-13 22:03:27,292 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 201 [2021-07-13 22:03:27,791 WARN L205 SmtUtils]: Spent 496.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 400 [2021-07-13 22:03:28,423 WARN L205 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 592 DAG size of output: 483 [2021-07-13 22:03:29,166 WARN L205 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 720 DAG size of output: 507 [2021-07-13 22:03:30,535 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 338 DAG size of output: 251 [2021-07-13 22:03:30,693 WARN L205 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 380 DAG size of output: 272 [2021-07-13 22:03:30,935 WARN L205 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 392 DAG size of output: 285 [2021-07-13 22:03:31,213 WARN L205 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 404 DAG size of output: 288 [2021-07-13 22:03:31,950 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 226 [2021-07-13 22:03:32,416 WARN L205 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 208 [2021-07-13 22:03:32,667 WARN L205 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 331 DAG size of output: 282 [2021-07-13 22:03:33,194 WARN L205 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 257 DAG size of output: 216 [2021-07-13 22:03:33,554 WARN L205 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 466 DAG size of output: 311 [2021-07-13 22:03:33,930 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 521 DAG size of output: 354 [2021-07-13 22:03:34,944 WARN L205 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 217 [2021-07-13 22:03:35,109 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 217 [2021-07-13 22:03:35,760 WARN L205 SmtUtils]: Spent 649.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 451 [2021-07-13 22:03:36,510 WARN L205 SmtUtils]: Spent 747.00 ms on a formula simplification. DAG size of input: 723 DAG size of output: 463 [2021-07-13 22:03:37,831 WARN L205 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 1029 DAG size of output: 672 [2021-07-13 22:03:39,984 WARN L205 SmtUtils]: Spent 2.15 s on a formula simplification. DAG size of input: 1517 DAG size of output: 968 [2021-07-13 22:03:40,950 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 286 [2021-07-13 22:03:41,116 WARN L205 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 287 [2021-07-13 22:03:41,759 WARN L205 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 450 DAG size of output: 312 [2021-07-13 22:03:42,469 WARN L205 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 325 [2021-07-13 22:03:42,844 WARN L205 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 328 [2021-07-13 22:03:42,988 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 240 DAG size of output: 248 [2021-07-13 22:03:43,781 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 212 [2021-07-13 22:03:43,963 WARN L205 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 288 [2021-07-13 22:03:44,815 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 171 [2021-07-13 22:03:45,012 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 188 [2021-07-13 22:03:45,444 WARN L205 SmtUtils]: Spent 430.00 ms on a formula simplification. DAG size of input: 415 DAG size of output: 373 [2021-07-13 22:03:46,472 WARN L205 SmtUtils]: Spent 578.00 ms on a formula simplification. DAG size of input: 516 DAG size of output: 452 [2021-07-13 22:03:47,071 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 211 [2021-07-13 22:03:47,534 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 251 DAG size of output: 235 [2021-07-13 22:03:47,793 WARN L205 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 327 DAG size of output: 297 [2021-07-13 22:03:48,334 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 227 [2021-07-13 22:03:48,776 WARN L205 SmtUtils]: Spent 440.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 393 [2021-07-13 22:03:49,222 WARN L205 SmtUtils]: Spent 443.00 ms on a formula simplification. DAG size of input: 474 DAG size of output: 397 [2021-07-13 22:03:50,053 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 222 [2021-07-13 22:03:50,393 WARN L205 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 264 [2021-07-13 22:03:51,241 WARN L205 SmtUtils]: Spent 845.00 ms on a formula simplification. DAG size of input: 631 DAG size of output: 541 [2021-07-13 22:03:52,267 WARN L205 SmtUtils]: Spent 994.00 ms on a formula simplification. DAG size of input: 680 DAG size of output: 566 [2021-07-13 22:03:53,815 WARN L205 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 1012 DAG size of output: 839 [2021-07-13 22:03:56,210 WARN L205 SmtUtils]: Spent 2.39 s on a formula simplification. DAG size of input: 1410 DAG size of output: 1099 [2021-07-13 22:04:01,215 WARN L205 SmtUtils]: Spent 5.00 s on a formula simplification. DAG size of input: 2226 DAG size of output: 1704 [2021-07-13 22:04:07,916 WARN L205 SmtUtils]: Spent 6.69 s on a formula simplification. DAG size of input: 3213 DAG size of output: 1793 [2021-07-13 22:04:16,288 WARN L205 SmtUtils]: Spent 8.36 s on a formula simplification. DAG size of input: 3741 DAG size of output: 2301 [2021-07-13 22:04:26,275 WARN L205 SmtUtils]: Spent 9.97 s on a formula simplification. DAG size of input: 4093 DAG size of output: 2511 [2021-07-13 22:04:27,584 WARN L205 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 739 DAG size of output: 1024 [2021-07-13 22:04:28,436 WARN L205 SmtUtils]: Spent 843.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 826 [2021-07-13 22:04:28,606 WARN L205 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 255 DAG size of output: 281 [2021-07-13 22:04:28,847 WARN L205 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 294 [2021-07-13 22:04:30,092 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 243 [2021-07-13 22:04:30,582 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 311 DAG size of output: 284 [2021-07-13 22:04:31,225 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-13 22:04:31,360 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 243 [2021-07-13 22:04:31,898 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 226 DAG size of output: 212 [2021-07-13 22:04:32,347 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 243 [2021-07-13 22:04:32,594 WARN L205 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-13 22:04:32,847 WARN L205 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 311 [2021-07-13 22:04:33,301 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 457 DAG size of output: 428 [2021-07-13 22:04:34,081 WARN L205 SmtUtils]: Spent 777.00 ms on a formula simplification. DAG size of input: 632 DAG size of output: 566 [2021-07-13 22:04:34,814 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 156 [2021-07-13 22:04:35,004 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 193 [2021-07-13 22:04:35,951 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 239 [2021-07-13 22:04:36,192 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 291 [2021-07-13 22:04:36,653 WARN L205 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 389 DAG size of output: 392 [2021-07-13 22:04:37,988 WARN L205 SmtUtils]: Spent 1.33 s on a formula simplification. DAG size of input: 859 DAG size of output: 794 [2021-07-13 22:04:39,577 WARN L205 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 1020 DAG size of output: 881 [2021-07-13 22:04:39,868 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 235 [2021-07-13 22:04:40,019 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 297 [2021-07-13 22:04:40,156 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 236 [2021-07-13 22:04:40,384 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 244 [2021-07-13 22:04:41,044 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 207 [2021-07-13 22:04:41,328 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 334 [2021-07-13 22:04:41,803 WARN L205 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 209 [2021-07-13 22:04:41,922 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 226 [2021-07-13 22:04:42,463 WARN L205 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 340 DAG size of output: 310 [2021-07-13 22:04:43,049 WARN L205 SmtUtils]: Spent 584.00 ms on a formula simplification. DAG size of input: 478 DAG size of output: 446 [2021-07-13 22:04:43,237 WARN L205 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 195 [2021-07-13 22:04:43,985 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 256 [2021-07-13 22:04:44,362 WARN L205 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 308 [2021-07-13 22:04:45,180 WARN L205 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 695 DAG size of output: 508 [2021-07-13 22:04:45,859 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 156 [2021-07-13 22:04:46,010 WARN L205 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 173 [2021-07-13 22:04:46,263 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 215 [2021-07-13 22:04:47,519 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 262 [2021-07-13 22:04:48,071 WARN L205 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 284 [2021-07-13 22:04:48,461 WARN L205 SmtUtils]: Spent 387.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 348 [2021-07-13 22:04:49,754 WARN L205 SmtUtils]: Spent 1.29 s on a formula simplification. DAG size of input: 994 DAG size of output: 708 [2021-07-13 22:04:51,244 WARN L205 SmtUtils]: Spent 1.49 s on a formula simplification. DAG size of input: 1148 DAG size of output: 774 [2021-07-13 22:04:54,560 WARN L205 SmtUtils]: Spent 3.31 s on a formula simplification. DAG size of input: 1747 DAG size of output: 1412 [2021-07-13 22:04:54,682 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 253 [2021-07-13 22:04:54,831 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 259 [2021-07-13 22:04:54,943 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 201 DAG size of output: 256 [2021-07-13 22:04:55,798 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 190 [2021-07-13 22:04:56,710 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 248 DAG size of output: 203 [2021-07-13 22:04:56,909 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 390 DAG size of output: 249 [2021-07-13 22:04:57,123 WARN L205 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 321 [2021-07-13 22:04:57,306 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 260 [2021-07-13 22:04:57,621 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 192 [2021-07-13 22:04:57,988 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 302 DAG size of output: 249 [2021-07-13 22:04:58,165 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 329 DAG size of output: 271 [2021-07-13 22:04:58,444 WARN L205 SmtUtils]: Spent 239.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 251 [2021-07-13 22:04:58,905 WARN L205 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 251 [2021-07-13 22:04:59,099 WARN L205 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 347 DAG size of output: 274 [2021-07-13 22:04:59,349 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 461 DAG size of output: 321 [2021-07-13 22:04:59,486 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 238 [2021-07-13 22:05:00,108 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 253 [2021-07-13 22:05:00,488 WARN L205 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 254 DAG size of output: 213 [2021-07-13 22:05:00,670 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 334 DAG size of output: 242 [2021-07-13 22:05:00,941 WARN L205 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 373 DAG size of output: 265 [2021-07-13 22:05:01,355 WARN L205 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 678 DAG size of output: 330 [2021-07-13 22:05:01,978 WARN L205 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 911 DAG size of output: 360 [2021-07-13 22:05:02,124 WARN L205 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 245 [2021-07-13 22:05:03,082 WARN L205 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 225 [2021-07-13 22:05:04,096 WARN L205 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 310 DAG size of output: 261 [2021-07-13 22:05:04,323 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-13 22:05:04,538 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 344 DAG size of output: 283 [2021-07-13 22:05:04,900 WARN L205 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 504 DAG size of output: 357 [2021-07-13 22:05:05,412 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 560 DAG size of output: 385 [2021-07-13 22:05:06,393 WARN L205 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 218 [2021-07-13 22:05:06,645 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 318 DAG size of output: 242 [2021-07-13 22:05:07,138 WARN L205 SmtUtils]: Spent 490.00 ms on a formula simplification. DAG size of input: 743 DAG size of output: 350 [2021-07-13 22:05:08,413 WARN L205 SmtUtils]: Spent 1.27 s on a formula simplification. DAG size of input: 1315 DAG size of output: 518 [2021-07-13 22:05:13,768 WARN L205 SmtUtils]: Spent 5.35 s on a formula simplification. DAG size of input: 2765 DAG size of output: 1722 [2021-07-13 22:05:19,798 WARN L205 SmtUtils]: Spent 6.02 s on a formula simplification. DAG size of input: 2888 DAG size of output: 1777 [2021-07-13 22:05:27,250 WARN L205 SmtUtils]: Spent 7.44 s on a formula simplification. DAG size of input: 3423 DAG size of output: 2286 [2021-07-13 22:05:36,190 WARN L205 SmtUtils]: Spent 8.92 s on a formula simplification. DAG size of input: 3768 DAG size of output: 2589 [2021-07-13 22:05:37,236 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 320 DAG size of output: 242 [2021-07-13 22:05:38,089 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 227 [2021-07-13 22:05:38,258 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 308 DAG size of output: 257 [2021-07-13 22:05:39,301 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 255 [2021-07-13 22:05:39,453 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 288 DAG size of output: 268 [2021-07-13 22:05:39,639 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 290 DAG size of output: 266 [2021-07-13 22:05:39,923 WARN L205 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 400 DAG size of output: 348 [2021-07-13 22:05:40,819 WARN L205 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 488 DAG size of output: 411 [2021-07-13 22:05:41,345 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 604 DAG size of output: 475 [2021-07-13 22:05:42,081 WARN L205 SmtUtils]: Spent 733.00 ms on a formula simplification. DAG size of input: 616 DAG size of output: 486 [2021-07-13 22:05:42,941 WARN L205 SmtUtils]: Spent 857.00 ms on a formula simplification. DAG size of input: 626 DAG size of output: 495 [2021-07-13 22:05:44,485 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 223 [2021-07-13 22:05:44,607 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 265 DAG size of output: 237 [2021-07-13 22:05:44,764 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 235 [2021-07-13 22:05:44,988 WARN L205 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 370 DAG size of output: 303 [2021-07-13 22:05:45,720 WARN L205 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 350 [2021-07-13 22:05:46,492 WARN L205 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 264 DAG size of output: 194 [2021-07-13 22:05:46,887 WARN L205 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 538 DAG size of output: 386 [2021-07-13 22:05:47,449 WARN L205 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 550 DAG size of output: 399 [2021-07-13 22:05:49,041 WARN L205 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 1065 DAG size of output: 745 [2021-07-13 22:05:50,756 WARN L205 SmtUtils]: Spent 1.71 s on a formula simplification. DAG size of input: 1077 DAG size of output: 744 [2021-07-13 22:05:52,735 WARN L205 SmtUtils]: Spent 1.97 s on a formula simplification. DAG size of input: 1098 DAG size of output: 750 [2021-07-13 22:06:04,961 WARN L205 SmtUtils]: Spent 12.22 s on a formula simplification. DAG size of input: 4707 DAG size of output: 3202 [2021-07-13 22:06:28,593 WARN L205 SmtUtils]: Spent 23.61 s on a formula simplification. DAG size of input: 6894 DAG size of output: 4324 [2021-07-13 22:06:55,159 WARN L205 SmtUtils]: Spent 26.53 s on a formula simplification. DAG size of input: 7322 DAG size of output: 4477 [2021-07-13 22:06:56,302 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 552 DAG size of output: 317 [2021-07-13 22:06:56,459 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 578 DAG size of output: 343 [2021-07-13 22:06:57,972 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 346 DAG size of output: 243 [2021-07-13 22:06:58,247 WARN L205 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 603 DAG size of output: 378 [2021-07-13 22:06:58,569 WARN L205 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 629 DAG size of output: 404 [2021-07-13 22:06:59,221 WARN L205 SmtUtils]: Spent 647.00 ms on a formula simplification. DAG size of input: 1107 DAG size of output: 627 [2021-07-13 22:07:00,006 WARN L205 SmtUtils]: Spent 779.00 ms on a formula simplification. DAG size of input: 1134 DAG size of output: 654 [2021-07-13 22:07:31,057 WARN L205 SmtUtils]: Spent 31.03 s on a formula simplification. DAG size of input: 8002 DAG size of output: 4954 [2021-07-13 22:08:07,155 WARN L205 SmtUtils]: Spent 36.06 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-13 22:08:41,201 WARN L205 SmtUtils]: Spent 34.01 s on a formula simplification. DAG size of input: 8427 DAG size of output: 5282 [2021-07-13 22:09:19,411 WARN L205 SmtUtils]: Spent 38.18 s on a formula simplification. DAG size of input: 8440 DAG size of output: 5295 [2021-07-13 22:10:17,036 WARN L205 SmtUtils]: Spent 57.59 s on a formula simplification. DAG size of input: 5297 DAG size of output: 7538 [2021-07-13 22:11:14,728 WARN L205 SmtUtils]: Spent 57.65 s on a formula simplification. DAG size of input: 4323 DAG size of output: 6374 [2021-07-13 22:12:14,440 WARN L205 SmtUtils]: Spent 59.67 s on a formula simplification. DAG size of input: 3823 DAG size of output: 4222 [2021-07-13 22:12:22,078 WARN L205 SmtUtils]: Spent 7.62 s on a formula simplification. DAG size of input: 1942 DAG size of output: 1778 [2021-07-13 22:12:35,555 WARN L205 SmtUtils]: Spent 13.47 s on a formula simplification. DAG size of input: 1680 DAG size of output: 1578 [2021-07-13 22:12:35,827 WARN L205 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 1450 [2021-07-13 22:12:44,414 WARN L205 SmtUtils]: Spent 8.58 s on a formula simplification. DAG size of input: 1347 DAG size of output: 1954 [2021-07-13 22:12:44,937 WARN L205 SmtUtils]: Spent 515.00 ms on a formula simplification. DAG size of input: 1150 DAG size of output: 1150 [2021-07-13 22:12:45,320 WARN L205 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 1034 DAG size of output: 1034 [2021-07-13 22:12:50,187 WARN L205 SmtUtils]: Spent 4.34 s on a formula simplification. DAG size of input: 981 DAG size of output: 1395 [2021-07-13 22:12:50,309 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification that was a NOOP. DAG size: 872 [2021-07-13 22:12:50,420 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 595 DAG size of output: 595 [2021-07-13 22:12:51,485 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 396 DAG size of output: 272 [2021-07-13 22:12:51,940 WARN L205 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 502 DAG size of output: 331 [2021-07-13 22:12:52,247 WARN L205 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 575 DAG size of output: 377 [2021-07-13 22:12:53,343 WARN L205 SmtUtils]: Spent 451.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 472 [2021-07-13 22:12:53,449 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 535 DAG size of output: 535 [2021-07-13 22:12:53,945 WARN L205 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 187 [2021-07-13 22:12:54,317 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 266 [2021-07-13 22:12:55,412 WARN L205 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 351 DAG size of output: 289 [2021-07-13 22:12:55,692 WARN L205 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 524 DAG size of output: 337 [2021-07-13 22:12:56,069 WARN L205 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 633 DAG size of output: 399 [2021-07-13 22:12:56,561 WARN L205 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 752 DAG size of output: 473 [2021-07-13 22:12:57,669 WARN L205 SmtUtils]: Spent 1.10 s on a formula simplification. DAG size of input: 1245 DAG size of output: 754 [2021-07-13 22:12:57,889 WARN L205 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 778 DAG size of output: 778 [2021-07-13 22:12:59,143 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 300 DAG size of output: 244 [2021-07-13 22:12:59,304 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 463 DAG size of output: 279 [2021-07-13 22:12:59,822 WARN L205 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 549 DAG size of output: 355 [2021-07-13 22:13:00,182 WARN L205 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 624 DAG size of output: 427 [2021-07-13 22:13:00,287 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 556 DAG size of output: 556 [2021-07-13 22:13:01,929 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 216 [2021-07-13 22:13:02,382 WARN L205 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 441 DAG size of output: 294 [2021-07-13 22:13:02,659 WARN L205 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 518 DAG size of output: 361 [2021-07-13 22:13:03,054 WARN L205 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 710 DAG size of output: 434 [2021-07-13 22:13:03,974 WARN L205 SmtUtils]: Spent 917.00 ms on a formula simplification. DAG size of input: 1001 DAG size of output: 614 [2021-07-13 22:13:06,186 WARN L205 SmtUtils]: Spent 2.21 s on a formula simplification. DAG size of input: 1979 DAG size of output: 1146 [2021-07-13 22:13:08,914 WARN L205 SmtUtils]: Spent 2.72 s on a formula simplification. DAG size of input: 2136 DAG size of output: 1241 [2021-07-13 22:13:12,162 WARN L205 SmtUtils]: Spent 3.24 s on a formula simplification. DAG size of input: 2252 DAG size of output: 1326 [2021-07-13 22:13:17,628 WARN L205 SmtUtils]: Spent 5.45 s on a formula simplification. DAG size of input: 3080 DAG size of output: 1978 [2021-07-13 22:13:18,019 WARN L205 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 230 DAG size of output: 294 [2021-07-13 22:13:18,242 WARN L205 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 219 DAG size of output: 228 [2021-07-13 22:13:19,665 WARN L205 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 227 [2021-07-13 22:13:19,914 WARN L205 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 462 DAG size of output: 301 [2021-07-13 22:13:20,272 WARN L205 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 547 DAG size of output: 370 [2021-07-13 22:13:26,270 WARN L205 SmtUtils]: Spent 5.99 s on a formula simplification. DAG size of input: 3478 DAG size of output: 2225 [2021-07-13 22:13:26,886 WARN L205 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 431 [2021-07-13 22:13:27,485 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 225 [2021-07-13 22:13:27,625 WARN L205 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 299 DAG size of output: 243 [2021-07-13 22:13:27,777 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 237 [2021-07-13 22:13:28,009 WARN L205 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 247 [2021-07-13 22:13:28,116 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 217 [2021-07-13 22:13:28,871 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 241 [2021-07-13 22:13:29,020 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 266 [2021-07-13 22:13:29,661 WARN L205 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 291 DAG size of output: 241 [2021-07-13 22:13:29,817 WARN L205 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 397 DAG size of output: 310 [2021-07-13 22:13:30,020 WARN L205 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 405 DAG size of output: 316 [2021-07-13 22:13:30,382 WARN L205 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 577 DAG size of output: 411 [2021-07-13 22:13:31,044 WARN L205 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 797 DAG size of output: 543 [2021-07-13 22:13:31,888 WARN L205 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 909 DAG size of output: 604 [2021-07-13 22:13:39,503 WARN L205 SmtUtils]: Spent 7.61 s on a formula simplification. DAG size of input: 4146 DAG size of output: 2641 [2021-07-13 22:13:48,337 WARN L205 SmtUtils]: Spent 8.82 s on a formula simplification. DAG size of input: 4264 DAG size of output: 2757 [2021-07-13 22:14:06,403 WARN L205 SmtUtils]: Spent 18.04 s on a formula simplification. DAG size of input: 6395 DAG size of output: 4339 [2021-07-13 22:14:33,010 WARN L205 SmtUtils]: Spent 26.57 s on a formula simplification. DAG size of input: 4239 DAG size of output: 3919 [2021-07-13 22:15:46,548 WARN L205 SmtUtils]: Spent 1.23 m on a formula simplification. DAG size of input: 3721 DAG size of output: 4036 [2021-07-13 22:16:05,327 WARN L205 SmtUtils]: Spent 18.76 s on a formula simplification. DAG size of input: 1864 DAG size of output: 1732 [2021-07-13 22:16:05,768 WARN L205 SmtUtils]: Spent 389.00 ms on a formula simplification. DAG size of input: 235 DAG size of output: 306 [2021-07-13 22:16:05,996 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 236 [2021-07-13 22:16:06,105 WARN L205 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 212 [2021-07-13 22:16:07,133 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 366 DAG size of output: 278 [2021-07-13 22:16:07,387 WARN L205 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 440 DAG size of output: 322 [2021-07-13 22:16:07,537 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 201 [2021-07-13 22:16:08,362 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 316 DAG size of output: 254 [2021-07-13 22:16:08,586 WARN L205 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 361 DAG size of output: 271 [2021-07-13 22:16:08,888 WARN L205 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 290 [2021-07-13 22:16:09,721 WARN L205 SmtUtils]: Spent 829.00 ms on a formula simplification. DAG size of input: 724 DAG size of output: 477 [2021-07-13 22:16:10,462 WARN L205 SmtUtils]: Spent 732.00 ms on a formula simplification. DAG size of input: 1605 DAG size of output: 1605 Received shutdown request... [2021-07-13 22:16:28,013 WARN L205 SmtUtils]: Spent 17.54 s on a formula simplification. DAG size of input: 1500 DAG size of output: 2098 [2021-07-13 22:16:28,223 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable2423 [2021-07-13 22:16:28,223 WARN L547 AbstractCegarLoop]: Verification canceled [2021-07-13 22:16:28,229 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-13 22:16:28,230 WARN L196 ceAbstractionStarter]: Timeout [2021-07-13 22:16:28,230 INFO L202 PluginConnector]: Adding new model unroll-cond-3.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.07 10:16:28 BasicIcfg [2021-07-13 22:16:28,230 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-13 22:16:28,231 INFO L168 Benchmark]: Toolchain (without parser) took 870335.17 ms. Allocated memory was 307.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 286.4 MB in the beginning and 501.7 MB in the end (delta: -215.3 MB). Peak memory consumption was 826.9 MB. Max. memory is 8.0 GB. [2021-07-13 22:16:28,231 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 307.2 MB. Free memory was 287.5 MB in the beginning and 287.5 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-13 22:16:28,231 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.93 ms. Allocated memory is still 307.2 MB. Free memory was 286.3 MB in the beginning and 284.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 22:16:28,231 INFO L168 Benchmark]: Boogie Preprocessor took 17.84 ms. Allocated memory is still 307.2 MB. Free memory was 284.8 MB in the beginning and 283.9 MB in the end (delta: 931.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-13 22:16:28,231 INFO L168 Benchmark]: RCFGBuilder took 311.51 ms. Allocated memory is still 307.2 MB. Free memory was 283.8 MB in the beginning and 266.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. [2021-07-13 22:16:28,231 INFO L168 Benchmark]: TraceAbstraction took 869972.94 ms. Allocated memory was 307.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 266.2 MB in the beginning and 501.7 MB in the end (delta: -235.5 MB). Peak memory consumption was 804.9 MB. Max. memory is 8.0 GB. [2021-07-13 22:16:28,231 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.11 ms. Allocated memory is still 307.2 MB. Free memory was 287.5 MB in the beginning and 287.5 MB in the end (delta: 71.1 kB). There was no memory consumed. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 26.93 ms. Allocated memory is still 307.2 MB. Free memory was 286.3 MB in the beginning and 284.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 17.84 ms. Allocated memory is still 307.2 MB. Free memory was 284.8 MB in the beginning and 283.9 MB in the end (delta: 931.6 kB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 311.51 ms. Allocated memory is still 307.2 MB. Free memory was 283.8 MB in the beginning and 266.7 MB in the end (delta: 17.1 MB). Peak memory consumption was 16.8 MB. Max. memory is 8.0 GB. * TraceAbstraction took 869972.94 ms. Allocated memory was 307.2 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 266.2 MB in the beginning and 501.7 MB in the end (delta: -235.5 MB). Peak memory consumption was 804.9 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0 ], Maximal queried relation: -1, Independence queries for same thread: 0 - TimeoutResultAtElement [Line: 61]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while PartialOrderCegarLoop was analyzing trace of length 25 with TraceHistMax 11,while TraceCheckSpWp was constructing forward predicates,while PartialQuantifierElimination was eliminating quantifiers from formula with 0 quantifier alternations,while QuantifierPusher was running 1 iterations of DualJunctionQuantifierElimination. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 22 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 869853.4ms, OverallIterations: 15, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 18.2ms, PartialOrderReductionTime: 3265.9ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=16occurred in iteration=0, InterpolantAutomatonStates: 169, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 66.9ms SsaConstructionTime, 301.2ms SatisfiabilityAnalysisTime, 44636.2ms InterpolantComputationTime, 452 NumberOfCodeBlocks, 452 NumberOfCodeBlocksAsserted, 47 NumberOfCheckSat, 425 ConstructedInterpolants, 0 QuantifiedInterpolants, 4860 SizeOfPredicates, 28 NumberOfNonLiveVariables, 858 ConjunctsInSsa, 379 ConjunctsInUnsatCore, 27 InterpolantComputations, 1 PerfectInterpolantSequences, 93/640 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown