/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/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf --traceabstraction.cegar.restart.behaviour ONE_CEGAR_PER_THREAD_INSTANCE -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml --cacsl2boogietranslator.check.unreachability.of.error.function.in.sv-comp.mode false --cacsl2boogietranslator.check.absence.of.signed.integer.overflows true -i ../../../trunk/examples/svcomp/pthread-atomic/peterson.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-dev-9868fc6-m [2022-11-15 13:38:06,042 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-15 13:38:06,044 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-15 13:38:06,078 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-15 13:38:06,079 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-15 13:38:06,081 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-15 13:38:06,084 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-15 13:38:06,085 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-15 13:38:06,087 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-15 13:38:06,091 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-15 13:38:06,092 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-15 13:38:06,094 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-15 13:38:06,094 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-15 13:38:06,097 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-15 13:38:06,098 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-15 13:38:06,099 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-15 13:38:06,099 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-15 13:38:06,100 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-15 13:38:06,101 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-15 13:38:06,106 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-15 13:38:06,107 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-15 13:38:06,108 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-15 13:38:06,110 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-15 13:38:06,111 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-15 13:38:06,116 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-15 13:38:06,116 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-15 13:38:06,116 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-15 13:38:06,118 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-15 13:38:06,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-15 13:38:06,119 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-15 13:38:06,119 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-15 13:38:06,119 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-15 13:38:06,121 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-15 13:38:06,121 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-15 13:38:06,122 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-15 13:38:06,122 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-15 13:38:06,122 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-15 13:38:06,123 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-15 13:38:06,123 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-15 13:38:06,123 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-15 13:38:06,124 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-15 13:38:06,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/gemcutter/NewStatesSleepPersistentFixedOrder-VarAbsGlobalSyntactic.epf [2022-11-15 13:38:06,151 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-15 13:38:06,151 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-15 13:38:06,152 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-15 13:38:06,152 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-15 13:38:06,152 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-15 13:38:06,152 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-15 13:38:06,153 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-15 13:38:06,153 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-15 13:38:06,153 INFO L138 SettingsManager]: * Use SBE=true [2022-11-15 13:38:06,153 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-15 13:38:06,154 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-15 13:38:06,155 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-15 13:38:06,155 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-15 13:38:06,155 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-15 13:38:06,156 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-11-15 13:38:06,156 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-15 13:38:06,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 13:38:06,156 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-15 13:38:06,156 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-15 13:38:06,156 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-15 13:38:06,156 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-15 13:38:06,156 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * Abstraction used for commutativity in POR=VARIABLES_GLOBAL [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-11-15 13:38:06,157 INFO L138 SettingsManager]: * Independence relation used for POR in concurrent analysis=SYNTACTIC 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: CEGAR restart behaviour -> ONE_CEGAR_PER_THREAD_INSTANCE Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check unreachability of error function in SV-COMP mode -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Check absence of signed integer overflows -> true [2022-11-15 13:38:06,353 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-15 13:38:06,379 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-15 13:38:06,380 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-15 13:38:06,381 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-15 13:38:06,382 INFO L275 PluginConnector]: CDTParser initialized [2022-11-15 13:38:06,383 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-atomic/peterson.i [2022-11-15 13:38:06,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda0b983/39a6e5697b7d4334be3662718ee9be05/FLAG6c0948875 [2022-11-15 13:38:06,840 INFO L306 CDTParser]: Found 1 translation units. [2022-11-15 13:38:06,841 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i [2022-11-15 13:38:06,858 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda0b983/39a6e5697b7d4334be3662718ee9be05/FLAG6c0948875 [2022-11-15 13:38:07,215 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3cda0b983/39a6e5697b7d4334be3662718ee9be05 [2022-11-15 13:38:07,217 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-15 13:38:07,218 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-11-15 13:38:07,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-15 13:38:07,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-15 13:38:07,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-15 13:38:07,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411dd928 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07, skipping insertion in model container [2022-11-15 13:38:07,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-15 13:38:07,266 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-15 13:38:07,430 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-15 13:38:07,557 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2022-11-15 13:38:07,562 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2022-11-15 13:38:07,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 13:38:07,575 INFO L203 MainTranslator]: Completed pre-run [2022-11-15 13:38:07,593 WARN L611 FunctionHandler]: implicit declaration of function __builtin_bswap16 [2022-11-15 13:38:07,604 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[30997,31010] [2022-11-15 13:38:07,605 WARN L233 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-atomic/peterson.i[31682,31695] [2022-11-15 13:38:07,611 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-15 13:38:07,634 INFO L208 MainTranslator]: Completed translation [2022-11-15 13:38:07,634 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07 WrapperNode [2022-11-15 13:38:07,634 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-15 13:38:07,635 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-15 13:38:07,635 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-15 13:38:07,635 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-15 13:38:07,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,665 INFO L138 Inliner]: procedures = 171, calls = 47, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 43 [2022-11-15 13:38:07,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-15 13:38:07,666 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-15 13:38:07,666 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-15 13:38:07,666 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-15 13:38:07,671 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,672 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,681 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,682 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,685 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,698 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,699 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,701 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-15 13:38:07,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-15 13:38:07,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-15 13:38:07,706 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-15 13:38:07,707 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (1/1) ... [2022-11-15 13:38:07,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-15 13:38:07,720 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-11-15 13:38:07,730 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) [2022-11-15 13:38:07,745 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 [2022-11-15 13:38:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-15 13:38:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure thr2 [2022-11-15 13:38:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thr2 [2022-11-15 13:38:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-11-15 13:38:07,784 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-11-15 13:38:07,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-15 13:38:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2022-11-15 13:38:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-15 13:38:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-15 13:38:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-15 13:38:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-15 13:38:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2022-11-15 13:38:07,785 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-15 13:38:07,785 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-15 13:38:07,786 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-15 13:38:07,877 INFO L235 CfgBuilder]: Building ICFG [2022-11-15 13:38:07,879 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-15 13:38:08,004 INFO L276 CfgBuilder]: Performing block encoding [2022-11-15 13:38:08,009 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-15 13:38:08,010 INFO L300 CfgBuilder]: Removed 2 assume(true) statements. [2022-11-15 13:38:08,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:38:08 BoogieIcfgContainer [2022-11-15 13:38:08,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-15 13:38:08,013 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-15 13:38:08,013 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-15 13:38:08,016 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-15 13:38:08,016 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 01:38:07" (1/3) ... [2022-11-15 13:38:08,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9c88af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:38:08, skipping insertion in model container [2022-11-15 13:38:08,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 01:38:07" (2/3) ... [2022-11-15 13:38:08,017 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9c88af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 01:38:08, skipping insertion in model container [2022-11-15 13:38:08,017 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 01:38:08" (3/3) ... [2022-11-15 13:38:08,018 INFO L112 eAbstractionObserver]: Analyzing ICFG peterson.i [2022-11-15 13:38:08,024 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-15 13:38:08,030 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-15 13:38:08,030 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-11-15 13:38:08,031 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c9c88af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 01:38:08, skipping insertion in model container [2022-11-15 13:38:08,031 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-15 13:38:08,033 INFO L158 Benchmark]: Toolchain (without parser) took 814.26ms. Allocated memory is still 216.0MB. Free memory was 182.7MB in the beginning and 156.0MB in the end (delta: 26.7MB). Peak memory consumption was 27.3MB. Max. memory is 8.0GB. [2022-11-15 13:38:08,033 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 216.0MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 8.0GB. [2022-11-15 13:38:08,034 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.91ms. Allocated memory is still 216.0MB. Free memory was 182.4MB in the beginning and 174.8MB in the end (delta: 7.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. [2022-11-15 13:38:08,034 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.99ms. Allocated memory is still 216.0MB. Free memory was 174.8MB in the beginning and 172.9MB in the end (delta: 1.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-11-15 13:38:08,035 INFO L158 Benchmark]: Boogie Preprocessor took 34.88ms. Allocated memory is still 216.0MB. Free memory was 172.9MB in the beginning and 171.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 13:38:08,035 INFO L158 Benchmark]: RCFGBuilder took 305.58ms. Allocated memory is still 216.0MB. Free memory was 171.4MB in the beginning and 158.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. [2022-11-15 13:38:08,036 INFO L158 Benchmark]: TraceAbstraction took 18.45ms. Allocated memory is still 216.0MB. Free memory was 158.1MB in the beginning and 156.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-11-15 13:38:08,038 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 216.0MB. Free memory is still 173.5MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 412.91ms. Allocated memory is still 216.0MB. Free memory was 182.4MB in the beginning and 174.8MB in the end (delta: 7.6MB). Peak memory consumption was 9.4MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 30.99ms. Allocated memory is still 216.0MB. Free memory was 174.8MB in the beginning and 172.9MB in the end (delta: 1.9MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 34.88ms. Allocated memory is still 216.0MB. Free memory was 172.9MB in the beginning and 171.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * RCFGBuilder took 305.58ms. Allocated memory is still 216.0MB. Free memory was 171.4MB in the beginning and 158.7MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 8.0GB. * TraceAbstraction took 18.45ms. Allocated memory is still 216.0MB. Free memory was 158.1MB in the beginning and 156.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specification because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2022-11-15 13:38:08,057 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...