/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-NewStatesSleepPersistent-NoLbe-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/stateful01-1.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-8a14012e553caa636f65c1137831746b6d9875cd-8a14012 [2021-08-07 16:54:44,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-07 16:54:44,655 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-07 16:54:44,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-08-07 16:54:44,732 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-NewStatesSleepPersistent-NoLbe-Lockstep.epf [2021-08-07 16:54:44,759 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-07 16:54:44,760 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-07 16:54:44,760 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-07 16:54:44,760 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-07 16:54:44,762 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-07 16:54:44,762 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-07 16:54:44,762 INFO L138 SettingsManager]: * Use SBE=true [2021-08-07 16:54:44,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-07 16:54:44,763 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-07 16:54:44,763 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-07 16:54:44,764 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-07 16:54:44,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-07 16:54:44,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-07 16:54:44,765 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-08-07 16:54:44,765 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-07 16:54:44,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 16:54:44,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-07 16:54:44,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-07 16:54:44,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-07 16:54:44,766 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-07 16:54:44,766 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-08-07 16:54:44,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-07 16:54:44,766 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-08-07 16:54:44,766 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-08-07 16:54:44,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-07 16:54:44,766 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES [2021-08-07 16:54:44,766 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-08-07 16:54:44,995 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-07 16:54:45,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-07 16:54:45,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-07 16:54:45,014 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-07 16:54:45,015 INFO L275 PluginConnector]: CDTParser initialized [2021-08-07 16:54:45,015 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/stateful01-1.i [2021-08-07 16:54:45,058 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e89bcfc9/4ab67093d2474d36ac8df9b2a9706ca2/FLAG434d0451f [2021-08-07 16:54:45,371 INFO L306 CDTParser]: Found 1 translation units. [2021-08-07 16:54:45,371 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/stateful01-1.i [2021-08-07 16:54:45,382 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e89bcfc9/4ab67093d2474d36ac8df9b2a9706ca2/FLAG434d0451f [2021-08-07 16:54:45,779 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2e89bcfc9/4ab67093d2474d36ac8df9b2a9706ca2 [2021-08-07 16:54:45,781 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-07 16:54:45,783 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-08-07 16:54:45,785 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-07 16:54:45,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-07 16:54:45,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-07 16:54:45,788 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 04:54:45" (1/1) ... [2021-08-07 16:54:45,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74cc488b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:45, skipping insertion in model container [2021-08-07 16:54:45,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 04:54:45" (1/1) ... [2021-08-07 16:54:45,794 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-07 16:54:45,829 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-07 16:54:46,026 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/stateful01-1.i[30826,30839] [2021-08-07 16:54:46,034 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 16:54:46,061 INFO L203 MainTranslator]: Completed pre-run [2021-08-07 16:54:46,083 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/stateful01-1.i[30826,30839] [2021-08-07 16:54:46,083 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-07 16:54:46,111 INFO L208 MainTranslator]: Completed translation [2021-08-07 16:54:46,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46 WrapperNode [2021-08-07 16:54:46,111 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-07 16:54:46,112 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-07 16:54:46,112 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-07 16:54:46,112 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-07 16:54:46,116 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,166 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-07 16:54:46,166 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-07 16:54:46,167 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-07 16:54:46,167 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-07 16:54:46,171 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,171 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,185 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,186 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,187 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,188 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-07 16:54:46,189 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-07 16:54:46,189 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-07 16:54:46,189 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-07 16:54:46,189 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (1/1) ... [2021-08-07 16:54:46,199 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-07 16:54:46,203 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:54:46,217 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-07 16:54:46,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-07 16:54:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-08-07 16:54:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-08-07 16:54:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-08-07 16:54:46,270 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-08-07 16:54:46,270 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-08-07 16:54:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-08-07 16:54:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-08-07 16:54:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-07 16:54:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-08-07 16:54:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-07 16:54:46,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-07 16:54:46,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-07 16:54:46,272 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-08-07 16:54:46,594 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-07 16:54:46,595 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-08-07 16:54:46,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 04:54:46 BoogieIcfgContainer [2021-08-07 16:54:46,596 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-07 16:54:46,597 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-07 16:54:46,597 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-07 16:54:46,599 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-07 16:54:46,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.08 04:54:45" (1/3) ... [2021-08-07 16:54:46,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4af33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 04:54:46, skipping insertion in model container [2021-08-07 16:54:46,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 04:54:46" (2/3) ... [2021-08-07 16:54:46,599 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f4af33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.08 04:54:46, skipping insertion in model container [2021-08-07 16:54:46,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 04:54:46" (3/3) ... [2021-08-07 16:54:46,600 INFO L111 eAbstractionObserver]: Analyzing ICFG stateful01-1.i [2021-08-07 16:54:46,603 WARN L149 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-08-07 16:54:46,603 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-07 16:54:46,604 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-07 16:54:46,604 INFO L509 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-08-07 16:54:46,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,624 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,624 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,624 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,625 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,626 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,628 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,629 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,630 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,631 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,632 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,632 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,633 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,634 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,638 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,638 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,639 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,639 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet9| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,639 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,639 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork0_#t~nondet10| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,642 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,643 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,643 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,643 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,643 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,643 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,643 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,643 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-08-07 16:54:46,653 INFO L148 ThreadInstanceAdder]: Constructed 4 joinOtherThreadTransitions. [2021-08-07 16:54:46,682 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-08-07 16:54:46,682 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-07 16:54:46,685 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-08-07 16:54:46,686 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Waiting until timeout for monitored process [2021-08-07 16:54:46,704 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == ULTIMATE.start ======== [2021-08-07 16:54:46,708 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=PARTIAL_ORDER_FA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-07 16:54:46,708 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-08-07 16:54:46,838 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 16:54:46,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:54:46,842 INFO L82 PathProgramCache]: Analyzing trace with hash 21045939, now seen corresponding path program 1 times [2021-08-07 16:54:46,847 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:54:46,847 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148082498] [2021-08-07 16:54:46,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:54:46,848 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:54:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-07 16:54:47,058 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-07 16:54:47,059 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-07 16:54:47,060 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148082498] [2021-08-07 16:54:47,060 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148082498] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-07 16:54:47,060 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-07 16:54:47,061 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-07 16:54:47,061 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [470348806] [2021-08-07 16:54:47,065 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-07 16:54:47,066 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-07 16:54:47,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-07 16:54:47,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-07 16:54:47,077 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:47,079 INFO L470 AbstractCegarLoop]: Abstraction has currently 0 states, but on-demand construction may add more states [2021-08-07 16:54:47,084 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 25.0) internal successors, (75), 3 states have internal predecessors, (75), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-07 16:54:47,088 INFO L154 InterpolantAutomaton]: Switched to On-DemandConstruction mode: deterministic interpolant automaton has 2 states. [2021-08-07 16:54:47,172 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-07 16:54:47,172 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-07 16:54:47,172 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr1INUSE_VIOLATION] === [2021-08-07 16:54:47,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-07 16:54:47,175 INFO L82 PathProgramCache]: Analyzing trace with hash 2040707909, now seen corresponding path program 2 times [2021-08-07 16:54:47,176 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-07 16:54:47,176 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [271168678] [2021-08-07 16:54:47,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-07 16:54:47,176 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-07 16:54:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 16:54:47,263 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-08-07 16:54:47,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-08-07 16:54:47,343 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-08-07 16:54:47,343 INFO L626 BasicCegarLoop]: Counterexample is feasible [2021-08-07 16:54:47,344 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-07 16:54:47,345 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0INUSE_VIOLATION [2021-08-07 16:54:47,345 INFO L764 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1INUSE_VIOLATION [2021-08-07 16:54:47,346 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-07 16:54:47,355 INFO L229 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-08-07 16:54:47,355 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-07 16:54:47,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.08 04:54:47 BasicIcfg [2021-08-07 16:54:47,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-07 16:54:47,409 INFO L168 Benchmark]: Toolchain (without parser) took 1626.90 ms. Allocated memory is still 200.3 MB. Free memory was 163.4 MB in the beginning and 77.8 MB in the end (delta: 85.6 MB). Peak memory consumption was 85.3 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:47,410 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 200.3 MB. Free memory is still 180.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-08-07 16:54:47,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 326.60 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 175.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:47,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.92 ms. Allocated memory is still 200.3 MB. Free memory was 175.4 MB in the beginning and 173.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:47,410 INFO L168 Benchmark]: Boogie Preprocessor took 21.93 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 172.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:47,411 INFO L168 Benchmark]: RCFGBuilder took 406.95 ms. Allocated memory is still 200.3 MB. Free memory was 171.7 MB in the beginning and 146.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:47,411 INFO L168 Benchmark]: TraceAbstraction took 811.91 ms. Allocated memory is still 200.3 MB. Free memory was 146.0 MB in the beginning and 77.8 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. [2021-08-07 16:54:47,412 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 200.3 MB. Free memory is still 180.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 326.60 ms. Allocated memory is still 200.3 MB. Free memory was 163.2 MB in the beginning and 175.4 MB in the end (delta: -12.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 53.92 ms. Allocated memory is still 200.3 MB. Free memory was 175.4 MB in the beginning and 173.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 21.93 ms. Allocated memory is still 200.3 MB. Free memory was 173.3 MB in the beginning and 172.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 406.95 ms. Allocated memory is still 200.3 MB. Free memory was 171.7 MB in the beginning and 146.5 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 8.0 GB. * TraceAbstraction took 811.91 ms. Allocated memory is still 200.3 MB. Free memory was 146.0 MB in the beginning and 77.8 MB in the end (delta: 68.2 MB). Peak memory consumption was 68.2 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1054, positive conditional: 100, positive unconditional: 954, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1054, positive conditional: 100, positive unconditional: 954, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1075, positive: 1054, positive conditional: 100, positive unconditional: 954, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1076, positive: 1054, positive conditional: 46, positive unconditional: 1008, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1076, positive: 1054, positive conditional: 14, positive unconditional: 1040, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1076, positive: 1054, positive conditional: 14, positive unconditional: 1040, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 977, positive: 957, positive conditional: 0, positive unconditional: 957, negative: 20, negative conditional: 1, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 977, positive: 951, positive conditional: 0, positive unconditional: 951, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 1, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 43, negative conditional: 3, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1076, positive: 97, positive conditional: 14, positive unconditional: 83, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 977, unknown conditional: 1, unknown unconditional: 976] , Statistics on independence cache: Total cache size (in pairs): 977, Positive cache size: 957, Positive conditional cache size: 0, Positive unconditional cache size: 957, Negative cache size: 20, Negative conditional cache size: 1, Negative unconditional cache size: 19, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 116, Number of persistent set computation: 96, Number of trivial persistent sets: 96, Underlying independence relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 973, positive: 954, positive conditional: 0, positive unconditional: 954, negative: 19, negative conditional: 0, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1054, positive conditional: 100, positive unconditional: 954, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1075, positive: 1054, positive conditional: 100, positive unconditional: 954, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: DisjunctiveConditionalIndependenceRelation.Independence Queries: [ total: 1075, positive: 1054, positive conditional: 100, positive unconditional: 954, negative: 21, negative conditional: 2, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DisjunctiveConditionalIndependenceRelation.Statistics on underlying relation: ConditionTransformingIndependenceRelation.Independence Queries: [ total: 1076, positive: 1054, positive conditional: 46, positive unconditional: 1008, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticConditionEliminator.Independence Queries: [ total: 1076, positive: 1054, positive conditional: 14, positive unconditional: 1040, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticConditionEliminator.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 1076, positive: 1054, positive conditional: 14, positive unconditional: 1040, negative: 22, negative conditional: 1, negative unconditional: 21, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 977, positive: 957, positive conditional: 0, positive unconditional: 957, negative: 20, negative conditional: 1, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 977, positive: 951, positive conditional: 0, positive unconditional: 951, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 26, positive: 6, positive conditional: 0, positive unconditional: 6, negative: 20, negative conditional: 1, negative unconditional: 19, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 88, positive: 44, positive conditional: 0, positive unconditional: 44, negative: 43, negative conditional: 3, negative unconditional: 41, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 1076, positive: 97, positive conditional: 14, positive unconditional: 83, negative: 2, negative conditional: 0, negative unconditional: 2, unknown: 977, unknown conditional: 1, unknown unconditional: 976] , Statistics on independence cache: Total cache size (in pairs): 977, Positive cache size: 957, Positive conditional cache size: 0, Positive unconditional cache size: 957, Negative cache size: 20, Negative conditional cache size: 1, Negative unconditional cache size: 19, Eliminated conditions: 32, Maximal queried relation: 1, Independence queries for same thread: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 727]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L692] 0 pthread_mutex_t ma, mb; VAL [ma={7:0}, mb={9:0}] [L693] 0 int data1, data2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L716] 0 pthread_t t1, t2; VAL [data1=0, data2=0, ma={7:0}, mb={9:0}] [L719] 0 data1 = 10 VAL [data1=10, data2=0, ma={7:0}, mb={9:0}] [L720] 0 data2 = 10 VAL [data1=10, data2=10, ma={7:0}, mb={9:0}] [L721] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data1=10, data2=10, ma={7:0}, mb={9:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=10, data1++=10, data2=10, ma={7:0}, mb={9:0}] [L697] 1 data1++ VAL [arg={0:0}, arg={0:0}, data1=11, data1++=10, data2=10, ma={7:0}, mb={9:0}] [L722] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, ma={7:0}, mb={9:0}] [L723] 0 \read(t1) VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=10, ma={7:0}, mb={9:0}] [L700] 1 data2++ VAL [arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}] [L702] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=11, data2=11, ma={7:0}, mb={9:0}, pthread_mutex_lock(&ma)=0] [L707] 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={9:0}] [L723] FCALL, JOIN 1 pthread_join(t1, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={9:0}] [L724] 0 \read(t2) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data1=16, data2=11, ma={7:0}, mb={9:0}, pthread_mutex_lock(&ma)=0] [L710] 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={9:0}] [L712] 2 return 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={9:0}] [L724] 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={9:0}] [L725] COND TRUE 0 data1==16 && data2==5 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={9:0}] [L727] 0 reach_error() 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={9:0}] - UnprovableResult [Line: 722]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - UnprovableResult [Line: 721]: Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Unable to prove that petrification did provide enough thread instances (tool internal message, not intended for end users) Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 5 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 672.7ms, OverallIterations: 2, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 9.7ms, PartialOrderReductionTime: 204.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 8.7ms SsaConstructionTime, 102.6ms SatisfiabilityAnalysisTime, 130.4ms InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 74 ConstructedInterpolants, 0 QuantifiedInterpolants, 80 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! [2021-08-07 16:54:47,439 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (2)] Forceful destruction successful, exit code 0 [2021-08-07 16:54:47,640 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...