/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 20:18:20,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 20:18:20,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 20:18:20,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 20:18:20,656 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 20:18:20,656 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 20:18:20,657 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 20:18:20,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 20:18:20,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 20:18:20,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 20:18:20,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 20:18:20,673 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 20:18:20,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 20:18:20,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 20:18:20,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 20:18:20,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 20:18:20,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 20:18:20,676 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 20:18:20,677 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 20:18:20,680 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 20:18:20,681 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 20:18:20,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 20:18:20,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 20:18:20,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 20:18:20,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-01-28 20:18:20,687 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-01-28 20:18:20,687 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-01-28 20:18:20,688 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-01-28 20:18:20,688 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-01-28 20:18:20,689 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-01-28 20:18:20,689 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-28 20:18:20,689 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-28 20:18:20,690 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-28 20:18:20,690 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-28 20:18:20,691 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-28 20:18:20,691 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-28 20:18:20,692 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-28 20:18:20,692 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-28 20:18:20,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 20:18:20,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 20:18:20,693 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 20:18:20,696 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleep-NoLbe.epf [2022-01-28 20:18:20,709 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 20:18:20,709 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 20:18:20,709 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 20:18:20,709 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 20:18:20,710 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 20:18:20,710 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 20:18:20,710 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 20:18:20,710 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 20:18:20,710 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 20:18:20,711 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 20:18:20,711 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 20:18:20,714 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 20:18:20,715 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 20:18:20,715 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 20:18:20,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 20:18:20,716 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 20:18:20,716 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 20:18:20,716 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 20:18:20,716 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2022-01-28 20:18:20,716 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 20:18:20,910 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 20:18:20,934 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 20:18:20,936 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 20:18:20,937 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-28 20:18:20,938 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-28 20:18:20,939 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl [2022-01-28 20:18:20,939 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_19.bpl' [2022-01-28 20:18:20,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 20:18:20,973 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-28 20:18:20,974 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 20:18:20,974 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 20:18:20,974 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 20:18:20,983 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:20,990 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:20,996 INFO L137 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-28 20:18:20,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 20:18:20,998 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 20:18:20,998 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 20:18:20,998 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 20:18:21,003 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,004 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,004 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,005 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,010 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,011 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,012 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,015 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 20:18:21,016 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 20:18:21,016 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 20:18:21,017 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 20:18:21,017 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/1) ... [2022-01-28 20:18:21,023 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 20:18:21,032 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 20:18:21,043 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) [2022-01-28 20:18:21,055 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 [2022-01-28 20:18:21,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_16 given in one single declaration [2022-01-28 20:18:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure set_16 [2022-01-28 20:18:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_16 [2022-01-28 20:18:21,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_17 given in one single declaration [2022-01-28 20:18:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure set_17 [2022-01-28 20:18:21,075 INFO L138 BoogieDeclarations]: Found implementation of procedure set_17 [2022-01-28 20:18:21,075 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2022-01-28 20:18:21,075 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2022-01-28 20:18:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2022-01-28 20:18:21,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_15 given in one single declaration [2022-01-28 20:18:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure set_15 [2022-01-28 20:18:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure set_15 [2022-01-28 20:18:21,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_18 given in one single declaration [2022-01-28 20:18:21,076 INFO L130 BoogieDeclarations]: Found specification of procedure set_18 [2022-01-28 20:18:21,076 INFO L138 BoogieDeclarations]: Found implementation of procedure set_18 [2022-01-28 20:18:21,076 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-01-28 20:18:21,077 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-01-28 20:18:21,077 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-01-28 20:18:21,077 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-01-28 20:18:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-01-28 20:18:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-01-28 20:18:21,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-01-28 20:18:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-01-28 20:18:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-01-28 20:18:21,078 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-01-28 20:18:21,078 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-01-28 20:18:21,078 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-01-28 20:18:21,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-01-28 20:18:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-01-28 20:18:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-01-28 20:18:21,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-01-28 20:18:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-01-28 20:18:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-01-28 20:18:21,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-28 20:18:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 20:18:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 20:18:21,079 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-01-28 20:18:21,079 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-01-28 20:18:21,079 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-01-28 20:18:21,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-01-28 20:18:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-01-28 20:18:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-01-28 20:18:21,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-01-28 20:18:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-01-28 20:18:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-01-28 20:18:21,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-01-28 20:18:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-01-28 20:18:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-01-28 20:18:21,080 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-01-28 20:18:21,080 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-01-28 20:18:21,080 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-01-28 20:18:21,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-01-28 20:18:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-01-28 20:18:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-01-28 20:18:21,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-01-28 20:18:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-01-28 20:18:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-01-28 20:18:21,081 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-01-28 20:18:21,081 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-01-28 20:18:21,081 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-01-28 20:18:21,082 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 20:18:21,127 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 20:18:21,129 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 20:18:21,281 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 20:18:21,288 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 20:18:21,289 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-28 20:18:21,290 INFO L202 PluginConnector]: Adding new model example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:18:21 BoogieIcfgContainer [2022-01-28 20:18:21,290 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 20:18:21,292 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 20:18:21,292 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 20:18:21,309 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 20:18:21,310 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_19.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 28.01 08:18:20" (1/2) ... [2022-01-28 20:18:21,311 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a74375a and model type example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 08:18:21, skipping insertion in model container [2022-01-28 20:18:21,311 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_19.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 08:18:21" (2/2) ... [2022-01-28 20:18:21,312 INFO L111 eAbstractionObserver]: Analyzing ICFG example_19.bpl [2022-01-28 20:18:21,316 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 20:18:21,316 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 20:18:21,317 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-28 20:18:21,317 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 20:18:21,453 INFO L148 ThreadInstanceAdder]: Constructed 361 joinOtherThreadTransitions. [2022-01-28 20:18:21,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 20:18:21,513 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 20:18:21,529 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) [2022-01-28 20:18:21,537 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 [2022-01-28 20:18:21,561 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-28 20:18:21,569 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, 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 [2022-01-28 20:18:21,569 INFO L340 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2022-01-28 20:18:22,063 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:22,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:22,068 INFO L85 PathProgramCache]: Analyzing trace with hash -2090860731, now seen corresponding path program 1 times [2022-01-28 20:18:22,074 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:22,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [647476063] [2022-01-28 20:18:22,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:22,075 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:22,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:22,246 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:22,246 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:22,247 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [647476063] [2022-01-28 20:18:22,247 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [647476063] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:22,247 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:22,248 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:22,249 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [354202703] [2022-01-28 20:18:22,249 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:22,258 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:22,259 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:22,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:22,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:22,320 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:22,322 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:22,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:22,324 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:22,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:22,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 20:18:22,728 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:22,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:22,731 INFO L85 PathProgramCache]: Analyzing trace with hash 493147347, now seen corresponding path program 1 times [2022-01-28 20:18:22,732 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:22,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2118241347] [2022-01-28 20:18:22,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:22,732 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:22,783 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:22,784 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:22,784 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2118241347] [2022-01-28 20:18:22,784 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2118241347] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:22,784 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:22,784 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:22,784 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [305686489] [2022-01-28 20:18:22,785 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:22,786 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:22,786 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:22,786 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:22,786 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:22,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:22,787 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:22,787 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:22,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:22,787 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,045 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 20:18:23,046 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:23,047 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:23,049 INFO L85 PathProgramCache]: Analyzing trace with hash 2141368651, now seen corresponding path program 1 times [2022-01-28 20:18:23,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:23,050 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [755663436] [2022-01-28 20:18:23,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:23,050 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:23,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:23,120 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:23,120 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [755663436] [2022-01-28 20:18:23,120 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [755663436] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:23,120 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:23,120 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:23,121 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [967611247] [2022-01-28 20:18:23,121 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:23,121 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:23,121 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:23,122 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:23,122 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:23,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,122 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:23,122 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:23,122 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,123 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,356 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 20:18:23,357 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:23,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:23,357 INFO L85 PathProgramCache]: Analyzing trace with hash 322067351, now seen corresponding path program 1 times [2022-01-28 20:18:23,358 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:23,358 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [581773377] [2022-01-28 20:18:23,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:23,358 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:23,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:23,386 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:23,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:23,387 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [581773377] [2022-01-28 20:18:23,387 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [581773377] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:23,387 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:23,387 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:23,387 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342228524] [2022-01-28 20:18:23,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:23,388 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:23,388 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:23,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:23,388 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:23,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,388 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:23,388 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:23,388 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,389 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,572 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 20:18:23,572 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:23,574 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:23,574 INFO L85 PathProgramCache]: Analyzing trace with hash -839589315, now seen corresponding path program 1 times [2022-01-28 20:18:23,574 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:23,574 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [398376227] [2022-01-28 20:18:23,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:23,575 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:23,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:23,610 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:23,611 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:23,611 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [398376227] [2022-01-28 20:18:23,611 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [398376227] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:23,611 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:23,611 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:23,611 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1173624604] [2022-01-28 20:18:23,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:23,612 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:23,612 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:23,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:23,612 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:23,612 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,612 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:23,612 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:23,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,612 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,613 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,833 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 20:18:23,834 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:23,834 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:23,834 INFO L85 PathProgramCache]: Analyzing trace with hash -835391035, now seen corresponding path program 1 times [2022-01-28 20:18:23,834 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:23,835 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1725175050] [2022-01-28 20:18:23,835 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:23,835 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:23,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:23,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:23,882 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1725175050] [2022-01-28 20:18:23,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1725175050] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:23,883 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:23,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:23,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994252854] [2022-01-28 20:18:23,883 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:23,883 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:23,883 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:23,884 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:23,884 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:23,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:23,884 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:23,884 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,884 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:23,885 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,075 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,079 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-28 20:18:24,079 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:24,079 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:24,079 INFO L85 PathProgramCache]: Analyzing trace with hash -912591811, now seen corresponding path program 1 times [2022-01-28 20:18:24,079 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:24,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [876775192] [2022-01-28 20:18:24,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:24,080 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:24,097 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:24,098 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:24,098 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [876775192] [2022-01-28 20:18:24,098 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [876775192] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:24,098 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:24,098 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:24,098 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [764274345] [2022-01-28 20:18:24,098 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:24,099 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:24,099 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:24,099 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:24,099 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:24,099 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,099 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:24,099 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:24,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,099 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,100 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,263 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-28 20:18:24,263 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:24,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:24,264 INFO L85 PathProgramCache]: Analyzing trace with hash 232486145, now seen corresponding path program 1 times [2022-01-28 20:18:24,264 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:24,264 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1771180242] [2022-01-28 20:18:24,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:24,264 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:24,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:24,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:24,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:24,303 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1771180242] [2022-01-28 20:18:24,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1771180242] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:24,303 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:24,303 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:24,303 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425979872] [2022-01-28 20:18:24,304 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:24,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:24,304 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:24,304 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:24,304 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:24,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,304 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:24,305 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,305 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,540 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,541 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-28 20:18:24,541 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:24,542 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:24,542 INFO L85 PathProgramCache]: Analyzing trace with hash -150162999, now seen corresponding path program 1 times [2022-01-28 20:18:24,542 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:24,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657543877] [2022-01-28 20:18:24,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:24,542 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:24,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:24,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:24,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657543877] [2022-01-28 20:18:24,561 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657543877] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:24,562 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:24,562 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:24,562 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917530076] [2022-01-28 20:18:24,562 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:24,562 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:24,562 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:24,563 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:24,564 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:24,564 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,564 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:24,564 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,564 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,565 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,717 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,718 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-28 20:18:24,718 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:24,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:24,718 INFO L85 PathProgramCache]: Analyzing trace with hash 2129474053, now seen corresponding path program 1 times [2022-01-28 20:18:24,719 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:24,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [731772236] [2022-01-28 20:18:24,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:24,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:24,743 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:24,743 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:24,743 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [731772236] [2022-01-28 20:18:24,743 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [731772236] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:24,743 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:24,743 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:24,743 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2046545228] [2022-01-28 20:18:24,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:24,744 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:24,744 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:24,745 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:24,745 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:24,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,745 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:24,746 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,746 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:24,968 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-28 20:18:24,969 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:24,969 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:24,969 INFO L85 PathProgramCache]: Analyzing trace with hash 1963077855, now seen corresponding path program 1 times [2022-01-28 20:18:24,969 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:24,969 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [373540671] [2022-01-28 20:18:24,969 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:24,970 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:24,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:24,996 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:24,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:24,997 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [373540671] [2022-01-28 20:18:24,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [373540671] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:24,997 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:24,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:24,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163262325] [2022-01-28 20:18:24,997 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:24,998 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:24,998 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:24,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:24,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:24,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:24,999 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:24,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,000 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,250 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-28 20:18:25,250 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:25,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:25,251 INFO L85 PathProgramCache]: Analyzing trace with hash -2057166617, now seen corresponding path program 1 times [2022-01-28 20:18:25,251 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:25,251 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1335189712] [2022-01-28 20:18:25,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:25,251 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:25,273 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:25,273 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:25,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1335189712] [2022-01-28 20:18:25,274 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1335189712] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:25,274 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:25,274 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:25,274 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203565230] [2022-01-28 20:18:25,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:25,275 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:25,275 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:25,275 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:25,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:25,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,275 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:25,276 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,277 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,486 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,486 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-01-28 20:18:25,486 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:25,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:25,487 INFO L85 PathProgramCache]: Analyzing trace with hash 1516560107, now seen corresponding path program 1 times [2022-01-28 20:18:25,487 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:25,487 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1744056576] [2022-01-28 20:18:25,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:25,487 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:25,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:25,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:25,502 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:25,502 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1744056576] [2022-01-28 20:18:25,502 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1744056576] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:25,502 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:25,503 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:25,503 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [193825107] [2022-01-28 20:18:25,503 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:25,503 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:25,503 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:25,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:25,504 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:25,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,504 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:25,504 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,504 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,505 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,722 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-01-28 20:18:25,722 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:25,722 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:25,722 INFO L85 PathProgramCache]: Analyzing trace with hash -1479943351, now seen corresponding path program 1 times [2022-01-28 20:18:25,722 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:25,723 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620197012] [2022-01-28 20:18:25,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:25,723 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:25,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:25,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:25,741 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:25,741 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620197012] [2022-01-28 20:18:25,741 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620197012] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:25,741 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:25,741 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:25,741 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1259702959] [2022-01-28 20:18:25,741 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:25,742 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:25,742 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:25,742 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:25,742 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:25,742 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,742 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:25,743 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,743 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,895 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-01-28 20:18:25,895 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:25,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:25,895 INFO L85 PathProgramCache]: Analyzing trace with hash -1327342869, now seen corresponding path program 1 times [2022-01-28 20:18:25,895 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:25,895 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379679945] [2022-01-28 20:18:25,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:25,896 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:25,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:25,910 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:25,911 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:25,911 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379679945] [2022-01-28 20:18:25,911 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [379679945] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:25,911 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:25,911 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 20:18:25,911 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1159119152] [2022-01-28 20:18:25,911 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:25,912 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 20:18:25,912 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:25,912 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 20:18:25,912 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 20:18:25,912 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:25,912 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:25,912 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.666666666666668) internal successors, (77), 3 states have internal predecessors, (77), 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) [2022-01-28 20:18:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,912 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:25,913 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,112 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,114 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:26,114 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-01-28 20:18:26,114 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 16 more)] === [2022-01-28 20:18:26,114 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 20:18:26,114 INFO L85 PathProgramCache]: Analyzing trace with hash -666109973, now seen corresponding path program 1 times [2022-01-28 20:18:26,114 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 20:18:26,115 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235083328] [2022-01-28 20:18:26,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 20:18:26,115 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 20:18:26,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 20:18:28,324 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 20:18:28,325 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 20:18:28,325 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235083328] [2022-01-28 20:18:28,325 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235083328] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 20:18:28,325 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 20:18:28,325 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [20] imperfect sequences [] total 20 [2022-01-28 20:18:28,325 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558749009] [2022-01-28 20:18:28,325 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 20:18:28,325 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2022-01-28 20:18:28,325 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 20:18:28,326 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2022-01-28 20:18:28,326 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=192, Invalid=228, Unknown=0, NotChecked=0, Total=420 [2022-01-28 20:18:28,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 20:18:28,326 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 20:18:28,327 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 3.85) internal successors, (77), 21 states have internal predecessors, (77), 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) [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 20:18:28,327 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states.