/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-NewStatesSleep-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 05:01:14,956 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 05:01:14,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 05:01:14,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-07-14 05:01:14,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-07-14 05:01:14,976 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-07-14 05:01:14,976 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-07-14 05:01:14,994 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-07-14 05:01:14,995 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-07-14 05:01:14,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-07-14 05:01:14,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-07-14 05:01:14,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-07-14 05:01:14,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-07-14 05:01:14,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-07-14 05:01:14,998 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-07-14 05:01:14,999 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-07-14 05:01:15,000 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-07-14 05:01:15,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-07-14 05:01:15,001 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-07-14 05:01:15,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-07-14 05:01:15,003 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-07-14 05:01:15,004 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-07-14 05:01:15,005 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-07-14 05:01:15,006 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-07-14 05:01:15,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-07-14 05:01:15,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-07-14 05:01:15,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-07-14 05:01:15,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-07-14 05:01:15,010 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-07-14 05:01:15,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-07-14 05:01:15,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-07-14 05:01:15,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-07-14 05:01:15,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-07-14 05:01:15,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-07-14 05:01:15,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-07-14 05:01:15,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-07-14 05:01:15,013 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-07-14 05:01:15,013 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-07-14 05:01:15,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 05:01:15,014 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 05:01:15,015 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 05:01:15,019 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-NewStatesSleep-NoLbe-Lockstep.epf [2021-07-14 05:01:15,057 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 05:01:15,057 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 05:01:15,057 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 05:01:15,057 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 05:01:15,058 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 05:01:15,058 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 05:01:15,058 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 05:01:15,058 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 05:01:15,058 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 05:01:15,059 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 05:01:15,059 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 05:01:15,060 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-07-14 05:01:15,060 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 05:01:15,061 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 05:01:15,061 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 05:01:15,061 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 05:01:15,061 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_NEW_STATES [2021-07-14 05:01:15,061 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 05:01:15,323 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 05:01:15,343 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 05:01:15,344 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 05:01:15,345 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 05:01:15,346 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 05:01:15,346 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2021-07-14 05:01:15,399 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e930818a7/713a1d1a11444567b3b18094508d379d/FLAG19dd2eb2f [2021-07-14 05:01:15,836 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 05:01:15,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2021-07-14 05:01:15,853 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e930818a7/713a1d1a11444567b3b18094508d379d/FLAG19dd2eb2f [2021-07-14 05:01:15,866 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e930818a7/713a1d1a11444567b3b18094508d379d [2021-07-14 05:01:15,869 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 05:01:15,871 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 05:01:15,873 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 05:01:15,873 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 05:01:15,876 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 05:01:15,876 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:01:15" (1/1) ... [2021-07-14 05:01:15,877 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d55ce17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:15, skipping insertion in model container [2021-07-14 05:01:15,877 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 05:01:15" (1/1) ... [2021-07-14 05:01:15,884 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 05:01:15,919 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 05:01:16,182 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] [2021-07-14 05:01:16,189 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:01:16,197 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 05:01:16,228 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] [2021-07-14 05:01:16,230 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 05:01:16,257 INFO L208 MainTranslator]: Completed translation [2021-07-14 05:01:16,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16 WrapperNode [2021-07-14 05:01:16,257 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 05:01:16,258 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 05:01:16,258 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 05:01:16,258 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 05:01:16,262 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,285 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,296 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 05:01:16,297 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 05:01:16,297 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 05:01:16,297 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 05:01:16,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,301 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,303 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,303 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,308 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (1/1) ... [2021-07-14 05:01:16,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 05:01:16,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 05:01:16,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 05:01:16,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 05:01:16,311 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (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 [2021-07-14 05:01:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 05:01:16,360 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 05:01:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 05:01:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 05:01:16,361 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 05:01:16,361 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 05:01:16,362 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 05:01:16,362 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 05:01:16,656 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 05:01:16,656 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-14 05:01:16,658 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:01:16 BoogieIcfgContainer [2021-07-14 05:01:16,658 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 05:01:16,659 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 05:01:16,660 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 05:01:16,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 05:01:16,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 05:01:15" (1/3) ... [2021-07-14 05:01:16,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60453e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:01:16, skipping insertion in model container [2021-07-14 05:01:16,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 05:01:16" (2/3) ... [2021-07-14 05:01:16,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@60453e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 05:01:16, skipping insertion in model container [2021-07-14 05:01:16,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 05:01:16" (3/3) ... [2021-07-14 05:01:16,664 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2021-07-14 05:01:16,670 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 05:01:16,670 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 05:01:16,670 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 05:01:16,670 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 05:01:16,697 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,697 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,697 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,697 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,698 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,698 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,699 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,700 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,701 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,701 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,701 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,701 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,704 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,704 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,705 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,706 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,707 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,708 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,709 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,709 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,709 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,710 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,710 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,710 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,710 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,710 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,711 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,712 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,713 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,714 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,714 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,714 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,714 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,718 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,718 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,718 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,718 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,718 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,718 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,720 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,720 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,721 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,721 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 05:01:16,744 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-07-14 05:01:16,760 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 [2021-07-14 05:01:16,806 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:01:16,806 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:01:16,806 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:01:16,807 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:01:16,807 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:01:16,807 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:01:16,807 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:01:16,807 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 05:01:16,972 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 05:01:16,974 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 [2021-07-14 05:01:16,978 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 05:01:16,978 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 05:01:16,978 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 05:01:16,978 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 05:01:16,978 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 05:01:16,978 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 05:01:16,978 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 05:01:16,979 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread3Thread1of1ForFork0======== [2021-07-14 05:01:16,988 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 05:01:16,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 05:01:16,991 INFO L82 PathProgramCache]: Analyzing trace with hash 954854990, now seen corresponding path program 1 times [2021-07-14 05:01:16,996 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 05:01:16,996 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [474303881] [2021-07-14 05:01:16,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 05:01:17,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 05:01:17,095 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 05:01:17,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 05:01:17,171 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 05:01:17,197 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 05:01:17,197 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 05:01:17,197 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 05:01:17,198 INFO L301 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork0 was UNSAFE (2/2) [2021-07-14 05:01:17,199 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 05:01:17,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 05:01:17 BasicIcfg [2021-07-14 05:01:17,257 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 05:01:17,259 INFO L168 Benchmark]: Toolchain (without parser) took 1387.52 ms. Allocated memory is still 187.7 MB. Free memory was 150.3 MB in the beginning and 77.4 MB in the end (delta: 72.9 MB). Peak memory consumption was 72.0 MB. Max. memory is 8.0 GB. [2021-07-14 05:01:17,259 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 187.7 MB. Free memory was 168.4 MB in the beginning and 168.3 MB in the end (delta: 102.5 kB). There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 05:01:17,260 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.17 ms. Allocated memory is still 187.7 MB. Free memory was 150.2 MB in the beginning and 160.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. [2021-07-14 05:01:17,260 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.37 ms. Allocated memory is still 187.7 MB. Free memory was 160.3 MB in the beginning and 158.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 05:01:17,260 INFO L168 Benchmark]: Boogie Preprocessor took 12.97 ms. Allocated memory is still 187.7 MB. Free memory was 158.7 MB in the beginning and 157.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-07-14 05:01:17,261 INFO L168 Benchmark]: RCFGBuilder took 348.13 ms. Allocated memory is still 187.7 MB. Free memory was 157.1 MB in the beginning and 132.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-07-14 05:01:17,261 INFO L168 Benchmark]: TraceAbstraction took 598.05 ms. Allocated memory is still 187.7 MB. Free memory was 131.4 MB in the beginning and 77.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 MB. Max. memory is 8.0 GB. [2021-07-14 05:01:17,263 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 187.7 MB. Free memory was 168.4 MB in the beginning and 168.3 MB in the end (delta: 102.5 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 384.17 ms. Allocated memory is still 187.7 MB. Free memory was 150.2 MB in the beginning and 160.8 MB in the end (delta: -10.6 MB). Peak memory consumption was 11.2 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 38.37 ms. Allocated memory is still 187.7 MB. Free memory was 160.3 MB in the beginning and 158.7 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 12.97 ms. Allocated memory is still 187.7 MB. Free memory was 158.7 MB in the beginning and 157.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 348.13 ms. Allocated memory is still 187.7 MB. Free memory was 157.1 MB in the beginning and 132.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 598.05 ms. Allocated memory is still 187.7 MB. Free memory was 131.4 MB in the beginning and 77.4 MB in the end (delta: 54.0 MB). Peak memory consumption was 53.5 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: 1027, positive: 1012, positive conditional: 1012, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 1027, positive: 1012, positive conditional: 1012, positive unconditional: 0, negative: 15, negative conditional: 15, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 1027, positive: 1012, positive conditional: 0, positive unconditional: 1012, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 234, positive: 230, positive conditional: 0, positive unconditional: 230, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 234, positive: 228, positive conditional: 0, positive unconditional: 228, negative: 6, negative conditional: 0, negative unconditional: 6, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 6, positive: 2, positive conditional: 0, positive unconditional: 2, negative: 4, negative conditional: 0, negative unconditional: 4, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 49, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 47, negative conditional: 0, negative unconditional: 47, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1027, positive: 782, positive conditional: 0, positive unconditional: 782, negative: 11, negative conditional: 0, negative unconditional: 11, unknown: 234, unknown conditional: 0, unknown unconditional: 234] , Statistics on independence cache: Total cache size (in pairs): 234, Positive cache size: 230, Positive conditional cache size: 0, Positive unconditional cache size: 230, Negative cache size: 4, Negative conditional cache size: 0, Negative unconditional cache size: 4 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 55, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 55, positive: 55, positive conditional: 55, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 55, positive: 55, positive conditional: 0, positive unconditional: 55, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 47, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 47, positive: 47, positive conditional: 0, positive unconditional: 47, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 55, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 47, unknown conditional: 0, unknown unconditional: 47] , Statistics on independence cache: Total cache size (in pairs): 47, Positive cache size: 47, Positive conditional cache size: 0, Positive unconditional cache size: 47, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], 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=0, data++=0, mutex={7:0}] [L707] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, data++=0, mutex={7:0}] [L733] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, 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}, 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}] [L735] 0 \read(t1) 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}] [L735] FCALL, JOIN 1 pthread_join(t1, 0) 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}] [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: 193.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.5ms, PartialOrderReductionTime: 148.1ms, 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: 223.5ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.1ms, PartialOrderReductionTime: 7.8ms, 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: 4.7ms SsaConstructionTime, 51.5ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 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...