/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-more/buffer-series.wvr.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-7cd14b8b9f04096d8ddfd3d9cd8a4ac590fe5404-7cd14b8 [2021-03-12 10:08:25,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-03-12 10:08:25,542 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-03-12 10:08:25,565 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-03-12 10:08:25,566 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-03-12 10:08:25,567 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-03-12 10:08:25,568 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-03-12 10:08:25,570 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-03-12 10:08:25,571 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-03-12 10:08:25,572 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-03-12 10:08:25,573 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-03-12 10:08:25,574 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-03-12 10:08:25,575 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-03-12 10:08:25,575 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-03-12 10:08:25,576 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-03-12 10:08:25,577 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-03-12 10:08:25,578 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-03-12 10:08:25,579 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-03-12 10:08:25,581 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-03-12 10:08:25,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-03-12 10:08:25,584 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-03-12 10:08:25,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-03-12 10:08:25,587 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-03-12 10:08:25,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-03-12 10:08:25,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-03-12 10:08:25,590 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-03-12 10:08:25,590 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-03-12 10:08:25,591 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-03-12 10:08:25,592 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-03-12 10:08:25,592 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-03-12 10:08:25,593 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-03-12 10:08:25,593 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-03-12 10:08:25,594 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-03-12 10:08:25,595 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-03-12 10:08:25,596 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-03-12 10:08:25,596 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-03-12 10:08:25,596 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-03-12 10:08:25,597 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-03-12 10:08:25,597 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-03-12 10:08:25,598 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-03-12 10:08:25,598 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-03-12 10:08:25,605 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 10:08:25,641 INFO L113 SettingsManager]: Loading preferences was successful [2021-03-12 10:08:25,641 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-03-12 10:08:25,642 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-03-12 10:08:25,642 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-03-12 10:08:25,645 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-03-12 10:08:25,645 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-03-12 10:08:25,645 INFO L138 SettingsManager]: * Use SBE=true [2021-03-12 10:08:25,645 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-03-12 10:08:25,645 INFO L138 SettingsManager]: * sizeof long=4 [2021-03-12 10:08:25,645 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-03-12 10:08:25,646 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-03-12 10:08:25,646 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-03-12 10:08:25,647 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-03-12 10:08:25,647 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-03-12 10:08:25,647 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-03-12 10:08:25,647 INFO L138 SettingsManager]: * sizeof long double=12 [2021-03-12 10:08:25,647 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-03-12 10:08:25,647 INFO L138 SettingsManager]: * Use constant arrays=true [2021-03-12 10:08:25,648 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-03-12 10:08:25,649 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-03-12 10:08:25,649 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-03-12 10:08:25,649 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-03-12 10:08:25,653 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-03-12 10:08:25,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 10:08:25,654 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-03-12 10:08:25,654 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-03-12 10:08:25,655 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-03-12 10:08:25,655 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-03-12 10:08:25,655 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-03-12 10:08:25,655 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-03-12 10:08:25,655 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-03-12 10:08:25,655 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-03-12 10:08:25,656 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-03-12 10:08:25,656 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-03-12 10:08:25,971 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-03-12 10:08:25,998 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-03-12 10:08:26,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-03-12 10:08:26,002 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-03-12 10:08:26,003 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-03-12 10:08:26,006 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl [2021-03-12 10:08:26,007 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/weaver-benchmarks/generated/popl20-more/buffer-series.wvr.bpl' [2021-03-12 10:08:26,252 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-03-12 10:08:26,257 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-03-12 10:08:26,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-03-12 10:08:26,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-03-12 10:08:26,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-03-12 10:08:26,268 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,275 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,281 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-03-12 10:08:26,282 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-03-12 10:08:26,282 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-03-12 10:08:26,282 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-03-12 10:08:26,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,290 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,291 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,303 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,304 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... [2021-03-12 10:08:26,308 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-03-12 10:08:26,313 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-03-12 10:08:26,313 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-03-12 10:08:26,313 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-03-12 10:08:26,315 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-03-12 10:08:26,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread1 given in one single declaration [2021-03-12 10:08:26,366 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-03-12 10:08:26,366 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-03-12 10:08:26,366 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread2 given in one single declaration [2021-03-12 10:08:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-03-12 10:08:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-03-12 10:08:26,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-03-12 10:08:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-03-12 10:08:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-03-12 10:08:26,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread3 given in one single declaration [2021-03-12 10:08:26,367 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-03-12 10:08:26,367 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-03-12 10:08:26,367 INFO L124 BoogieDeclarations]: Specification and implementation of procedure thread4 given in one single declaration [2021-03-12 10:08:26,368 INFO L130 BoogieDeclarations]: Found specification of procedure thread4 [2021-03-12 10:08:26,368 INFO L138 BoogieDeclarations]: Found implementation of procedure thread4 [2021-03-12 10:08:26,368 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 10:08:26,578 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-03-12 10:08:26,579 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-03-12 10:08:26,580 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:08:26 BoogieIcfgContainer [2021-03-12 10:08:26,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-03-12 10:08:26,582 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-03-12 10:08:26,582 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-03-12 10:08:26,585 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-03-12 10:08:26,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 12.03 10:08:26" (1/2) ... [2021-03-12 10:08:26,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5d959a31 and model type buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.03 10:08:26, skipping insertion in model container [2021-03-12 10:08:26,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.03 10:08:26" (2/2) ... [2021-03-12 10:08:26,586 INFO L111 eAbstractionObserver]: Analyzing ICFG buffer-series.wvr.bpl [2021-03-12 10:08:26,597 WARN L142 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-03-12 10:08:26,597 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-03-12 10:08:26,600 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-03-12 10:08:26,601 INFO L323 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-03-12 10:08:26,656 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-03-12 10:08:26,670 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-03-12 10:08:26,702 INFO L376 AbstractCegarLoop]: Interprodecural is true [2021-03-12 10:08:26,702 INFO L377 AbstractCegarLoop]: Hoare is true [2021-03-12 10:08:26,702 INFO L378 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-03-12 10:08:26,702 INFO L379 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-03-12 10:08:26,702 INFO L380 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-03-12 10:08:26,702 INFO L381 AbstractCegarLoop]: Difference is false [2021-03-12 10:08:26,702 INFO L382 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-03-12 10:08:26,702 INFO L386 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-03-12 10:08:26,889 INFO L428 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:26,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:26,893 INFO L82 PathProgramCache]: Analyzing trace with hash 354457354, now seen corresponding path program 1 times [2021-03-12 10:08:26,900 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:26,900 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [195570155] [2021-03-12 10:08:26,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:27,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:27,347 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:08:27,348 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [195570155] [2021-03-12 10:08:27,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1322741267] [2021-03-12 10:08:27,350 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 10:08:27,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:27,411 INFO L263 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 23 conjunts are in the unsatisfiable core [2021-03-12 10:08:27,417 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:27,577 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 17 treesize of output 13 [2021-03-12 10:08:27,581 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:08:27,586 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:08:27,587 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:08:27,587 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:20, output treesize:13 [2021-03-12 10:08:27,644 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 11 [2021-03-12 10:08:27,646 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:08:27,648 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:08:27,649 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:08:27,649 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:15, output treesize:7 [2021-03-12 10:08:27,742 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:08:27,743 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:27,743 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6] total 10 [2021-03-12 10:08:27,744 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1462876220] [2021-03-12 10:08:27,748 INFO L460 AbstractCegarLoop]: Interpolant automaton has 11 states [2021-03-12 10:08:27,748 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:27,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2021-03-12 10:08:27,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2021-03-12 10:08:27,796 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:27,798 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:27,800 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 11 states, 11 states have (on average 3.8181818181818183) internal successors, (42), 10 states have internal predecessors, (42), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:08:27,801 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:28,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-03-12 10:08:28,230 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2021-03-12 10:08:28,230 INFO L428 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:28,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:28,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1020637527, now seen corresponding path program 1 times [2021-03-12 10:08:28,231 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:28,232 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [717160846] [2021-03-12 10:08:28,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:28,261 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2021-03-12 10:08:28,262 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [717160846] [2021-03-12 10:08:28,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:08:28,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 10:08:28,262 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582698958] [2021-03-12 10:08:28,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 10:08:28,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:28,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 10:08:28,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 10:08:28,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:28,264 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:28,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:08:28,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2021-03-12 10:08:28,264 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:28,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:28,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,434 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-03-12 10:08:28,434 INFO L428 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:28,436 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:28,436 INFO L82 PathProgramCache]: Analyzing trace with hash -1416781431, now seen corresponding path program 2 times [2021-03-12 10:08:28,436 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:28,437 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150221029] [2021-03-12 10:08:28,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:28,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:28,506 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-03-12 10:08:28,506 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150221029] [2021-03-12 10:08:28,506 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-03-12 10:08:28,507 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-03-12 10:08:28,507 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [713087612] [2021-03-12 10:08:28,507 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-03-12 10:08:28,507 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:28,508 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-03-12 10:08:28,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-03-12 10:08:28,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:28,508 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:28,509 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 10.333333333333334) internal successors, (31), 3 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:08:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,509 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:28,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:28,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,604 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-03-12 10:08:28,604 INFO L428 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:28,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:28,605 INFO L82 PathProgramCache]: Analyzing trace with hash 1850719302, now seen corresponding path program 3 times [2021-03-12 10:08:28,606 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:28,606 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853137064] [2021-03-12 10:08:28,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:28,659 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-03-12 10:08:28,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853137064] [2021-03-12 10:08:28,659 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [624681368] [2021-03-12 10:08:28,659 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 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 10:08:28,697 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2021-03-12 10:08:28,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:28,698 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2021-03-12 10:08:28,699 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:28,782 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-03-12 10:08:28,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-03-12 10:08:28,782 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2021-03-12 10:08:28,782 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009219396] [2021-03-12 10:08:28,783 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-03-12 10:08:28,783 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:28,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-03-12 10:08:28,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-03-12 10:08:28,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:28,789 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:28,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 4 states, 4 states have (on average 7.0) internal successors, (28), 3 states have internal predecessors, (28), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-03-12 10:08:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,789 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:28,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:28,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:28,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:29,040 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:29,041 INFO L428 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:29,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:29,042 INFO L82 PathProgramCache]: Analyzing trace with hash 95258312, now seen corresponding path program 2 times [2021-03-12 10:08:29,042 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:29,042 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043812880] [2021-03-12 10:08:29,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-03-12 10:08:29,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1043812880] [2021-03-12 10:08:29,079 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068653625] [2021-03-12 10:08:29,079 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:29,126 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:08:29,127 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:29,127 INFO L263 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 6 conjunts are in the unsatisfiable core [2021-03-12 10:08:29,129 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:29,262 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-03-12 10:08:29,262 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:29,262 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2021-03-12 10:08:29,263 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1614122764] [2021-03-12 10:08:29,263 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2021-03-12 10:08:29,263 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:29,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-03-12 10:08:29,266 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2021-03-12 10:08:29,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:29,266 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:29,267 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 10 states, 10 states have (on average 5.7) internal successors, (57), 9 states have internal predecessors, (57), 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 10:08:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:29,267 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:29,425 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:29,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 10:08:29,648 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:29,649 INFO L428 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:29,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:29,649 INFO L82 PathProgramCache]: Analyzing trace with hash 546738592, now seen corresponding path program 3 times [2021-03-12 10:08:29,649 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:29,649 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1485678439] [2021-03-12 10:08:29,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:29,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 23 proven. 13 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2021-03-12 10:08:29,718 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1485678439] [2021-03-12 10:08:29,719 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1901642099] [2021-03-12 10:08:29,719 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:29,773 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2021-03-12 10:08:29,773 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:29,774 INFO L263 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 10 conjunts are in the unsatisfiable core [2021-03-12 10:08:29,776 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:29,954 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 41 proven. 5 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-03-12 10:08:29,954 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:29,954 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 9] total 14 [2021-03-12 10:08:29,954 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1514796217] [2021-03-12 10:08:29,955 INFO L460 AbstractCegarLoop]: Interpolant automaton has 15 states [2021-03-12 10:08:29,955 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:29,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2021-03-12 10:08:29,956 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=164, Unknown=0, NotChecked=0, Total=210 [2021-03-12 10:08:29,956 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:29,956 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:29,956 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 15 states, 15 states have (on average 5.2) internal successors, (78), 14 states have internal predecessors, (78), 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 10:08:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:29,956 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:29,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 10:08:29,957 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:30,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-03-12 10:08:30,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:30,410 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2021-03-12 10:08:30,410 INFO L428 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:30,411 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:30,411 INFO L82 PathProgramCache]: Analyzing trace with hash -2077682447, now seen corresponding path program 4 times [2021-03-12 10:08:30,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:30,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2060626310] [2021-03-12 10:08:30,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:30,501 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 15 proven. 11 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 10:08:30,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2060626310] [2021-03-12 10:08:30,501 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [478963591] [2021-03-12 10:08:30,501 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:30,556 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:08:30,557 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:30,557 INFO L263 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 8 conjunts are in the unsatisfiable core [2021-03-12 10:08:30,559 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:30,693 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2021-03-12 10:08:30,694 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:30,696 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 7 [2021-03-12 10:08:30,696 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977973879] [2021-03-12 10:08:30,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2021-03-12 10:08:30,698 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:30,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-03-12 10:08:30,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2021-03-12 10:08:30,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:30,699 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:30,699 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 8 states, 8 states have (on average 5.5) internal successors, (44), 7 states have internal predecessors, (44), 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 10:08:30,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:30,699 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:30,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:30,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:30,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 11 states. [2021-03-12 10:08:30,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:30,700 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:30,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:31,211 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,7 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:31,211 INFO L428 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:31,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:31,212 INFO L82 PathProgramCache]: Analyzing trace with hash 44009845, now seen corresponding path program 5 times [2021-03-12 10:08:31,212 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:31,212 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428588873] [2021-03-12 10:08:31,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:32,657 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:08:32,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428588873] [2021-03-12 10:08:32,657 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1808664690] [2021-03-12 10:08:32,657 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:32,733 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 5 check-sat command(s) [2021-03-12 10:08:32,734 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:32,735 INFO L263 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 82 conjunts are in the unsatisfiable core [2021-03-12 10:08:32,742 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:34,094 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 4 select indices, 4 select index equivalence classes, 6 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 73 treesize of output 57 [2021-03-12 10:08:34,097 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:08:34,118 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:08:34,128 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: 2 dim-0 vars, and 1 xjuncts. [2021-03-12 10:08:34,128 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:102, output treesize:74 [2021-03-12 10:08:34,855 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:34,856 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:34,857 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:34,858 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:34,859 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:34,860 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:08:34,860 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:34,861 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:34,862 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 6 disjoint index pairs (out of 10 index pairs), introduced 4 new quantified variables, introduced 0 case distinctions, treesize of input 64 treesize of output 40 [2021-03-12 10:08:34,864 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:08:34,878 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:08:34,881 INFO L550 ElimStorePlain]: Start of recursive call 1: 4 dim-0 vars, 1 dim-1 vars, End of recursive call: 1 dim-0 vars, and 1 xjuncts. [2021-03-12 10:08:34,882 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 5 variables, input treesize:95, output treesize:37 [2021-03-12 10:08:35,462 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:35,463 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:08:35,464 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:35,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:35,466 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:35,466 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:08:35,467 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:35,468 INFO L190 IndexEqualityManager]: detected not equals via solver [2021-03-12 10:08:35,469 INFO L173 IndexEqualityManager]: detected equality via solver [2021-03-12 10:08:35,469 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 6 select indices, 6 select index equivalence classes, 3 disjoint index pairs (out of 15 index pairs), introduced 3 new quantified variables, introduced 0 case distinctions, treesize of input 30 treesize of output 10 [2021-03-12 10:08:35,472 INFO L550 ElimStorePlain]: Start of recursive call 2: 3 dim-0 vars, End of recursive call: 3 dim-0 vars, and 1 xjuncts. [2021-03-12 10:08:35,476 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:08:35,477 INFO L550 ElimStorePlain]: Start of recursive call 1: 2 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:08:35,477 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 3 variables, input treesize:39, output treesize:3 [2021-03-12 10:08:35,524 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 76 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:08:35,524 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:35,524 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [28, 27] total 53 [2021-03-12 10:08:35,525 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [516310145] [2021-03-12 10:08:35,525 INFO L460 AbstractCegarLoop]: Interpolant automaton has 54 states [2021-03-12 10:08:35,525 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:35,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2021-03-12 10:08:35,527 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=168, Invalid=2694, Unknown=0, NotChecked=0, Total=2862 [2021-03-12 10:08:35,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:35,527 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:35,527 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 54 states, 54 states have (on average 2.037037037037037) internal successors, (110), 53 states have internal predecessors, (110), 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 10:08:35,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:35,527 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:35,528 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:41,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:41,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:41,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:41,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:41,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:41,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:41,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:42,008 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,8 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:42,008 INFO L428 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:42,008 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:42,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1674070936, now seen corresponding path program 6 times [2021-03-12 10:08:42,009 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:42,009 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [956950118] [2021-03-12 10:08:42,009 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:42,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:42,097 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-03-12 10:08:42,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [956950118] [2021-03-12 10:08:42,098 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1331450179] [2021-03-12 10:08:42,098 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:42,164 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 6 check-sat command(s) [2021-03-12 10:08:42,164 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:42,165 INFO L263 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:08:42,167 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:42,319 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2021-03-12 10:08:42,319 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:42,320 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-12 10:08:42,322 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161501453] [2021-03-12 10:08:42,323 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 10:08:42,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:42,323 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 10:08:42,326 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-03-12 10:08:42,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:42,326 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:42,327 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 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 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:42,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:42,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:42,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:42,634 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2021-03-12 10:08:42,635 INFO L428 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:42,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:42,635 INFO L82 PathProgramCache]: Analyzing trace with hash 1562005782, now seen corresponding path program 7 times [2021-03-12 10:08:42,635 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:42,635 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [142739464] [2021-03-12 10:08:42,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:42,707 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 26 proven. 25 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-03-12 10:08:42,707 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [142739464] [2021-03-12 10:08:42,708 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1867238775] [2021-03-12 10:08:42,708 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:42,759 INFO L263 TraceCheckSpWp]: Trace formula consists of 189 conjuncts, 11 conjunts are in the unsatisfiable core [2021-03-12 10:08:42,760 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:42,861 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 35 proven. 16 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2021-03-12 10:08:42,861 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:42,861 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 8 [2021-03-12 10:08:42,862 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1722554464] [2021-03-12 10:08:42,862 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2021-03-12 10:08:42,862 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:42,862 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-03-12 10:08:42,863 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2021-03-12 10:08:42,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:42,863 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:42,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 9 states, 9 states have (on average 6.333333333333333) internal successors, (57), 8 states have internal predecessors, (57), 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 10:08:42,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:42,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:42,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:42,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:42,863 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:42,864 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:43,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:43,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:43,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:43,311 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,10 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:43,311 INFO L428 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:43,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:43,312 INFO L82 PathProgramCache]: Analyzing trace with hash 1814439832, now seen corresponding path program 8 times [2021-03-12 10:08:43,312 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:43,312 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101901731] [2021-03-12 10:08:43,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:43,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:43,968 WARN L205 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 53 [2021-03-12 10:08:45,070 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:08:45,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1101901731] [2021-03-12 10:08:45,070 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1490381277] [2021-03-12 10:08:45,071 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:45,121 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:08:45,121 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:45,122 WARN L261 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 103 conjunts are in the unsatisfiable core [2021-03-12 10:08:45,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:46,537 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 10 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 0 case distinctions, treesize of input 97 treesize of output 77 [2021-03-12 10:08:46,539 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:08:46,550 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:08:46,551 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:08:46,551 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:100, output treesize:65 [2021-03-12 10:08:47,009 INFO L354 Elim1Store]: treesize reduction 112, result has 0.9 percent of original size [2021-03-12 10:08:47,010 INFO L388 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 88 treesize of output 52 [2021-03-12 10:08:47,011 INFO L550 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2021-03-12 10:08:47,013 INFO L628 ElimStorePlain]: treesize reduction 0, result has 100.0 percent of original size [2021-03-12 10:08:47,013 INFO L550 ElimStorePlain]: Start of recursive call 1: 1 dim-0 vars, 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2021-03-12 10:08:47,013 INFO L247 ElimStorePlain]: Needed 2 recursive calls to eliminate 2 variables, input treesize:88, output treesize:36 [2021-03-12 10:08:47,139 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-03-12 10:08:47,140 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:47,140 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [34, 30] total 57 [2021-03-12 10:08:47,140 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1269273452] [2021-03-12 10:08:47,141 INFO L460 AbstractCegarLoop]: Interpolant automaton has 58 states [2021-03-12 10:08:47,141 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:47,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 58 interpolants. [2021-03-12 10:08:47,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=196, Invalid=3110, Unknown=0, NotChecked=0, Total=3306 [2021-03-12 10:08:47,142 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:47,142 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:47,143 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 58 states, 58 states have (on average 2.0172413793103448) internal successors, (117), 57 states have internal predecessors, (117), 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 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:47,143 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:47,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:47,144 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:51,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:51,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:51,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:51,084 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2021-03-12 10:08:51,291 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,11 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:51,291 INFO L428 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:51,292 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:51,292 INFO L82 PathProgramCache]: Analyzing trace with hash 2145385422, now seen corresponding path program 9 times [2021-03-12 10:08:51,292 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:51,292 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480451230] [2021-03-12 10:08:51,292 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:51,371 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 130 proven. 121 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-03-12 10:08:51,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480451230] [2021-03-12 10:08:51,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166431183] [2021-03-12 10:08:51,371 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:51,465 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 15 check-sat command(s) [2021-03-12 10:08:51,466 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:51,466 INFO L263 TraceCheckSpWp]: Trace formula consists of 267 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 10:08:51,468 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:51,962 INFO L134 CoverageAnalysis]: Checked inductivity of 336 backedges. 66 proven. 200 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2021-03-12 10:08:51,962 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:51,962 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 18] total 25 [2021-03-12 10:08:51,962 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055909468] [2021-03-12 10:08:51,963 INFO L460 AbstractCegarLoop]: Interpolant automaton has 26 states [2021-03-12 10:08:51,963 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:51,964 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2021-03-12 10:08:51,964 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=109, Invalid=541, Unknown=0, NotChecked=0, Total=650 [2021-03-12 10:08:51,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:51,965 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:51,965 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 26 states, 26 states have (on average 4.576923076923077) internal successors, (119), 25 states have internal predecessors, (119), 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 10:08:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:51,965 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:51,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:51,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:51,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:51,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 36 states. [2021-03-12 10:08:51,966 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:52,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:08:52,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 10:08:52,746 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-03-12 10:08:52,747 INFO L428 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:52,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:52,747 INFO L82 PathProgramCache]: Analyzing trace with hash -221759523, now seen corresponding path program 10 times [2021-03-12 10:08:52,747 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:52,747 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1833085515] [2021-03-12 10:08:52,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:52,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:53,051 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 265 proven. 176 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2021-03-12 10:08:53,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1833085515] [2021-03-12 10:08:53,051 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [589236561] [2021-03-12 10:08:53,051 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:53,101 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:08:53,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:53,102 INFO L263 TraceCheckSpWp]: Trace formula consists of 322 conjuncts, 19 conjunts are in the unsatisfiable core [2021-03-12 10:08:53,103 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:53,482 INFO L134 CoverageAnalysis]: Checked inductivity of 522 backedges. 289 proven. 36 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-03-12 10:08:53,482 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:53,482 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 13] total 37 [2021-03-12 10:08:53,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022404140] [2021-03-12 10:08:53,483 INFO L460 AbstractCegarLoop]: Interpolant automaton has 38 states [2021-03-12 10:08:53,483 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:53,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 38 interpolants. [2021-03-12 10:08:53,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=1135, Unknown=0, NotChecked=0, Total=1406 [2021-03-12 10:08:53,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:53,484 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:53,484 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 38 states, 38 states have (on average 4.0) internal successors, (152), 37 states have internal predecessors, (152), 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 10:08:53,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:53,484 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 10:08:53,485 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:54,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:54,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:08:54,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2021-03-12 10:08:54,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:08:54,991 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2021-03-12 10:08:54,991 INFO L428 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:08:54,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:08:54,992 INFO L82 PathProgramCache]: Analyzing trace with hash 1707772445, now seen corresponding path program 11 times [2021-03-12 10:08:54,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:08:54,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1588569324] [2021-03-12 10:08:54,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:08:55,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:08:56,898 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 353 proven. 1208 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2021-03-12 10:08:56,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1588569324] [2021-03-12 10:08:56,898 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1801414745] [2021-03-12 10:08:56,899 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:08:57,051 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 30 check-sat command(s) [2021-03-12 10:08:57,054 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:08:57,055 INFO L263 TraceCheckSpWp]: Trace formula consists of 509 conjuncts, 28 conjunts are in the unsatisfiable core [2021-03-12 10:08:57,057 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:08:58,662 INFO L134 CoverageAnalysis]: Checked inductivity of 1646 backedges. 265 proven. 665 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2021-03-12 10:08:58,662 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:08:58,662 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [74, 27] total 100 [2021-03-12 10:08:58,663 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [985846650] [2021-03-12 10:08:58,663 INFO L460 AbstractCegarLoop]: Interpolant automaton has 101 states [2021-03-12 10:08:58,663 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:08:58,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2021-03-12 10:08:58,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1054, Invalid=9046, Unknown=0, NotChecked=0, Total=10100 [2021-03-12 10:08:58,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:08:58,666 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:08:58,667 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 101 states, 101 states have (on average 2.5544554455445545) internal successors, (258), 100 states have internal predecessors, (258), 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 10:08:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:08:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:08:58,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 37 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 31 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:08:58,668 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:09:47,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:47,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:47,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:09:47,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:09:47,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:09:47,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:09:47,801 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-03-12 10:09:47,802 INFO L428 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:09:47,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:09:47,802 INFO L82 PathProgramCache]: Analyzing trace with hash 855295136, now seen corresponding path program 12 times [2021-03-12 10:09:47,802 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:09:47,802 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1784045563] [2021-03-12 10:09:47,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:09:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:09:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 710 proven. 532 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-03-12 10:09:48,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1784045563] [2021-03-12 10:09:48,635 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1274797023] [2021-03-12 10:09:48,636 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:09:48,817 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 32 check-sat command(s) [2021-03-12 10:09:48,818 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:09:48,820 INFO L263 TraceCheckSpWp]: Trace formula consists of 523 conjuncts, 31 conjunts are in the unsatisfiable core [2021-03-12 10:09:48,822 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:09:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 1648 backedges. 507 proven. 100 refuted. 0 times theorem prover too weak. 1041 trivial. 0 not checked. [2021-03-12 10:09:49,805 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:09:49,805 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [41, 16] total 56 [2021-03-12 10:09:49,805 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [57600488] [2021-03-12 10:09:49,806 INFO L460 AbstractCegarLoop]: Interpolant automaton has 57 states [2021-03-12 10:09:49,806 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:09:49,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2021-03-12 10:09:49,807 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=805, Invalid=2387, Unknown=0, NotChecked=0, Total=3192 [2021-03-12 10:09:49,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:09:49,807 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:09:49,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 57 states, 57 states have (on average 3.4210526315789473) internal successors, (195), 56 states have internal predecessors, (195), 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 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:09:49,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:09:49,809 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:09:54,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:54,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:09:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:09:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:09:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:09:54,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:09:54,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:09:55,002 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,15 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:09:55,002 INFO L428 AbstractCegarLoop]: === Iteration 16 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:09:55,003 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:09:55,003 INFO L82 PathProgramCache]: Analyzing trace with hash -1860923577, now seen corresponding path program 13 times [2021-03-12 10:09:55,003 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:09:55,003 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [947454707] [2021-03-12 10:09:55,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:09:55,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:09:55,855 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 441 proven. 590 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2021-03-12 10:09:55,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [947454707] [2021-03-12 10:09:55,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25637808] [2021-03-12 10:09:55,855 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 16 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:09:55,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:09:55,926 INFO L263 TraceCheckSpWp]: Trace formula consists of 513 conjuncts, 37 conjunts are in the unsatisfiable core [2021-03-12 10:09:55,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:09:57,690 INFO L134 CoverageAnalysis]: Checked inductivity of 1514 backedges. 532 proven. 345 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2021-03-12 10:09:57,691 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:09:57,691 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [43, 36] total 78 [2021-03-12 10:09:57,691 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280657958] [2021-03-12 10:09:57,691 INFO L460 AbstractCegarLoop]: Interpolant automaton has 79 states [2021-03-12 10:09:57,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:09:57,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 79 interpolants. [2021-03-12 10:09:57,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1100, Invalid=5062, Unknown=0, NotChecked=0, Total=6162 [2021-03-12 10:09:57,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:09:57,694 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:09:57,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 79 states, 79 states have (on average 3.0) internal successors, (237), 78 states have internal predecessors, (237), 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 10:09:57,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:57,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:57,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:09:57,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:09:57,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:09:57,695 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:02,851 WARN L205 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:04,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:10:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:10:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:10:04,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:10:04,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:10:04,367 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2021-03-12 10:10:04,367 INFO L428 AbstractCegarLoop]: === Iteration 17 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:04,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:04,367 INFO L82 PathProgramCache]: Analyzing trace with hash 595156167, now seen corresponding path program 14 times [2021-03-12 10:10:04,368 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:04,368 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [361953566] [2021-03-12 10:10:04,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:04,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:05,308 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1173 proven. 651 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-03-12 10:10:05,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [361953566] [2021-03-12 10:10:05,308 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610571628] [2021-03-12 10:10:05,308 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 17 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:05,411 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2021-03-12 10:10:05,411 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:05,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 722 conjuncts, 44 conjunts are in the unsatisfiable core [2021-03-12 10:10:05,416 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 3254 backedges. 1173 proven. 651 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-03-12 10:10:05,909 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:05,909 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [45, 23] total 46 [2021-03-12 10:10:05,909 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920110361] [2021-03-12 10:10:05,909 INFO L460 AbstractCegarLoop]: Interpolant automaton has 47 states [2021-03-12 10:10:05,909 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:05,910 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 47 interpolants. [2021-03-12 10:10:05,910 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=828, Invalid=1334, Unknown=0, NotChecked=0, Total=2162 [2021-03-12 10:10:05,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:05,910 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:05,911 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 47 states, 47 states have (on average 4.0212765957446805) internal successors, (189), 46 states have internal predecessors, (189), 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 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:10:05,911 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:10:05,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:09,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:10:09,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:10:09,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:09,392 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2021-03-12 10:10:09,393 INFO L428 AbstractCegarLoop]: === Iteration 18 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:09,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:09,393 INFO L82 PathProgramCache]: Analyzing trace with hash 1043653095, now seen corresponding path program 15 times [2021-03-12 10:10:09,393 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:09,393 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023817613] [2021-03-12 10:10:09,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:09,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:12,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 1106 proven. 1707 refuted. 0 times theorem prover too weak. 505 trivial. 0 not checked. [2021-03-12 10:10:12,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023817613] [2021-03-12 10:10:12,514 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355029737] [2021-03-12 10:10:12,514 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 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 18 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:12,720 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 31 check-sat command(s) [2021-03-12 10:10:12,720 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:12,722 INFO L263 TraceCheckSpWp]: Trace formula consists of 609 conjuncts, 55 conjunts are in the unsatisfiable core [2021-03-12 10:10:12,725 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:17,366 INFO L134 CoverageAnalysis]: Checked inductivity of 3318 backedges. 1741 proven. 715 refuted. 0 times theorem prover too weak. 862 trivial. 0 not checked. [2021-03-12 10:10:17,366 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:17,367 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [84, 54] total 137 [2021-03-12 10:10:17,367 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778044745] [2021-03-12 10:10:17,367 INFO L460 AbstractCegarLoop]: Interpolant automaton has 138 states [2021-03-12 10:10:17,367 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:17,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 138 interpolants. [2021-03-12 10:10:17,372 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2265, Invalid=16641, Unknown=0, NotChecked=0, Total=18906 [2021-03-12 10:10:17,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:17,372 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:17,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 138 states, 138 states have (on average 2.7971014492753623) internal successors, (386), 137 states have internal predecessors, (386), 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 10:10:17,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:17,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:17,372 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 572 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:10:17,373 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:17,374 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:23,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:10:23,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:10:23,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:23,789 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 10:10:23,990 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-03-12 10:10:23,990 INFO L428 AbstractCegarLoop]: === Iteration 19 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:10:23,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:10:23,990 INFO L82 PathProgramCache]: Analyzing trace with hash -106409315, now seen corresponding path program 16 times [2021-03-12 10:10:23,990 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:10:23,991 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709919063] [2021-03-12 10:10:23,991 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:10:24,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:10:29,862 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 914 proven. 3498 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-03-12 10:10:29,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709919063] [2021-03-12 10:10:29,862 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [71134154] [2021-03-12 10:10:29,862 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 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 19 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:10:29,974 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2021-03-12 10:10:29,974 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:10:29,976 INFO L263 TraceCheckSpWp]: Trace formula consists of 886 conjuncts, 70 conjunts are in the unsatisfiable core [2021-03-12 10:10:29,979 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:10:32,843 INFO L134 CoverageAnalysis]: Checked inductivity of 5028 backedges. 2421 proven. 1122 refuted. 0 times theorem prover too weak. 1485 trivial. 0 not checked. [2021-03-12 10:10:32,843 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:10:32,843 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [125, 26] total 150 [2021-03-12 10:10:32,843 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1161591596] [2021-03-12 10:10:32,844 INFO L460 AbstractCegarLoop]: Interpolant automaton has 151 states [2021-03-12 10:10:32,844 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:10:32,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 151 interpolants. [2021-03-12 10:10:32,847 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2456, Invalid=20194, Unknown=0, NotChecked=0, Total=22650 [2021-03-12 10:10:32,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:10:32,847 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:10:32,848 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 151 states, 151 states have (on average 2.5827814569536423) internal successors, (390), 150 states have internal predecessors, (390), 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 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 10:10:32,848 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:11:22,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:11:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:11:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:11:22,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:11:22,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 10:11:22,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2021-03-12 10:11:23,043 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,19 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:11:23,043 INFO L428 AbstractCegarLoop]: === Iteration 20 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:11:23,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:11:23,044 INFO L82 PathProgramCache]: Analyzing trace with hash 527584747, now seen corresponding path program 17 times [2021-03-12 10:11:23,044 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:11:23,044 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259229452] [2021-03-12 10:11:23,044 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:11:23,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:11:25,880 INFO L134 CoverageAnalysis]: Checked inductivity of 4030 backedges. 2074 proven. 1928 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2021-03-12 10:11:25,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259229452] [2021-03-12 10:11:25,880 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [326587404] [2021-03-12 10:11:25,880 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 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 20 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:11:26,182 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 47 check-sat command(s) [2021-03-12 10:11:26,182 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:11:26,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 56 conjunts are in the unsatisfiable core [2021-03-12 10:11:26,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:11:28,893 INFO L134 CoverageAnalysis]: Checked inductivity of 4030 backedges. 2024 proven. 576 refuted. 0 times theorem prover too weak. 1430 trivial. 0 not checked. [2021-03-12 10:11:28,893 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:11:28,893 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [72, 32] total 103 [2021-03-12 10:11:28,894 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189514051] [2021-03-12 10:11:28,894 INFO L460 AbstractCegarLoop]: Interpolant automaton has 104 states [2021-03-12 10:11:28,894 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:11:28,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 104 interpolants. [2021-03-12 10:11:28,896 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=2051, Invalid=8661, Unknown=0, NotChecked=0, Total=10712 [2021-03-12 10:11:28,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:11:28,896 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:11:28,896 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 104 states, 104 states have (on average 4.173076923076923) internal successors, (434), 103 states have internal predecessors, (434), 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 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:11:28,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 495 states. [2021-03-12 10:11:28,897 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:12:10,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 593 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:12:10,255 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:12:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:12:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2021-03-12 10:12:10,256 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 495 states. [2021-03-12 10:12:10,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 415 states. [2021-03-12 10:12:10,458 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,20 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:12:10,458 INFO L428 AbstractCegarLoop]: === Iteration 21 === [ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-03-12 10:12:10,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-03-12 10:12:10,458 INFO L82 PathProgramCache]: Analyzing trace with hash -1421445641, now seen corresponding path program 18 times [2021-03-12 10:12:10,459 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-03-12 10:12:10,459 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254586385] [2021-03-12 10:12:10,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-03-12 10:12:10,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-03-12 10:12:31,810 INFO L134 CoverageAnalysis]: Checked inductivity of 6170 backedges. 2926 proven. 2628 refuted. 0 times theorem prover too weak. 616 trivial. 0 not checked. [2021-03-12 10:12:31,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254586385] [2021-03-12 10:12:31,810 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1670215078] [2021-03-12 10:12:31,810 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 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 21 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-03-12 10:12:32,268 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2021-03-12 10:12:32,268 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2021-03-12 10:12:32,271 INFO L263 TraceCheckSpWp]: Trace formula consists of 945 conjuncts, 79 conjunts are in the unsatisfiable core [2021-03-12 10:12:32,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-03-12 10:12:54,663 INFO L134 CoverageAnalysis]: Checked inductivity of 6170 backedges. 3015 proven. 1877 refuted. 0 times theorem prover too weak. 1278 trivial. 0 not checked. [2021-03-12 10:12:54,663 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-03-12 10:12:54,663 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [156, 78] total 233 [2021-03-12 10:12:54,664 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215022259] [2021-03-12 10:12:54,664 INFO L460 AbstractCegarLoop]: Interpolant automaton has 234 states [2021-03-12 10:12:54,664 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-03-12 10:12:54,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 234 interpolants. [2021-03-12 10:12:54,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6720, Invalid=47802, Unknown=0, NotChecked=0, Total=54522 [2021-03-12 10:12:54,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-03-12 10:12:54,669 INFO L480 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-03-12 10:12:54,670 INFO L481 AbstractCegarLoop]: Interpolant automaton has has 234 states, 234 states have (on average 2.252136752136752) internal successors, (527), 233 states have internal predecessors, (527), 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 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 12 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 13 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 8 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 44 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 9 states. [2021-03-12 10:12:54,670 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 67 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 61 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 593 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 72 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 95 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 47 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 48 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 495 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 415 states. [2021-03-12 10:12:54,671 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2021-03-12 10:21:52,854 WARN L517 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2021-03-12 10:21:52,854 WARN L545 AbstractCegarLoop]: Verification canceled [2021-03-12 10:21:52,873 WARN L224 ceAbstractionStarter]: Timeout [2021-03-12 10:21:52,874 INFO L202 PluginConnector]: Adding new model buffer-series.wvr.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.03 10:21:52 BasicIcfg [2021-03-12 10:21:52,874 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-03-12 10:21:52,874 INFO L168 Benchmark]: Toolchain (without parser) took 806620.97 ms. Allocated memory was 255.9 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 236.7 MB in the beginning and 4.4 GB in the end (delta: -4.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. [2021-03-12 10:21:52,874 INFO L168 Benchmark]: Boogie PL CUP Parser took 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 10:21:52,874 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.48 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-03-12 10:21:52,874 INFO L168 Benchmark]: Boogie Preprocessor took 27.60 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.7 MB in the end (delta: 960.5 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. [2021-03-12 10:21:52,874 INFO L168 Benchmark]: RCFGBuilder took 267.75 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 235.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.0 GB. [2021-03-12 10:21:52,874 INFO L168 Benchmark]: TraceAbstraction took 806291.59 ms. Allocated memory was 255.9 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 234.7 MB in the beginning and 4.4 GB in the end (delta: -4.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. [2021-03-12 10:21:52,875 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 0.15 ms. Allocated memory is still 255.9 MB. Free memory is still 237.9 MB. There was no memory consumed. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 23.48 ms. Allocated memory is still 255.9 MB. Free memory was 236.2 MB in the beginning and 234.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.0 GB. * Boogie Preprocessor took 27.60 ms. Allocated memory is still 255.9 MB. Free memory was 234.7 MB in the beginning and 233.7 MB in the end (delta: 960.5 kB). Peak memory consumption was 4.2 MB. Max. memory is 16.0 GB. * RCFGBuilder took 267.75 ms. Allocated memory is still 255.9 MB. Free memory was 233.6 MB in the beginning and 235.2 MB in the end (delta: -1.6 MB). Peak memory consumption was 19.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 806291.59 ms. Allocated memory was 255.9 MB in the beginning and 7.2 GB in the end (delta: 7.0 GB). Free memory was 234.7 MB in the beginning and 4.4 GB in the end (delta: -4.1 GB). Peak memory consumption was 2.9 GB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 8064094, positive: 7430223, positive conditional: 7430223, positive unconditional: 0, negative: 633871, negative conditional: 633871, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 7433040, positive: 7430223, positive conditional: 7430223, positive unconditional: 0, negative: 2817, negative conditional: 2817, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 7433040, positive: 7121266, positive conditional: 0, positive unconditional: 7121266, negative: 311774, negative conditional: 0, negative unconditional: 311774, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 174, positive: 170, positive conditional: 0, positive unconditional: 170, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 174, positive: 163, positive conditional: 0, positive unconditional: 163, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 11, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 7433040, positive: 7121096, positive conditional: 0, positive unconditional: 7121096, negative: 311770, negative conditional: 0, negative unconditional: 311770, unknown: 174, unknown conditional: 0, unknown unconditional: 174] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306, SemanticConditionEliminator.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 2248152, positive: 308957, positive conditional: 308957, positive unconditional: 0, negative: 1939195, negative conditional: 860889, negative unconditional: 1078306, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 695, positive: 481, positive conditional: 474, positive unconditional: 7, negative: 214, negative conditional: 210, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 2664, positive: 1802, positive conditional: 1738, positive unconditional: 63, negative: 862, negative conditional: 807, negative unconditional: 54, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Cache Queries: [ total: 2248152, positive: 308483, positive conditional: 308483, positive unconditional: 0, negative: 1938985, negative conditional: 860679, negative unconditional: 1078306, unknown: 684, unknown conditional: 684, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 858, Positive cache size: 644, Positive conditional cache size: 474, Positive unconditional cache size: 170, Negative cache size: 214, Negative conditional cache size: 210, Negative unconditional cache size: 4, Eliminated conditions: 1078306 ], Maximal queried relation: 21, Independence queries for same thread: 631054 - TimeoutResultAtElement [Line: 82]: Timeout (TraceAbstraction) Unable to prove that assertion always holds (line 82). Cancelled while executing SleepSetDelayReduction. - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 32 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: TIMEOUT, OverallTime: 806188.2ms, OverallIterations: 21, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.3ms, PartialOrderReductionTime: 713248.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3445, 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: 284.9ms SsaConstructionTime, 2575.4ms SatisfiabilityAnalysisTime, 85453.9ms InterpolantComputationTime, 5683 NumberOfCodeBlocks, 5641 NumberOfCodeBlocksAsserted, 261 NumberOfCheckSat, 5643 ConstructedInterpolants, 38 QuantifiedInterpolants, 45271 SizeOfPredicates, 44 NumberOfNonLiveVariables, 7417 ConjunctsInSsa, 695 ConjunctsInUnsatCore, 40 InterpolantComputations, 3 PerfectInterpolantSequences, 36219/56069 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