/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-1d1d2b5 [2020-10-21 21:33:49,165 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-21 21:33:49,169 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-21 21:33:49,196 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-21 21:33:49,196 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-21 21:33:49,198 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-21 21:33:49,199 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-21 21:33:49,201 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-21 21:33:49,203 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-21 21:33:49,204 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-21 21:33:49,205 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-21 21:33:49,206 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-21 21:33:49,206 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-21 21:33:49,207 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-21 21:33:49,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-21 21:33:49,210 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-21 21:33:49,211 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-21 21:33:49,212 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-21 21:33:49,219 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-21 21:33:49,221 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-21 21:33:49,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-21 21:33:49,231 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-21 21:33:49,233 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-21 21:33:49,234 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-21 21:33:49,237 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-21 21:33:49,237 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-21 21:33:49,237 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-21 21:33:49,238 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-21 21:33:49,239 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-21 21:33:49,240 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-21 21:33:49,240 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-21 21:33:49,241 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-21 21:33:49,242 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-21 21:33:49,243 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-21 21:33:49,244 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-21 21:33:49,244 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-21 21:33:49,245 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-21 21:33:49,245 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-21 21:33:49,245 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-21 21:33:49,246 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-21 21:33:49,247 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-21 21:33:49,248 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-21 21:33:49,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-21 21:33:49,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-21 21:33:49,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-21 21:33:49,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-21 21:33:49,278 INFO L138 SettingsManager]: * Use SBE=true [2020-10-21 21:33:49,280 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-21 21:33:49,281 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-21 21:33:49,281 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-21 21:33:49,281 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-21 21:33:49,281 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-21 21:33:49,282 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-21 21:33:49,282 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-21 21:33:49,282 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-21 21:33:49,282 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-21 21:33:49,282 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-21 21:33:49,283 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-21 21:33:49,283 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-21 21:33:49,284 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-21 21:33:49,284 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-21 21:33:49,284 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-21 21:33:49,285 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-21 21:33:49,285 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-21 21:33:49,285 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-21 21:33:49,286 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-21 21:33:49,286 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-21 21:33:49,286 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-21 21:33:49,286 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-21 21:33:49,287 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-21 21:33:49,287 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-21 21:33:49,288 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-21 21:33:49,662 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-21 21:33:49,678 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-21 21:33:49,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-21 21:33:49,694 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-21 21:33:49,695 INFO L275 PluginConnector]: CDTParser initialized [2020-10-21 21:33:49,696 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2020-10-21 21:33:49,800 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec9e0623/2e5be13237034a85b8c2638e0f0e5542/FLAGf02154970 [2020-10-21 21:33:50,470 INFO L306 CDTParser]: Found 1 translation units. [2020-10-21 21:33:50,471 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2020-10-21 21:33:50,497 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec9e0623/2e5be13237034a85b8c2638e0f0e5542/FLAGf02154970 [2020-10-21 21:33:50,649 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0ec9e0623/2e5be13237034a85b8c2638e0f0e5542 [2020-10-21 21:33:50,662 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-21 21:33:50,669 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2020-10-21 21:33:50,670 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-21 21:33:50,670 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-21 21:33:50,674 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-21 21:33:50,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:33:50" (1/1) ... [2020-10-21 21:33:50,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4053fa7d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:50, skipping insertion in model container [2020-10-21 21:33:50,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 09:33:50" (1/1) ... [2020-10-21 21:33:50,688 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-21 21:33:50,746 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-21 21:33:51,332 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:33:51,349 INFO L203 MainTranslator]: Completed pre-run [2020-10-21 21:33:51,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-21 21:33:51,481 INFO L208 MainTranslator]: Completed translation [2020-10-21 21:33:51,482 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51 WrapperNode [2020-10-21 21:33:51,482 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-21 21:33:51,483 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-21 21:33:51,484 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-21 21:33:51,484 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-21 21:33:51,494 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,515 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,540 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-21 21:33:51,541 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-21 21:33:51,541 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-21 21:33:51,541 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-21 21:33:51,551 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,551 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,555 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,556 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,564 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,567 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (1/1) ... [2020-10-21 21:33:51,574 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-21 21:33:51,583 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-21 21:33:51,584 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-21 21:33:51,584 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-21 21:33:51,585 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (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 [2020-10-21 21:33:51,656 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-21 21:33:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2020-10-21 21:33:51,657 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2020-10-21 21:33:51,657 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2020-10-21 21:33:51,658 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2020-10-21 21:33:51,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-21 21:33:51,659 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2020-10-21 21:33:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-21 21:33:51,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-21 21:33:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-21 21:33:51,661 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-21 21:33:51,661 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-21 21:33:51,663 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2020-10-21 21:33:52,139 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-21 21:33:52,140 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-10-21 21:33:52,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:33:52 BoogieIcfgContainer [2020-10-21 21:33:52,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-21 21:33:52,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-21 21:33:52,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-21 21:33:52,148 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-21 21:33:52,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 09:33:50" (1/3) ... [2020-10-21 21:33:52,149 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5199f9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:33:52, skipping insertion in model container [2020-10-21 21:33:52,149 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 09:33:51" (2/3) ... [2020-10-21 21:33:52,150 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5199f9d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 09:33:52, skipping insertion in model container [2020-10-21 21:33:52,150 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 09:33:52" (3/3) ... [2020-10-21 21:33:52,152 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2020-10-21 21:33:52,163 WARN L153 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2020-10-21 21:33:52,163 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-21 21:33:52,174 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-21 21:33:52,175 INFO L348 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2020-10-21 21:33:52,206 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,207 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,207 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,207 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,208 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,209 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,210 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,211 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,212 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,212 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,212 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,213 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,214 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,219 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,220 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,220 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,220 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,221 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,230 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,231 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,231 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,231 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,232 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2020-10-21 21:33:52,243 INFO L149 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2020-10-21 21:33:52,259 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-10-21 21:33:52,281 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-21 21:33:52,282 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-21 21:33:52,282 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-21 21:33:52,282 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-21 21:33:52,282 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-21 21:33:52,282 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-21 21:33:52,282 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-21 21:33:52,282 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-21 21:33:52,299 INFO L129 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2020-10-21 21:33:52,303 INFO L144 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 90 places, 87 transitions, 196 flow [2020-10-21 21:33:52,306 INFO L110 LiptonReduction]: Starting Lipton reduction on Petri net that has 90 places, 87 transitions, 196 flow [2020-10-21 21:33:52,308 INFO L71 FinitePrefix]: Start finitePrefix. Operand has 90 places, 87 transitions, 196 flow [2020-10-21 21:33:52,389 INFO L129 PetriNetUnfolder]: 3/87 cut-off events. [2020-10-21 21:33:52,390 INFO L130 PetriNetUnfolder]: For 4/4 co-relation queries the response was YES. [2020-10-21 21:33:52,396 INFO L80 FinitePrefix]: Finished finitePrefix Result has 98 conditions, 87 events. 3/87 cut-off events. For 4/4 co-relation queries the response was YES. Maximal size of possible extension queue 3. Compared 59 event pairs, 0 based on Foata normal form. 0/84 useless extension candidates. Maximal degree in co-relation 32. Up to 3 conditions per place. [2020-10-21 21:33:52,401 INFO L116 LiptonReduction]: Number of co-enabled transitions 680 [2020-10-21 21:33:54,477 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 82 [2020-10-21 21:33:54,675 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 72 [2020-10-21 21:33:55,584 WARN L193 SmtUtils]: Spent 798.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 132 [2020-10-21 21:33:55,900 WARN L193 SmtUtils]: Spent 312.00 ms on a formula simplification that was a NOOP. DAG size: 128 [2020-10-21 21:33:55,911 INFO L131 LiptonReduction]: Checked pairs total: 3154 [2020-10-21 21:33:55,911 INFO L133 LiptonReduction]: Total number of compositions: 65 [2020-10-21 21:33:55,920 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 35 places, 30 transitions, 82 flow [2020-10-21 21:33:55,944 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 198 states. [2020-10-21 21:33:55,947 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2020-10-21 21:33:55,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 21:33:55,961 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:33:55,962 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:33:55,962 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:33:55,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:33:55,969 INFO L82 PathProgramCache]: Analyzing trace with hash -657566232, now seen corresponding path program 1 times [2020-10-21 21:33:55,979 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:33:55,979 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [259073777] [2020-10-21 21:33:55,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:33:56,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-21 21:33:56,236 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-21 21:33:56,237 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [259073777] [2020-10-21 21:33:56,238 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-21 21:33:56,238 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-21 21:33:56,239 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681624386] [2020-10-21 21:33:56,246 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-21 21:33:56,246 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-21 21:33:56,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-21 21:33:56,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:33:56,266 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2020-10-21 21:33:56,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-21 21:33:56,336 INFO L93 Difference]: Finished difference Result 150 states and 254 transitions. [2020-10-21 21:33:56,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-21 21:33:56,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-10-21 21:33:56,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-21 21:33:56,353 INFO L225 Difference]: With dead ends: 150 [2020-10-21 21:33:56,353 INFO L226 Difference]: Without dead ends: 149 [2020-10-21 21:33:56,355 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-21 21:33:56,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2020-10-21 21:33:56,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2020-10-21 21:33:56,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 149 states. [2020-10-21 21:33:56,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 253 transitions. [2020-10-21 21:33:56,416 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 253 transitions. Word has length 25 [2020-10-21 21:33:56,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-21 21:33:56,417 INFO L481 AbstractCegarLoop]: Abstraction has 149 states and 253 transitions. [2020-10-21 21:33:56,417 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-21 21:33:56,418 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 253 transitions. [2020-10-21 21:33:56,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-10-21 21:33:56,420 INFO L414 BasicCegarLoop]: Found error trace [2020-10-21 21:33:56,420 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-21 21:33:56,421 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-21 21:33:56,421 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1INUSE_VIOLATION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-21 21:33:56,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-21 21:33:56,421 INFO L82 PathProgramCache]: Analyzing trace with hash 1255226036, now seen corresponding path program 2 times [2020-10-21 21:33:56,422 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-21 21:33:56,422 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [432160957] [2020-10-21 21:33:56,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-21 21:33:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:33:56,543 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:33:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-21 21:33:56,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-21 21:33:56,657 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-21 21:33:56,658 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-21 21:33:56,659 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-21 21:33:56,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 09:33:56 BasicIcfg [2020-10-21 21:33:56,728 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-21 21:33:56,731 INFO L168 Benchmark]: Toolchain (without parser) took 6066.39 ms. Allocated memory was 140.5 MB in the beginning and 246.9 MB in the end (delta: 106.4 MB). Free memory was 101.9 MB in the beginning and 95.0 MB in the end (delta: 6.9 MB). Peak memory consumption was 113.3 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:56,732 INFO L168 Benchmark]: CDTParser took 5.14 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. [2020-10-21 21:33:56,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 812.86 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.0 MB in the beginning and 157.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:56,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 57.11 ms. Allocated memory is still 202.4 MB. Free memory was 157.7 MB in the beginning and 155.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:56,735 INFO L168 Benchmark]: Boogie Preprocessor took 33.88 ms. Allocated memory is still 202.4 MB. Free memory was 155.8 MB in the beginning and 153.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:56,736 INFO L168 Benchmark]: RCFGBuilder took 559.22 ms. Allocated memory is still 202.4 MB. Free memory was 153.9 MB in the beginning and 128.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:56,737 INFO L168 Benchmark]: TraceAbstraction took 4584.47 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 127.5 MB in the beginning and 95.0 MB in the end (delta: 32.5 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. [2020-10-21 21:33:56,743 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 5.14 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 MB in the beginning and 121.6 MB in the end (delta: 419.8 kB). Peak memory consumption was 419.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 812.86 ms. Allocated memory was 140.5 MB in the beginning and 202.4 MB in the end (delta: 61.9 MB). Free memory was 101.0 MB in the beginning and 157.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 22.2 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 57.11 ms. Allocated memory is still 202.4 MB. Free memory was 157.7 MB in the beginning and 155.8 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 33.88 ms. Allocated memory is still 202.4 MB. Free memory was 155.8 MB in the beginning and 153.9 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 559.22 ms. Allocated memory is still 202.4 MB. Free memory was 153.9 MB in the beginning and 128.4 MB in the end (delta: 25.4 MB). Peak memory consumption was 25.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4584.47 ms. Allocated memory was 202.4 MB in the beginning and 246.9 MB in the end (delta: 44.6 MB). Free memory was 127.5 MB in the beginning and 95.0 MB in the end (delta: 32.5 MB). Peak memory consumption was 77.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks 458 VarBasedMoverChecksPositive, 37 VarBasedMoverChecksNegative, 9 SemBasedMoverChecksPositive, 28 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.3s, 174 CheckedPairsTotal, LiptonReductionStatistics: ReductionTime: 3.6s, 90 PlacesBefore, 35 PlacesAfterwards, 87 TransitionsBefore, 30 TransitionsAfterwards, 680 CoEnabledTransitionPairs, 6 FixpointIterations, 41 TrivialSequentialCompositions, 14 ConcurrentSequentialCompositions, 8 TrivialYvCompositions, 0 ConcurrentYvCompositions, 2 ChoiceCompositions, 65 TotalNumberOfCompositions, 3154 MoverChecksTotal - CounterExampleResult [Line: 12]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L684] 0 pthread_mutex_t ma, mb; [L685] 0 int data1, data2; [L708] 0 pthread_t t1, t2; [L711] 0 data1 = 10 [L712] 0 data2 = 10 [L713] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={7:0}, mb={6:0}] [L689] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=10, ma={7:0}, mb={6:0}] [L692] 1 data2++ VAL [arg={0:0}, arg={0:0}, data1=11, data2=10, data2++=10, ma={7:0}, mb={6:0}] [L714] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, data2++=10, ma={7:0}, mb={6:0}] [L715] 0 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, data2++=10, ma={7:0}, mb={6:0}] [L692] 1 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={6:0}] [L694] 1 return 0; [L715] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={6:0}] [L716] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={6:0}, pthread_mutex_lock(&ma)=0] [L699] 2 data1+=5 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={6:0}] [L702] 2 data2-=6 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={6:0}] [L704] 2 return 0; [L716] FCALL, JOIN 2 pthread_join(t2, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={6:0}] [L717] COND TRUE 0 data1==16 && data2==5 [L12] COND FALSE 0 !(0) [L12] 0 __assert_fail ("0", "stateful01-1.c", 3, __extension__ __PRETTY_FUNCTION__) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=5, ma={7:0}, mb={6:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 84 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.3s, OverallIterations: 2, TraceHistogramMax: 1, AutomataDifference: 0.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 3.6s, HoareTripleCheckerStatistics: 31 SDtfs, 10 SDslu, 13 SDs, 0 SdLazy, 9 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=198occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 1152 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...