/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-PN-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 19:14:14,398 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 19:14:14,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 19:14:14,421 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 19:14:14,421 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 19:14:14,423 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 19:14:14,426 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 19:14:14,429 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 19:14:14,432 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 19:14:14,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 19:14:14,436 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 19:14:14,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 19:14:14,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 19:14:14,439 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 19:14:14,440 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 19:14:14,442 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 19:14:14,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 19:14:14,443 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 19:14:14,445 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 19:14:14,448 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 19:14:14,449 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 19:14:14,450 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 19:14:14,450 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 19:14:14,451 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 19:14:14,456 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 19:14:14,456 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 19:14:14,456 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 19:14:14,458 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 19:14:14,458 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 19:14:14,458 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 19:14:14,459 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 19:14:14,460 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 19:14:14,461 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 19:14:14,461 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 19:14:14,462 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 19:14:14,462 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 19:14:14,462 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 19:14:14,462 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 19:14:14,462 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 19:14:14,463 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 19:14:14,463 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 19:14:14,464 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-PN-NoLbe.epf [2022-12-11 19:14:14,485 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 19:14:14,486 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 19:14:14,486 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 19:14:14,486 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 19:14:14,487 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 19:14:14,488 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 19:14:14,488 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 19:14:14,489 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 19:14:14,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:14:14,489 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 19:14:14,490 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 19:14:14,490 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 19:14:14,490 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 19:14:14,490 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 19:14:14,490 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 19:14:14,490 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 19:14:14,490 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-12-11 19:14:14,736 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 19:14:14,750 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 19:14:14,752 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 19:14:14,753 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 19:14:14,753 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 19:14:14,754 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-12-11 19:14:15,686 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 19:14:15,999 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 19:14:15,999 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_true.i [2022-12-11 19:14:16,010 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a367ec1/b4fe984ed8d94304b1c4be171c4054b1/FLAG5aa519f01 [2022-12-11 19:14:16,269 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4a367ec1/b4fe984ed8d94304b1c4be171c4054b1 [2022-12-11 19:14:16,270 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 19:14:16,271 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 19:14:16,283 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 19:14:16,284 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 19:14:16,286 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 19:14:16,286 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,287 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2167e874 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16, skipping insertion in model container [2022-12-11 19:14:16,287 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,295 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 19:14:16,346 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 19:14:16,448 WARN L237 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_18-first-reads_true.i[1088,1101] [2022-12-11 19:14:16,524 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:14:16,531 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 19:14:16,539 WARN L237 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_18-first-reads_true.i[1088,1101] [2022-12-11 19:14:16,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 19:14:16,598 INFO L208 MainTranslator]: Completed translation [2022-12-11 19:14:16,598 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16 WrapperNode [2022-12-11 19:14:16,598 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 19:14:16,600 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 19:14:16,600 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 19:14:16,600 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 19:14:16,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,630 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,642 INFO L138 Inliner]: procedures = 163, calls = 22, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 48 [2022-12-11 19:14:16,643 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 19:14:16,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 19:14:16,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 19:14:16,643 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 19:14:16,648 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,648 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,652 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,652 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,655 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,656 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,657 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 19:14:16,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 19:14:16,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 19:14:16,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 19:14:16,664 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (1/1) ... [2022-12-11 19:14:16,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 19:14:16,680 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 19:14:16,689 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) [2022-12-11 19:14:16,700 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 [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 19:14:16,714 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 19:14:16,714 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 19:14:16,715 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 19:14:16,715 WARN L210 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to OneNontrivialStatement [2022-12-11 19:14:16,799 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 19:14:16,801 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 19:14:16,959 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 19:14:16,963 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 19:14:16,963 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 19:14:16,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:14:16 BoogieIcfgContainer [2022-12-11 19:14:16,965 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 19:14:16,966 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 19:14:16,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 19:14:16,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 19:14:16,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 07:14:16" (1/3) ... [2022-12-11 19:14:16,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17671558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:14:16, skipping insertion in model container [2022-12-11 19:14:16,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 07:14:16" (2/3) ... [2022-12-11 19:14:16,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@17671558 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 07:14:16, skipping insertion in model container [2022-12-11 19:14:16,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 07:14:16" (3/3) ... [2022-12-11 19:14:16,970 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_true.i [2022-12-11 19:14:16,982 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 19:14:16,982 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-12-11 19:14:16,982 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 19:14:17,012 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-11 19:14:17,033 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 67 places, 66 transitions, 140 flow [2022-12-11 19:14:17,058 INFO L130 PetriNetUnfolder]: 3/65 cut-off events. [2022-12-11 19:14:17,058 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 19:14:17,061 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 65 events. 3/65 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 42 event pairs, 0 based on Foata normal form. 0/60 useless extension candidates. Maximal degree in co-relation 29. Up to 2 conditions per place. [2022-12-11 19:14:17,061 INFO L82 GeneralOperation]: Start removeDead. Operand has 67 places, 66 transitions, 140 flow [2022-12-11 19:14:17,064 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 59 places, 58 transitions, 119 flow [2022-12-11 19:14:17,071 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 19:14:17,075 INFO L357 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=false, mAutomataTypeConcurrency=PETRI_NET, 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, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3b031441, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 19:14:17,075 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 19:14:17,081 INFO L130 PetriNetUnfolder]: 0/23 cut-off events. [2022-12-11 19:14:17,081 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 19:14:17,081 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:14:17,082 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:14:17,082 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:14:17,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:14:17,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1933425099, now seen corresponding path program 1 times [2022-12-11 19:14:17,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:14:17,091 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827941713] [2022-12-11 19:14:17,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:14:17,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:14:17,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:14:17,429 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:14:17,429 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:14:17,429 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827941713] [2022-12-11 19:14:17,430 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1827941713] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:14:17,430 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:14:17,430 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-12-11 19:14:17,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [717359666] [2022-12-11 19:14:17,432 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:14:17,437 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2022-12-11 19:14:17,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:14:17,469 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2022-12-11 19:14:17,471 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2022-12-11 19:14:17,474 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 46 out of 66 [2022-12-11 19:14:17,476 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 59 places, 58 transitions, 119 flow. Second operand has 5 states, 5 states have (on average 47.0) internal successors, (235), 5 states have internal predecessors, (235), 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) [2022-12-11 19:14:17,476 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:14:17,476 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 46 of 66 [2022-12-11 19:14:17,477 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:14:17,612 INFO L130 PetriNetUnfolder]: 28/142 cut-off events. [2022-12-11 19:14:17,612 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 19:14:17,614 INFO L83 FinitePrefix]: Finished finitePrefix Result has 220 conditions, 142 events. 28/142 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 13. Compared 474 event pairs, 6 based on Foata normal form. 3/139 useless extension candidates. Maximal degree in co-relation 183. Up to 24 conditions per place. [2022-12-11 19:14:17,615 INFO L137 encePairwiseOnDemand]: 54/66 looper letters, 10 selfloop transitions, 9 changer transitions 20/74 dead transitions. [2022-12-11 19:14:17,615 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 63 places, 74 transitions, 223 flow [2022-12-11 19:14:17,617 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-12-11 19:14:17,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2022-12-11 19:14:17,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 455 transitions. [2022-12-11 19:14:17,631 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.765993265993266 [2022-12-11 19:14:17,632 INFO L175 Difference]: Start difference. First operand has 59 places, 58 transitions, 119 flow. Second operand 9 states and 455 transitions. [2022-12-11 19:14:17,633 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 63 places, 74 transitions, 223 flow [2022-12-11 19:14:17,636 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 62 places, 74 transitions, 222 flow, removed 0 selfloop flow, removed 1 redundant places. [2022-12-11 19:14:17,640 INFO L231 Difference]: Finished difference. Result has 66 places, 50 transitions, 134 flow [2022-12-11 19:14:17,641 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=106, PETRI_DIFFERENCE_MINUEND_PLACES=54, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=52, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=7, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=45, PETRI_DIFFERENCE_SUBTRAHEND_STATES=9, PETRI_FLOW=134, PETRI_PLACES=66, PETRI_TRANSITIONS=50} [2022-12-11 19:14:17,645 INFO L295 CegarLoopForPetriNet]: 59 programPoint places, 7 predicate places. [2022-12-11 19:14:17,646 INFO L495 AbstractCegarLoop]: Abstraction has has 66 places, 50 transitions, 134 flow [2022-12-11 19:14:17,646 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 47.0) internal successors, (235), 5 states have internal predecessors, (235), 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) [2022-12-11 19:14:17,646 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 19:14:17,646 INFO L214 CegarLoopForPetriNet]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-12-11 19:14:17,647 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 19:14:17,647 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES] === [2022-12-11 19:14:17,649 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 19:14:17,649 INFO L85 PathProgramCache]: Analyzing trace with hash -1453693606, now seen corresponding path program 1 times [2022-12-11 19:14:17,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 19:14:17,649 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [483749262] [2022-12-11 19:14:17,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 19:14:17,650 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 19:14:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-11 19:14:17,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-11 19:14:17,806 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-12-11 19:14:17,807 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [483749262] [2022-12-11 19:14:17,807 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [483749262] provided 1 perfect and 0 imperfect interpolant sequences [2022-12-11 19:14:17,807 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-12-11 19:14:17,807 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-12-11 19:14:17,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264261956] [2022-12-11 19:14:17,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-12-11 19:14:17,808 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2022-12-11 19:14:17,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-12-11 19:14:17,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2022-12-11 19:14:17,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2022-12-11 19:14:17,810 INFO L481 CegarLoopForPetriNet]: Number of universal loopers: 36 out of 66 [2022-12-11 19:14:17,810 INFO L100 encePairwiseOnDemand]: Start differencePairwiseOnDemand. First operand has 66 places, 50 transitions, 134 flow. Second operand has 7 states, 7 states have (on average 38.714285714285715) internal successors, (271), 7 states have internal predecessors, (271), 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) [2022-12-11 19:14:17,810 INFO L109 encePairwiseOnDemand]: Universal subtrahend loopers provided by user. [2022-12-11 19:14:17,810 INFO L110 encePairwiseOnDemand]: Number of universal subtrahend loopers: 36 of 66 [2022-12-11 19:14:17,810 INFO L73 FinitePrefix]: Start finitePrefix. Operand will be constructed on-demand [2022-12-11 19:14:17,913 INFO L130 PetriNetUnfolder]: 0/39 cut-off events. [2022-12-11 19:14:17,914 INFO L131 PetriNetUnfolder]: For 8/8 co-relation queries the response was YES. [2022-12-11 19:14:17,914 INFO L83 FinitePrefix]: Finished finitePrefix Result has 70 conditions, 39 events. 0/39 cut-off events. For 8/8 co-relation queries the response was YES. Maximal size of possible extension queue 2. Compared 8 event pairs, 0 based on Foata normal form. 4/43 useless extension candidates. Maximal degree in co-relation 0. Up to 7 conditions per place. [2022-12-11 19:14:17,914 INFO L137 encePairwiseOnDemand]: 60/66 looper letters, 0 selfloop transitions, 0 changer transitions 39/39 dead transitions. [2022-12-11 19:14:17,914 INFO L142 encePairwiseOnDemand]: Finished differencePairwiseOnDemand. Result has 57 places, 39 transitions, 125 flow [2022-12-11 19:14:17,915 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-12-11 19:14:17,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7 states. [2022-12-11 19:14:17,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 7 states and 271 transitions. [2022-12-11 19:14:17,916 INFO L526 CegarLoopForPetriNet]: DFA transition density 0.5865800865800865 [2022-12-11 19:14:17,916 INFO L175 Difference]: Start difference. First operand has 66 places, 50 transitions, 134 flow. Second operand 7 states and 271 transitions. [2022-12-11 19:14:17,917 INFO L82 GeneralOperation]: Start removeRedundantFlow. Operand has 57 places, 39 transitions, 125 flow [2022-12-11 19:14:17,919 INFO L88 GeneralOperation]: Finished removeRedundantFlow, result has has 50 places, 39 transitions, 113 flow, removed 0 selfloop flow, removed 7 redundant places. [2022-12-11 19:14:17,923 INFO L231 Difference]: Finished difference. Result has 50 places, 0 transitions, 0 flow [2022-12-11 19:14:17,924 INFO L277 CegarLoopForPetriNet]: {PETRI_ALPHABET=66, PETRI_DIFFERENCE_MINUEND_FLOW=81, PETRI_DIFFERENCE_MINUEND_PLACES=44, PETRI_DIFFERENCE_MINUEND_TRANSITIONS=39, PETRI_DIFFERENCE_SUBTRAHEND_LETTERS_WITH_MORE_CHANGERS_THAN_LOOPERS=0, PETRI_DIFFERENCE_SUBTRAHEND_LOOPER_ONLY_LETTERS=39, PETRI_DIFFERENCE_SUBTRAHEND_STATES=7, PETRI_FLOW=0, PETRI_PLACES=50, PETRI_TRANSITIONS=0} [2022-12-11 19:14:17,924 INFO L295 CegarLoopForPetriNet]: 59 programPoint places, -9 predicate places. [2022-12-11 19:14:17,924 INFO L495 AbstractCegarLoop]: Abstraction has has 50 places, 0 transitions, 0 flow [2022-12-11 19:14:17,925 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 38.714285714285715) internal successors, (271), 7 states have internal predecessors, (271), 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) [2022-12-11 19:14:17,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 19:14:17,927 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2022-12-11 19:14:17,928 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (0 of 3 remaining) [2022-12-11 19:14:17,928 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-12-11 19:14:17,928 INFO L445 BasicCegarLoop]: Path program histogram: [1, 1] [2022-12-11 19:14:17,932 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 19:14:17,932 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 19:14:17,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 07:14:17 BasicIcfg [2022-12-11 19:14:17,940 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 19:14:17,940 INFO L158 Benchmark]: Toolchain (without parser) took 1668.90ms. Allocated memory is still 209.7MB. Free memory was 184.4MB in the beginning and 181.5MB in the end (delta: 2.8MB). Peak memory consumption was 2.3MB. Max. memory is 8.0GB. [2022-12-11 19:14:17,940 INFO L158 Benchmark]: CDTParser took 0.16ms. Allocated memory is still 209.7MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:14:17,941 INFO L158 Benchmark]: CACSL2BoogieTranslator took 315.65ms. Allocated memory is still 209.7MB. Free memory was 183.9MB in the beginning and 165.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 19:14:17,941 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.77ms. Allocated memory is still 209.7MB. Free memory was 165.5MB in the beginning and 163.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 19:14:17,942 INFO L158 Benchmark]: Boogie Preprocessor took 20.37ms. Allocated memory is still 209.7MB. Free memory was 163.4MB in the beginning and 161.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 19:14:17,943 INFO L158 Benchmark]: RCFGBuilder took 300.84ms. Allocated memory is still 209.7MB. Free memory was 161.8MB in the beginning and 149.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-12-11 19:14:17,943 INFO L158 Benchmark]: TraceAbstraction took 973.55ms. Allocated memory is still 209.7MB. Free memory was 147.7MB in the beginning and 181.5MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 19:14:17,949 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16ms. Allocated memory is still 209.7MB. Free memory is still 187.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 315.65ms. Allocated memory is still 209.7MB. Free memory was 183.9MB in the beginning and 165.5MB in the end (delta: 18.4MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 42.77ms. Allocated memory is still 209.7MB. Free memory was 165.5MB in the beginning and 163.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 20.37ms. Allocated memory is still 209.7MB. Free memory was 163.4MB in the beginning and 161.8MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 300.84ms. Allocated memory is still 209.7MB. Free memory was 161.8MB in the beginning and 149.3MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 973.55ms. Allocated memory is still 209.7MB. Free memory was 147.7MB in the beginning and 181.5MB in the end (delta: -33.9MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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, 79 locations, 3 error locations. Started 1 CEGAR loops. EmptinessCheckTime: 0.0s, RemoveRedundantFlowTime: 0.0s, RemoveRedundantFlowUnfoldingTime: 0.0s, BackfoldingTime: 0.0s, BackfoldingUnfoldingTime: 0.0s, FlowIncreaseByBackfolding: 0, BasicCegarLoop: OverallTime: 0.9s, OverallIterations: 2, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 77 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 77 mSDsluCounter, 49 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 31 mSDsCounter, 19 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 19 mSolverCounterUnsat, 18 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=134occurred in iteration=1, InterpolantAutomatonStates: 16, 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, 0.4s InterpolantComputationTime, 66 NumberOfCodeBlocks, 66 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 64 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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! [2022-12-11 19:14:17,964 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request...