/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 20:15:59,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 20:15:59,290 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 20:15:59,324 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 20:15:59,324 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 20:15:59,327 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 20:15:59,330 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 20:15:59,335 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 20:15:59,337 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 20:15:59,342 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 20:15:59,343 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 20:15:59,344 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 20:15:59,344 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 20:15:59,346 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 20:15:59,347 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 20:15:59,348 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 20:15:59,351 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 20:15:59,351 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 20:15:59,353 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 20:15:59,359 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 20:15:59,360 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 20:15:59,361 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 20:15:59,363 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 20:15:59,364 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 20:15:59,367 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-16 20:15:59,374 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 20:15:59,374 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 20:15:59,375 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 20:15:59,378 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe-Symm.epf [2021-06-16 20:15:59,411 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 20:15:59,411 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 20:15:59,411 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-16 20:15:59,412 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-16 20:15:59,414 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 20:15:59,414 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 20:15:59,414 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 20:15:59,414 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 20:15:59,414 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 20:15:59,414 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 20:15:59,415 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 20:15:59,415 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 20:15:59,423 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 20:15:59,423 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 20:15:59,423 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 20:15:59,424 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 20:15:59,424 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 20:15:59,424 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 20:15:59,424 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 20:15:59,424 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 20:15:59,424 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 20:15:59,424 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 20:15:59,424 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 20:15:59,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 20:15:59,425 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 20:15:59,425 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 20:15:59,425 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 20:15:59,425 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 20:15:59,425 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 20:15:59,425 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 20:15:59,425 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-16 20:15:59,426 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 20:15:59,426 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-06-16 20:15:59,426 INFO L138 SettingsManager]: * Limit POR to symmetric independence in concurrent analysis=true [2021-06-16 20:15:59,426 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 20:15:59,702 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 20:15:59,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 20:15:59,723 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 20:15:59,724 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2021-06-16 20:15:59,725 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2021-06-16 20:15:59,726 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl [2021-06-16 20:15:59,726 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl' [2021-06-16 20:15:59,756 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 20:15:59,757 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2021-06-16 20:15:59,758 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 20:15:59,758 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 20:15:59,758 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 20:15:59,767 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,773 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,778 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 20:15:59,779 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 20:15:59,780 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 20:15:59,780 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 20:15:59,785 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,785 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,788 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,790 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/1) ... [2021-06-16 20:15:59,790 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 20:15:59,791 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 20:15:59,791 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 20:15:59,791 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 20:15:59,792 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (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 [2021-06-16 20:15:59,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2021-06-16 20:15:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2021-06-16 20:15:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2021-06-16 20:15:59,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2021-06-16 20:15:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2021-06-16 20:15:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2021-06-16 20:15:59,854 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2021-06-16 20:15:59,854 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2021-06-16 20:15:59,854 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2021-06-16 20:15:59,855 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2021-06-16 20:15:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2021-06-16 20:15:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2021-06-16 20:15:59,855 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2021-06-16 20:15:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2021-06-16 20:15:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2021-06-16 20:15:59,855 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2021-06-16 20:15:59,855 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2021-06-16 20:15:59,855 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2021-06-16 20:15:59,855 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2021-06-16 20:15:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2021-06-16 20:15:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2021-06-16 20:15:59,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2021-06-16 20:15:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 20:15:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 20:15:59,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2021-06-16 20:15:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2021-06-16 20:15:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2021-06-16 20:15:59,856 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2021-06-16 20:15:59,856 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2021-06-16 20:15:59,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2021-06-16 20:15:59,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2021-06-16 20:15:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2021-06-16 20:15:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2021-06-16 20:15:59,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2021-06-16 20:15:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2021-06-16 20:15:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2021-06-16 20:15:59,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2021-06-16 20:15:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2021-06-16 20:15:59,857 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2021-06-16 20:15:59,857 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2021-06-16 20:15:59,857 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2021-06-16 20:15:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2021-06-16 20:15:59,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2021-06-16 20:15:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2021-06-16 20:15:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2021-06-16 20:15:59,858 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2021-06-16 20:15:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2021-06-16 20:15:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2021-06-16 20:15:59,859 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 20:16:00,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 20:16:00,053 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-06-16 20:16:00,054 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:16:00 BoogieIcfgContainer [2021-06-16 20:16:00,054 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 20:16:00,055 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 20:16:00,055 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 20:16:00,057 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 20:16:00,057 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.06 08:15:59" (1/2) ... [2021-06-16 20:16:00,058 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d3a8a28 and model type example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 08:16:00, skipping insertion in model container [2021-06-16 20:16:00,058 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 08:16:00" (2/2) ... [2021-06-16 20:16:00,059 INFO L111 eAbstractionObserver]: Analyzing ICFG example_15.bpl [2021-06-16 20:16:00,079 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 20:16:00,079 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 20:16:00,079 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 20:16:00,080 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 20:16:00,379 INFO L149 ThreadInstanceAdder]: Constructed 225 joinOtherThreadTransitions. [2021-06-16 20:16:00,397 INFO L255 AbstractCegarLoop]: Starting to check reachability of 16 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 [2021-06-16 20:16:00,443 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 20:16:00,444 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 20:16:00,444 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 20:16:00,444 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 20:16:00,444 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 20:16:00,444 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 20:16:00,444 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 20:16:00,444 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 20:16:00,513 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:00,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:00,517 INFO L82 PathProgramCache]: Analyzing trace with hash 545220950, now seen corresponding path program 1 times [2021-06-16 20:16:00,522 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:00,522 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294486968] [2021-06-16 20:16:00,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:00,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:00,687 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:00,687 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294486968] [2021-06-16 20:16:00,688 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294486968] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:00,688 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:00,688 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:00,688 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040090301] [2021-06-16 20:16:00,691 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:00,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:00,702 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:00,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:00,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:00,706 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:00,710 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:00,710 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:00,782 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 20:16:00,782 INFO L430 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:00,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:00,785 INFO L82 PathProgramCache]: Analyzing trace with hash 226946074, now seen corresponding path program 1 times [2021-06-16 20:16:00,786 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:00,786 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [29302264] [2021-06-16 20:16:00,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:00,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:00,859 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:00,859 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:00,859 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [29302264] [2021-06-16 20:16:00,859 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [29302264] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:00,859 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:00,860 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:00,860 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [48640895] [2021-06-16 20:16:00,861 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:00,861 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:00,861 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:00,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:00,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:00,862 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:00,862 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:00,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:00,862 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:00,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:00,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:00,930 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-06-16 20:16:00,930 INFO L430 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:00,931 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:00,931 INFO L82 PathProgramCache]: Analyzing trace with hash -389381760, now seen corresponding path program 1 times [2021-06-16 20:16:00,931 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:00,931 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170321572] [2021-06-16 20:16:00,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:00,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:00,991 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:00,992 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170321572] [2021-06-16 20:16:00,992 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170321572] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:00,992 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:00,992 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:00,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753689959] [2021-06-16 20:16:00,993 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:00,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:00,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:00,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:00,996 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:00,998 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:00,998 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:00,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:00,998 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:00,999 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,038 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,045 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-06-16 20:16:01,045 INFO L430 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,046 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1367691704, now seen corresponding path program 1 times [2021-06-16 20:16:01,046 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,046 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1136623030] [2021-06-16 20:16:01,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,098 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,099 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,099 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1136623030] [2021-06-16 20:16:01,099 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1136623030] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,099 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,099 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,099 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736361494] [2021-06-16 20:16:01,099 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,099 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,100 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,100 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,100 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,129 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-06-16 20:16:01,130 INFO L430 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,130 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1509129020, now seen corresponding path program 1 times [2021-06-16 20:16:01,130 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,130 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836418583] [2021-06-16 20:16:01,131 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,182 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,183 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,183 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836418583] [2021-06-16 20:16:01,183 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836418583] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,183 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,183 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,183 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648582332] [2021-06-16 20:16:01,183 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,183 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,184 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,184 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,219 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,220 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-06-16 20:16:01,220 INFO L430 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,220 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,220 INFO L82 PathProgramCache]: Analyzing trace with hash -598347042, now seen corresponding path program 1 times [2021-06-16 20:16:01,221 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,221 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1074718871] [2021-06-16 20:16:01,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,271 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,271 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1074718871] [2021-06-16 20:16:01,271 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1074718871] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,271 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,271 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,271 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852521886] [2021-06-16 20:16:01,271 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,271 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,272 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,272 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,272 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,272 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,293 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,293 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-06-16 20:16:01,294 INFO L430 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,294 INFO L82 PathProgramCache]: Analyzing trace with hash 1409787840, now seen corresponding path program 1 times [2021-06-16 20:16:01,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,295 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120901645] [2021-06-16 20:16:01,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,343 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,343 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,343 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120901645] [2021-06-16 20:16:01,343 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120901645] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,343 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,343 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,344 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1086865994] [2021-06-16 20:16:01,344 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,344 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,344 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,344 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,344 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,345 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,345 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,377 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,377 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-06-16 20:16:01,377 INFO L430 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1085678050, now seen corresponding path program 1 times [2021-06-16 20:16:01,377 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,378 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1868920041] [2021-06-16 20:16:01,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,391 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,392 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,392 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1868920041] [2021-06-16 20:16:01,392 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1868920041] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,392 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,392 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,392 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2033817022] [2021-06-16 20:16:01,392 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,393 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,393 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,393 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,393 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,393 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,393 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,393 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,394 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,456 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-06-16 20:16:01,456 INFO L430 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,456 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,457 INFO L82 PathProgramCache]: Analyzing trace with hash 2134102584, now seen corresponding path program 1 times [2021-06-16 20:16:01,457 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,457 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909712034] [2021-06-16 20:16:01,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,495 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,495 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,497 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909712034] [2021-06-16 20:16:01,497 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [909712034] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,498 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,498 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,498 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107265422] [2021-06-16 20:16:01,498 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,499 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,499 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,499 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,522 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-06-16 20:16:01,523 INFO L430 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,523 INFO L82 PathProgramCache]: Analyzing trace with hash -577041066, now seen corresponding path program 1 times [2021-06-16 20:16:01,523 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,524 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441755576] [2021-06-16 20:16:01,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,542 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,543 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,543 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441755576] [2021-06-16 20:16:01,543 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [441755576] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,543 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,543 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,543 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178754266] [2021-06-16 20:16:01,544 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,544 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,545 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,545 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,545 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,597 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-06-16 20:16:01,597 INFO L430 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1358819110, now seen corresponding path program 1 times [2021-06-16 20:16:01,598 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,598 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158488435] [2021-06-16 20:16:01,599 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,634 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,634 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,634 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [158488435] [2021-06-16 20:16:01,635 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [158488435] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,635 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,635 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,635 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1366578647] [2021-06-16 20:16:01,635 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,635 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,636 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,636 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,636 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,651 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,652 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-06-16 20:16:01,652 INFO L430 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,652 INFO L82 PathProgramCache]: Analyzing trace with hash 918062200, now seen corresponding path program 1 times [2021-06-16 20:16:01,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,652 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1091511406] [2021-06-16 20:16:01,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,665 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,665 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,665 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1091511406] [2021-06-16 20:16:01,665 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1091511406] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,665 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,665 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,665 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [481322576] [2021-06-16 20:16:01,666 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,666 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,666 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,666 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,666 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,667 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,693 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-06-16 20:16:01,693 INFO L430 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,694 INFO L82 PathProgramCache]: Analyzing trace with hash -2079984810, now seen corresponding path program 1 times [2021-06-16 20:16:01,694 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,694 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [851577541] [2021-06-16 20:16:01,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:01,705 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:01,705 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:01,705 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [851577541] [2021-06-16 20:16:01,705 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [851577541] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:01,705 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:01,705 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-06-16 20:16:01,706 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296751688] [2021-06-16 20:16:01,706 INFO L462 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-06-16 20:16:01,706 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:01,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-06-16 20:16:01,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-06-16 20:16:01,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,707 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:01,707 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 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) [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,707 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,708 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:01,742 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-06-16 20:16:01,742 INFO L430 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr14INUSE_VIOLATION, ULTIMATE.startErr3INUSE_VIOLATION, ULTIMATE.startErr13INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION, ULTIMATE.startErr12INUSE_VIOLATION, ULTIMATE.startErr6INUSE_VIOLATION, ULTIMATE.startErr5INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr4INUSE_VIOLATION, ULTIMATE.startErr9INUSE_VIOLATION, ULTIMATE.startErr8INUSE_VIOLATION, ULTIMATE.startErr7INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr11INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr10INUSE_VIOLATION]=== [2021-06-16 20:16:01,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 20:16:01,743 INFO L82 PathProgramCache]: Analyzing trace with hash 1733017878, now seen corresponding path program 1 times [2021-06-16 20:16:01,743 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 20:16:01,743 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [758505709] [2021-06-16 20:16:01,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 20:16:01,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 20:16:02,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 20:16:02,691 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 20:16:02,691 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [758505709] [2021-06-16 20:16:02,691 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [758505709] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 20:16:02,691 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 20:16:02,692 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2021-06-16 20:16:02,692 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1901387917] [2021-06-16 20:16:02,692 INFO L462 AbstractCegarLoop]: Interpolant automaton has 17 states [2021-06-16 20:16:02,692 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 20:16:02,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2021-06-16 20:16:02,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2021-06-16 20:16:02,693 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-06-16 20:16:02,693 INFO L482 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-06-16 20:16:02,693 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 17 states have internal predecessors, (61), 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) [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,693 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2021-06-16 20:16:02,694 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.