/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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-820ea7a [2022-02-19 07:06:53,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-02-19 07:06:53,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-02-19 07:06:53,668 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-02-19 07:06:53,669 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-02-19 07:06:53,669 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-02-19 07:06:53,670 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-02-19 07:06:53,671 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-02-19 07:06:53,672 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-02-19 07:06:53,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-02-19 07:06:53,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-02-19 07:06:53,674 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-02-19 07:06:53,674 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-02-19 07:06:53,674 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-02-19 07:06:53,675 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-02-19 07:06:53,676 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-02-19 07:06:53,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-02-19 07:06:53,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-02-19 07:06:53,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-02-19 07:06:53,679 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-02-19 07:06:53,679 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-02-19 07:06:53,691 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-02-19 07:06:53,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-02-19 07:06:53,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-02-19 07:06:53,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-02-19 07:06:53,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-02-19 07:06:53,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-02-19 07:06:53,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-02-19 07:06:53,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-02-19 07:06:53,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-02-19 07:06:53,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-02-19 07:06:53,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-02-19 07:06:53,701 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-02-19 07:06:53,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-02-19 07:06:53,704 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-02-19 07:06:53,705 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-02-19 07:06:53,706 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-MCRwithDepranks-Lazy-NoForkJoinOpt-wrwc.epf [2022-02-19 07:06:53,735 INFO L113 SettingsManager]: Loading preferences was successful [2022-02-19 07:06:53,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-02-19 07:06:53,736 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-02-19 07:06:53,736 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-02-19 07:06:53,737 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-02-19 07:06:53,737 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-02-19 07:06:53,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-02-19 07:06:53,737 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-02-19 07:06:53,737 INFO L138 SettingsManager]: * Use SBE=true [2022-02-19 07:06:53,738 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-02-19 07:06:53,738 INFO L138 SettingsManager]: * sizeof long=4 [2022-02-19 07:06:53,738 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-02-19 07:06:53,738 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * sizeof long double=12 [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * Use constant arrays=true [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-02-19 07:06:53,739 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-02-19 07:06:53,739 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:06:53,740 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-02-19 07:06:53,740 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-02-19 07:06:53,741 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-02-19 07:06:53,741 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-02-19 07:06:53,741 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-02-19 07:06:53,741 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITH_DEPRANKS [2022-02-19 07:06:53,741 INFO L138 SettingsManager]: * MCR: Overapproximate write-read-write conflicts=false [2022-02-19 07:06:53,741 INFO L138 SettingsManager]: * MCR: Optimize fork and join=false [2022-02-19 07:06:53,741 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-02-19 07:06:53,906 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-02-19 07:06:53,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-02-19 07:06:53,920 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-02-19 07:06:53,921 INFO L271 PluginConnector]: Initializing CDTParser... [2022-02-19 07:06:53,922 INFO L275 PluginConnector]: CDTParser initialized [2022-02-19 07:06:53,923 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i [2022-02-19 07:06:53,970 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef1fd79/139ab94b6326405289f0697cfe1b8a9b/FLAGbebe758aa [2022-02-19 07:06:54,427 INFO L306 CDTParser]: Found 1 translation units. [2022-02-19 07:06:54,427 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i [2022-02-19 07:06:54,441 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef1fd79/139ab94b6326405289f0697cfe1b8a9b/FLAGbebe758aa [2022-02-19 07:06:54,950 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a8ef1fd79/139ab94b6326405289f0697cfe1b8a9b [2022-02-19 07:06:54,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-02-19 07:06:54,954 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-02-19 07:06:54,954 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-02-19 07:06:54,955 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-02-19 07:06:54,957 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-02-19 07:06:54,958 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:06:54" (1/1) ... [2022-02-19 07:06:54,959 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43ec9ae1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:54, skipping insertion in model container [2022-02-19 07:06:54,959 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.02 07:06:54" (1/1) ... [2022-02-19 07:06:54,964 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-02-19 07:06:54,998 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-02-19 07:06:55,141 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2022-02-19 07:06:55,220 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:06:55,226 INFO L203 MainTranslator]: Completed pre-run [2022-02-19 07:06:55,233 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_47-refine-protected2_true.i[1094,1107] [2022-02-19 07:06:55,248 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-02-19 07:06:55,275 INFO L208 MainTranslator]: Completed translation [2022-02-19 07:06:55,275 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55 WrapperNode [2022-02-19 07:06:55,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-02-19 07:06:55,276 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-02-19 07:06:55,276 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-02-19 07:06:55,276 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-02-19 07:06:55,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,306 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,318 INFO L137 Inliner]: procedures = 162, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 46 [2022-02-19 07:06:55,318 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-02-19 07:06:55,318 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-02-19 07:06:55,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-02-19 07:06:55,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-02-19 07:06:55,324 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,324 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,340 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,342 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,342 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,344 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-02-19 07:06:55,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-02-19 07:06:55,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-02-19 07:06:55,345 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-02-19 07:06:55,350 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (1/1) ... [2022-02-19 07:06:55,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-02-19 07:06:55,361 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:06:55,370 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) [2022-02-19 07:06:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-02-19 07:06:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-02-19 07:06:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-02-19 07:06:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-02-19 07:06:55,393 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-02-19 07:06:55,394 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-02-19 07:06:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-02-19 07:06:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-02-19 07:06:55,394 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-02-19 07:06:55,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-02-19 07:06:55,395 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-02-19 07:06:55,397 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 [2022-02-19 07:06:55,460 INFO L234 CfgBuilder]: Building ICFG [2022-02-19 07:06:55,461 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-02-19 07:06:55,546 INFO L275 CfgBuilder]: Performing block encoding [2022-02-19 07:06:55,552 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-02-19 07:06:55,552 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-02-19 07:06:55,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:06:55 BoogieIcfgContainer [2022-02-19 07:06:55,553 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-02-19 07:06:55,554 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-02-19 07:06:55,554 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-02-19 07:06:55,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-02-19 07:06:55,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.02 07:06:54" (1/3) ... [2022-02-19 07:06:55,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3d9bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:06:55, skipping insertion in model container [2022-02-19 07:06:55,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.02 07:06:55" (2/3) ... [2022-02-19 07:06:55,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e3d9bc0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.02 07:06:55, skipping insertion in model container [2022-02-19 07:06:55,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.02 07:06:55" (3/3) ... [2022-02-19 07:06:55,558 INFO L111 eAbstractionObserver]: Analyzing ICFG 13-privatized_47-refine-protected2_true.i [2022-02-19 07:06:55,561 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-02-19 07:06:55,561 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-02-19 07:06:55,561 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-02-19 07:06:55,561 INFO L534 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-02-19 07:06:55,578 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,579 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,579 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,579 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,579 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,579 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,580 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,581 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#t~nondet1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,583 WARN L322 ript$VariableManager]: TermVariabe t_funThread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,583 WARN L322 ript$VariableManager]: TermVariabe |t_funThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-02-19 07:06:55,585 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-02-19 07:06:55,611 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-02-19 07:06:55,611 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-02-19 07:06:55,613 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) [2022-02-19 07:06:55,641 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 [2022-02-19 07:06:55,655 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-02-19 07:06:55,662 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mLazyFiniteAutomaton=true, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR, mMcrOptimizeForkJoin=false, mMcrOverapproximateWrwc=false [2022-02-19 07:06:55,662 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-02-19 07:06:55,704 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48 transitions and produced 49 states. [2022-02-19 07:06:55,706 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:06:55,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:06:55,709 INFO L85 PathProgramCache]: Analyzing trace with hash -1714392896, now seen corresponding path program 1 times [2022-02-19 07:06:55,715 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:06:55,715 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1113892519] [2022-02-19 07:06:55,715 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:06:55,716 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:06:55,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:06:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:06:55,882 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:06:55,882 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1113892519] [2022-02-19 07:06:55,883 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1113892519] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:06:55,883 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:06:55,883 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-02-19 07:06:55,884 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733209392] [2022-02-19 07:06:55,885 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:06:55,887 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-02-19 07:06:55,887 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:06:55,900 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-02-19 07:06:55,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-02-19 07:06:55,902 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:55,903 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:06:55,904 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.0) internal successors, (36), 3 states have internal predecessors, (36), 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) [2022-02-19 07:06:55,904 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:55,918 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 48 transitions and produced 49 states. [2022-02-19 07:06:55,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:06:55,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-02-19 07:06:55,921 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:06:55,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:06:55,922 INFO L85 PathProgramCache]: Analyzing trace with hash 83167749, now seen corresponding path program 1 times [2022-02-19 07:06:55,923 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:06:55,923 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [620583948] [2022-02-19 07:06:55,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:06:55,923 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:06:55,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:06:56,041 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:06:56,041 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:06:56,042 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [620583948] [2022-02-19 07:06:56,042 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [620583948] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:06:56,042 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:06:56,042 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 07:06:56,042 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [861226807] [2022-02-19 07:06:56,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:06:56,043 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 07:06:56,043 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:06:56,044 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 07:06:56,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 07:06:56,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:56,044 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:06:56,044 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.2) internal successors, (36), 5 states have internal predecessors, (36), 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) [2022-02-19 07:06:56,044 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:06:56,045 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:56,140 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 101 transitions and produced 78 states. [2022-02-19 07:06:56,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:06:56,140 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,141 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-02-19 07:06:56,141 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:06:56,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:06:56,141 INFO L85 PathProgramCache]: Analyzing trace with hash -740331581, now seen corresponding path program 1 times [2022-02-19 07:06:56,142 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:06:56,142 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [410623569] [2022-02-19 07:06:56,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:06:56,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:06:56,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:06:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:06:56,238 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:06:56,239 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [410623569] [2022-02-19 07:06:56,239 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [410623569] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:06:56,239 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:06:56,239 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2022-02-19 07:06:56,239 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788993482] [2022-02-19 07:06:56,239 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:06:56,240 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-02-19 07:06:56,240 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:06:56,240 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-02-19 07:06:56,241 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2022-02-19 07:06:56,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:56,241 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:06:56,241 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 6.666666666666667) internal successors, (40), 6 states have internal predecessors, (40), 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) [2022-02-19 07:06:56,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:06:56,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,241 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:56,361 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 88 transitions and produced 78 states. [2022-02-19 07:06:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:06:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,362 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-02-19 07:06:56,362 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-02-19 07:06:56,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-02-19 07:06:56,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1738994042, now seen corresponding path program 1 times [2022-02-19 07:06:56,363 INFO L126 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-02-19 07:06:56,363 INFO L338 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992358418] [2022-02-19 07:06:56,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-02-19 07:06:56,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-02-19 07:06:56,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-02-19 07:06:56,446 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-02-19 07:06:56,446 INFO L144 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-02-19 07:06:56,446 INFO L338 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992358418] [2022-02-19 07:06:56,446 INFO L165 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1992358418] provided 1 perfect and 0 imperfect interpolant sequences [2022-02-19 07:06:56,446 INFO L191 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-02-19 07:06:56,446 INFO L204 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-02-19 07:06:56,447 INFO L118 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492592880] [2022-02-19 07:06:56,447 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-02-19 07:06:56,447 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-02-19 07:06:56,447 INFO L108 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-02-19 07:06:56,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-02-19 07:06:56,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-02-19 07:06:56,448 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:56,448 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-02-19 07:06:56,448 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 8.2) internal successors, (41), 5 states have internal predecessors, (41), 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) [2022-02-19 07:06:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:06:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,448 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,449 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-02-19 07:06:56,500 INFO L104 alCausalityReduction]: MaximalCausalityReduction evaluated 108 transitions and produced 74 states. [2022-02-19 07:06:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-02-19 07:06:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-02-19 07:06:56,501 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2022-02-19 07:06:56,503 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-02-19 07:06:56,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-02-19 07:06:56,504 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 3 remaining) [2022-02-19 07:06:56,504 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-02-19 07:06:56,512 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-02-19 07:06:56,515 INFO L230 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-02-19 07:06:56,515 INFO L180 ceAbstractionStarter]: Computing trace abstraction results [2022-02-19 07:06:56,521 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.02 07:06:56 BasicIcfg [2022-02-19 07:06:56,521 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-02-19 07:06:56,522 INFO L158 Benchmark]: Toolchain (without parser) took 1567.57ms. Allocated memory was 181.4MB in the beginning and 224.4MB in the end (delta: 43.0MB). Free memory was 153.5MB in the beginning and 156.5MB in the end (delta: -3.0MB). Peak memory consumption was 39.9MB. Max. memory is 8.0GB. [2022-02-19 07:06:56,522 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. [2022-02-19 07:06:56,523 INFO L158 Benchmark]: CACSL2BoogieTranslator took 320.85ms. Allocated memory is still 181.4MB. Free memory was 153.3MB in the beginning and 145.8MB in the end (delta: 7.5MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. [2022-02-19 07:06:56,523 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.14ms. Allocated memory is still 181.4MB. Free memory was 145.8MB in the beginning and 143.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-02-19 07:06:56,524 INFO L158 Benchmark]: Boogie Preprocessor took 25.35ms. Allocated memory is still 181.4MB. Free memory was 143.7MB in the beginning and 142.8MB in the end (delta: 925.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-02-19 07:06:56,526 INFO L158 Benchmark]: RCFGBuilder took 208.56ms. Allocated memory is still 181.4MB. Free memory was 142.4MB in the beginning and 131.2MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-02-19 07:06:56,528 INFO L158 Benchmark]: TraceAbstraction took 966.92ms. Allocated memory was 181.4MB in the beginning and 224.4MB in the end (delta: 43.0MB). Free memory was 130.9MB in the beginning and 156.5MB in the end (delta: -25.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-02-19 07:06:56,532 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 181.4MB. Free memory is still 143.7MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 320.85ms. Allocated memory is still 181.4MB. Free memory was 153.3MB in the beginning and 145.8MB in the end (delta: 7.5MB). Peak memory consumption was 10.6MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.14ms. Allocated memory is still 181.4MB. Free memory was 145.8MB in the beginning and 143.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 25.35ms. Allocated memory is still 181.4MB. Free memory was 143.7MB in the beginning and 142.8MB in the end (delta: 925.0kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 208.56ms. Allocated memory is still 181.4MB. Free memory was 142.4MB in the beginning and 131.2MB in the end (delta: 11.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 966.92ms. Allocated memory was 181.4MB in the beginning and 224.4MB in the end (delta: 43.0MB). Free memory was 130.9MB in the beginning and 156.5MB in the end (delta: -25.7MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , Statistics on independence cache: Total cache size (in pairs): 0, Positive cache size: 0, Positive conditional cache size: 0, Positive unconditional cache size: 0, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0, Eliminated conditions: 0, Maximal queried relation: -1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 19]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 73 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.3s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 22, 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, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 153 NumberOfCodeBlocks, 153 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 149 ConstructedInterpolants, 0 QuantifiedInterpolants, 302 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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 - AllSpecificationsHoldResult: All specifications hold 2 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-02-19 07:06:56,556 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Ended with exit code 0 [2022-02-19 07:06:56,776 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...