/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf -tc ../../../trunk/examples/toolchains/AutomizerBplInline.xml -i ../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.abstract-por-f0ea240 [2022-02-11 11:35:21,993 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-11 11:35:21,994 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-11 11:35:22,057 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-11 11:35:22,058 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-11 11:35:22,059 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-11 11:35:22,059 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-11 11:35:22,060 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-11 11:35:22,062 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-11 11:35:22,067 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-11 11:35:22,068 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-11 11:35:22,069 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-11 11:35:22,069 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-11 11:35:22,070 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-11 11:35:22,071 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-11 11:35:22,071 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-11 11:35:22,072 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-11 11:35:22,073 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-11 11:35:22,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-11 11:35:22,075 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-11 11:35:22,076 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-11 11:35:22,077 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-11 11:35:22,078 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-11 11:35:22,079 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-11 11:35:22,081 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-02-11 11:35:22,082 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-02-11 11:35:22,082 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-02-11 11:35:22,082 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-02-11 11:35:22,083 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-02-11 11:35:22,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-02-11 11:35:22,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-11 11:35:22,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-11 11:35:22,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-11 11:35:22,085 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-11 11:35:22,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-11 11:35:22,086 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-11 11:35:22,087 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-11 11:35:22,087 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-11 11:35:22,087 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-11 11:35:22,088 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-11 11:35:22,089 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-11 11:35:22,090 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-varabs.epf [2022-02-11 11:35:22,111 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-11 11:35:22,112 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-11 11:35:22,112 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-11 11:35:22,112 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-11 11:35:22,113 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-11 11:35:22,113 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-11 11:35:22,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-11 11:35:22,114 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-11 11:35:22,114 INFO L138 SettingsManager]: * Use SBE=true [2022-02-11 11:35:22,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-11 11:35:22,114 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-11 11:35:22,114 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-11 11:35:22,114 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-11 11:35:22,114 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-11 11:35:22,115 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-11 11:35:22,115 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-11 11:35:22,115 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-11 11:35:22,115 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-11 11:35:22,115 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-11 11:35:22,115 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-11 11:35:22,115 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-11 11:35:22,116 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-11 11:35:22,116 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-11 11:35:22,116 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-11 11:35:22,116 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-11 11:35:22,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:35:22,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-11 11:35:22,117 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-11 11:35:22,117 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-11 11:35:22,117 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-11 11:35:22,117 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-11 11:35:22,117 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-11 11:35:22,117 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-02-11 11:35:22,117 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-11 11:35:22,118 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-11 11:35:22,118 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-02-11 11:35:22,118 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-02-11 11:35:22,118 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-11 11:35:22,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-11 11:35:22,326 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-11 11:35:22,327 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-11 11:35:22,328 INFO L271 PluginConnector]: Initializing Boogie PL CUP Parser... [2022-02-11 11:35:22,328 INFO L275 PluginConnector]: Boogie PL CUP Parser initialized [2022-02-11 11:35:22,329 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl [2022-02-11 11:35:22,330 INFO L110 BoogieParser]: Parsing: '/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/bpl/mcr/example_15.bpl' [2022-02-11 11:35:22,348 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-11 11:35:22,349 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2022-02-11 11:35:22,350 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-11 11:35:22,350 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-11 11:35:22,350 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-11 11:35:22,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,362 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,369 INFO L137 Inliner]: procedures = 16, calls = 15, calls flagged for inlining = 0, calls inlined = 0, statements flattened = 0 [2022-02-11 11:35:22,370 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-11 11:35:22,383 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-11 11:35:22,383 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-11 11:35:22,384 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-11 11:35:22,389 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,389 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,393 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,394 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-11 11:35:22,394 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-11 11:35:22,394 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-11 11:35:22,394 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-11 11:35:22,399 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/1) ... [2022-02-11 11:35:22,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-11 11:35:22,413 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:35:22,424 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-02-11 11:35:22,433 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-02-11 11:35:22,461 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_14 given in one single declaration [2022-02-11 11:35:22,461 INFO L130 BoogieDeclarations]: Found specification of procedure set_14 [2022-02-11 11:35:22,461 INFO L138 BoogieDeclarations]: Found implementation of procedure set_14 [2022-02-11 11:35:22,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_1 given in one single declaration [2022-02-11 11:35:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure set_1 [2022-02-11 11:35:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_1 [2022-02-11 11:35:22,462 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_2 given in one single declaration [2022-02-11 11:35:22,462 INFO L130 BoogieDeclarations]: Found specification of procedure set_2 [2022-02-11 11:35:22,462 INFO L138 BoogieDeclarations]: Found implementation of procedure set_2 [2022-02-11 11:35:22,463 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_3 given in one single declaration [2022-02-11 11:35:22,463 INFO L130 BoogieDeclarations]: Found specification of procedure set_3 [2022-02-11 11:35:22,463 INFO L138 BoogieDeclarations]: Found implementation of procedure set_3 [2022-02-11 11:35:22,464 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_4 given in one single declaration [2022-02-11 11:35:22,464 INFO L130 BoogieDeclarations]: Found specification of procedure set_4 [2022-02-11 11:35:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure set_4 [2022-02-11 11:35:22,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_0 given in one single declaration [2022-02-11 11:35:22,466 INFO L130 BoogieDeclarations]: Found specification of procedure set_0 [2022-02-11 11:35:22,466 INFO L138 BoogieDeclarations]: Found implementation of procedure set_0 [2022-02-11 11:35:22,466 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_9 given in one single declaration [2022-02-11 11:35:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_9 [2022-02-11 11:35:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_9 [2022-02-11 11:35:22,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure ULTIMATE.start given in one single declaration [2022-02-11 11:35:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-11 11:35:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-11 11:35:22,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_12 given in one single declaration [2022-02-11 11:35:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_12 [2022-02-11 11:35:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_12 [2022-02-11 11:35:22,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_5 given in one single declaration [2022-02-11 11:35:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_5 [2022-02-11 11:35:22,467 INFO L138 BoogieDeclarations]: Found implementation of procedure set_5 [2022-02-11 11:35:22,467 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_13 given in one single declaration [2022-02-11 11:35:22,467 INFO L130 BoogieDeclarations]: Found specification of procedure set_13 [2022-02-11 11:35:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure set_13 [2022-02-11 11:35:22,468 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_6 given in one single declaration [2022-02-11 11:35:22,468 INFO L130 BoogieDeclarations]: Found specification of procedure set_6 [2022-02-11 11:35:22,468 INFO L138 BoogieDeclarations]: Found implementation of procedure set_6 [2022-02-11 11:35:22,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_10 given in one single declaration [2022-02-11 11:35:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure set_10 [2022-02-11 11:35:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure set_10 [2022-02-11 11:35:22,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_7 given in one single declaration [2022-02-11 11:35:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure set_7 [2022-02-11 11:35:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure set_7 [2022-02-11 11:35:22,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_11 given in one single declaration [2022-02-11 11:35:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure set_11 [2022-02-11 11:35:22,469 INFO L138 BoogieDeclarations]: Found implementation of procedure set_11 [2022-02-11 11:35:22,469 INFO L124 BoogieDeclarations]: Specification and implementation of procedure set_8 given in one single declaration [2022-02-11 11:35:22,469 INFO L130 BoogieDeclarations]: Found specification of procedure set_8 [2022-02-11 11:35:22,470 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8 [2022-02-11 11:35:22,470 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-11 11:35:22,511 INFO L234 CfgBuilder]: Building ICFG [2022-02-11 11:35:22,513 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-11 11:35:22,650 INFO L275 CfgBuilder]: Performing block encoding [2022-02-11 11:35:22,656 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-11 11:35:22,656 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-11 11:35:22,657 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:35:22 BoogieIcfgContainer [2022-02-11 11:35:22,657 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-11 11:35:22,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-11 11:35:22,659 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-11 11:35:22,663 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-11 11:35:22,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.boogie.parser AST 11.02 11:35:22" (1/2) ... [2022-02-11 11:35:22,664 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7f9ca0e8 and model type example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.02 11:35:22, skipping insertion in model container [2022-02-11 11:35:22,664 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.02 11:35:22" (2/2) ... [2022-02-11 11:35:22,665 INFO L112 eAbstractionObserver]: Analyzing ICFG example_15.bpl [2022-02-11 11:35:22,668 WARN L154 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-11 11:35:22,668 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-11 11:35:22,668 INFO L168 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-02-11 11:35:22,668 INFO L538 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-11 11:35:22,786 INFO L148 ThreadInstanceAdder]: Constructed 225 joinOtherThreadTransitions. [2022-02-11 11:35:22,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-11 11:35:22,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-11 11:35:22,820 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-02-11 11:35:22,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-02-11 11:35:22,845 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-02-11 11:35:22,856 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 [2022-02-11 11:35:22,856 INFO L340 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2022-02-11 11:35:24,507 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:24,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:24,511 INFO L85 PathProgramCache]: Analyzing trace with hash 1912960261, now seen corresponding path program 1 times [2022-02-11 11:35:24,519 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:24,519 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817687512] [2022-02-11 11:35:24,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:24,519 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:24,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:24,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:24,698 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:24,699 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817687512] [2022-02-11 11:35:24,700 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817687512] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:24,700 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:24,700 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:24,701 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [251108079] [2022-02-11 11:35:24,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:24,709 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:24,709 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:24,724 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:24,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:24,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:24,739 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:24,740 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) [2022-02-11 11:35:24,740 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:25,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:25,949 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable0 [2022-02-11 11:35:25,950 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:25,950 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:25,950 INFO L85 PathProgramCache]: Analyzing trace with hash 13913469, now seen corresponding path program 1 times [2022-02-11 11:35:25,950 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:25,951 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1334211742] [2022-02-11 11:35:25,951 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:25,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:25,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:26,025 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:26,025 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1334211742] [2022-02-11 11:35:26,025 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1334211742] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:26,025 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:26,025 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:26,026 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1584651272] [2022-02-11 11:35:26,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:26,027 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:26,028 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:26,028 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:26,028 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:26,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:26,030 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:26,030 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) [2022-02-11 11:35:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:26,030 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:27,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:27,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:27,096 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,ResultService [2022-02-11 11:35:27,096 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:27,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:27,096 INFO L85 PathProgramCache]: Analyzing trace with hash -304361407, now seen corresponding path program 1 times [2022-02-11 11:35:27,096 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:27,097 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986141564] [2022-02-11 11:35:27,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:27,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:27,125 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:27,125 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:27,125 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986141564] [2022-02-11 11:35:27,125 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986141564] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:27,125 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:27,125 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:27,125 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486524555] [2022-02-11 11:35:27,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:27,126 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:27,126 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:27,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:27,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:27,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:27,128 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:27,128 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) [2022-02-11 11:35:27,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:27,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:27,128 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:28,170 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:28,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:28,171 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,ResultService [2022-02-11 11:35:28,171 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:28,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:28,172 INFO L85 PathProgramCache]: Analyzing trace with hash 1972519903, now seen corresponding path program 1 times [2022-02-11 11:35:28,172 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:28,172 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913766621] [2022-02-11 11:35:28,172 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:28,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:28,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:28,215 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:28,216 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:28,216 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1913766621] [2022-02-11 11:35:28,216 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1913766621] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:28,216 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:28,216 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:28,216 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1343098354] [2022-02-11 11:35:28,216 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:28,217 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:28,217 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:28,217 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:28,217 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:28,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:28,219 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:28,219 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) [2022-02-11 11:35:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:28,219 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,ResultService [2022-02-11 11:35:29,283 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:29,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:29,283 INFO L85 PathProgramCache]: Analyzing trace with hash 1099469189, now seen corresponding path program 1 times [2022-02-11 11:35:29,283 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:29,283 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249231642] [2022-02-11 11:35:29,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:29,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:29,307 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:29,307 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:29,307 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249231642] [2022-02-11 11:35:29,307 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249231642] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:29,307 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:29,307 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:29,307 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546817428] [2022-02-11 11:35:29,307 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:29,308 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:29,308 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:29,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:29,308 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:29,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:29,310 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:29,310 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) [2022-02-11 11:35:29,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:29,310 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,434 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,ResultService [2022-02-11 11:35:30,434 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:30,434 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:30,434 INFO L85 PathProgramCache]: Analyzing trace with hash 420357885, now seen corresponding path program 1 times [2022-02-11 11:35:30,434 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:30,434 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523741881] [2022-02-11 11:35:30,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:30,435 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:30,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:30,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:30,468 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:30,468 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523741881] [2022-02-11 11:35:30,468 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523741881] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:30,468 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:30,468 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:30,468 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [148702480] [2022-02-11 11:35:30,468 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:30,468 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:30,468 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:30,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:30,469 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:30,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:30,470 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:30,470 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) [2022-02-11 11:35:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:30,471 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:31,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,569 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable5 [2022-02-11 11:35:31,569 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:31,570 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:31,570 INFO L85 PathProgramCache]: Analyzing trace with hash -252497309, now seen corresponding path program 1 times [2022-02-11 11:35:31,570 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:31,570 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [912381645] [2022-02-11 11:35:31,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:31,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:31,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:31,606 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:31,606 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:31,606 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [912381645] [2022-02-11 11:35:31,606 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [912381645] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:31,606 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:31,606 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:31,606 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [893150357] [2022-02-11 11:35:31,606 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:31,606 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:31,607 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:31,607 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:31,607 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:31,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:31,608 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:31,608 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) [2022-02-11 11:35:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:31,609 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,728 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,ResultService [2022-02-11 11:35:32,728 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:32,728 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:32,729 INFO L85 PathProgramCache]: Analyzing trace with hash 615392231, now seen corresponding path program 1 times [2022-02-11 11:35:32,729 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:32,729 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918959620] [2022-02-11 11:35:32,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:32,729 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:32,746 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:32,747 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:32,747 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918959620] [2022-02-11 11:35:32,747 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918959620] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:32,747 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:32,747 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:32,747 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [581084681] [2022-02-11 11:35:32,747 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:32,747 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:32,747 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:32,749 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:32,749 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:32,749 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:32,750 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:32,751 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) [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:32,751 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,863 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,ResultService [2022-02-11 11:35:33,863 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:33,863 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:33,863 INFO L85 PathProgramCache]: Analyzing trace with hash -1289535389, now seen corresponding path program 1 times [2022-02-11 11:35:33,864 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:33,864 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [162458795] [2022-02-11 11:35:33,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:33,864 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:33,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:33,893 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:33,893 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:33,893 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [162458795] [2022-02-11 11:35:33,893 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [162458795] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:33,894 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:33,894 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:33,894 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129629378] [2022-02-11 11:35:33,894 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:33,894 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:33,894 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:33,894 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:33,894 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:33,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:33,896 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:33,896 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) [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:33,896 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:34,927 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,928 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,ResultService [2022-02-11 11:35:34,929 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:34,929 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:34,929 INFO L85 PathProgramCache]: Analyzing trace with hash -1501691007, now seen corresponding path program 1 times [2022-02-11 11:35:34,929 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:34,929 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1889068789] [2022-02-11 11:35:34,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:34,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:34,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:34,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:34,952 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:34,952 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1889068789] [2022-02-11 11:35:34,952 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1889068789] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:34,952 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:34,952 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-11 11:35:34,952 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [387177237] [2022-02-11 11:35:34,952 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:34,956 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-11 11:35:34,960 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:34,960 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-11 11:35:34,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-11 11:35:34,961 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:34,962 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:34,962 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) [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:34,962 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:36,204 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable9 [2022-02-11 11:35:36,204 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONASSERT === [ULTIMATE.startErr0ASSERT_VIOLATIONASSERT, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr2INUSE_VIOLATION (and 12 more)] === [2022-02-11 11:35:36,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-11 11:35:36,205 INFO L85 PathProgramCache]: Analyzing trace with hash 1181756357, now seen corresponding path program 1 times [2022-02-11 11:35:36,205 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-11 11:35:36,205 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [874704465] [2022-02-11 11:35:36,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-11 11:35:36,205 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-11 11:35:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-11 11:35:37,457 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-11 11:35:37,458 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-11 11:35:37,458 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [874704465] [2022-02-11 11:35:37,458 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [874704465] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-11 11:35:37,458 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-11 11:35:37,458 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [16] imperfect sequences [] total 16 [2022-02-11 11:35:37,458 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [540346353] [2022-02-11 11:35:37,458 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-11 11:35:37,458 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2022-02-11 11:35:37,458 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-11 11:35:37,459 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2022-02-11 11:35:37,459 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=122, Invalid=150, Unknown=0, NotChecked=0, Total=272 [2022-02-11 11:35:37,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-11 11:35:37,460 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-11 11:35:37,460 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) [2022-02-11 11:35:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,460 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-11 11:35:37,461 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. Received shutdown request... [2022-02-11 11:49:23,927 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: ResultService,SelfDestructingSolverStorable10 [2022-02-11 11:49:23,927 WARN L594 AbstractCegarLoop]: Verification canceled: while executing DepthFirstTraversal. [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0ASSERT_VIOLATIONASSERT (15 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr0INUSE_VIOLATION (14 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr1INUSE_VIOLATION (13 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr2INUSE_VIOLATION (12 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr3INUSE_VIOLATION (11 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr4INUSE_VIOLATION (10 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr5INUSE_VIOLATION (9 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr6INUSE_VIOLATION (8 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr7INUSE_VIOLATION (7 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr8INUSE_VIOLATION (6 of 16 remaining) [2022-02-11 11:49:23,929 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr9INUSE_VIOLATION (5 of 16 remaining) [2022-02-11 11:49:23,930 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr10INUSE_VIOLATION (4 of 16 remaining) [2022-02-11 11:49:23,930 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr11INUSE_VIOLATION (3 of 16 remaining) [2022-02-11 11:49:23,930 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr12INUSE_VIOLATION (2 of 16 remaining) [2022-02-11 11:49:23,930 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr13INUSE_VIOLATION (1 of 16 remaining) [2022-02-11 11:49:23,930 INFO L764 garLoopResultBuilder]: Registering result TIMEOUT for location ULTIMATE.startErr14INUSE_VIOLATION (0 of 16 remaining) [2022-02-11 11:49:23,936 INFO L733 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-02-11 11:49:23,939 INFO L234 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-11 11:49:23,939 INFO L184 ceAbstractionStarter]: Computing trace abstraction results [2022-02-11 11:49:23,942 INFO L202 PluginConnector]: Adding new model example_15.bpl de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.02 11:49:23 BasicIcfg [2022-02-11 11:49:23,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-11 11:49:23,943 INFO L158 Benchmark]: Toolchain (without parser) took 841593.47ms. Allocated memory was 167.8MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 134.8MB in the beginning and 354.2MB in the end (delta: -219.4MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-02-11 11:49:23,943 INFO L158 Benchmark]: Boogie PL CUP Parser took 0.11ms. Allocated memory is still 167.8MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 11:49:23,943 INFO L158 Benchmark]: Boogie Procedure Inliner took 20.73ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 133.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-11 11:49:23,943 INFO L158 Benchmark]: Boogie Preprocessor took 10.40ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 132.3MB in the end (delta: 838.9kB). There was no memory consumed. Max. memory is 8.0GB. [2022-02-11 11:49:23,943 INFO L158 Benchmark]: RCFGBuilder took 263.31ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 121.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-02-11 11:49:23,944 INFO L158 Benchmark]: TraceAbstraction took 841283.57ms. Allocated memory was 167.8MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 120.7MB in the beginning and 354.2MB in the end (delta: -233.5MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. [2022-02-11 11:49:23,944 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 0.11ms. Allocated memory is still 167.8MB. Free memory is still 135.9MB. There was no memory consumed. Max. memory is 8.0GB. * Boogie Procedure Inliner took 20.73ms. Allocated memory is still 167.8MB. Free memory was 134.8MB in the beginning and 133.1MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 10.40ms. Allocated memory is still 167.8MB. Free memory was 133.1MB in the beginning and 132.3MB in the end (delta: 838.9kB). There was no memory consumed. Max. memory is 8.0GB. * RCFGBuilder took 263.31ms. Allocated memory is still 167.8MB. Free memory was 132.1MB in the beginning and 121.2MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 841283.57ms. Allocated memory was 167.8MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 120.7MB in the beginning and 354.2MB in the end (delta: -233.5MB). Peak memory consumption was 2.4GB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 60686077, positive: 52438476, positive conditional: 52359723, positive unconditional: 78753, negative: 8247601, negative conditional: 8247576, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 52416821, positive unconditional: 938220, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 52416821, positive unconditional: 938220, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 52412438, positive unconditional: 942603, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 5248, positive unconditional: 53349793, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 5248, positive unconditional: 53349793, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 171430, positive: 171405, positive conditional: 0, positive unconditional: 171405, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 171430, positive: 171165, positive conditional: 0, positive unconditional: 171165, negative: 265, negative conditional: 0, negative unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 265, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 264, positive conditional: 0, positive unconditional: 264, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53355121, positive: 53183636, positive conditional: 5248, positive unconditional: 53178388, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 171430, unknown conditional: 0, unknown unconditional: 171430] , Statistics on independence cache: Total cache size (in pairs): 171430, Positive cache size: 171405, Positive conditional cache size: 0, Positive unconditional cache size: 171405, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Eliminated conditions: 52407190, Maximal queried relation: 0, Independence queries for same thread: 8247576 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 2.8s, Number of persistent set computation: 14149, Number of trivial persistent sets: 14149, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 78778, positive: 78753, positive conditional: 0, positive unconditional: 78753, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 60686077, positive: 52438476, positive conditional: 52359723, positive unconditional: 78753, negative: 8247601, negative conditional: 8247576, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 52416821, positive unconditional: 938220, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 52416821, positive unconditional: 938220, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 52412438, positive unconditional: 942603, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 5248, positive unconditional: 53349793, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 53355121, positive: 53355041, positive conditional: 5248, positive unconditional: 53349793, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 171430, positive: 171405, positive conditional: 0, positive unconditional: 171405, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 171430, positive: 171165, positive conditional: 0, positive unconditional: 171165, negative: 265, negative conditional: 0, negative unconditional: 265, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 265, positive: 240, positive conditional: 0, positive unconditional: 240, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 290, positive: 264, positive conditional: 0, positive unconditional: 264, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 53355121, positive: 53183636, positive conditional: 5248, positive unconditional: 53178388, negative: 55, negative conditional: 0, negative unconditional: 55, unknown: 171430, unknown conditional: 0, unknown unconditional: 171430] , Statistics on independence cache: Total cache size (in pairs): 171430, Positive cache size: 171405, Positive conditional cache size: 0, Positive unconditional cache size: 171405, Negative cache size: 25, Negative conditional cache size: 0, Negative unconditional cache size: 25, Eliminated conditions: 52407190, Maximal queried relation: 0, Independence queries for same thread: 8247576 - 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 for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 31 procedures, 139 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 841.1s, OverallIterations: 11, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 839.2s, 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, 1.6s 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 [2022-02-11 11:49:23,954 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 RESULT: Ultimate could not prove your program: Timeout Completed graceful shutdown