/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-Persistent-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9e34d99ae2c6837f487980c721c4b6acf9d9b15c-9e34d99 [2021-07-10 02:56:10,229 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-10 02:56:10,230 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-10 02:56:10,249 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-10 02:56:10,250 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-10 02:56:10,250 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-10 02:56:10,251 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-10 02:56:10,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-10 02:56:10,253 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-10 02:56:10,254 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-10 02:56:10,254 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-10 02:56:10,255 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-10 02:56:10,255 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-10 02:56:10,256 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-10 02:56:10,257 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-10 02:56:10,257 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-10 02:56:10,258 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-10 02:56:10,258 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-10 02:56:10,259 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-10 02:56:10,260 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-10 02:56:10,261 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-10 02:56:10,262 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-10 02:56:10,262 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-10 02:56:10,263 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-10 02:56:10,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-10 02:56:10,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-10 02:56:10,265 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-10 02:56:10,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-10 02:56:10,265 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-10 02:56:10,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-10 02:56:10,266 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-10 02:56:10,266 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-10 02:56:10,267 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-10 02:56:10,267 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-10 02:56:10,268 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-10 02:56:10,268 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-10 02:56:10,269 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-10 02:56:10,269 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-10 02:56:10,269 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-10 02:56:10,270 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-10 02:56:10,270 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-10 02:56:10,274 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-Persistent-NoLbe.epf [2021-07-10 02:56:10,300 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-10 02:56:10,300 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-10 02:56:10,300 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-10 02:56:10,300 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-10 02:56:10,301 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-10 02:56:10,301 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-10 02:56:10,301 INFO L138 SettingsManager]: * Use SBE=true [2021-07-10 02:56:10,302 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-10 02:56:10,302 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-10 02:56:10,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-10 02:56:10,303 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-10 02:56:10,303 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-10 02:56:10,303 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-10 02:56:10,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-10 02:56:10,303 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-10 02:56:10,303 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-10 02:56:10,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:56:10,304 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-10 02:56:10,304 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-10 02:56:10,304 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-10 02:56:10,304 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-10 02:56:10,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-10 02:56:10,304 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-10 02:56:10,304 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-10 02:56:10,304 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-10 02:56:10,305 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SETS [2021-07-10 02:56:10,305 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-10 02:56:10,539 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-10 02:56:10,557 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-10 02:56:10,560 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-10 02:56:10,561 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-10 02:56:10,561 INFO L275 PluginConnector]: CDTParser initialized [2021-07-10 02:56:10,562 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2021-07-10 02:56:10,606 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed1b2e9bb/5e47b5b1c9514f39b682d9d412070546/FLAGd48428d75 [2021-07-10 02:56:11,033 INFO L306 CDTParser]: Found 1 translation units. [2021-07-10 02:56:11,033 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2021-07-10 02:56:11,062 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed1b2e9bb/5e47b5b1c9514f39b682d9d412070546/FLAGd48428d75 [2021-07-10 02:56:11,076 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ed1b2e9bb/5e47b5b1c9514f39b682d9d412070546 [2021-07-10 02:56:11,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-10 02:56:11,083 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-10 02:56:11,084 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-10 02:56:11,085 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-10 02:56:11,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-10 02:56:11,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,088 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f332439 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11, skipping insertion in model container [2021-07-10 02:56:11,088 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,115 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-10 02:56:11,151 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-10 02:56:11,434 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2021-07-10 02:56:11,439 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 02:56:11,445 INFO L203 MainTranslator]: Completed pre-run [2021-07-10 02:56:11,478 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2021-07-10 02:56:11,480 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-10 02:56:11,513 INFO L208 MainTranslator]: Completed translation [2021-07-10 02:56:11,513 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11 WrapperNode [2021-07-10 02:56:11,513 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-10 02:56:11,514 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-10 02:56:11,514 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-10 02:56:11,514 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-10 02:56:11,518 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,542 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-10 02:56:11,543 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-10 02:56:11,543 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-10 02:56:11,543 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-10 02:56:11,547 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,547 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,549 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,549 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,552 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,553 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,554 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... [2021-07-10 02:56:11,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-10 02:56:11,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-10 02:56:11,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-10 02:56:11,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-10 02:56:11,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-10 02:56:11,614 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-10 02:56:11,615 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-10 02:56:11,615 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-10 02:56:11,616 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-10 02:56:11,616 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-10 02:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-10 02:56:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-10 02:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-10 02:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-10 02:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-10 02:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-10 02:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-10 02:56:11,617 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-10 02:56:11,617 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-10 02:56:11,618 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-10 02:56:11,931 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-10 02:56:11,931 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-10 02:56:11,933 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:11 BoogieIcfgContainer [2021-07-10 02:56:11,933 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-10 02:56:11,935 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-10 02:56:11,935 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-10 02:56:11,937 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-10 02:56:11,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.07 02:56:11" (1/3) ... [2021-07-10 02:56:11,938 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adc1fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:56:11, skipping insertion in model container [2021-07-10 02:56:11,938 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.07 02:56:11" (2/3) ... [2021-07-10 02:56:11,939 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5adc1fd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.07 02:56:11, skipping insertion in model container [2021-07-10 02:56:11,939 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.07 02:56:11" (3/3) ... [2021-07-10 02:56:11,940 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2021-07-10 02:56:11,944 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-10 02:56:11,944 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-10 02:56:11,944 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-10 02:56:11,944 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-10 02:56:11,968 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,969 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,970 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,971 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,972 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,972 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,972 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,972 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,972 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,975 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,975 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,975 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,978 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,978 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,979 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,980 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,980 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,980 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,981 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,982 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,984 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,984 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,984 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,988 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,988 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,988 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,989 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,990 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,991 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:11,991 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-10 02:56:12,010 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-07-10 02:56:12,026 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 02:56:12,070 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 02:56:12,070 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 02:56:12,070 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 02:56:12,070 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 02:56:12,070 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 02:56:12,070 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 02:56:12,071 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 02:56:12,071 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-10 02:56:12,409 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-10 02:56:12,410 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-10 02:56:12,423 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-10 02:56:12,423 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-10 02:56:12,423 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-10 02:56:12,423 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-10 02:56:12,423 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-10 02:56:12,423 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-10 02:56:12,423 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-10 02:56:12,423 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread3Thread1of1ForFork0======== [2021-07-10 02:56:12,525 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-10 02:56:12,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-10 02:56:12,529 INFO L82 PathProgramCache]: Analyzing trace with hash -2039316572, now seen corresponding path program 1 times [2021-07-10 02:56:12,534 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-10 02:56:12,535 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371482451] [2021-07-10 02:56:12,535 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-10 02:56:12,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 02:56:12,647 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 02:56:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-10 02:56:12,695 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-10 02:56:12,721 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-10 02:56:12,721 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-10 02:56:12,722 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-10 02:56:12,728 INFO L301 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork0 was UNSAFE (2/2) [2021-07-10 02:56:12,729 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-10 02:56:12,774 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.07 02:56:12 BasicIcfg [2021-07-10 02:56:12,774 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-10 02:56:12,775 INFO L168 Benchmark]: Toolchain (without parser) took 1691.89 ms. Allocated memory is still 213.9 MB. Free memory was 178.0 MB in the beginning and 133.9 MB in the end (delta: 44.1 MB). Peak memory consumption was 45.4 MB. Max. memory is 8.0 GB. [2021-07-10 02:56:12,775 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 213.9 MB. Free memory is still 196.0 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-10 02:56:12,776 INFO L168 Benchmark]: CACSL2BoogieTranslator took 428.90 ms. Allocated memory is still 213.9 MB. Free memory was 177.8 MB in the beginning and 188.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-07-10 02:56:12,776 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.25 ms. Allocated memory is still 213.9 MB. Free memory was 188.0 MB in the beginning and 186.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-10 02:56:12,776 INFO L168 Benchmark]: Boogie Preprocessor took 12.61 ms. Allocated memory is still 213.9 MB. Free memory was 185.9 MB in the beginning and 184.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-10 02:56:12,777 INFO L168 Benchmark]: RCFGBuilder took 377.10 ms. Allocated memory is still 213.9 MB. Free memory was 184.7 MB in the beginning and 160.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-10 02:56:12,777 INFO L168 Benchmark]: TraceAbstraction took 838.87 ms. Allocated memory is still 213.9 MB. Free memory was 159.8 MB in the beginning and 133.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 8.0 GB. [2021-07-10 02:56:12,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 213.9 MB. Free memory is still 196.0 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 428.90 ms. Allocated memory is still 213.9 MB. Free memory was 177.8 MB in the beginning and 188.0 MB in the end (delta: -10.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 28.25 ms. Allocated memory is still 213.9 MB. Free memory was 188.0 MB in the beginning and 186.3 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.61 ms. Allocated memory is still 213.9 MB. Free memory was 185.9 MB in the beginning and 184.7 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 377.10 ms. Allocated memory is still 213.9 MB. Free memory was 184.7 MB in the beginning and 160.2 MB in the end (delta: 24.5 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 838.87 ms. Allocated memory is still 213.9 MB. Free memory was 159.8 MB in the beginning and 133.9 MB in the end (delta: 25.9 MB). Peak memory consumption was 27.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3322, positive: 3293, positive conditional: 0, positive unconditional: 3293, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3322, positive: 3293, positive conditional: 0, positive unconditional: 3293, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3322, positive: 3293, positive conditional: 0, positive unconditional: 3293, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1371, positive: 1353, positive conditional: 0, positive unconditional: 1353, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1371, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3322, positive: 1940, positive conditional: 0, positive unconditional: 1940, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 1371, unknown conditional: 0, unknown unconditional: 1371] , Statistics on independence cache: Total cache size (in pairs): 1371, Positive cache size: 1353, Positive conditional cache size: 0, Positive unconditional cache size: 1353, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 215, Number of persistent set computation: 564, Number of trivial persistent sets: 564, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 3322, positive: 3293, positive conditional: 0, positive unconditional: 3293, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 3322, positive: 3293, positive conditional: 0, positive unconditional: 3293, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 3322, positive: 3293, positive conditional: 0, positive unconditional: 3293, negative: 29, negative conditional: 0, negative unconditional: 29, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1371, positive: 1353, positive conditional: 0, positive unconditional: 1353, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1371, positive: 1346, positive conditional: 0, positive unconditional: 1346, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 108, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 92, negative conditional: 0, negative unconditional: 92, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3322, positive: 1940, positive conditional: 0, positive unconditional: 1940, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 1371, unknown conditional: 0, unknown unconditional: 1371] , Statistics on independence cache: Total cache size (in pairs): 1371, Positive cache size: 1353, Positive conditional cache size: 0, Positive unconditional cache size: 1353, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2684, positive: 2664, positive conditional: 0, positive unconditional: 2664, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2684, positive: 2664, positive conditional: 0, positive unconditional: 2664, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2684, positive: 2664, positive conditional: 0, positive unconditional: 2664, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1245, positive: 1231, positive conditional: 0, positive unconditional: 1231, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1245, positive: 1227, positive conditional: 0, positive unconditional: 1227, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2684, positive: 1433, positive conditional: 0, positive unconditional: 1433, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1245, unknown conditional: 0, unknown unconditional: 1245] , Statistics on independence cache: Total cache size (in pairs): 1245, Positive cache size: 1231, Positive conditional cache size: 0, Positive unconditional cache size: 1231, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 94, Number of persistent set computation: 57, Number of trivial persistent sets: 52, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2684, positive: 2664, positive conditional: 0, positive unconditional: 2664, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2684, positive: 2664, positive conditional: 0, positive unconditional: 2664, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2684, positive: 2664, positive conditional: 0, positive unconditional: 2664, negative: 20, negative conditional: 0, negative unconditional: 20, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1245, positive: 1231, positive conditional: 0, positive unconditional: 1231, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1245, positive: 1227, positive conditional: 0, positive unconditional: 1227, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 18, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 83, positive: 10, positive conditional: 0, positive unconditional: 10, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2684, positive: 1433, positive conditional: 0, positive unconditional: 1433, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 1245, unknown conditional: 0, unknown unconditional: 1245] , Statistics on independence cache: Total cache size (in pairs): 1245, Positive cache size: 1231, Positive conditional cache size: 0, Positive unconditional cache size: 1231, Negative cache size: 14, Negative conditional cache size: 0, Negative unconditional cache size: 14 ], Maximal queried relation: 0, Independence queries for same thread: 0 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L702] 0 pthread_mutex_t mutex; VAL [mutex={7:0}] [L703] 0 int data = 0; VAL [data=0, mutex={7:0}] [L731] 0 pthread_t t1, t2, t3; VAL [data=0, mutex={7:0}] [L732] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={7:0}] [L707] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L709] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L733] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L714] 2 data+=2 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L716] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L734] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L721] COND TRUE 3 data >= 3 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L722] 3 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 118 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 364.8ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 14.6ms, PartialOrderReductionTime: 317.3ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread3Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 118 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 315.5ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 2.9ms, PartialOrderReductionTime: 98.6ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 3.7ms SsaConstructionTime, 67.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...