/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-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_16.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-16 00:38:03,468 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-16 00:38:03,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-16 00:38:03,511 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-16 00:38:03,511 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-16 00:38:03,513 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-16 00:38:03,514 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-16 00:38:03,515 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-16 00:38:03,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-16 00:38:03,517 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-16 00:38:03,517 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-16 00:38:03,518 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-16 00:38:03,518 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-16 00:38:03,519 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-16 00:38:03,519 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-16 00:38:03,520 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-16 00:38:03,520 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-16 00:38:03,521 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-16 00:38:03,522 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-16 00:38:03,525 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-16 00:38:03,528 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-16 00:38:03,531 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-16 00:38:03,533 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-16 00:38:03,534 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-16 00:38:03,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-16 00:38:03,538 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-16 00:38:03,538 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-16 00:38:03,539 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-16 00:38:03,539 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-16 00:38:03,540 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-16 00:38:03,540 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-16 00:38:03,540 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-16 00:38:03,541 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-16 00:38:03,541 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-16 00:38:03,542 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-16 00:38:03,542 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-16 00:38:03,542 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-16 00:38:03,542 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-16 00:38:03,543 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-16 00:38:03,543 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-16 00:38:03,543 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-16 00:38:03,545 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-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-02-16 00:38:03,564 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-16 00:38:03,564 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-16 00:38:03,565 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-16 00:38:03,565 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-16 00:38:03,565 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-16 00:38:03,565 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-16 00:38:03,566 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * Use SBE=true [2022-02-16 00:38:03,566 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-16 00:38:03,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-16 00:38:03,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-16 00:38:03,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 00:38:03,567 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-16 00:38:03,568 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-16 00:38:03,568 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-16 00:38:03,753 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-16 00:38:03,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-16 00:38:03,770 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-16 00:38:03,770 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-16 00:38:03,773 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-16 00:38:03,774 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_16.bpl [2022-02-16 00:38:03,774 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_16.bpl' [2022-02-16 00:38:03,810 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-16 00:38:03,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-16 00:38:03,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-16 00:38:03,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-16 00:38:03,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-16 00:38:03,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,842 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,849 INFO L137 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-16 00:38:03,850 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-16 00:38:03,863 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-16 00:38:03,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-16 00:38:03,863 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-16 00:38:03,869 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,869 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,870 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,872 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,872 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,873 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,874 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-16 00:38:03,874 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-16 00:38:03,874 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-16 00:38:03,875 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-16 00:38:03,876 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/1) ... [2022-02-16 00:38:03,881 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-16 00:38:03,886 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:38:03,896 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-16 00:38:03,904 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-16 00:38:03,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2022-02-16 00:38:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2022-02-16 00:38:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2022-02-16 00:38:03,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2022-02-16 00:38:03,929 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2022-02-16 00:38:03,929 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2022-02-16 00:38:03,929 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-02-16 00:38:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-02-16 00:38:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-02-16 00:38:03,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-02-16 00:38:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-02-16 00:38:03,930 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-02-16 00:38:03,930 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-02-16 00:38:03,930 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-02-16 00:38:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-02-16 00:38:03,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-02-16 00:38:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-02-16 00:38:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-02-16 00:38:03,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-02-16 00:38:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-02-16 00:38:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-02-16 00:38:03,931 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-02-16 00:38:03,931 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-02-16 00:38:03,931 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-02-16 00:38:03,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-16 00:38:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-16 00:38:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-16 00:38:03,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-02-16 00:38:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-02-16 00:38:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-02-16 00:38:03,932 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-02-16 00:38:03,932 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-02-16 00:38:03,932 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-02-16 00:38:03,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-02-16 00:38:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-02-16 00:38:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-02-16 00:38:03,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-02-16 00:38:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-02-16 00:38:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-02-16 00:38:03,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-02-16 00:38:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-02-16 00:38:03,933 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-02-16 00:38:03,933 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-02-16 00:38:03,933 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-02-16 00:38:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-02-16 00:38:03,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-02-16 00:38:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-02-16 00:38:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-02-16 00:38:03,934 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-02-16 00:38:03,934 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-02-16 00:38:03,934 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-02-16 00:38:03,935 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-16 00:38:03,975 INFO L234 CfgBuilder]: Building ICFG [2022-02-16 00:38:03,976 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-16 00:38:04,078 INFO L275 CfgBuilder]: Performing block encoding [2022-02-16 00:38:04,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-16 00:38:04,084 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-16 00:38:04,085 INFO L202 PluginConnector]: Adding new model example_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:38:04 BoogieIcfgContainer [2022-02-16 00:38:04,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-16 00:38:04,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-16 00:38:04,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-16 00:38:04,088 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-16 00:38:04,088 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_16.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 16.02 12:38:03" (1/2) ... [2022-02-16 00:38:04,089 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5765b55e and model type example_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.02 12:38:04, skipping insertion in model container [2022-02-16 00:38:04,089 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_16.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.02 12:38:04" (2/2) ... [2022-02-16 00:38:04,089 INFO L111 eAbstractionObserver]: Analyzing ICFG example_16.bpl [2022-02-16 00:38:04,092 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-16 00:38:04,092 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-16 00:38:04,093 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-16 00:38:04,093 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-16 00:38:04,247 INFO L148 ThreadInstanceAdder]: Constructed 256 joinOtherThreadTransitions. [2022-02-16 00:38:04,284 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-16 00:38:04,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-16 00:38:04,286 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-16 00:38:04,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-16 00:38:04,313 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-16 00:38:04,317 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-02-16 00:38:04,318 INFO L340 AbstractCegarLoop]: Starting to check reachability of 17 error locations. [2022-02-16 00:38:05,027 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:05,033 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:05,034 INFO L85 PathProgramCache]: Analyzing trace with hash -1093241887, now seen corresponding path program 1 times [2022-02-16 00:38:05,046 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:05,046 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189434316] [2022-02-16 00:38:05,046 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:05,047 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:05,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:05,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:05,228 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:05,241 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189434316] [2022-02-16 00:38:05,242 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189434316] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:05,242 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:05,243 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:05,244 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614079582] [2022-02-16 00:38:05,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:05,256 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:05,256 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:05,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:05,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:05,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:05,280 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:05,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:05,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:05,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-16 00:38:05,505 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:05,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:05,507 INFO L85 PathProgramCache]: Analyzing trace with hash -187289785, now seen corresponding path program 1 times [2022-02-16 00:38:05,507 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:05,507 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1674051268] [2022-02-16 00:38:05,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:05,507 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:05,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:05,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:05,549 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:05,549 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1674051268] [2022-02-16 00:38:05,550 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1674051268] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:05,550 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:05,550 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:05,550 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570162150] [2022-02-16 00:38:05,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:05,551 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:05,551 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:05,553 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:05,553 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:05,553 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:05,553 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:05,554 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:05,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,554 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:05,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,711 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-16 00:38:05,711 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:05,711 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:05,711 INFO L85 PathProgramCache]: Analyzing trace with hash 800543089, now seen corresponding path program 1 times [2022-02-16 00:38:05,711 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:05,712 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [294339809] [2022-02-16 00:38:05,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:05,712 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:05,752 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:05,753 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:05,753 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [294339809] [2022-02-16 00:38:05,753 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [294339809] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:05,753 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:05,753 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:05,753 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900639457] [2022-02-16 00:38:05,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:05,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:05,754 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:05,754 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:05,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:05,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:05,754 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:05,754 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:05,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,754 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,755 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:05,906 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,907 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-16 00:38:05,908 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:05,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:05,908 INFO L85 PathProgramCache]: Analyzing trace with hash 1734038457, now seen corresponding path program 1 times [2022-02-16 00:38:05,908 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:05,908 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145906831] [2022-02-16 00:38:05,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:05,909 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:05,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:05,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:05,938 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:05,938 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145906831] [2022-02-16 00:38:05,938 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145906831] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:05,938 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:05,938 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:05,938 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773763166] [2022-02-16 00:38:05,938 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:05,939 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:05,939 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:05,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:05,939 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:05,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:05,940 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:05,940 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:05,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:05,940 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,090 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-16 00:38:06,090 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:06,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:06,090 INFO L85 PathProgramCache]: Analyzing trace with hash 457451893, now seen corresponding path program 1 times [2022-02-16 00:38:06,090 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:06,091 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1290468933] [2022-02-16 00:38:06,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:06,091 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:06,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:06,114 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:06,114 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1290468933] [2022-02-16 00:38:06,115 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1290468933] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:06,115 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:06,115 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:06,115 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591302524] [2022-02-16 00:38:06,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:06,115 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:06,115 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:06,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:06,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:06,116 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,116 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:06,116 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:06,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,116 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,117 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,253 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,254 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-16 00:38:06,254 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:06,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:06,254 INFO L85 PathProgramCache]: Analyzing trace with hash -1973671529, now seen corresponding path program 1 times [2022-02-16 00:38:06,254 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:06,255 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055981045] [2022-02-16 00:38:06,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:06,255 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:06,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:06,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:06,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:06,308 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055981045] [2022-02-16 00:38:06,308 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2055981045] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:06,308 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:06,308 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:06,308 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [151064167] [2022-02-16 00:38:06,308 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:06,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:06,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:06,309 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:06,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:06,309 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,309 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:06,309 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,309 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,534 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,534 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-16 00:38:06,535 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:06,535 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:06,535 INFO L85 PathProgramCache]: Analyzing trace with hash 1787921601, now seen corresponding path program 1 times [2022-02-16 00:38:06,535 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:06,535 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1439765875] [2022-02-16 00:38:06,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:06,536 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:06,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:06,553 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:06,554 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:06,554 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1439765875] [2022-02-16 00:38:06,554 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1439765875] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:06,554 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:06,554 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:06,554 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215774342] [2022-02-16 00:38:06,554 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:06,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:06,555 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:06,555 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:06,555 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:06,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,555 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:06,556 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,556 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-16 00:38:06,718 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:06,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:06,719 INFO L85 PathProgramCache]: Analyzing trace with hash 396267551, now seen corresponding path program 1 times [2022-02-16 00:38:06,719 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:06,719 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957778407] [2022-02-16 00:38:06,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:06,719 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:06,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:06,735 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:06,736 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:06,736 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957778407] [2022-02-16 00:38:06,736 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [957778407] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:06,736 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:06,736 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:06,736 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1989635435] [2022-02-16 00:38:06,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:06,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:06,737 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:06,737 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:06,737 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:06,737 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,737 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:06,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,738 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-16 00:38:06,895 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:06,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:06,896 INFO L85 PathProgramCache]: Analyzing trace with hash -405497667, now seen corresponding path program 1 times [2022-02-16 00:38:06,896 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:06,896 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1280947521] [2022-02-16 00:38:06,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:06,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:06,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:06,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:06,910 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:06,910 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1280947521] [2022-02-16 00:38:06,910 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1280947521] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:06,910 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:06,910 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:06,911 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1978554314] [2022-02-16 00:38:06,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:06,911 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:06,911 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:06,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:06,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:06,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:06,912 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:06,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:06,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,087 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,088 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,089 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-16 00:38:07,089 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:07,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:07,089 INFO L85 PathProgramCache]: Analyzing trace with hash 149159771, now seen corresponding path program 1 times [2022-02-16 00:38:07,089 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:07,090 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979036255] [2022-02-16 00:38:07,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:07,090 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:07,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:07,104 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:07,104 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:07,104 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979036255] [2022-02-16 00:38:07,104 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979036255] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:07,104 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:07,104 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:07,104 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023980224] [2022-02-16 00:38:07,104 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:07,105 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:07,105 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:07,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:07,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:07,105 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,105 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:07,105 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,106 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-16 00:38:07,332 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:07,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:07,332 INFO L85 PathProgramCache]: Analyzing trace with hash 707541859, now seen corresponding path program 1 times [2022-02-16 00:38:07,333 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:07,333 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [930370954] [2022-02-16 00:38:07,333 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:07,333 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:07,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:07,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:07,348 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:07,348 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [930370954] [2022-02-16 00:38:07,348 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [930370954] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:07,348 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:07,348 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:07,349 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803401170] [2022-02-16 00:38:07,349 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:07,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:07,349 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:07,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:07,350 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:07,350 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,350 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:07,350 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,350 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,351 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,542 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-16 00:38:07,542 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:07,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:07,543 INFO L85 PathProgramCache]: Analyzing trace with hash -87390369, now seen corresponding path program 1 times [2022-02-16 00:38:07,543 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:07,543 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [686064737] [2022-02-16 00:38:07,543 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:07,543 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:07,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:07,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:07,564 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:07,564 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [686064737] [2022-02-16 00:38:07,564 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [686064737] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:07,564 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:07,564 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:07,565 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [565934356] [2022-02-16 00:38:07,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:07,565 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:07,565 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:07,565 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:07,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:07,566 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,566 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:07,566 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,566 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,567 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,713 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-02-16 00:38:07,713 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:07,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:07,713 INFO L85 PathProgramCache]: Analyzing trace with hash -882437917, now seen corresponding path program 1 times [2022-02-16 00:38:07,714 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:07,714 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480728196] [2022-02-16 00:38:07,714 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:07,714 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:07,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:07,726 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:07,726 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480728196] [2022-02-16 00:38:07,726 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480728196] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:07,726 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:07,726 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-16 00:38:07,727 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [602195769] [2022-02-16 00:38:07,727 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:07,727 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-16 00:38:07,727 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:07,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-16 00:38:07,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-16 00:38:07,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,727 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:07,728 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 21.666666666666668) internal successors, (65), 3 states have internal predecessors, (65), 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) [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,728 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:07,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:07,842 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-02-16 00:38:07,843 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 13 more)] === [2022-02-16 00:38:07,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-16 00:38:07,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1130672517, now seen corresponding path program 1 times [2022-02-16 00:38:07,843 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-16 00:38:07,843 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [809142240] [2022-02-16 00:38:07,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-16 00:38:07,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-16 00:38:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-16 00:38:09,279 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-16 00:38:09,279 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-16 00:38:09,279 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [809142240] [2022-02-16 00:38:09,279 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [809142240] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-16 00:38:09,280 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-16 00:38:09,280 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2022-02-16 00:38:09,280 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1558413337] [2022-02-16 00:38:09,280 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-16 00:38:09,280 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2022-02-16 00:38:09,280 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-16 00:38:09,280 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2022-02-16 00:38:09,281 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=138, Invalid=168, Unknown=0, NotChecked=0, Total=306 [2022-02-16 00:38:09,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-16 00:38:09,281 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-16 00:38:09,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.823529411764706) internal successors, (65), 18 states have internal predecessors, (65), 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) [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,281 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-16 00:38:09,282 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.