/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 --traceabstraction.use.on-demand.petri.net.difference true -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.repeated-lipton-a802222-m [2022-12-11 21:13:44,427 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-11 21:13:44,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-11 21:13:44,454 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-11 21:13:44,454 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-11 21:13:44,455 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-11 21:13:44,466 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-11 21:13:44,467 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-11 21:13:44,468 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-11 21:13:44,469 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-11 21:13:44,469 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-11 21:13:44,470 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-11 21:13:44,470 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-11 21:13:44,471 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-11 21:13:44,472 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-11 21:13:44,472 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-11 21:13:44,477 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-11 21:13:44,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-11 21:13:44,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-11 21:13:44,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-11 21:13:44,485 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-11 21:13:44,488 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-11 21:13:44,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-11 21:13:44,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-11 21:13:44,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-11 21:13:44,492 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-11 21:13:44,492 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-11 21:13:44,492 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-11 21:13:44,492 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-11 21:13:44,493 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-11 21:13:44,493 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-11 21:13:44,494 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-11 21:13:44,494 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-11 21:13:44,494 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-11 21:13:44,495 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-11 21:13:44,495 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-11 21:13:44,496 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-11 21:13:44,496 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-11 21:13:44,496 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-11 21:13:44,497 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-11 21:13:44,497 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-11 21:13:44,501 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 21:13:44,540 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-11 21:13:44,540 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-11 21:13:44,541 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-12-11 21:13:44,541 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-12-11 21:13:44,542 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-11 21:13:44,542 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-11 21:13:44,542 INFO L138 SettingsManager]: * Use SBE=true [2022-12-11 21:13:44,543 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-11 21:13:44,543 INFO L138 SettingsManager]: * sizeof long=4 [2022-12-11 21:13:44,543 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-11 21:13:44,543 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-12-11 21:13:44,543 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * sizeof long double=12 [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-12-11 21:13:44,544 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-11 21:13:44,544 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:13:44,545 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-11 21:13:44,545 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2022-12-11 21:13:44,546 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use on-demand Petri net difference -> true [2022-12-11 21:13:44,785 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-11 21:13:44,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-11 21:13:44,800 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-11 21:13:44,800 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-11 21:13:44,801 INFO L275 PluginConnector]: CDTParser initialized [2022-12-11 21:13:44,801 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-12-11 21:13:45,780 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-11 21:13:46,047 INFO L351 CDTParser]: Found 1 translation units. [2022-12-11 21:13:46,048 INFO L172 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/goblint-regression/13-privatized_18-first-reads_unknown_2_pos.i [2022-12-11 21:13:46,064 INFO L394 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f99bb15/7cc75c5b264b4aedb8c7adc72dfb7747/FLAG00acfcd00 [2022-12-11 21:13:46,076 INFO L402 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37f99bb15/7cc75c5b264b4aedb8c7adc72dfb7747 [2022-12-11 21:13:46,078 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-11 21:13:46,079 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-12-11 21:13:46,080 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-11 21:13:46,080 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-11 21:13:46,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-11 21:13:46,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,083 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72e2ab3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46, skipping insertion in model container [2022-12-11 21:13:46,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-11 21:13:46,125 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-11 21:13:46,297 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_unknown_2_pos.i[1097,1110] [2022-12-11 21:13:46,430 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:13:46,441 INFO L203 MainTranslator]: Completed pre-run [2022-12-11 21:13:46,452 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_unknown_2_pos.i[1097,1110] [2022-12-11 21:13:46,472 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-11 21:13:46,511 INFO L208 MainTranslator]: Completed translation [2022-12-11 21:13:46,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46 WrapperNode [2022-12-11 21:13:46,512 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-11 21:13:46,513 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-11 21:13:46,513 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-11 21:13:46,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-11 21:13:46,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,528 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,547 INFO L138 Inliner]: procedures = 163, calls = 21, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 55 [2022-12-11 21:13:46,548 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-11 21:13:46,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-11 21:13:46,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-11 21:13:46,548 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-11 21:13:46,554 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,570 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,572 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,573 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-11 21:13:46,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-11 21:13:46,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-11 21:13:46,575 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-11 21:13:46,576 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (1/1) ... [2022-12-11 21:13:46,591 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-12-11 21:13:46,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-12-11 21:13:46,650 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 21:13:46,661 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 21:13:46,686 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-12-11 21:13:46,687 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-12-11 21:13:46,687 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-12-11 21:13:46,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-12-11 21:13:46,687 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-12-11 21:13:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-12-11 21:13:46,688 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-12-11 21:13:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-12-11 21:13:46,688 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-12-11 21:13:46,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-11 21:13:46,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-11 21:13:46,690 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 21:13:46,797 INFO L236 CfgBuilder]: Building ICFG [2022-12-11 21:13:46,799 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-11 21:13:46,958 INFO L277 CfgBuilder]: Performing block encoding [2022-12-11 21:13:46,962 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-11 21:13:46,962 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2022-12-11 21:13:46,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:13:46 BoogieIcfgContainer [2022-12-11 21:13:46,964 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-11 21:13:46,965 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-12-11 21:13:46,966 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-12-11 21:13:46,968 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-12-11 21:13:46,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 11.12 09:13:46" (1/3) ... [2022-12-11 21:13:46,968 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a373c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:13:46, skipping insertion in model container [2022-12-11 21:13:46,968 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.12 09:13:46" (2/3) ... [2022-12-11 21:13:46,969 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a373c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 11.12 09:13:46, skipping insertion in model container [2022-12-11 21:13:46,969 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.12 09:13:46" (3/3) ... [2022-12-11 21:13:46,970 INFO L112 eAbstractionObserver]: Analyzing ICFG 13-privatized_18-first-reads_unknown_2_pos.i [2022-12-11 21:13:46,999 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-12-11 21:13:46,999 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2022-12-11 21:13:46,999 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-12-11 21:13:47,058 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-12-11 21:13:47,097 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 60 places, 58 transitions, 124 flow [2022-12-11 21:13:47,142 INFO L130 PetriNetUnfolder]: 2/57 cut-off events. [2022-12-11 21:13:47,142 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-12-11 21:13:47,145 INFO L83 FinitePrefix]: Finished finitePrefix Result has 62 conditions, 57 events. 2/57 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 22 event pairs, 0 based on Foata normal form. 0/54 useless extension candidates. Maximal degree in co-relation 28. Up to 2 conditions per place. [2022-12-11 21:13:47,145 INFO L82 GeneralOperation]: Start removeDead. Operand has 60 places, 58 transitions, 124 flow [2022-12-11 21:13:47,149 INFO L88 GeneralOperation]: Finished RemoveDead, result has has 46 places, 43 transitions, 89 flow [2022-12-11 21:13:47,161 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-12-11 21:13:47,167 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;@44a764d6, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, Conditionality=CONDITIONAL_DISJUNCTIVE, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-12-11 21:13:47,167 INFO L358 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2022-12-11 21:13:47,185 INFO L130 PetriNetUnfolder]: 1/42 cut-off events. [2022-12-11 21:13:47,186 INFO L131 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2022-12-11 21:13:47,186 INFO L206 CegarLoopForPetriNet]: Found error trace [2022-12-11 21:13:47,186 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] [2022-12-11 21:13:47,187 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION, t_funErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-12-11 21:13:47,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-11 21:13:47,191 INFO L85 PathProgramCache]: Analyzing trace with hash -1547985198, now seen corresponding path program 1 times [2022-12-11 21:13:47,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-11 21:13:47,199 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480983182] [2022-12-11 21:13:47,199 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-11 21:13:47,199 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-11 21:13:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:13:47,385 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-11 21:13:47,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-11 21:13:47,438 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-11 21:13:47,439 INFO L360 BasicCegarLoop]: Counterexample is feasible [2022-12-11 21:13:47,441 INFO L805 garLoopResultBuilder]: Registering result UNSAFE for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2022-12-11 21:13:47,442 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (1 of 3 remaining) [2022-12-11 21:13:47,443 INFO L805 garLoopResultBuilder]: Registering result UNKNOWN for location t_funErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2022-12-11 21:13:47,443 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-12-11 21:13:47,443 INFO L445 BasicCegarLoop]: Path program histogram: [1] [2022-12-11 21:13:47,450 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-12-11 21:13:47,450 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-12-11 21:13:47,484 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 11.12 09:13:47 BasicIcfg [2022-12-11 21:13:47,484 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-12-11 21:13:47,486 INFO L158 Benchmark]: Toolchain (without parser) took 1405.92ms. Allocated memory was 164.6MB in the beginning and 198.2MB in the end (delta: 33.6MB). Free memory was 139.0MB in the beginning and 166.6MB in the end (delta: -27.6MB). Peak memory consumption was 7.0MB. Max. memory is 8.0GB. [2022-12-11 21:13:47,486 INFO L158 Benchmark]: CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:13:47,487 INFO L158 Benchmark]: CACSL2BoogieTranslator took 432.38ms. Allocated memory is still 164.6MB. Free memory was 139.0MB in the beginning and 120.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. [2022-12-11 21:13:47,487 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.23ms. Allocated memory is still 164.6MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-12-11 21:13:47,491 INFO L158 Benchmark]: Boogie Preprocessor took 26.22ms. Allocated memory is still 164.6MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-12-11 21:13:47,491 INFO L158 Benchmark]: RCFGBuilder took 389.05ms. Allocated memory is still 164.6MB. Free memory was 117.0MB in the beginning and 105.0MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-12-11 21:13:47,492 INFO L158 Benchmark]: TraceAbstraction took 518.74ms. Allocated memory was 164.6MB in the beginning and 198.2MB in the end (delta: 33.6MB). Free memory was 103.9MB in the beginning and 166.6MB in the end (delta: -62.7MB). There was no memory consumed. Max. memory is 8.0GB. [2022-12-11 21:13:47,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09ms. Allocated memory is still 164.6MB. Free memory is still 141.4MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 432.38ms. Allocated memory is still 164.6MB. Free memory was 139.0MB in the beginning and 120.2MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 34.23ms. Allocated memory is still 164.6MB. Free memory was 120.2MB in the beginning and 118.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 26.22ms. Allocated memory is still 164.6MB. Free memory was 118.1MB in the beginning and 117.0MB in the end (delta: 1.1MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 389.05ms. Allocated memory is still 164.6MB. Free memory was 117.0MB in the beginning and 105.0MB in the end (delta: 12.0MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * TraceAbstraction took 518.74ms. Allocated memory was 164.6MB in the beginning and 198.2MB in the end (delta: 33.6MB). Free memory was 103.9MB in the beginning and 166.6MB in the end (delta: -62.7MB). There was no memory consumed. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L682] 0 int glob1 = 0; VAL [glob1=0] [L683] 0 pthread_mutex_t mutex1 = { { 0, 0, 0, PTHREAD_MUTEX_TIMED_NP, 0, { { 0, 0 } } } }; VAL [glob1=0, mutex1={3:0}] [L697] 0 pthread_t id; VAL [glob1=0, id={5:0}, mutex1={3:0}] [L698] FCALL, FORK 0 pthread_create(&id, ((void *)0), t_fun, ((void *)0)) VAL [glob1=0, id={5:0}, mutex1={3:0}, pthread_create(&id, ((void *)0), t_fun, ((void *)0))=-1] [L685] 1 int t = __VERIFIER_nondet_int(); VAL [__VERIFIER_nondet_int()=0, arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L687] COND FALSE 1 !(t == 42) VAL [arg={0:0}, arg={0:0}, glob1=0, mutex1={3:0}, t=0] [L690] 1 t = glob1 [L691] CALL 1 __VERIFIER_assert(t == 1) [L19] COND TRUE 1 !(cond) VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] [L19] 1 reach_error() VAL [\old(cond)=0, cond=0, glob1=0, mutex1={3:0}] - UnprovableResult [Line: 698]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - 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: 0.4s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=89occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 35 NumberOfCodeBlocks, 35 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2022-12-11 21:13:47,516 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...