/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-29 12:58:10,620 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-29 12:58:10,621 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-29 12:58:10,665 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-29 12:58:10,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-29 12:58:10,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-29 12:58:10,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-29 12:58:10,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-29 12:58:10,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-29 12:58:10,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-29 12:58:10,670 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-29 12:58:10,671 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-29 12:58:10,671 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-29 12:58:10,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-29 12:58:10,672 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-29 12:58:10,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-29 12:58:10,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-29 12:58:10,674 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-29 12:58:10,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-29 12:58:10,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-29 12:58:10,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-29 12:58:10,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-29 12:58:10,683 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-29 12:58:10,684 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-29 12:58:10,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-29 12:58:10,688 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-29 12:58:10,688 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-29 12:58:10,689 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-29 12:58:10,689 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-29 12:58:10,690 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-29 12:58:10,690 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-29 12:58:10,691 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-29 12:58:10,691 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-29 12:58:10,691 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-29 12:58:10,692 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-29 12:58:10,692 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-29 12:58:10,693 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-MCRwithoutDepranks.epf [2022-01-29 12:58:10,710 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-29 12:58:10,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-29 12:58:10,710 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-29 12:58:10,710 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-29 12:58:10,711 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-29 12:58:10,711 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-29 12:58:10,712 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-29 12:58:10,712 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-29 12:58:10,712 INFO L138 SettingsManager]: * Use SBE=true [2022-01-29 12:58:10,712 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-29 12:58:10,712 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-29 12:58:10,712 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-29 12:58:10,712 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-29 12:58:10,712 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-29 12:58:10,713 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-29 12:58:10,713 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-29 12:58:10,713 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-29 12:58:10,713 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-29 12:58:10,713 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-29 12:58:10,713 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-29 12:58:10,713 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-29 12:58:10,714 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-29 12:58:10,714 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-29 12:58:10,714 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-29 12:58:10,714 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-29 12:58:10,714 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 12:58:10,714 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-29 12:58:10,714 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-29 12:58:10,714 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-29 12:58:10,715 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-29 12:58:10,715 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-29 12:58:10,715 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-29 12:58:10,715 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-29 12:58:10,715 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-29 12:58:10,715 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-01-29 12:58:10,715 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-29 12:58:10,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-29 12:58:10,889 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-29 12:58:10,891 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-29 12:58:10,891 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-01-29 12:58:10,892 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-01-29 12:58:10,893 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl [2022-01-29 12:58:10,894 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl' [2022-01-29 12:58:10,912 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-29 12:58:10,913 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-01-29 12:58:10,914 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-29 12:58:10,914 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-29 12:58:10,914 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-29 12:58:10,925 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,932 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,938 INFO L137 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-01-29 12:58:10,939 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-29 12:58:10,940 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-29 12:58:10,941 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-29 12:58:10,941 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-29 12:58:10,946 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,947 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,947 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,947 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,951 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,952 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-29 12:58:10,953 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-29 12:58:10,953 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-29 12:58:10,953 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-29 12:58:10,963 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/1) ... [2022-01-29 12:58:10,985 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-29 12:58:10,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 12:58:11,014 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) [2022-01-29 12:58:11,034 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 [2022-01-29 12:58:11,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2022-01-29 12:58:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2022-01-29 12:58:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2022-01-29 12:58:11,050 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-01-29 12:58:11,050 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-01-29 12:58:11,050 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-01-29 12:58:11,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-01-29 12:58:11,051 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-01-29 12:58:11,051 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-01-29 12:58:11,051 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-01-29 12:58:11,052 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-01-29 12:58:11,052 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-01-29 12:58:11,052 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-01-29 12:58:11,053 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-01-29 12:58:11,053 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-01-29 12:58:11,053 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-01-29 12:58:11,055 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-01-29 12:58:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-01-29 12:58:11,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-01-29 12:58:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-01-29 12:58:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-01-29 12:58:11,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-01-29 12:58:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-29 12:58:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-29 12:58:11,056 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-01-29 12:58:11,056 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-01-29 12:58:11,056 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-01-29 12:58:11,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-01-29 12:58:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-01-29 12:58:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-01-29 12:58:11,057 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-01-29 12:58:11,057 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-01-29 12:58:11,057 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-01-29 12:58:11,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-01-29 12:58:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-01-29 12:58:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-01-29 12:58:11,058 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-01-29 12:58:11,058 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-01-29 12:58:11,058 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-01-29 12:58:11,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-01-29 12:58:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-01-29 12:58:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-01-29 12:58:11,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-01-29 12:58:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-01-29 12:58:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-01-29 12:58:11,059 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-01-29 12:58:11,059 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-01-29 12:58:11,059 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-01-29 12:58:11,062 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-29 12:58:11,109 INFO L234 CfgBuilder]: Building ICFG [2022-01-29 12:58:11,111 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-29 12:58:11,216 INFO L275 CfgBuilder]: Performing block encoding [2022-01-29 12:58:11,222 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-29 12:58:11,223 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-01-29 12:58:11,224 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:58:11 BoogieIcfgContainer [2022-01-29 12:58:11,224 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-29 12:58:11,226 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-29 12:58:11,226 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-29 12:58:11,228 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-29 12:58:11,228 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 29.01 12:58:10" (1/2) ... [2022-01-29 12:58:11,229 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1088cd1e and model type example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.01 12:58:11, skipping insertion in model container [2022-01-29 12:58:11,229 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.01 12:58:11" (2/2) ... [2022-01-29 12:58:11,230 INFO L111 eAbstractionObserver]: Analyzing ICFG example_15.bpl [2022-01-29 12:58:11,233 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-29 12:58:11,233 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-29 12:58:11,233 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-01-29 12:58:11,233 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-29 12:58:11,355 INFO L148 ThreadInstanceAdder]: Constructed 225 joinOtherThreadTransitions. [2022-01-29 12:58:11,391 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-29 12:58:11,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-29 12:58:11,393 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) [2022-01-29 12:58:11,394 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 [2022-01-29 12:58:11,415 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-01-29 12:58:11,420 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 [2022-01-29 12:58:11,420 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-01-29 12:58:26,829 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:58:26,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:58:26,839 INFO L85 PathProgramCache]: Analyzing trace with hash 1912960261, now seen corresponding path program 1 times [2022-01-29 12:58:26,846 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:58:26,846 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117915716] [2022-01-29 12:58:26,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:58:26,847 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:58:26,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:58:27,009 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:58:27,010 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:58:27,010 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117915716] [2022-01-29 12:58:27,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117915716] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:58:27,012 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:58:27,012 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:58:27,013 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1351331129] [2022-01-29 12:58:27,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:58:27,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:58:27,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:58:27,039 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:58:27,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:58:27,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:58:27,045 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:58:27,048 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:58:27,048 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:58:40,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:58:40,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-29 12:58:40,551 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:58:40,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:58:40,551 INFO L85 PathProgramCache]: Analyzing trace with hash 13913469, now seen corresponding path program 1 times [2022-01-29 12:58:40,552 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:58:40,552 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [403325260] [2022-01-29 12:58:40,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:58:40,552 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:58:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:58:40,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:58:40,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:58:40,684 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [403325260] [2022-01-29 12:58:40,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [403325260] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:58:40,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:58:40,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:58:40,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [966084492] [2022-01-29 12:58:40,685 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:58:40,686 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:58:40,686 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:58:40,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:58:40,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:58:40,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:58:40,687 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:58:40,687 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:58:40,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:58:40,687 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:58:53,986 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:58:53,987 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:58:53,987 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-29 12:58:53,987 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:58:53,988 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:58:53,988 INFO L85 PathProgramCache]: Analyzing trace with hash -304361407, now seen corresponding path program 1 times [2022-01-29 12:58:53,988 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:58:53,988 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262733360] [2022-01-29 12:58:53,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:58:53,989 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:58:54,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:58:54,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:58:54,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:58:54,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262733360] [2022-01-29 12:58:54,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262733360] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:58:54,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:58:54,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:58:54,035 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411139969] [2022-01-29 12:58:54,035 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:58:54,036 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:58:54,036 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:58:54,036 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:58:54,036 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:58:54,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:58:54,036 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:58:54,037 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:58:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:58:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:58:54,037 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:06,669 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:06,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:06,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:06,670 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-29 12:59:06,671 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:59:06,671 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:59:06,671 INFO L85 PathProgramCache]: Analyzing trace with hash 1972519903, now seen corresponding path program 1 times [2022-01-29 12:59:06,671 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:59:06,671 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [480782891] [2022-01-29 12:59:06,672 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:59:06,672 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:59:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:59:06,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:59:06,702 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:59:06,702 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [480782891] [2022-01-29 12:59:06,702 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [480782891] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:59:06,702 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:59:06,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:59:06,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373919353] [2022-01-29 12:59:06,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:59:06,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:59:06,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:59:06,703 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:59:06,703 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:59:06,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:06,704 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:59:06,704 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:59:06,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:06,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:06,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:06,704 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,232 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,233 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-29 12:59:19,233 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:59:19,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:59:19,234 INFO L85 PathProgramCache]: Analyzing trace with hash 1099469189, now seen corresponding path program 1 times [2022-01-29 12:59:19,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:59:19,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761581217] [2022-01-29 12:59:19,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:59:19,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:59:19,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:59:19,271 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:59:19,271 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:59:19,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761581217] [2022-01-29 12:59:19,271 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [761581217] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:59:19,271 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:59:19,272 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:59:19,272 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726695437] [2022-01-29 12:59:19,272 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:59:19,272 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:59:19,272 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:59:19,273 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:59:19,273 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:59:19,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:19,273 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:59:19,273 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:59:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:19,273 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,961 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-29 12:59:31,961 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:59:31,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:59:31,962 INFO L85 PathProgramCache]: Analyzing trace with hash 420357885, now seen corresponding path program 1 times [2022-01-29 12:59:31,962 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:59:31,962 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [324120469] [2022-01-29 12:59:31,962 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:59:31,962 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:59:31,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:59:31,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:59:31,989 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:59:31,989 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [324120469] [2022-01-29 12:59:31,989 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [324120469] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:59:31,989 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:59:31,989 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:59:31,989 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [520024355] [2022-01-29 12:59:31,989 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:59:31,990 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:59:31,990 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:59:31,990 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:59:31,990 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:59:31,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:31,991 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:59:31,991 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:59:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:31,991 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,396 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-01-29 12:59:44,396 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:59:44,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:59:44,397 INFO L85 PathProgramCache]: Analyzing trace with hash -252497309, now seen corresponding path program 1 times [2022-01-29 12:59:44,397 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:59:44,397 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695701470] [2022-01-29 12:59:44,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:59:44,398 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:59:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:59:44,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:59:44,422 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:59:44,422 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695701470] [2022-01-29 12:59:44,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1695701470] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:59:44,423 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:59:44,423 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:59:44,423 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1003378210] [2022-01-29 12:59:44,423 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:59:44,423 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:59:44,423 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:59:44,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:59:44,424 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:59:44,424 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:44,424 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:59:44,424 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:59:44,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,424 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:44,425 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,608 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-01-29 12:59:57,608 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 12:59:57,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 12:59:57,613 INFO L85 PathProgramCache]: Analyzing trace with hash 615392231, now seen corresponding path program 1 times [2022-01-29 12:59:57,614 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 12:59:57,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1666891206] [2022-01-29 12:59:57,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 12:59:57,614 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 12:59:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 12:59:57,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 12:59:57,657 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 12:59:57,657 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1666891206] [2022-01-29 12:59:57,657 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1666891206] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 12:59:57,657 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 12:59:57,657 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 12:59:57,657 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971177731] [2022-01-29 12:59:57,658 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 12:59:57,658 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 12:59:57,658 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 12:59:57,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 12:59:57,659 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 12:59:57,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 12:59:57,659 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 12:59:57,659 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 12:59:57,659 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 13:00:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,787 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,787 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-01-29 13:00:10,788 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 13:00:10,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 13:00:10,788 INFO L85 PathProgramCache]: Analyzing trace with hash -1289535389, now seen corresponding path program 1 times [2022-01-29 13:00:10,788 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 13:00:10,788 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864789115] [2022-01-29 13:00:10,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 13:00:10,789 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 13:00:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 13:00:10,811 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 13:00:10,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 13:00:10,811 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864789115] [2022-01-29 13:00:10,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [864789115] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 13:00:10,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 13:00:10,812 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 13:00:10,812 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712354623] [2022-01-29 13:00:10,812 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 13:00:10,812 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 13:00:10,813 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 13:00:10,813 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 13:00:10,813 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 13:00:10,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 13:00:10,813 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 13:00:10,813 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:10,814 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 13:00:24,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,628 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-01-29 13:00:24,628 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 13:00:24,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 13:00:24,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1501691007, now seen corresponding path program 1 times [2022-01-29 13:00:24,631 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 13:00:24,632 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895891504] [2022-01-29 13:00:24,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 13:00:24,637 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 13:00:24,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 13:00:24,675 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 13:00:24,676 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 13:00:24,676 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895891504] [2022-01-29 13:00:24,676 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895891504] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 13:00:24,676 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 13:00:24,676 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-29 13:00:24,676 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [92125090] [2022-01-29 13:00:24,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 13:00:24,677 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-29 13:00:24,677 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 13:00:24,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-29 13:00:24,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-29 13:00:24,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 13:00:24,678 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 13:00:24,678 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 3 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:24,678 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-29 13:00:37,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,343 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:37,352 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-01-29 13:00:37,352 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-01-29 13:00:37,352 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-29 13:00:37,353 INFO L85 PathProgramCache]: Analyzing trace with hash 1181756357, now seen corresponding path program 1 times [2022-01-29 13:00:37,353 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-29 13:00:37,353 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [792331910] [2022-01-29 13:00:37,353 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-29 13:00:37,353 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-29 13:00:37,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-29 13:00:38,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-29 13:00:38,555 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-29 13:00:38,555 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [792331910] [2022-01-29 13:00:38,555 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [792331910] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-29 13:00:38,555 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-29 13:00:38,555 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-01-29 13:00:38,556 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2076650532] [2022-01-29 13:00:38,556 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-29 13:00:38,556 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-01-29 13:00:38,556 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-29 13:00:38,557 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-01-29 13:00:38,557 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2022-01-29 13:00:38,557 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-29 13:00:38,557 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-29 13:00:38,557 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 17 states have internal predecessors, (61), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-29 13:00:38,558 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-01-29 13:12:13,082 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-01-29 13:12:13,082 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-01-29 13:12:13,085 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (15 of 16 remaining) [2022-01-29 13:12:13,085 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 16 remaining) [2022-01-29 13:12:13,085 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (13 of 16 remaining) [2022-01-29 13:12:13,085 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (12 of 16 remaining) [2022-01-29 13:12:13,086 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (11 of 16 remaining) [2022-01-29 13:12:13,086 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION (10 of 16 remaining) [2022-01-29 13:12:13,087 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 13:12:13,087 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION (9 of 16 remaining) [2022-01-29 13:12:13,087 WARN L340 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Timeout while monitored process is still running, waiting 1000 ms for graceful end [2022-01-29 13:12:13,089 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATION (8 of 16 remaining) [2022-01-29 13:12:13,089 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7INUSE_VIOLATION (7 of 16 remaining) [2022-01-29 13:12:13,089 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATION (6 of 16 remaining) [2022-01-29 13:12:13,089 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9INUSE_VIOLATION (5 of 16 remaining) [2022-01-29 13:12:13,092 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10INUSE_VIOLATION (4 of 16 remaining) [2022-01-29 13:12:13,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11INUSE_VIOLATION (3 of 16 remaining) [2022-01-29 13:12:13,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12INUSE_VIOLATION (2 of 16 remaining) [2022-01-29 13:12:13,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13INUSE_VIOLATION (1 of 16 remaining) [2022-01-29 13:12:13,093 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14INUSE_VIOLATION (0 of 16 remaining) [2022-01-29 13:12:13,099 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-01-29 13:12:13,101 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-29 13:12:13,101 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-29 13:12:13,103 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.01 01:12:13 BasicIcfg [2022-01-29 13:12:13,103 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-29 13:12:13,104 INFO L158 Benchmark]: Toolchain (without parser) took 842190.65ms. Allocated memory was 232.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 193.6MB in the beginning and 1.1GB in the end (delta: -886.1MB). Peak memory consumption was 4.4GB. Max. memory is 8.0GB. [2022-01-29 13:12:13,104 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.13ms. Allocated memory is still 232.8MB. Free memory is still 194.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-29 13:12:13,104 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.28ms. Allocated memory is still 232.8MB. Free memory was 193.5MB in the beginning and 191.9MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. [2022-01-29 13:12:13,104 INFO L158 Benchmark]: Boogie Preprocessor took 11.85ms. Allocated memory is still 232.8MB. Free memory was 191.9MB in the beginning and 190.9MB in the end (delta: 997.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-29 13:12:13,105 INFO L158 Benchmark]: RCFGBuilder took 271.22ms. Allocated memory is still 232.8MB. Free memory was 190.9MB in the beginning and 180.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-01-29 13:12:13,108 INFO L158 Benchmark]: TraceAbstraction took 841877.90ms. Allocated memory was 232.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 179.8MB in the beginning and 1.1GB in the end (delta: -899.9MB). Peak memory consumption was 4.3GB. Max. memory is 8.0GB. [2022-01-29 13:12:13,109 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * Boogie PL CUP Parser took 0.13ms. Allocated memory is still 232.8MB. Free memory is still 194.7MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.28ms. Allocated memory is still 232.8MB. Free memory was 193.5MB in the beginning and 191.9MB in the end (delta: 1.6MB). Peak memory consumption was 3.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 11.85ms. Allocated memory is still 232.8MB. Free memory was 191.9MB in the beginning and 190.9MB in the end (delta: 997.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 271.22ms. Allocated memory is still 232.8MB. Free memory was 190.9MB in the beginning and 180.3MB in the end (delta: 10.6MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 841877.90ms. Allocated memory was 232.8MB in the beginning and 3.5GB in the end (delta: 3.3GB). Free memory was 179.8MB in the beginning and 1.1GB in the end (delta: -899.9MB). Peak memory consumption was 4.3GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - TimeoutResultAtElement [Line: 43]: Timeout (TraceAbstraction) Unable to prove that assertion always holds Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 19]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 16]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 13]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 22]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 23]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 24]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 20]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 10]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 25]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 15]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 26]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 14]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 17]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 18]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - TimeoutResultAtElement [Line: 21]: Timeout (TraceAbstraction) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Cancelled while executing DepthFirstTraversal. - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 31 procedures, 139 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 841.7s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 839.8s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 47, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 671 NumberOfCodeBlocks, 671 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 660 ConstructedInterpolants, 0 QuantifiedInterpolants, 4824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown [2022-01-29 13:12:13,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0