/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-a47a088281b0b97d17910950432b7c5b5bc3adeb-a47a088 [2021-07-14 19:46:42,153 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-07-14 19:46:42,154 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-07-14 19:46:42,175 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-07-14 19:46:42,201 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-07-14 19:46:42,202 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-07-14 19:46:42,202 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-07-14 19:46:42,203 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-POR-NewStatesSleepPersistentFixedOrder-NoLbe-Random42.epf [2021-07-14 19:46:42,221 INFO L113 SettingsManager]: Loading preferences was successful [2021-07-14 19:46:42,221 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-07-14 19:46:42,221 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-07-14 19:46:42,222 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-07-14 19:46:42,222 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-07-14 19:46:42,223 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-07-14 19:46:42,223 INFO L138 SettingsManager]: * Use SBE=true [2021-07-14 19:46:42,223 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-07-14 19:46:42,223 INFO L138 SettingsManager]: * sizeof long=4 [2021-07-14 19:46:42,223 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-07-14 19:46:42,223 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-07-14 19:46:42,223 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-07-14 19:46:42,223 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-07-14 19:46:42,224 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-07-14 19:46:42,224 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-07-14 19:46:42,224 INFO L138 SettingsManager]: * sizeof long double=12 [2021-07-14 19:46:42,224 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-07-14 19:46:42,224 INFO L138 SettingsManager]: * Use constant arrays=true [2021-07-14 19:46:42,224 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-07-14 19:46:42,224 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-07-14 19:46:42,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:46:42,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * DFS Order used in POR=RANDOM [2021-07-14 19:46:42,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-07-14 19:46:42,226 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-07-14 19:46:42,226 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-07-14 19:46:42,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-07-14 19:46:42,226 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-07-14 19:46:42,226 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-07-14 19:46:42,226 INFO L138 SettingsManager]: * Random seed used by POR DFS order=42 WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-07-14 19:46:42,485 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-07-14 19:46:42,518 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-07-14 19:46:42,520 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-07-14 19:46:42,520 INFO L271 PluginConnector]: Initializing CDTParser... [2021-07-14 19:46:42,521 INFO L275 PluginConnector]: CDTParser initialized [2021-07-14 19:46:42,521 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2021-07-14 19:46:42,567 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2d36693/746b7192e51b488bbbd0d1ea29cffd68/FLAG545123bf9 [2021-07-14 19:46:42,917 INFO L306 CDTParser]: Found 1 translation units. [2021-07-14 19:46:42,917 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2021-07-14 19:46:42,937 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2d36693/746b7192e51b488bbbd0d1ea29cffd68/FLAG545123bf9 [2021-07-14 19:46:43,313 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a2d36693/746b7192e51b488bbbd0d1ea29cffd68 [2021-07-14 19:46:43,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-07-14 19:46:43,316 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-07-14 19:46:43,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-07-14 19:46:43,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-07-14 19:46:43,320 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-07-14 19:46:43,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6dce4713 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43, skipping insertion in model container [2021-07-14 19:46:43,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,328 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-07-14 19:46:43,364 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-07-14 19:46:43,525 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2021-07-14 19:46:43,533 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 19:46:43,565 INFO L203 MainTranslator]: Completed pre-run [2021-07-14 19:46:43,607 WARN L224 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i[31042,31055] [2021-07-14 19:46:43,610 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-07-14 19:46:43,642 INFO L208 MainTranslator]: Completed translation [2021-07-14 19:46:43,644 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43 WrapperNode [2021-07-14 19:46:43,644 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-07-14 19:46:43,645 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-07-14 19:46:43,645 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-07-14 19:46:43,645 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-07-14 19:46:43,650 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,677 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,692 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-07-14 19:46:43,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-07-14 19:46:43,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-07-14 19:46:43,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-07-14 19:46:43,698 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,698 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,708 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,708 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,715 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,717 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,718 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... [2021-07-14 19:46:43,719 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-07-14 19:46:43,720 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-07-14 19:46:43,720 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-07-14 19:46:43,720 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-07-14 19:46:43,728 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-07-14 19:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-07-14 19:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-07-14 19:46:43,770 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-07-14 19:46:43,770 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-07-14 19:46:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-07-14 19:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-07-14 19:46:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-07-14 19:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-07-14 19:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-07-14 19:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-07-14 19:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-07-14 19:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-07-14 19:46:43,771 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-07-14 19:46:43,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-07-14 19:46:43,772 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-07-14 19:46:44,086 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-07-14 19:46:44,086 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-07-14 19:46:44,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:46:44 BoogieIcfgContainer [2021-07-14 19:46:44,088 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-07-14 19:46:44,089 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-07-14 19:46:44,089 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-07-14 19:46:44,091 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-07-14 19:46:44,091 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.07 07:46:43" (1/3) ... [2021-07-14 19:46:44,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793396cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:46:44, skipping insertion in model container [2021-07-14 19:46:44,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.07 07:46:43" (2/3) ... [2021-07-14 19:46:44,092 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@793396cf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.07 07:46:44, skipping insertion in model container [2021-07-14 19:46:44,092 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.07 07:46:44" (3/3) ... [2021-07-14 19:46:44,093 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2021-07-14 19:46:44,097 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-07-14 19:46:44,097 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-07-14 19:46:44,097 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-07-14 19:46:44,098 INFO L474 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-07-14 19:46:44,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,126 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,126 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,127 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,128 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,129 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,130 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,130 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,130 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,133 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,133 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,133 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,134 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,135 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,136 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,136 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,136 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,137 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,137 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,137 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,137 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,137 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,138 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,139 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,140 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,140 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,141 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,141 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,141 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,146 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,146 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,146 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,148 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,148 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,148 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,148 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,148 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-07-14 19:46:44,167 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-07-14 19:46:44,182 INFO L255 AbstractCegarLoop]: Starting to check reachability of 3 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:46:44,225 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:46:44,225 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:46:44,225 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:46:44,226 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:46:44,226 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:46:44,226 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:46:44,226 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:46:44,226 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-07-14 19:46:44,494 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (1/2) [2021-07-14 19:46:44,495 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-07-14 19:46:44,517 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-07-14 19:46:44,517 INFO L379 AbstractCegarLoop]: Hoare is false [2021-07-14 19:46:44,517 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-07-14 19:46:44,517 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-07-14 19:46:44,517 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-07-14 19:46:44,517 INFO L383 AbstractCegarLoop]: Difference is false [2021-07-14 19:46:44,517 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-07-14 19:46:44,517 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread3Thread1of1ForFork0======== Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-07-14 19:46:44,578 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-07-14 19:46:44,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-07-14 19:46:44,582 INFO L82 PathProgramCache]: Analyzing trace with hash 1636768150, now seen corresponding path program 1 times [2021-07-14 19:46:44,587 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-07-14 19:46:44,587 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2065578005] [2021-07-14 19:46:44,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-07-14 19:46:44,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:46:44,671 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:46:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-07-14 19:46:44,700 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-07-14 19:46:44,721 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-07-14 19:46:44,721 INFO L609 BasicCegarLoop]: Counterexample might be feasible [2021-07-14 19:46:44,722 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-07-14 19:46:44,723 INFO L301 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork0 was UNSAFE (2/2) [2021-07-14 19:46:44,724 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-07-14 19:46:44,777 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.07 07:46:44 BasicIcfg [2021-07-14 19:46:44,777 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-07-14 19:46:44,778 INFO L168 Benchmark]: Toolchain (without parser) took 1461.74 ms. Allocated memory is still 199.2 MB. Free memory was 163.1 MB in the beginning and 175.5 MB in the end (delta: -12.4 MB). Peak memory consumption was 102.7 MB. Max. memory is 8.0 GB. [2021-07-14 19:46:44,778 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 199.2 MB. Free memory is still 180.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-07-14 19:46:44,779 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.76 ms. Allocated memory is still 199.2 MB. Free memory was 162.9 MB in the beginning and 173.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. [2021-07-14 19:46:44,779 INFO L168 Benchmark]: Boogie Procedure Inliner took 47.00 ms. Allocated memory is still 199.2 MB. Free memory was 173.9 MB in the beginning and 171.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 19:46:44,779 INFO L168 Benchmark]: Boogie Preprocessor took 26.37 ms. Allocated memory is still 199.2 MB. Free memory was 171.8 MB in the beginning and 170.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-07-14 19:46:44,780 INFO L168 Benchmark]: RCFGBuilder took 368.17 ms. Allocated memory is still 199.2 MB. Free memory was 170.2 MB in the beginning and 145.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. [2021-07-14 19:46:44,780 INFO L168 Benchmark]: TraceAbstraction took 688.14 ms. Allocated memory is still 199.2 MB. Free memory was 145.0 MB in the beginning and 175.5 MB in the end (delta: -30.5 MB). Peak memory consumption was 85.9 MB. Max. memory is 8.0 GB. [2021-07-14 19:46:44,782 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 199.2 MB. Free memory is still 180.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 327.76 ms. Allocated memory is still 199.2 MB. Free memory was 162.9 MB in the beginning and 173.9 MB in the end (delta: -11.0 MB). Peak memory consumption was 14.7 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 47.00 ms. Allocated memory is still 199.2 MB. Free memory was 173.9 MB in the beginning and 171.8 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 26.37 ms. Allocated memory is still 199.2 MB. Free memory was 171.8 MB in the beginning and 170.2 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 368.17 ms. Allocated memory is still 199.2 MB. Free memory was 170.2 MB in the beginning and 145.6 MB in the end (delta: 24.6 MB). Peak memory consumption was 24.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 688.14 ms. Allocated memory is still 199.2 MB. Free memory was 145.0 MB in the beginning and 175.5 MB in the end (delta: -30.5 MB). Peak memory consumption was 85.9 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: 5771, positive: 5722, positive conditional: 1027, positive unconditional: 4695, negative: 49, negative conditional: 12, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5771, positive: 5722, positive conditional: 1027, positive unconditional: 4695, negative: 49, negative conditional: 12, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5771, positive: 5722, positive conditional: 0, positive unconditional: 5722, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1380, positive: 1362, positive conditional: 0, positive unconditional: 1362, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1380, positive: 1355, positive conditional: 0, positive unconditional: 1355, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5771, positive: 4360, positive conditional: 0, positive unconditional: 4360, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 1380, unknown conditional: 0, unknown unconditional: 1380] , Statistics on independence cache: Total cache size (in pairs): 1380, Positive cache size: 1362, Positive conditional cache size: 0, Positive unconditional cache size: 1362, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 161, Number of persistent set computation: 556, Number of trivial persistent sets: 556, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 5771, positive: 5722, positive conditional: 1027, positive unconditional: 4695, negative: 49, negative conditional: 12, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 5771, positive: 5722, positive conditional: 1027, positive unconditional: 4695, negative: 49, negative conditional: 12, negative unconditional: 37, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 5771, positive: 5722, positive conditional: 0, positive unconditional: 5722, negative: 49, negative conditional: 0, negative unconditional: 49, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1380, positive: 1362, positive conditional: 0, positive unconditional: 1362, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1380, positive: 1355, positive conditional: 0, positive unconditional: 1355, negative: 25, negative conditional: 0, negative unconditional: 25, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 25, positive: 7, positive conditional: 0, positive unconditional: 7, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 67, positive: 30, positive conditional: 0, positive unconditional: 30, negative: 36, negative conditional: 0, negative unconditional: 36, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 5771, positive: 4360, positive conditional: 0, positive unconditional: 4360, negative: 31, negative conditional: 0, negative unconditional: 31, unknown: 1380, unknown conditional: 0, unknown unconditional: 1380] , Statistics on independence cache: Total cache size (in pairs): 1380, Positive cache size: 1362, Positive conditional cache size: 0, Positive unconditional cache size: 1362, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2226, positive: 2211, positive conditional: 26, positive unconditional: 2185, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2226, positive: 2211, positive conditional: 26, positive unconditional: 2185, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2226, positive: 2211, positive conditional: 0, positive unconditional: 2211, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1148, positive: 1136, positive conditional: 0, positive unconditional: 1136, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1148, positive: 1132, positive conditional: 0, positive unconditional: 1132, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2226, positive: 1075, positive conditional: 0, positive unconditional: 1075, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1148, unknown conditional: 0, unknown unconditional: 1148] , Statistics on independence cache: Total cache size (in pairs): 1148, Positive cache size: 1136, Positive conditional cache size: 0, Positive unconditional cache size: 1136, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 55, Number of persistent set computation: 57, Number of trivial persistent sets: 52, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 2226, positive: 2211, positive conditional: 26, positive unconditional: 2185, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 2226, positive: 2211, positive conditional: 26, positive unconditional: 2185, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 2226, positive: 2211, positive conditional: 0, positive unconditional: 2211, negative: 15, negative conditional: 0, negative unconditional: 15, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1148, positive: 1136, positive conditional: 0, positive unconditional: 1136, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1148, positive: 1132, positive conditional: 0, positive unconditional: 1132, negative: 16, negative conditional: 0, negative unconditional: 16, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 16, positive: 4, positive conditional: 0, positive unconditional: 4, negative: 12, negative conditional: 0, negative unconditional: 12, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 45, positive: 28, positive conditional: 0, positive unconditional: 28, negative: 17, negative conditional: 0, negative unconditional: 17, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 2226, positive: 1075, positive conditional: 0, positive unconditional: 1075, negative: 3, negative conditional: 0, negative unconditional: 3, unknown: 1148, unknown conditional: 0, unknown unconditional: 1148] , Statistics on independence cache: Total cache size (in pairs): 1148, Positive cache size: 1136, Positive conditional cache size: 0, Positive unconditional cache size: 1136, Negative cache size: 12, Negative conditional cache size: 0, Negative unconditional cache size: 12 ], Maximal queried relation: 0, Independence queries for same thread: 0 - CounterExampleResult [Line: 722]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L702] 0 pthread_mutex_t mutex; VAL [mutex={7:0}] [L703] 0 int data = 0; VAL [data=0, mutex={7:0}] [L731] 0 pthread_t t1, t2, t3; VAL [data=0, mutex={7:0}] [L732] FCALL, FORK 0 pthread_create(&t1, 0, thread1, 0) VAL [arg={0:0}, data=0, mutex={7:0}] [L707] 1 data++ VAL [arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L709] 1 return 0; VAL [\result={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L733] FCALL, FORK 0 pthread_create(&t2, 0, thread2, 0) VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=1, mutex={7:0}] [L714] 2 data+=2 VAL [\result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L716] 2 return 0; VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L734] FCALL, FORK 0 pthread_create(&t3, 0, thread3, 0) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L721] COND TRUE 3 data >= 3 VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] [L722] 3 reach_error() VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, data=3, mutex={7:0}] - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 118 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 301.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.6ms, PartialOrderReductionTime: 245.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: thread3Thread1of1ForFork0 with 1 thread instances CFG has 7 procedures, 118 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 219.3ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.2ms, PartialOrderReductionTime: 59.1ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 4.1ms SsaConstructionTime, 38.0ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...