/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_14.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-4b0ab11 [2022-03-04 10:32:59,487 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-04 10:32:59,488 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-04 10:32:59,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-04 10:32:59,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-04 10:32:59,514 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-04 10:32:59,515 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-04 10:32:59,516 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-04 10:32:59,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-04 10:32:59,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-04 10:32:59,518 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-04 10:32:59,519 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-04 10:32:59,519 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-04 10:32:59,520 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-04 10:32:59,520 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-04 10:32:59,521 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-04 10:32:59,521 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-04 10:32:59,522 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-04 10:32:59,523 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-04 10:32:59,524 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-04 10:32:59,525 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-04 10:32:59,526 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-04 10:32:59,527 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-04 10:32:59,527 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-04 10:32:59,529 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-04 10:32:59,529 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-04 10:32:59,529 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-04 10:32:59,530 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-04 10:32:59,530 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-04 10:32:59,531 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-04 10:32:59,531 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-04 10:32:59,531 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-04 10:32:59,532 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-04 10:32:59,532 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-04 10:32:59,533 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-04 10:32:59,533 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-04 10:32:59,534 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-04 10:32:59,534 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-04 10:32:59,534 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-04 10:32:59,535 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-04 10:32:59,535 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-04 10:32:59,536 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-MCRwithoutDepranks-Lazy.epf [2022-03-04 10:32:59,551 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-04 10:32:59,551 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-04 10:32:59,551 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-04 10:32:59,551 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-04 10:32:59,552 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-04 10:32:59,552 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-04 10:32:59,553 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-04 10:32:59,553 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-04 10:32:59,553 INFO L138 SettingsManager]: * Use SBE=true [2022-03-04 10:32:59,553 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-04 10:32:59,553 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-04 10:32:59,553 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-04 10:32:59,553 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-04 10:32:59,553 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-04 10:32:59,554 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-04 10:32:59,554 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-04 10:32:59,554 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-04 10:32:59,554 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-04 10:32:59,554 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-04 10:32:59,554 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-04 10:32:59,554 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-04 10:32:59,554 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-04 10:32:59,555 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-04 10:32:59,555 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-04 10:32:59,555 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-04 10:32:59,555 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:32:59,555 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-04 10:32:59,555 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-04 10:32:59,555 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-04 10:32:59,555 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-04 10:32:59,556 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-04 10:32:59,556 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-04 10:32:59,556 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-04 10:32:59,556 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-04 10:32:59,556 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-04 10:32:59,556 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-04 10:32:59,556 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-04 10:32:59,728 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-04 10:32:59,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-04 10:32:59,751 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-04 10:32:59,752 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-03-04 10:32:59,753 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-03-04 10:32:59,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_14.bpl [2022-03-04 10:32:59,754 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_14.bpl' [2022-03-04 10:32:59,768 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-04 10:32:59,769 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-03-04 10:32:59,770 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-04 10:32:59,770 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-04 10:32:59,770 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-04 10:32:59,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,783 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,793 INFO L137 Inliner]: procedures = 15, calls = 14, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-03-04 10:32:59,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-04 10:32:59,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-04 10:32:59,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-04 10:32:59,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-04 10:32:59,801 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,801 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,802 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,802 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,804 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,805 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,806 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-04 10:32:59,807 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-04 10:32:59,807 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-04 10:32:59,807 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-04 10:32:59,819 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/1) ... [2022-03-04 10:32:59,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-04 10:32:59,830 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:32:59,842 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) [2022-03-04 10:32:59,860 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 [2022-03-04 10:32:59,891 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-03-04 10:32:59,891 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-03-04 10:32:59,891 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-03-04 10:32:59,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-03-04 10:32:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-03-04 10:32:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-03-04 10:32:59,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-03-04 10:32:59,892 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-03-04 10:32:59,892 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-03-04 10:32:59,892 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-03-04 10:32:59,893 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-03-04 10:32:59,893 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-03-04 10:32:59,894 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-03-04 10:32:59,894 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-03-04 10:32:59,894 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-03-04 10:32:59,897 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-03-04 10:32:59,897 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-03-04 10:32:59,897 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-03-04 10:32:59,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-03-04 10:32:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-04 10:32:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-04 10:32:59,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-03-04 10:32:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-03-04 10:32:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-03-04 10:32:59,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-03-04 10:32:59,898 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-03-04 10:32:59,898 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-03-04 10:32:59,898 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-03-04 10:32:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-03-04 10:32:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-03-04 10:32:59,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-03-04 10:32:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-03-04 10:32:59,899 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-03-04 10:32:59,899 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-03-04 10:32:59,899 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-03-04 10:32:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-03-04 10:32:59,900 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-03-04 10:32:59,900 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-03-04 10:32:59,900 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-03-04 10:32:59,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-03-04 10:32:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-03-04 10:32:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-03-04 10:32:59,901 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-03-04 10:32:59,901 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-03-04 10:32:59,901 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-03-04 10:32:59,902 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-04 10:32:59,947 INFO L234 CfgBuilder]: Building ICFG [2022-03-04 10:32:59,949 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-04 10:33:00,066 INFO L275 CfgBuilder]: Performing block encoding [2022-03-04 10:33:00,072 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-04 10:33:00,072 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-04 10:33:00,073 INFO L202 PluginConnector]: Adding new model example_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:33:00 BoogieIcfgContainer [2022-03-04 10:33:00,073 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-04 10:33:00,075 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-04 10:33:00,075 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-04 10:33:00,077 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-04 10:33:00,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_14.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 04.03 10:32:59" (1/2) ... [2022-03-04 10:33:00,078 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2cf1c576 and model type example_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.03 10:33:00, skipping insertion in model container [2022-03-04 10:33:00,078 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_14.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.03 10:33:00" (2/2) ... [2022-03-04 10:33:00,079 INFO L111 eAbstractionObserver]: Analyzing ICFG example_14.bpl [2022-03-04 10:33:00,083 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-04 10:33:00,083 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-04 10:33:00,083 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-03-04 10:33:00,083 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-03-04 10:33:00,175 INFO L148 ThreadInstanceAdder]: Constructed 196 joinOtherThreadTransitions. [2022-03-04 10:33:00,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-03-04 10:33:00,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-04 10:33:00,255 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) [2022-03-04 10:33:00,256 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 [2022-03-04 10:33:00,280 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-03-04 10:33:00,288 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, mMcrOptimizeForkJoin=true, mMcrOverapproximateWrwc=true [2022-03-04 10:33:00,289 INFO L340 AbstractCegarLoop]: Starting to check reachability of 15 error locations. [2022-03-04 10:33:00,562 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:00,564 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:00,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:00,568 INFO L85 PathProgramCache]: Analyzing trace with hash 362278454, now seen corresponding path program 1 times [2022-03-04 10:33:00,574 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:00,574 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [527961684] [2022-03-04 10:33:00,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:00,574 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:00,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:00,730 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:00,731 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:00,731 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [527961684] [2022-03-04 10:33:00,731 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [527961684] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:00,732 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:00,732 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:00,733 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239887777] [2022-03-04 10:33:00,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:00,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:00,737 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:00,763 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:00,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:00,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:00,783 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:00,807 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:00,808 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,032 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:01,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,033 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-03-04 10:33:01,033 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:01,036 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:01,036 INFO L85 PathProgramCache]: Analyzing trace with hash -1919578408, now seen corresponding path program 1 times [2022-03-04 10:33:01,037 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:01,037 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1237933350] [2022-03-04 10:33:01,037 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:01,037 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:01,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:01,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:01,093 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:01,093 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1237933350] [2022-03-04 10:33:01,093 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1237933350] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:01,093 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:01,093 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:01,093 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442715724] [2022-03-04 10:33:01,093 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:01,094 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:01,095 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:01,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:01,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:01,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,095 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:01,096 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,096 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,286 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:01,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,287 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-03-04 10:33:01,287 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:01,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:01,289 INFO L85 PathProgramCache]: Analyzing trace with hash -1726634736, now seen corresponding path program 1 times [2022-03-04 10:33:01,290 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:01,291 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801379146] [2022-03-04 10:33:01,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:01,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:01,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:01,359 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:01,359 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:01,359 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801379146] [2022-03-04 10:33:01,359 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801379146] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:01,360 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:01,360 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:01,360 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1200878235] [2022-03-04 10:33:01,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:01,360 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:01,360 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:01,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:01,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:01,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,361 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:01,361 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:01,361 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,362 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,518 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,518 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-03-04 10:33:01,519 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:01,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:01,520 INFO L85 PathProgramCache]: Analyzing trace with hash -1525359194, now seen corresponding path program 1 times [2022-03-04 10:33:01,520 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:01,529 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729483717] [2022-03-04 10:33:01,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:01,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:01,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:01,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:01,610 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:01,610 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729483717] [2022-03-04 10:33:01,610 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729483717] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:01,611 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:01,611 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:01,611 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [121691128] [2022-03-04 10:33:01,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:01,611 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:01,611 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:01,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:01,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:01,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:01,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:01,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,741 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,741 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-03-04 10:33:01,742 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:01,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:01,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1324371952, now seen corresponding path program 1 times [2022-03-04 10:33:01,743 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:01,743 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1984793601] [2022-03-04 10:33:01,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:01,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:01,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:01,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:01,777 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:01,777 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1984793601] [2022-03-04 10:33:01,777 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1984793601] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:01,778 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:01,778 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:01,778 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308922745] [2022-03-04 10:33:01,778 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:01,778 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:01,778 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:01,779 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:01,779 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:01,779 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,779 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:01,779 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,779 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,921 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,922 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-03-04 10:33:01,922 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:01,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:01,922 INFO L85 PathProgramCache]: Analyzing trace with hash 338159402, now seen corresponding path program 1 times [2022-03-04 10:33:01,922 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:01,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [770027428] [2022-03-04 10:33:01,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:01,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:01,975 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:01,975 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:01,975 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [770027428] [2022-03-04 10:33:01,976 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [770027428] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:01,976 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:01,976 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:01,976 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1606261243] [2022-03-04 10:33:01,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:01,976 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:01,976 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:01,977 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:01,977 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:01,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:01,977 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:01,977 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:01,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,977 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:01,978 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,120 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,121 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-03-04 10:33:02,122 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:02,122 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:02,123 INFO L85 PathProgramCache]: Analyzing trace with hash -1855640944, now seen corresponding path program 1 times [2022-03-04 10:33:02,123 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:02,124 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [840140104] [2022-03-04 10:33:02,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:02,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:02,181 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:02,182 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:02,182 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [840140104] [2022-03-04 10:33:02,182 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [840140104] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:02,182 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:02,182 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:02,182 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [222315881] [2022-03-04 10:33:02,182 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:02,183 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:02,183 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:02,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:02,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:02,183 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,183 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:02,183 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:02,183 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,184 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,282 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:02,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-03-04 10:33:02,283 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:02,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:02,284 INFO L85 PathProgramCache]: Analyzing trace with hash 2016840626, now seen corresponding path program 1 times [2022-03-04 10:33:02,284 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:02,284 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522356133] [2022-03-04 10:33:02,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:02,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:02,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:02,320 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:02,320 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:02,320 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522356133] [2022-03-04 10:33:02,321 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [522356133] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:02,321 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:02,321 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:02,321 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915390861] [2022-03-04 10:33:02,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:02,321 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:02,321 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:02,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:02,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:02,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,322 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:02,322 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,322 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,323 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,431 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,432 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-03-04 10:33:02,433 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:02,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash 416402772, now seen corresponding path program 1 times [2022-03-04 10:33:02,433 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:02,433 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1774272702] [2022-03-04 10:33:02,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:02,433 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:02,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:02,452 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:02,452 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1774272702] [2022-03-04 10:33:02,452 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1774272702] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:02,452 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:02,452 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:02,452 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182554964] [2022-03-04 10:33:02,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:02,453 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:02,453 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:02,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:02,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:02,453 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,453 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:02,453 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,454 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,551 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,552 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-03-04 10:33:02,552 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:02,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:02,552 INFO L85 PathProgramCache]: Analyzing trace with hash 426905876, now seen corresponding path program 1 times [2022-03-04 10:33:02,553 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:02,553 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [846742373] [2022-03-04 10:33:02,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:02,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:02,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:02,573 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:02,574 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:02,575 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [846742373] [2022-03-04 10:33:02,576 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [846742373] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:02,576 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:02,576 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:02,576 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138636954] [2022-03-04 10:33:02,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:02,576 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:02,576 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:02,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:02,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:02,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,577 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:02,578 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,578 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,702 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-03-04 10:33:02,703 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:02,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:02,704 INFO L85 PathProgramCache]: Analyzing trace with hash 315506550, now seen corresponding path program 1 times [2022-03-04 10:33:02,704 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:02,704 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1434353053] [2022-03-04 10:33:02,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:02,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:02,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:02,720 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:02,721 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:02,721 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1434353053] [2022-03-04 10:33:02,721 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1434353053] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:02,721 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:02,721 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-03-04 10:33:02,721 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685097930] [2022-03-04 10:33:02,721 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:02,721 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-03-04 10:33:02,721 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:02,722 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-03-04 10:33:02,722 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-03-04 10:33:02,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,722 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:02,722 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,722 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,723 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:02,816 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 603 transitions and produced 604 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:02,818 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-03-04 10:33:02,818 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 11 more)] === [2022-03-04 10:33:02,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-03-04 10:33:02,818 INFO L85 PathProgramCache]: Analyzing trace with hash 1070712152, now seen corresponding path program 1 times [2022-03-04 10:33:02,819 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-03-04 10:33:02,819 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1007008327] [2022-03-04 10:33:02,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-03-04 10:33:02,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-03-04 10:33:02,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-03-04 10:33:03,819 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-03-04 10:33:03,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-03-04 10:33:03,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1007008327] [2022-03-04 10:33:03,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1007008327] provided 1 perfect and 0 imperfect interpolant sequences [2022-03-04 10:33:03,819 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-03-04 10:33:03,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2022-03-04 10:33:03,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568791912] [2022-03-04 10:33:03,820 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-03-04 10:33:03,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2022-03-04 10:33:03,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-03-04 10:33:03,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2022-03-04 10:33:03,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=107, Invalid=133, Unknown=0, NotChecked=0, Total=240 [2022-03-04 10:33:03,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-03-04 10:33:03,821 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-03-04 10:33:03,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.8) internal successors, (57), 16 states have internal predecessors, (57), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-03-04 10:33:03,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.