/usr/bin/java -Xmx16000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-Sleep-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 09:14:44,565 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 09:14:44,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 09:14:44,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 09:14:44,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 09:14:44,607 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 09:14:44,609 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 09:14:44,613 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 09:14:44,616 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 09:14:44,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 09:14:44,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 09:14:44,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 09:14:44,623 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 09:14:44,624 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 09:14:44,625 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 09:14:44,626 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 09:14:44,629 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 09:14:44,629 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 09:14:44,631 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 09:14:44,638 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 09:14:44,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 09:14:44,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 09:14:44,642 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 09:14:44,643 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 09:14:44,649 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 09:14:44,649 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 09:14:44,650 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 09:14:44,651 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 09:14:44,651 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 09:14:44,652 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 09:14:44,652 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 09:14:44,653 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 09:14:44,655 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 09:14:44,655 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 09:14:44,656 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 09:14:44,656 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 09:14:44,657 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 09:14:44,657 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 09:14:44,657 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 09:14:44,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 09:14:44,658 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 09:14:44,659 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-Sleep-NoLbe-Delay.epf [2021-03-12 09:14:44,691 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 09:14:44,692 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 09:14:44,692 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 09:14:44,692 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 09:14:44,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 09:14:44,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 09:14:44,695 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 09:14:44,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 09:14:44,696 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 09:14:44,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 09:14:44,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 09:14:44,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 09:14:44,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 09:14:44,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 09:14:44,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 09:14:44,697 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 09:14:44,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 09:14:44,697 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 09:14:44,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 09:14:44,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 09:14:44,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 09:14:44,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 09:14:44,698 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 09:14:44,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 09:14:44,698 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 09:14:44,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 09:14:44,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 09:14:44,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 09:14:44,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 09:14:44,699 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 09:14:44,699 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 09:14:44,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 09:14:44,700 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 09:14:44,700 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 09:14:44,991 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 09:14:45,016 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 09:14:45,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 09:14:45,019 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 09:14:45,020 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 09:14:45,021 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl [2021-03-12 09:14:45,021 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20/nonblocking-cntr-alt.wvr.bpl' [2021-03-12 09:14:45,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 09:14:45,062 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 09:14:45,063 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 09:14:45,064 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 09:14:45,064 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 09:14:45,075 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,081 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 09:14:45,091 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 09:14:45,091 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 09:14:45,092 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 09:14:45,099 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,099 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,100 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,100 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,102 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,105 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,105 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/1) ... [2021-03-12 09:14:45,106 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 09:14:45,107 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 09:14:45,107 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 09:14:45,107 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 09:14:45,109 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (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 [2021-03-12 09:14:45,158 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 09:14:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 09:14:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 09:14:45,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 09:14:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 09:14:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 09:14:45,159 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 09:14:45,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 09:14:45,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 09:14:45,160 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-03-12 09:14:45,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 09:14:45,353 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 09:14:45,354 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:14:45 BoogieIcfgContainer [2021-03-12 09:14:45,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 09:14:45,356 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 09:14:45,356 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 09:14:45,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 09:14:45,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 09:14:45" (1/2) ... [2021-03-12 09:14:45,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5c9b3aeb and model type nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 09:14:45, skipping insertion in model container [2021-03-12 09:14:45,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 09:14:45" (2/2) ... [2021-03-12 09:14:45,360 INFO L111 eAbstractionObserver]: Analyzing ICFG nonblocking-cntr-alt.wvr.bpl [2021-03-12 09:14:45,364 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 09:14:45,364 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 09:14:45,378 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 09:14:45,378 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 09:14:45,406 INFO L149 ThreadInstanceAdder]: Constructed 2 joinOtherThreadTransitions. [2021-03-12 09:14:45,421 INFO L253 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 [2021-03-12 09:14:45,462 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 09:14:45,462 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 09:14:45,462 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 09:14:45,463 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 09:14:45,463 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 09:14:45,463 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 09:14:45,463 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 09:14:45,463 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 09:14:45,544 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:14:45,548 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:14:45,548 INFO L82 PathProgramCache]: Analyzing trace with hash 354998285, now seen corresponding path program 1 times [2021-03-12 09:14:45,555 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:14:45,556 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [233388886] [2021-03-12 09:14:45,556 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:14:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:14:46,010 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:46,011 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [233388886] [2021-03-12 09:14:46,012 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [884697875] [2021-03-12 09:14:46,012 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 [2021-03-12 09:14:46,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:14:46,048 INFO L263 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 15 conjunts are in the unsatisfiable core [2021-03-12 09:14:46,053 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:14:46,394 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:46,394 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:14:46,394 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 17 [2021-03-12 09:14:46,396 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [808271465] [2021-03-12 09:14:46,400 INFO L460 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-03-12 09:14:46,400 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:14:46,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-03-12 09:14:46,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=246, Unknown=0, NotChecked=0, Total=306 [2021-03-12 09:14:46,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:46,418 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:14:46,420 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 18 states, 18 states have (on average 1.9444444444444444) internal successors, (35), 17 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) [2021-03-12 09:14:46,420 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:46,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:46,783 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-03-12 09:14:46,784 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:14:46,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:14:46,785 INFO L82 PathProgramCache]: Analyzing trace with hash -1165025529, now seen corresponding path program 2 times [2021-03-12 09:14:46,785 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:14:46,785 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1626909789] [2021-03-12 09:14:46,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:14:46,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:14:47,047 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:47,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1626909789] [2021-03-12 09:14:47,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1572253156] [2021-03-12 09:14:47,048 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 [2021-03-12 09:14:47,089 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:14:47,089 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:14:47,090 WARN L261 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-12 09:14:47,092 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:14:47,541 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:47,542 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:14:47,542 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13] total 24 [2021-03-12 09:14:47,542 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155130254] [2021-03-12 09:14:47,543 INFO L460 AbstractCegarLoop]: Interpolant automaton has 25 states [2021-03-12 09:14:47,543 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:14:47,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2021-03-12 09:14:47,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=103, Invalid=497, Unknown=0, NotChecked=0, Total=600 [2021-03-12 09:14:47,544 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:47,544 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:14:47,544 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 25 states, 25 states have (on average 1.92) internal successors, (48), 24 states have internal predecessors, (48), 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) [2021-03-12 09:14:47,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:47,544 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:47,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:47,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:14:48,199 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:14:48,199 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:14:48,200 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:14:48,200 INFO L82 PathProgramCache]: Analyzing trace with hash 1558100033, now seen corresponding path program 3 times [2021-03-12 09:14:48,200 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:14:48,200 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1133826742] [2021-03-12 09:14:48,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:14:48,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:14:48,653 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 20 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:48,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1133826742] [2021-03-12 09:14:48,654 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [256885030] [2021-03-12 09:14:48,654 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 [2021-03-12 09:14:48,680 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2021-03-12 09:14:48,680 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:14:48,681 WARN L261 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 41 conjunts are in the unsatisfiable core [2021-03-12 09:14:48,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:14:49,208 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:49,209 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:14:49,209 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 16] total 30 [2021-03-12 09:14:49,209 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [511842912] [2021-03-12 09:14:49,210 INFO L460 AbstractCegarLoop]: Interpolant automaton has 31 states [2021-03-12 09:14:49,210 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:14:49,210 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2021-03-12 09:14:49,211 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=135, Invalid=795, Unknown=0, NotChecked=0, Total=930 [2021-03-12 09:14:49,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:49,211 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:14:49,211 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 31 states, 31 states have (on average 1.935483870967742) internal successors, (60), 30 states have internal predecessors, (60), 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) [2021-03-12 09:14:49,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:49,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:14:49,211 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:50,213 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:14:50,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:14:50,427 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:14:50,427 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:14:50,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:14:50,428 INFO L82 PathProgramCache]: Analyzing trace with hash 572221351, now seen corresponding path program 4 times [2021-03-12 09:14:50,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:14:50,428 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [450033597] [2021-03-12 09:14:50,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:14:50,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:14:51,214 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:51,217 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [450033597] [2021-03-12 09:14:51,218 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2073178116] [2021-03-12 09:14:51,218 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:14:51,263 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:14:51,263 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:14:51,265 WARN L261 TraceCheckSpWp]: Trace formula consists of 133 conjuncts, 93 conjunts are in the unsatisfiable core [2021-03-12 09:14:51,268 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:14:52,646 INFO L134 CoverageAnalysis]: Checked inductivity of 221 backedges. 0 proven. 221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:52,647 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:14:52,647 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 29] total 51 [2021-03-12 09:14:52,648 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2021005109] [2021-03-12 09:14:52,649 INFO L460 AbstractCegarLoop]: Interpolant automaton has 52 states [2021-03-12 09:14:52,649 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:14:52,650 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2021-03-12 09:14:52,651 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=213, Invalid=2439, Unknown=0, NotChecked=0, Total=2652 [2021-03-12 09:14:52,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:52,655 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:14:52,656 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 52 states, 52 states have (on average 2.1346153846153846) internal successors, (111), 51 states have internal predecessors, (111), 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) [2021-03-12 09:14:52,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:52,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:14:52,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:14:52,656 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:53,582 WARN L205 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 55 [2021-03-12 09:14:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:14:54,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:14:54,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:14:54,884 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,6 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:14:54,885 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:14:54,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:14:54,885 INFO L82 PathProgramCache]: Analyzing trace with hash 2009691161, now seen corresponding path program 5 times [2021-03-12 09:14:54,885 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:14:54,885 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [663379641] [2021-03-12 09:14:54,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:14:54,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:14:55,654 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 169 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:55,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [663379641] [2021-03-12 09:14:55,655 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [565550481] [2021-03-12 09:14:55,655 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 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 [2021-03-12 09:14:55,711 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 19 check-sat command(s) [2021-03-12 09:14:55,711 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:14:55,713 WARN L261 TraceCheckSpWp]: Trace formula consists of 168 conjuncts, 121 conjunts are in the unsatisfiable core [2021-03-12 09:14:55,715 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:14:57,263 INFO L134 CoverageAnalysis]: Checked inductivity of 424 backedges. 0 proven. 424 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:14:57,264 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:14:57,264 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 36] total 67 [2021-03-12 09:14:57,264 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602014769] [2021-03-12 09:14:57,264 INFO L460 AbstractCegarLoop]: Interpolant automaton has 68 states [2021-03-12 09:14:57,265 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:14:57,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 68 interpolants. [2021-03-12 09:14:57,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=570, Invalid=3986, Unknown=0, NotChecked=0, Total=4556 [2021-03-12 09:14:57,267 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:14:57,267 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:14:57,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 68 states, 68 states have (on average 2.0588235294117645) internal successors, (140), 67 states have internal predecessors, (140), 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) [2021-03-12 09:14:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:14:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:14:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:14:57,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:14:57,268 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:15:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:15:00,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:15:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:15:00,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:15:00,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:15:00,451 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:15:00,451 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:15:00,452 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:15:00,452 INFO L82 PathProgramCache]: Analyzing trace with hash 446074215, now seen corresponding path program 6 times [2021-03-12 09:15:00,452 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:15:00,452 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067163683] [2021-03-12 09:15:00,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:15:00,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:15:02,557 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 0 proven. 1405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:15:02,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067163683] [2021-03-12 09:15:02,557 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765084871] [2021-03-12 09:15:02,557 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 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 [2021-03-12 09:15:02,705 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 40 check-sat command(s) [2021-03-12 09:15:02,705 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:15:02,709 WARN L261 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 221 conjunts are in the unsatisfiable core [2021-03-12 09:15:02,713 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:15:07,192 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 0 proven. 1405 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:15:07,193 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:15:07,193 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [49, 61] total 107 [2021-03-12 09:15:07,193 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82994011] [2021-03-12 09:15:07,194 INFO L460 AbstractCegarLoop]: Interpolant automaton has 108 states [2021-03-12 09:15:07,194 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:15:07,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2021-03-12 09:15:07,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=733, Invalid=10823, Unknown=0, NotChecked=0, Total=11556 [2021-03-12 09:15:07,198 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:15:07,199 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:15:07,199 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 108 states, 108 states have (on average 2.212962962962963) internal successors, (239), 107 states have internal predecessors, (239), 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) [2021-03-12 09:15:07,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:15:07,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:15:07,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:15:07,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:15:07,199 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:15:07,200 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:15:09,157 WARN L205 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 108 [2021-03-12 09:15:09,429 WARN L205 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 106 [2021-03-12 09:15:09,708 WARN L205 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-03-12 09:15:09,924 WARN L205 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 103 [2021-03-12 09:15:10,144 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 101 [2021-03-12 09:15:10,383 WARN L205 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 106 [2021-03-12 09:15:10,586 WARN L205 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-03-12 09:15:10,807 WARN L205 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-03-12 09:15:11,034 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-03-12 09:15:11,234 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-03-12 09:15:11,500 WARN L205 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-03-12 09:15:11,715 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-03-12 09:15:11,901 WARN L205 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-03-12 09:15:12,135 WARN L205 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-03-12 09:15:12,328 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-03-12 09:15:12,486 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-03-12 09:15:12,701 WARN L205 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-03-12 09:15:12,876 WARN L205 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-03-12 09:15:13,226 WARN L205 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-03-12 09:15:13,400 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-03-12 09:15:13,724 WARN L205 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-03-12 09:15:14,149 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 53 [2021-03-12 09:15:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:15:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:15:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:15:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:15:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:15:15,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:15:15,898 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:15:15,898 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:15:15,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:15:15,899 INFO L82 PathProgramCache]: Analyzing trace with hash -1304378423, now seen corresponding path program 7 times [2021-03-12 09:15:15,899 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:15:15,899 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1032521533] [2021-03-12 09:15:15,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:15:16,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:15:18,166 INFO L134 CoverageAnalysis]: Checked inductivity of 2440 backedges. 841 proven. 1599 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:15:18,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1032521533] [2021-03-12 09:15:18,167 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1240095371] [2021-03-12 09:15:18,167 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 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 [2021-03-12 09:15:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:15:18,233 WARN L261 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 281 conjunts are in the unsatisfiable core [2021-03-12 09:15:18,237 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:15:24,186 INFO L134 CoverageAnalysis]: Checked inductivity of 2440 backedges. 0 proven. 2440 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:15:24,187 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:15:24,187 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [65, 76] total 139 [2021-03-12 09:15:24,187 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [836087132] [2021-03-12 09:15:24,188 INFO L460 AbstractCegarLoop]: Interpolant automaton has 140 states [2021-03-12 09:15:24,188 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:15:24,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 140 interpolants. [2021-03-12 09:15:24,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2350, Invalid=17110, Unknown=0, NotChecked=0, Total=19460 [2021-03-12 09:15:24,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:15:24,194 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:15:24,195 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 140 states, 140 states have (on average 2.142857142857143) internal successors, (300), 139 states have internal predecessors, (300), 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) [2021-03-12 09:15:24,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:15:24,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:15:24,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:15:24,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:15:24,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:15:24,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:15:24,195 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:15:27,552 WARN L205 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 107 [2021-03-12 09:15:27,921 WARN L205 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-03-12 09:15:28,280 WARN L205 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-03-12 09:15:28,573 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-03-12 09:15:28,841 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-03-12 09:15:29,116 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-03-12 09:15:29,419 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-03-12 09:15:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:15:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:15:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:15:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:15:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:15:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:15:35,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-03-12 09:15:35,693 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable6 [2021-03-12 09:15:35,693 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:15:35,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:15:35,694 INFO L82 PathProgramCache]: Analyzing trace with hash 806803687, now seen corresponding path program 8 times [2021-03-12 09:15:35,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:15:35,694 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474623354] [2021-03-12 09:15:35,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:15:35,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:15:42,355 INFO L134 CoverageAnalysis]: Checked inductivity of 6845 backedges. 0 proven. 6845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:15:42,355 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474623354] [2021-03-12 09:15:42,356 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [220156620] [2021-03-12 09:15:42,356 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 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 [2021-03-12 09:15:42,463 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 09:15:42,463 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:15:42,471 WARN L261 TraceCheckSpWp]: Trace formula consists of 613 conjuncts, 477 conjunts are in the unsatisfiable core [2021-03-12 09:15:42,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:15:59,583 INFO L134 CoverageAnalysis]: Checked inductivity of 6845 backedges. 0 proven. 6845 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:15:59,584 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:15:59,584 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [97, 125] total 219 [2021-03-12 09:15:59,584 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593989197] [2021-03-12 09:15:59,585 INFO L460 AbstractCegarLoop]: Interpolant automaton has 220 states [2021-03-12 09:15:59,585 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:15:59,586 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 220 interpolants. [2021-03-12 09:15:59,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2733, Invalid=45447, Unknown=0, NotChecked=0, Total=48180 [2021-03-12 09:15:59,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:15:59,591 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:15:59,591 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 220 states, 220 states have (on average 2.25) internal successors, (495), 219 states have internal predecessors, (495), 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) [2021-03-12 09:15:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:15:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:15:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:15:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:15:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:15:59,591 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:15:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-03-12 09:15:59,592 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:16:06,415 WARN L205 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 249 DAG size of output: 220 [2021-03-12 09:16:07,312 WARN L205 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 218 [2021-03-12 09:16:08,230 WARN L205 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 252 DAG size of output: 223 [2021-03-12 09:16:08,967 WARN L205 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 243 DAG size of output: 215 [2021-03-12 09:16:09,729 WARN L205 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 244 DAG size of output: 213 [2021-03-12 09:16:10,499 WARN L205 SmtUtils]: Spent 594.00 ms on a formula simplification. DAG size of input: 246 DAG size of output: 218 [2021-03-12 09:16:11,207 WARN L205 SmtUtils]: Spent 528.00 ms on a formula simplification. DAG size of input: 236 DAG size of output: 209 [2021-03-12 09:16:11,937 WARN L205 SmtUtils]: Spent 552.00 ms on a formula simplification. DAG size of input: 237 DAG size of output: 207 [2021-03-12 09:16:12,684 WARN L205 SmtUtils]: Spent 571.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 212 [2021-03-12 09:16:13,385 WARN L205 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 228 DAG size of output: 202 [2021-03-12 09:16:14,079 WARN L205 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 229 DAG size of output: 200 [2021-03-12 09:16:14,819 WARN L205 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 231 DAG size of output: 205 [2021-03-12 09:16:15,471 WARN L205 SmtUtils]: Spent 477.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 195 [2021-03-12 09:16:16,134 WARN L205 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 193 [2021-03-12 09:16:16,836 WARN L205 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 198 [2021-03-12 09:16:17,476 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 188 [2021-03-12 09:16:18,111 WARN L205 SmtUtils]: Spent 457.00 ms on a formula simplification. DAG size of input: 213 DAG size of output: 186 [2021-03-12 09:16:18,770 WARN L205 SmtUtils]: Spent 482.00 ms on a formula simplification. DAG size of input: 215 DAG size of output: 191 [2021-03-12 09:16:19,387 WARN L205 SmtUtils]: Spent 441.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 181 [2021-03-12 09:16:20,004 WARN L205 SmtUtils]: Spent 438.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 179 [2021-03-12 09:16:20,647 WARN L205 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 184 [2021-03-12 09:16:21,232 WARN L205 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 174 [2021-03-12 09:16:21,833 WARN L205 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 172 [2021-03-12 09:16:22,461 WARN L205 SmtUtils]: Spent 445.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 177 [2021-03-12 09:16:23,038 WARN L205 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 167 [2021-03-12 09:16:23,609 WARN L205 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 165 [2021-03-12 09:16:24,213 WARN L205 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 170 [2021-03-12 09:16:24,765 WARN L205 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 160 [2021-03-12 09:16:25,309 WARN L205 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 158 [2021-03-12 09:16:25,886 WARN L205 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 163 [2021-03-12 09:16:26,399 WARN L205 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 153 [2021-03-12 09:16:26,962 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 151 [2021-03-12 09:16:27,508 WARN L205 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 156 [2021-03-12 09:16:28,001 WARN L205 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 146 [2021-03-12 09:16:28,505 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 144 [2021-03-12 09:16:29,038 WARN L205 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 149 [2021-03-12 09:16:29,505 WARN L205 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 139 [2021-03-12 09:16:29,994 WARN L205 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 137 [2021-03-12 09:16:30,499 WARN L205 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 142 [2021-03-12 09:16:30,952 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 132 [2021-03-12 09:16:31,427 WARN L205 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 130 [2021-03-12 09:16:31,929 WARN L205 SmtUtils]: Spent 324.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 135 [2021-03-12 09:16:32,377 WARN L205 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 125 [2021-03-12 09:16:32,813 WARN L205 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 123 [2021-03-12 09:16:33,271 WARN L205 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 128 [2021-03-12 09:16:33,679 WARN L205 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 118 [2021-03-12 09:16:34,096 WARN L205 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 116 [2021-03-12 09:16:34,531 WARN L205 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 121 [2021-03-12 09:16:34,928 WARN L205 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 111 [2021-03-12 09:16:35,320 WARN L205 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 109 [2021-03-12 09:16:35,733 WARN L205 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 114 [2021-03-12 09:16:36,099 WARN L205 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 104 [2021-03-12 09:16:36,478 WARN L205 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 102 [2021-03-12 09:16:36,873 WARN L205 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 107 [2021-03-12 09:16:37,216 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 97 [2021-03-12 09:16:37,594 WARN L205 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 95 [2021-03-12 09:16:37,966 WARN L205 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 100 [2021-03-12 09:16:38,290 WARN L205 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 90 [2021-03-12 09:16:38,623 WARN L205 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 88 [2021-03-12 09:16:38,974 WARN L205 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 93 [2021-03-12 09:16:39,274 WARN L205 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 83 [2021-03-12 09:16:39,584 WARN L205 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 81 [2021-03-12 09:16:39,911 WARN L205 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 86 [2021-03-12 09:16:40,209 WARN L205 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 76 [2021-03-12 09:16:40,499 WARN L205 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 74 [2021-03-12 09:16:40,801 WARN L205 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 79 [2021-03-12 09:16:41,065 WARN L205 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 69 [2021-03-12 09:16:41,335 WARN L205 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 67 [2021-03-12 09:16:41,622 WARN L205 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 72 [2021-03-12 09:16:42,115 WARN L205 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 60 [2021-03-12 09:16:42,380 WARN L205 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 65 [2021-03-12 09:16:43,099 WARN L205 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 58 [2021-03-12 09:16:43,558 WARN L205 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2021-03-12 09:16:45,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:16:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:16:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:16:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:16:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:16:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:16:45,799 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-03-12 09:16:45,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-03-12 09:16:46,000 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:16:46,000 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:16:46,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:16:46,001 INFO L82 PathProgramCache]: Analyzing trace with hash 2018951977, now seen corresponding path program 9 times [2021-03-12 09:16:46,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:16:46,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716818854] [2021-03-12 09:16:46,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:16:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:16:55,324 INFO L134 CoverageAnalysis]: Checked inductivity of 11464 backedges. 3721 proven. 7743 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:16:55,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716818854] [2021-03-12 09:16:55,324 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [377795589] [2021-03-12 09:16:55,324 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 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 [2021-03-12 09:16:55,996 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 91 check-sat command(s) [2021-03-12 09:16:55,996 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:16:56,007 WARN L261 TraceCheckSpWp]: Trace formula consists of 768 conjuncts, 601 conjunts are in the unsatisfiable core [2021-03-12 09:16:56,012 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:17:27,099 INFO L134 CoverageAnalysis]: Checked inductivity of 11464 backedges. 0 proven. 11464 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:17:27,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:17:27,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [129, 156] total 283 [2021-03-12 09:17:27,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1081032410] [2021-03-12 09:17:27,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 284 states [2021-03-12 09:17:27,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:17:27,102 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 284 interpolants. [2021-03-12 09:17:27,107 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9558, Invalid=70814, Unknown=0, NotChecked=0, Total=80372 [2021-03-12 09:17:27,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:17:27,107 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:17:27,107 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 284 states, 284 states have (on average 2.183098591549296) internal successors, (620), 283 states have internal predecessors, (620), 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) [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-03-12 09:17:27,108 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:17:50,750 WARN L205 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 284 DAG size of output: 219 [2021-03-12 09:17:52,276 WARN L205 SmtUtils]: Spent 728.00 ms on a formula simplification. DAG size of input: 268 DAG size of output: 210 [2021-03-12 09:17:53,655 WARN L205 SmtUtils]: Spent 707.00 ms on a formula simplification. DAG size of input: 259 DAG size of output: 203 [2021-03-12 09:17:54,956 WARN L205 SmtUtils]: Spent 663.00 ms on a formula simplification. DAG size of input: 250 DAG size of output: 196 [2021-03-12 09:17:56,219 WARN L205 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 189 [2021-03-12 09:17:57,424 WARN L205 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 232 DAG size of output: 182 [2021-03-12 09:17:58,629 WARN L205 SmtUtils]: Spent 601.00 ms on a formula simplification. DAG size of input: 223 DAG size of output: 175 [2021-03-12 09:17:59,790 WARN L205 SmtUtils]: Spent 565.00 ms on a formula simplification. DAG size of input: 214 DAG size of output: 168 [2021-03-12 09:18:01,007 WARN L205 SmtUtils]: Spent 593.00 ms on a formula simplification. DAG size of input: 205 DAG size of output: 161 [2021-03-12 09:18:02,170 WARN L205 SmtUtils]: Spent 526.00 ms on a formula simplification. DAG size of input: 196 DAG size of output: 154 [2021-03-12 09:18:03,288 WARN L205 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 147 [2021-03-12 09:18:04,365 WARN L205 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 178 DAG size of output: 140 [2021-03-12 09:18:05,570 WARN L205 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 133 [2021-03-12 09:18:06,537 WARN L205 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 126 [2021-03-12 09:18:07,479 WARN L205 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 119 [2021-03-12 09:18:08,417 WARN L205 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 112 [2021-03-12 09:18:09,277 WARN L205 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 105 [2021-03-12 09:18:10,110 WARN L205 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 98 [2021-03-12 09:18:10,894 WARN L205 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 91 [2021-03-12 09:18:11,650 WARN L205 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 84 [2021-03-12 09:18:12,376 WARN L205 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 77 [2021-03-12 09:18:13,070 WARN L205 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 70 [2021-03-12 09:18:13,717 WARN L205 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 63 [2021-03-12 09:18:14,326 WARN L205 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 56 [2021-03-12 09:18:14,898 WARN L205 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 49 [2021-03-12 09:18:15,453 WARN L205 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 42 [2021-03-12 09:19:09,775 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:19:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:19:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:19:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:19:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:19:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:19:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 155 states. [2021-03-12 09:19:09,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 130 states. [2021-03-12 09:19:09,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 315 states. [2021-03-12 09:19:09,979 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 09:19:09,979 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 09:19:09,980 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 09:19:09,980 INFO L82 PathProgramCache]: Analyzing trace with hash -851480601, now seen corresponding path program 10 times [2021-03-12 09:19:09,980 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 09:19:09,980 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685150866] [2021-03-12 09:19:09,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 09:19:11,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 09:19:20,935 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 28 [2021-03-12 09:20:30,599 INFO L134 CoverageAnalysis]: Checked inductivity of 30013 backedges. 0 proven. 30013 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:20:30,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685150866] [2021-03-12 09:20:30,600 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416007966] [2021-03-12 09:20:30,600 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 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 [2021-03-12 09:20:30,895 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 09:20:30,895 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 09:20:30,911 WARN L261 TraceCheckSpWp]: Trace formula consists of 1253 conjuncts, 989 conjunts are in the unsatisfiable core [2021-03-12 09:20:30,920 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 09:25:54,980 WARN L205 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 24 [2021-03-12 09:25:57,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30013 backedges. 0 proven. 30013 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 09:25:57,099 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 09:25:57,099 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [193, 253] total 443 [2021-03-12 09:25:57,100 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [900919901] [2021-03-12 09:25:57,101 INFO L460 AbstractCegarLoop]: Interpolant automaton has 444 states [2021-03-12 09:25:57,101 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 09:25:57,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 444 interpolants. [2021-03-12 09:25:57,116 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10573, Invalid=186119, Unknown=0, NotChecked=0, Total=196692 [2021-03-12 09:25:57,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 09:25:57,117 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 09:25:57,118 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 444 states, 444 states have (on average 2.268018018018018) internal successors, (1007), 443 states have internal predecessors, (1007), 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) [2021-03-12 09:25:57,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 10 states. [2021-03-12 09:25:57,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 17 states. [2021-03-12 09:25:57,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 09:25:57,118 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 34 states. [2021-03-12 09:25:57,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 75 states. [2021-03-12 09:25:57,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 66 states. [2021-03-12 09:25:57,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 155 states. [2021-03-12 09:25:57,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 130 states. [2021-03-12 09:25:57,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 315 states. [2021-03-12 09:25:57,119 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-03-12 09:28:23,325 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-03-12 09:28:23,325 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 09:28:23,337 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 09:28:23,337 INFO L202 PluginConnector]: Adding new model nonblocking-cntr-alt.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 09:28:23 BasicIcfg [2021-03-12 09:28:23,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 09:28:23,338 INFO L168 Benchmark]: Toolchain (without parser) took 818278.58 ms. Allocated memory was 255.9 MB in the beginning and 994.1 MB in the end (delta: 738.2 MB). Free memory was 236.6 MB in the beginning and 612.3 MB in the end (delta: -375.7 MB). Peak memory consumption was 364.0 MB. Max. memory is 16.0 GB. [2021-03-12 09:28:23,338 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 09:28:23,338 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-03-12 09:28:23,338 INFO L168 Benchmark]: Boogie Preprocessor took 14.57 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 937.3 kB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 09:28:23,339 INFO L168 Benchmark]: RCFGBuilder took 247.82 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 238.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. [2021-03-12 09:28:23,339 INFO L168 Benchmark]: TraceAbstraction took 817981.57 ms. Allocated memory was 255.9 MB in the beginning and 994.1 MB in the end (delta: 738.2 MB). Free memory was 238.0 MB in the beginning and 612.3 MB in the end (delta: -374.3 MB). Peak memory consumption was 364.2 MB. Max. memory is 16.0 GB. [2021-03-12 09:28:23,339 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 0.12 ms. Allocated memory is still 255.9 MB. Free memory is still 237.6 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 26.80 ms. Allocated memory is still 255.9 MB. Free memory was 236.0 MB in the beginning and 234.7 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 14.57 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.8 MB in the end (delta: 937.3 kB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 247.82 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 238.6 MB in the end (delta: -5.0 MB). Peak memory consumption was 18.6 MB. Max. memory is 16.0 GB. * TraceAbstraction took 817981.57 ms. Allocated memory was 255.9 MB in the beginning and 994.1 MB in the end (delta: 738.2 MB). Free memory was 238.0 MB in the beginning and 612.3 MB in the end (delta: -374.3 MB). Peak memory consumption was 364.2 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2572, positive: 1803, positive conditional: 1803, positive unconditional: 0, negative: 769, negative conditional: 769, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1815, positive: 1803, positive conditional: 1803, positive unconditional: 0, negative: 12, negative conditional: 12, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1815, positive: 1492, positive conditional: 0, positive unconditional: 1492, negative: 323, negative conditional: 0, negative unconditional: 323, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 10, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1815, positive: 1483, positive conditional: 0, positive unconditional: 1483, negative: 322, negative conditional: 0, negative unconditional: 322, unknown: 10, unknown conditional: 0, unknown unconditional: 10] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313, SemanticConditionEliminator.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1437, positive: 311, positive conditional: 311, positive unconditional: 0, negative: 1126, negative conditional: 813, negative unconditional: 313, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 76, positive: 66, positive conditional: 66, positive unconditional: 0, negative: 10, negative conditional: 9, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 475, positive: 369, positive conditional: 369, positive unconditional: 0, negative: 105, negative conditional: 49, negative unconditional: 57, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 1437, positive: 245, positive conditional: 245, positive unconditional: 0, negative: 1117, negative conditional: 804, negative unconditional: 313, unknown: 75, unknown conditional: 75, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 85, Positive cache size: 75, Positive conditional cache size: 66, Positive unconditional cache size: 9, Negative cache size: 10, Negative conditional cache size: 9, Negative unconditional cache size: 1, Eliminated conditions: 313 ], Maximal queried relation: 9, Independence queries for same thread: 757 - TimeoutResultAtElement [Line: 50]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 50). Cancelled while executing SleepSetDelayReduction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 817900.3ms, OverallIterations: 10, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 8.8ms, PartialOrderReductionTime: 321319.2ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 885, 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: 165.0ms SsaConstructionTime, 3518.6ms SatisfiabilityAnalysisTime, 490392.9ms InterpolantComputationTime, 3080 NumberOfCodeBlocks, 3080 NumberOfCodeBlocksAsserted, 175 NumberOfCheckSat, 3060 ConstructedInterpolants, 0 QuantifiedInterpolants, 64746 SizeOfPredicates, 50 NumberOfNonLiveVariables, 3755 ConjunctsInSsa, 2867 ConjunctsInUnsatCore, 20 InterpolantComputations, 0 PerfectInterpolantSequences, 4760/105742 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