/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i -------------------------------------------------------------------------------- This is Ultimate 0.2.2-?-bc289cb [2022-01-28 22:30:39,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-01-28 22:30:39,022 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-01-28 22:30:39,066 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-01-28 22:30:39,067 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-01-28 22:30:39,067 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-01-28 22:30:39,068 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-01-28 22:30:39,069 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-01-28 22:30:39,070 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-01-28 22:30:39,074 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-01-28 22:30:39,075 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-01-28 22:30:39,083 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-01-28 22:30:39,083 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-01-28 22:30:39,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-01-28 22:30:39,089 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-01-28 22:30:39,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-01-28 22:30:39,090 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-01-28 22:30:39,090 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-01-28 22:30:39,091 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-01-28 22:30:39,092 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-01-28 22:30:39,093 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-01-28 22:30:39,101 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-01-28 22:30:39,104 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-01-28 22:30:39,105 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-01-28 22:30:39,110 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2022-01-28 22:30:39,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-01-28 22:30:39,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-01-28 22:30:39,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-01-28 22:30:39,113 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-01-28 22:30:39,114 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-01-28 22:30:39,114 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-01-28 22:30:39,114 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-01-28 22:30:39,115 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-01-28 22:30:39,115 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-01-28 22:30:39,115 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-01-28 22:30:39,116 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-01-28 22:30:39,120 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe.epf [2022-01-28 22:30:39,144 INFO L113 SettingsManager]: Loading preferences was successful [2022-01-28 22:30:39,144 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-01-28 22:30:39,144 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-01-28 22:30:39,144 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-01-28 22:30:39,145 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-01-28 22:30:39,145 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-01-28 22:30:39,145 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-01-28 22:30:39,145 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-01-28 22:30:39,145 INFO L138 SettingsManager]: * Use SBE=true [2022-01-28 22:30:39,145 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * sizeof long=4 [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * sizeof long double=12 [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * Use constant arrays=true [2022-01-28 22:30:39,146 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-01-28 22:30:39,146 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-01-28 22:30:39,147 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-01-28 22:30:39,147 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-01-28 22:30:39,147 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-01-28 22:30:39,150 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 22:30:39,151 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-01-28 22:30:39,151 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-01-28 22:30:39,151 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-01-28 22:30:39,151 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-01-28 22:30:39,151 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-01-28 22:30:39,151 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-01-28 22:30:39,152 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-01-28 22:30:39,152 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-01-28 22:30:39,153 INFO L138 SettingsManager]: * CEGAR restart behaviour=ONE_CEGAR_PER_THREAD_INSTANCE [2022-01-28 22:30:39,153 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2022-01-28 22:30:39,153 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-01-28 22:30:39,348 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-01-28 22:30:39,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-01-28 22:30:39,369 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-01-28 22:30:39,371 INFO L271 PluginConnector]: Initializing CDTParser... [2022-01-28 22:30:39,373 INFO L275 PluginConnector]: CDTParser initialized [2022-01-28 22:30:39,374 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2022-01-28 22:30:39,427 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9bc3562/deb7ecd4c9f84514a3dc98c7da33491a/FLAG2df92c51c [2022-01-28 22:30:39,757 INFO L306 CDTParser]: Found 1 translation units. [2022-01-28 22:30:39,758 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i [2022-01-28 22:30:39,768 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9bc3562/deb7ecd4c9f84514a3dc98c7da33491a/FLAG2df92c51c [2022-01-28 22:30:40,171 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cd9bc3562/deb7ecd4c9f84514a3dc98c7da33491a [2022-01-28 22:30:40,173 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-01-28 22:30:40,173 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-01-28 22:30:40,179 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-01-28 22:30:40,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-01-28 22:30:40,181 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-01-28 22:30:40,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,183 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ee9c207 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40, skipping insertion in model container [2022-01-28 22:30:40,183 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,189 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-01-28 22:30:40,215 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-01-28 22:30:40,497 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30382,30395] [2022-01-28 22:30:40,505 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30752,30765] [2022-01-28 22:30:40,512 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 22:30:40,519 INFO L203 MainTranslator]: Completed pre-run [2022-01-28 22:30:40,551 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30382,30395] [2022-01-28 22:30:40,553 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread-ext/23_lu-fig2.fixed.i[30752,30765] [2022-01-28 22:30:40,557 INFO L209 PostProcessor]: Analyzing one entry point: main [2022-01-28 22:30:40,585 INFO L208 MainTranslator]: Completed translation [2022-01-28 22:30:40,586 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40 WrapperNode [2022-01-28 22:30:40,586 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-01-28 22:30:40,587 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-01-28 22:30:40,587 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-01-28 22:30:40,587 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-01-28 22:30:40,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,615 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,638 INFO L137 Inliner]: procedures = 172, calls = 20, calls flagged for inlining = 11, calls inlined = 13, statements flattened = 88 [2022-01-28 22:30:40,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-01-28 22:30:40,639 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-01-28 22:30:40,639 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-01-28 22:30:40,639 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-01-28 22:30:40,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,649 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,649 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,664 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,668 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,669 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-01-28 22:30:40,670 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-01-28 22:30:40,670 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-01-28 22:30:40,670 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-01-28 22:30:40,673 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (1/1) ... [2022-01-28 22:30:40,678 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-01-28 22:30:40,686 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:30:40,696 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) [2022-01-28 22:30:40,703 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 [2022-01-28 22:30:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure thr1 [2022-01-28 22:30:40,723 INFO L138 BoogieDeclarations]: Found implementation of procedure thr1 [2022-01-28 22:30:40,723 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-01-28 22:30:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-01-28 22:30:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-01-28 22:30:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-01-28 22:30:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-01-28 22:30:40,724 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-01-28 22:30:40,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-01-28 22:30:40,725 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-01-28 22:30:40,843 INFO L234 CfgBuilder]: Building ICFG [2022-01-28 22:30:40,844 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-01-28 22:30:41,030 INFO L275 CfgBuilder]: Performing block encoding [2022-01-28 22:30:41,083 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-01-28 22:30:41,084 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2022-01-28 22:30:41,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:30:41 BoogieIcfgContainer [2022-01-28 22:30:41,085 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-01-28 22:30:41,086 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-01-28 22:30:41,086 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-01-28 22:30:41,090 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-01-28 22:30:41,090 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:30:40" (1/3) ... [2022-01-28 22:30:41,090 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3221f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:30:41, skipping insertion in model container [2022-01-28 22:30:41,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:30:40" (2/3) ... [2022-01-28 22:30:41,091 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1c3221f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:30:41, skipping insertion in model container [2022-01-28 22:30:41,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:30:41" (3/3) ... [2022-01-28 22:30:41,092 INFO L111 eAbstractionObserver]: Analyzing ICFG 23_lu-fig2.fixed.i [2022-01-28 22:30:41,095 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-01-28 22:30:41,096 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-01-28 22:30:41,096 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 2 error locations. [2022-01-28 22:30:41,096 INFO L513 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-01-28 22:30:41,111 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,111 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,111 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,111 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,111 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,111 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#in~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,112 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,113 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,114 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,116 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~arg#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_~PR_CreateThread__RES~0#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_assume_abort_if_not_#in~cond#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0_#res#1.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,117 WARN L322 ript$VariableManager]: TermVariabe |thr1Thread1of1ForFork0___VERIFIER_atomic_thr1_#in~PR_CreateThread__RES#1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2022-01-28 22:30:41,118 INFO L148 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2022-01-28 22:30:41,158 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 22:30:41,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:30:41,159 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 22:30:41,160 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2022-01-28 22:30:41,185 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == thr1Thread1of1ForFork0 ======== [2022-01-28 22:30:41,191 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 22:30:41,192 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2022-01-28 22:30:41,276 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting thr1Err0ASSERT_VIOLATIONERROR_FUNCTION === [thr1Err0ASSERT_VIOLATIONERROR_FUNCTION] === [2022-01-28 22:30:41,279 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:30:41,279 INFO L85 PathProgramCache]: Analyzing trace with hash 33523167, now seen corresponding path program 1 times [2022-01-28 22:30:41,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:30:41,286 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2119607868] [2022-01-28 22:30:41,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:30:41,286 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:30:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:30:41,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:30:41,464 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:30:41,464 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2119607868] [2022-01-28 22:30:41,465 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2119607868] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:30:41,465 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:30:41,465 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 22:30:41,466 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950570946] [2022-01-28 22:30:41,466 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:30:41,469 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 22:30:41,469 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:30:41,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 22:30:41,488 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 22:30:41,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,490 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:30:41,491 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 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) [2022-01-28 22:30:41,491 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:30:41,551 INFO L764 garLoopResultBuilder]: Registering result SAFE for location thr1Err0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2022-01-28 22:30:41,551 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-01-28 22:30:41,557 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2022-01-28 22:30:41,558 INFO L308 ceAbstractionStarter]: Result for error location thr1Thread1of1ForFork0 was SAFE (1/2) [2022-01-28 22:30:41,560 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2022-01-28 22:30:41,560 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-01-28 22:30:41,561 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2022-01-28 22:30:41,562 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Waiting until timeout for monitored process [2022-01-28 22:30:41,596 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2022-01-28 22:30:41,597 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2022-01-28 22:30:41,597 INFO L340 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2022-01-28 22:30:41,653 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 22:30:41,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:30:41,654 INFO L85 PathProgramCache]: Analyzing trace with hash 2076453122, now seen corresponding path program 1 times [2022-01-28 22:30:41,654 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:30:41,654 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209252002] [2022-01-28 22:30:41,654 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:30:41,654 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:30:41,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:30:41,683 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:30:41,683 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:30:41,683 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209252002] [2022-01-28 22:30:41,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209252002] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:30:41,684 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:30:41,684 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-01-28 22:30:41,684 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770008477] [2022-01-28 22:30:41,684 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:30:41,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2022-01-28 22:30:41,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:30:41,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2022-01-28 22:30:41,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2022-01-28 22:30:41,685 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,685 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:30:41,685 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 16.5) internal successors, (33), 2 states have internal predecessors, (33), 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) [2022-01-28 22:30:41,685 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,694 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-01-28 22:30:41,694 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 22:30:41,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:30:41,695 INFO L85 PathProgramCache]: Analyzing trace with hash 2076482913, now seen corresponding path program 1 times [2022-01-28 22:30:41,695 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:30:41,695 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [222868759] [2022-01-28 22:30:41,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:30:41,695 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:30:41,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:30:41,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:30:41,729 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:30:41,729 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [222868759] [2022-01-28 22:30:41,729 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [222868759] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:30:41,729 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:30:41,729 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 22:30:41,729 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710385238] [2022-01-28 22:30:41,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:30:41,730 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2022-01-28 22:30:41,730 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:30:41,731 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-01-28 22:30:41,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-01-28 22:30:41,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,731 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:30:41,731 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 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) [2022-01-28 22:30:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,731 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:30:41,792 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-01-28 22:30:41,792 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 22:30:41,793 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:30:41,793 INFO L85 PathProgramCache]: Analyzing trace with hash -1321574557, now seen corresponding path program 1 times [2022-01-28 22:30:41,793 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:30:41,793 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [472292263] [2022-01-28 22:30:41,793 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:30:41,793 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:30:41,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:30:41,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-01-28 22:30:41,873 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:30:41,874 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [472292263] [2022-01-28 22:30:41,874 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [472292263] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:30:41,874 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:30:41,874 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2022-01-28 22:30:41,874 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [639224316] [2022-01-28 22:30:41,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:30:41,875 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-28 22:30:41,875 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:30:41,875 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-28 22:30:41,875 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2022-01-28 22:30:41,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,875 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:30:41,876 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 9.25) internal successors, (37), 4 states have internal predecessors, (37), 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) [2022-01-28 22:30:41,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:30:41,876 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:41,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:30:41,934 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:30:41,934 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-01-28 22:30:41,934 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION] === [2022-01-28 22:30:41,935 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-01-28 22:30:41,935 INFO L85 PathProgramCache]: Analyzing trace with hash -855397515, now seen corresponding path program 1 times [2022-01-28 22:30:41,935 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-01-28 22:30:41,935 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [302991739] [2022-01-28 22:30:41,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-01-28 22:30:41,935 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-01-28 22:30:41,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-01-28 22:30:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-01-28 22:30:42,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-01-28 22:30:42,012 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [302991739] [2022-01-28 22:30:42,012 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [302991739] provided 1 perfect and 0 imperfect interpolant sequences [2022-01-28 22:30:42,019 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-01-28 22:30:42,019 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-01-28 22:30:42,019 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385068597] [2022-01-28 22:30:42,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-01-28 22:30:42,020 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2022-01-28 22:30:42,020 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-01-28 22:30:42,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-01-28 22:30:42,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-01-28 22:30:42,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:42,021 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2022-01-28 22:30:42,021 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-01-28 22:30:42,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:42,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:30:42,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:30:42,021 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2022-01-28 22:30:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-01-28 22:30:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:30:42,071 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-01-28 22:30:42,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (1 of 2 remaining) [2022-01-28 22:30:42,072 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATION (0 of 2 remaining) [2022-01-28 22:30:42,072 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-01-28 22:30:42,074 INFO L732 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2022-01-28 22:30:42,074 INFO L308 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE,SAFE (2/2) [2022-01-28 22:30:42,074 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-01-28 22:30:42,074 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2022-01-28 22:30:42,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:30:42 BasicIcfg [2022-01-28 22:30:42,077 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-01-28 22:30:42,078 INFO L158 Benchmark]: Toolchain (without parser) took 1904.16ms. Allocated memory is still 180.4MB. Free memory was 129.4MB in the beginning and 60.2MB in the end (delta: 69.2MB). Peak memory consumption was 69.7MB. Max. memory is 8.0GB. [2022-01-28 22:30:42,078 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. [2022-01-28 22:30:42,078 INFO L158 Benchmark]: CACSL2BoogieTranslator took 407.38ms. Allocated memory is still 180.4MB. Free memory was 129.1MB in the beginning and 149.2MB in the end (delta: -20.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. [2022-01-28 22:30:42,079 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.52ms. Allocated memory is still 180.4MB. Free memory was 149.2MB in the beginning and 147.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. [2022-01-28 22:30:42,079 INFO L158 Benchmark]: Boogie Preprocessor took 30.62ms. Allocated memory is still 180.4MB. Free memory was 147.2MB in the beginning and 145.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-01-28 22:30:42,079 INFO L158 Benchmark]: RCFGBuilder took 415.62ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 129.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. [2022-01-28 22:30:42,080 INFO L158 Benchmark]: TraceAbstraction took 990.84ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 60.2MB in the end (delta: 68.7MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. [2022-01-28 22:30:42,081 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 180.4MB. Free memory is still 147.2MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 407.38ms. Allocated memory is still 180.4MB. Free memory was 129.1MB in the beginning and 149.2MB in the end (delta: -20.2MB). Peak memory consumption was 11.5MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 51.52ms. Allocated memory is still 180.4MB. Free memory was 149.2MB in the beginning and 147.2MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 8.0GB. * Boogie Preprocessor took 30.62ms. Allocated memory is still 180.4MB. Free memory was 147.2MB in the beginning and 145.6MB in the end (delta: 1.6MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 415.62ms. Allocated memory is still 180.4MB. Free memory was 145.6MB in the beginning and 129.4MB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 8.0GB. * TraceAbstraction took 990.84ms. Allocated memory is still 180.4MB. Free memory was 128.9MB in the beginning and 60.2MB in the end (delta: 68.7MB). Peak memory consumption was 69.2MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 328, positive: 291, positive conditional: 78, positive unconditional: 213, negative: 37, negative conditional: 28, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 306, positive: 291, positive conditional: 78, positive unconditional: 213, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 306, positive: 291, positive conditional: 78, positive unconditional: 213, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 312, positive: 291, positive conditional: 72, positive unconditional: 219, negative: 21, negative conditional: 6, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 312, positive: 291, positive conditional: 45, positive unconditional: 246, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 312, positive: 291, positive conditional: 45, positive unconditional: 246, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 2, positive unconditional: 213, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 207, positive conditional: 0, positive unconditional: 207, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 2, positive unconditional: 6, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 39, positive conditional: 3, positive unconditional: 36, negative: 20, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 312, positive: 76, positive conditional: 43, positive unconditional: 33, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 226, unknown conditional: 4, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 215, Positive conditional cache size: 2, Positive unconditional cache size: 213, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 30, Maximal queried relation: 1, Independence queries for same thread: 22 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 59, Number of trivial persistent sets: 54, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 222, positive: 213, positive conditional: 0, positive unconditional: 213, negative: 9, negative conditional: 0, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 328, positive: 291, positive conditional: 78, positive unconditional: 213, negative: 37, negative conditional: 28, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 306, positive: 291, positive conditional: 78, positive unconditional: 213, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 306, positive: 291, positive conditional: 78, positive unconditional: 213, negative: 15, negative conditional: 6, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 312, positive: 291, positive conditional: 72, positive unconditional: 219, negative: 21, negative conditional: 6, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 312, positive: 291, positive conditional: 45, positive unconditional: 246, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 312, positive: 291, positive conditional: 45, positive unconditional: 246, negative: 21, negative conditional: 3, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 226, positive: 215, positive conditional: 2, positive unconditional: 213, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 226, positive: 207, positive conditional: 0, positive unconditional: 207, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 19, positive: 8, positive conditional: 2, positive unconditional: 6, negative: 11, negative conditional: 2, negative unconditional: 9, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 58, positive: 39, positive conditional: 3, positive unconditional: 36, negative: 20, negative conditional: 3, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 312, positive: 76, positive conditional: 43, positive unconditional: 33, negative: 10, negative conditional: 1, negative unconditional: 9, unknown: 226, unknown conditional: 4, unknown unconditional: 222] , Statistics on independence cache: Total cache size (in pairs): 226, Positive cache size: 215, Positive conditional cache size: 2, Positive unconditional cache size: 213, Negative cache size: 11, Negative conditional cache size: 2, Negative unconditional cache size: 9, Eliminated conditions: 30, Maximal queried relation: 1, Independence queries for same thread: 22 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 410, positive: 351, positive conditional: 144, positive unconditional: 207, negative: 59, negative conditional: 49, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 368, positive: 351, positive conditional: 144, positive unconditional: 207, negative: 17, negative conditional: 7, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 368, positive: 351, positive conditional: 144, positive unconditional: 207, negative: 17, negative conditional: 7, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381, positive: 351, positive conditional: 100, positive unconditional: 251, negative: 30, negative conditional: 13, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 381, positive: 351, positive conditional: 29, positive unconditional: 322, negative: 30, negative conditional: 7, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 381, positive: 351, positive conditional: 29, positive unconditional: 322, negative: 30, negative conditional: 7, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 222, positive: 209, positive conditional: 1, positive unconditional: 208, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 222, positive: 201, positive conditional: 0, positive unconditional: 201, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 18, positive conditional: 1, positive unconditional: 17, negative: 47, negative conditional: 7, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 381, positive: 142, positive conditional: 28, positive unconditional: 114, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 222, unknown conditional: 4, unknown unconditional: 218] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 209, Positive conditional cache size: 1, Positive unconditional cache size: 208, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Eliminated conditions: 77, Maximal queried relation: 3, Independence queries for same thread: 42 - StatisticsResult: Persistent set benchmarks Persistent set computation time: 0.1s, Number of persistent set computation: 51, Number of trivial persistent sets: 37, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 217, positive: 207, positive conditional: 0, positive unconditional: 207, negative: 10, negative conditional: 0, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 410, positive: 351, positive conditional: 144, positive unconditional: 207, negative: 59, negative conditional: 49, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 368, positive: 351, positive conditional: 144, positive unconditional: 207, negative: 17, negative conditional: 7, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 368, positive: 351, positive conditional: 144, positive unconditional: 207, negative: 17, negative conditional: 7, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 381, positive: 351, positive conditional: 100, positive unconditional: 251, negative: 30, negative conditional: 13, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 381, positive: 351, positive conditional: 29, positive unconditional: 322, negative: 30, negative conditional: 7, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 381, positive: 351, positive conditional: 29, positive unconditional: 322, negative: 30, negative conditional: 7, negative unconditional: 23, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 222, positive: 209, positive conditional: 1, positive unconditional: 208, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 222, positive: 201, positive conditional: 0, positive unconditional: 201, negative: 21, negative conditional: 0, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 21, positive: 8, positive conditional: 1, positive unconditional: 7, negative: 13, negative conditional: 3, negative unconditional: 10, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 65, positive: 18, positive conditional: 1, positive unconditional: 17, negative: 47, negative conditional: 7, negative unconditional: 40, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 381, positive: 142, positive conditional: 28, positive unconditional: 114, negative: 17, negative conditional: 4, negative unconditional: 13, unknown: 222, unknown conditional: 4, unknown unconditional: 218] , Statistics on independence cache: Total cache size (in pairs): 222, Positive cache size: 209, Positive conditional cache size: 1, Positive unconditional cache size: 208, Negative cache size: 13, Negative conditional cache size: 3, Negative unconditional cache size: 10, Eliminated conditions: 77, Maximal queried relation: 3, Independence queries for same thread: 42 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 707]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 721]: 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 for errors in thread instance: thr1Thread1of1ForFork0 with 1 thread instances CFG has 3 procedures, 66 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.1s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, 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, 0.1s InterpolantComputationTime, 26 NumberOfCodeBlocks, 26 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 25 ConstructedInterpolants, 0 QuantifiedInterpolants, 53 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 66 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.2s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 13, 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, 0.2s InterpolantComputationTime, 143 NumberOfCodeBlocks, 143 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 139 ConstructedInterpolants, 0 QuantifiedInterpolants, 264 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 1/1 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! [2022-01-28 22:30:42,144 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (3)] Forceful destruction successful, exit code 0 [2022-01-28 22:30:42,353 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2022-01-28 22:30:42,552 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...