/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_13.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-44898dd [2022-02-10 16:08:43,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-10 16:08:43,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-10 16:08:43,932 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-10 16:08:43,933 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-10 16:08:43,935 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-10 16:08:43,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-10 16:08:43,942 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-10 16:08:43,943 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-10 16:08:43,947 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-10 16:08:43,948 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-10 16:08:43,948 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-10 16:08:43,949 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-10 16:08:43,949 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-10 16:08:43,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-10 16:08:43,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-10 16:08:43,951 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-10 16:08:43,951 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-10 16:08:43,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-10 16:08:43,953 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-10 16:08:43,954 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-10 16:08:43,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-10 16:08:43,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-10 16:08:43,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-10 16:08:43,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-10 16:08:43,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-10 16:08:43,968 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-10 16:08:43,969 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-10 16:08:43,969 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-10 16:08:43,970 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-10 16:08:43,970 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-10 16:08:43,971 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-10 16:08:43,972 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-10 16:08:43,973 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-10 16:08:43,974 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-10 16:08:43,974 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-10 16:08:43,974 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-10 16:08:43,974 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-10 16:08:43,975 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-10 16:08:43,975 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-10 16:08:43,975 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-10 16:08:43,976 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 [2022-02-10 16:08:44,001 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-10 16:08:44,001 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-10 16:08:44,001 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-10 16:08:44,001 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-10 16:08:44,002 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-10 16:08:44,002 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-10 16:08:44,002 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * Use SBE=true [2022-02-10 16:08:44,003 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-10 16:08:44,003 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-10 16:08:44,004 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-10 16:08:44,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 16:08:44,005 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-10 16:08:44,005 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-10 16:08:44,006 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-02-10 16:08:44,006 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-10 16:08:44,193 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-10 16:08:44,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-10 16:08:44,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-10 16:08:44,216 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-10 16:08:44,223 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-10 16:08:44,224 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl [2022-02-10 16:08:44,224 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_13.bpl' [2022-02-10 16:08:44,240 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-10 16:08:44,241 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-10 16:08:44,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-10 16:08:44,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-10 16:08:44,243 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-10 16:08:44,254 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,259 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,264 INFO L137 Inliner]: procedures = 14, calls = 13, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-10 16:08:44,265 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-10 16:08:44,266 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-10 16:08:44,266 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-10 16:08:44,266 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-10 16:08:44,271 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,271 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,271 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,271 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,273 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,274 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,274 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-10 16:08:44,275 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-10 16:08:44,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-10 16:08:44,276 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-10 16:08:44,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/1) ... [2022-02-10 16:08:44,288 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-10 16:08:44,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 16:08:44,339 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) [2022-02-10 16:08:44,360 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 [2022-02-10 16:08:44,378 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-02-10 16:08:44,378 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-02-10 16:08:44,378 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-02-10 16:08:44,379 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-02-10 16:08:44,379 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-02-10 16:08:44,379 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-02-10 16:08:44,380 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-02-10 16:08:44,380 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-02-10 16:08:44,380 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-02-10 16:08:44,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-02-10 16:08:44,381 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-02-10 16:08:44,381 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-02-10 16:08:44,381 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-02-10 16:08:44,382 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-02-10 16:08:44,382 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-02-10 16:08:44,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-02-10 16:08:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-02-10 16:08:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-02-10 16:08:44,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-10 16:08:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-10 16:08:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-10 16:08:44,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-02-10 16:08:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-02-10 16:08:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-02-10 16:08:44,384 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-02-10 16:08:44,384 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-02-10 16:08:44,384 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-02-10 16:08:44,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-02-10 16:08:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-02-10 16:08:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-02-10 16:08:44,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-02-10 16:08:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-02-10 16:08:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-02-10 16:08:44,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-02-10 16:08:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-02-10 16:08:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-02-10 16:08:44,385 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-02-10 16:08:44,385 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-02-10 16:08:44,385 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-02-10 16:08:44,386 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-02-10 16:08:44,386 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-02-10 16:08:44,386 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-02-10 16:08:44,386 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-10 16:08:44,428 INFO L234 CfgBuilder]: Building ICFG [2022-02-10 16:08:44,431 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-10 16:08:44,543 INFO L275 CfgBuilder]: Performing block encoding [2022-02-10 16:08:44,550 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-10 16:08:44,556 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-10 16:08:44,558 INFO L202 PluginConnector]: Adding new model example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 04:08:44 BoogieIcfgContainer [2022-02-10 16:08:44,558 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-10 16:08:44,564 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-10 16:08:44,564 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-10 16:08:44,580 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-10 16:08:44,580 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_13.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 10.02 04:08:44" (1/2) ... [2022-02-10 16:08:44,581 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@798ce86f and model type example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.02 04:08:44, skipping insertion in model container [2022-02-10 16:08:44,581 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_13.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.02 04:08:44" (2/2) ... [2022-02-10 16:08:44,582 INFO L111 eAbstractionObserver]: Analyzing ICFG example_13.bpl [2022-02-10 16:08:44,586 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-10 16:08:44,586 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-10 16:08:44,586 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-10 16:08:44,586 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-10 16:08:44,679 INFO L148 ThreadInstanceAdder]: Constructed 169 joinOtherThreadTransitions. [2022-02-10 16:08:44,739 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-10 16:08:44,740 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-10 16:08:44,741 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) [2022-02-10 16:08:44,742 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 [2022-02-10 16:08:44,783 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-10 16:08:44,790 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 [2022-02-10 16:08:44,790 INFO L340 AbstractCegarLoop]: Starting to check reachability of 14 error locations. [2022-02-10 16:08:45,505 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:45,507 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:45,514 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:45,514 INFO L85 PathProgramCache]: Analyzing trace with hash -999707082, now seen corresponding path program 1 times [2022-02-10 16:08:45,524 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:45,525 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1373100685] [2022-02-10 16:08:45,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:45,525 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:45,664 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:45,665 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:45,665 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1373100685] [2022-02-10 16:08:45,667 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1373100685] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:45,667 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:45,667 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:45,669 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304227295] [2022-02-10 16:08:45,670 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:45,675 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:45,675 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:45,688 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:45,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:45,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:45,691 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:45,692 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:45,692 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:46,224 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:46,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:46,225 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-10 16:08:46,225 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:46,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:46,227 INFO L85 PathProgramCache]: Analyzing trace with hash 1484359042, now seen corresponding path program 1 times [2022-02-10 16:08:46,227 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:46,227 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1294345519] [2022-02-10 16:08:46,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:46,227 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:46,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:46,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:46,263 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:46,263 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1294345519] [2022-02-10 16:08:46,263 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1294345519] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:46,263 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:46,263 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:46,263 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404832475] [2022-02-10 16:08:46,263 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:46,264 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:46,264 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:46,265 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:46,265 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:46,265 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:46,265 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:46,265 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:46,265 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:46,266 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:46,730 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:46,730 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:46,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:46,731 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-10 16:08:46,731 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:46,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:46,732 INFO L85 PathProgramCache]: Analyzing trace with hash 179006296, now seen corresponding path program 1 times [2022-02-10 16:08:46,732 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:46,732 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117289469] [2022-02-10 16:08:46,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:46,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:46,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:46,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:46,766 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:46,766 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117289469] [2022-02-10 16:08:46,766 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117289469] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:46,766 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:46,767 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:46,767 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1290559400] [2022-02-10 16:08:46,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:46,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:46,767 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:46,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:46,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:46,768 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:46,768 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:46,768 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:46,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:46,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:46,768 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:47,257 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,257 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,258 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-10 16:08:47,258 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:47,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:47,259 INFO L85 PathProgramCache]: Analyzing trace with hash -686378570, now seen corresponding path program 1 times [2022-02-10 16:08:47,259 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:47,259 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173374095] [2022-02-10 16:08:47,259 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:47,260 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:47,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:47,299 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:47,299 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173374095] [2022-02-10 16:08:47,299 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173374095] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:47,300 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:47,300 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:47,300 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046614396] [2022-02-10 16:08:47,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:47,300 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:47,301 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:47,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:47,301 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:47,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:47,301 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:47,302 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,302 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:47,791 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-10 16:08:47,792 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:47,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:47,793 INFO L85 PathProgramCache]: Analyzing trace with hash -396127716, now seen corresponding path program 1 times [2022-02-10 16:08:47,793 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:47,793 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585649098] [2022-02-10 16:08:47,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:47,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:47,818 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:47,819 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:47,819 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585649098] [2022-02-10 16:08:47,819 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585649098] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:47,819 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:47,819 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:47,819 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [180317682] [2022-02-10 16:08:47,819 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:47,820 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:47,820 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:47,820 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:47,820 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:47,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:47,820 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:47,821 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:47,821 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:48,160 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,161 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,161 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-02-10 16:08:48,162 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:48,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:48,162 INFO L85 PathProgramCache]: Analyzing trace with hash -818613442, now seen corresponding path program 1 times [2022-02-10 16:08:48,163 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:48,163 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385372724] [2022-02-10 16:08:48,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:48,163 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:48,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:48,191 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:48,191 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385372724] [2022-02-10 16:08:48,191 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [385372724] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:48,192 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:48,192 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:48,192 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27753272] [2022-02-10 16:08:48,192 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:48,192 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:48,193 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:48,193 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:48,193 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:48,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:48,193 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:48,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:48,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,193 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,194 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:48,613 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,614 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-02-10 16:08:48,614 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:48,614 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:48,614 INFO L85 PathProgramCache]: Analyzing trace with hash -1988588324, now seen corresponding path program 1 times [2022-02-10 16:08:48,615 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:48,615 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525553865] [2022-02-10 16:08:48,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:48,615 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:48,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:48,635 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:48,636 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:48,636 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525553865] [2022-02-10 16:08:48,636 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525553865] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:48,636 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:48,636 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:48,636 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1231933920] [2022-02-10 16:08:48,636 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:48,636 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:48,637 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:48,637 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:48,637 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:48,637 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:48,637 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:48,637 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:48,637 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:48,638 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:49,099 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:49,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,100 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-02-10 16:08:49,100 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:49,101 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:49,101 INFO L85 PathProgramCache]: Analyzing trace with hash -1669158210, now seen corresponding path program 1 times [2022-02-10 16:08:49,101 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:49,101 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827114064] [2022-02-10 16:08:49,101 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:49,101 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:49,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:49,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:49,120 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:49,120 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827114064] [2022-02-10 16:08:49,120 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827114064] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:49,120 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:49,120 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:49,120 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928325237] [2022-02-10 16:08:49,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:49,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:49,121 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:49,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:49,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:49,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:49,121 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:49,121 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:49,478 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,479 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,480 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-02-10 16:08:49,481 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:49,481 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:49,481 INFO L85 PathProgramCache]: Analyzing trace with hash -1274341604, now seen corresponding path program 1 times [2022-02-10 16:08:49,481 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:49,481 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1982745653] [2022-02-10 16:08:49,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:49,481 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:49,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:49,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:49,500 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:49,500 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1982745653] [2022-02-10 16:08:49,500 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1982745653] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:49,500 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:49,500 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:49,501 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1997467597] [2022-02-10 16:08:49,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:49,501 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:49,501 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:49,501 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:49,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:49,502 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:49,502 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:49,502 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,502 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:49,852 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,854 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-02-10 16:08:49,854 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:49,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:49,854 INFO L85 PathProgramCache]: Analyzing trace with hash 755701818, now seen corresponding path program 1 times [2022-02-10 16:08:49,854 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:49,855 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [513089398] [2022-02-10 16:08:49,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:49,855 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:49,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:49,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:49,872 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:49,872 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [513089398] [2022-02-10 16:08:49,872 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [513089398] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:49,872 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:49,872 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:49,872 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2142953194] [2022-02-10 16:08:49,872 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:49,873 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:49,873 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:49,873 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:49,873 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:49,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:49,873 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:49,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:49,873 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:49,874 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:50,185 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,186 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,187 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-02-10 16:08:50,187 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:50,187 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:50,187 INFO L85 PathProgramCache]: Analyzing trace with hash 658812316, now seen corresponding path program 1 times [2022-02-10 16:08:50,187 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:50,187 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1330356181] [2022-02-10 16:08:50,188 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:50,188 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:50,207 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:50,208 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:50,208 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1330356181] [2022-02-10 16:08:50,208 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1330356181] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:50,208 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:50,208 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-10 16:08:50,208 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1700063588] [2022-02-10 16:08:50,208 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:50,209 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-10 16:08:50,209 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:50,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-10 16:08:50,209 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-10 16:08:50,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:50,209 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:50,210 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.666666666666668) internal successors, (53), 3 states have internal predecessors, (53), 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) [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,210 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:50,600 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 521 transitions and produced 522 states. [2022-02-10 16:08:50,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:50,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-02-10 16:08:50,602 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 10 more)] === [2022-02-10 16:08:50,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-10 16:08:50,603 INFO L85 PathProgramCache]: Analyzing trace with hash 365379518, now seen corresponding path program 1 times [2022-02-10 16:08:50,603 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-10 16:08:50,603 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1388759573] [2022-02-10 16:08:50,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-10 16:08:50,603 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-10 16:08:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-10 16:08:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-10 16:08:51,536 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-10 16:08:51,537 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1388759573] [2022-02-10 16:08:51,537 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1388759573] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-10 16:08:51,538 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-10 16:08:51,538 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [14] imperfect sequences [] total 14 [2022-02-10 16:08:51,538 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499908145] [2022-02-10 16:08:51,538 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-10 16:08:51,538 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2022-02-10 16:08:51,538 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-10 16:08:51,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2022-02-10 16:08:51,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=117, Unknown=0, NotChecked=0, Total=210 [2022-02-10 16:08:51,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-10 16:08:51,540 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-10 16:08:51,540 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 3.7857142857142856) internal successors, (53), 15 states have internal predecessors, (53), 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) [2022-02-10 16:08:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,540 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-10 16:08:51,541 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.