/usr/bin/java -Xmx16000000000 -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-DelaySleep-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/svcomp/pthread/lazy01.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 21:22:12,399 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 21:22:12,400 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 21:22:12,423 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 21:22:12,472 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 21:22:12,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 21:22:12,473 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 21:22:12,482 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-DelaySleep-NoLbe.epf [2021-06-01 21:22:12,518 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 21:22:12,518 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 21:22:12,519 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 21:22:12,519 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 21:22:12,521 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 21:22:12,521 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 21:22:12,521 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 21:22:12,522 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 21:22:12,522 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 21:22:12,522 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 21:22:12,522 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 21:22:12,523 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 21:22:12,523 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 21:22:12,523 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 21:22:12,523 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 21:22:12,523 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 21:22:12,523 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 21:22:12,523 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 21:22:12,524 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 21:22:12,524 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 21:22:12,524 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 21:22:12,524 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 21:22:12,524 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 21:22:12,524 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 21:22:12,525 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 21:22:12,525 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 21:22:12,525 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 21:22:12,525 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 21:22:12,525 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 21:22:12,525 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 21:22:12,525 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-01 21:22:12,526 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 21:22:12,526 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-01 21:22:12,526 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 21:22:12,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 21:22:12,858 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 21:22:12,860 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 21:22:12,861 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 21:22:12,861 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 21:22:12,862 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/pthread/lazy01.i [2021-06-01 21:22:12,932 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff8d8dbb/e241a55c02be4f5f9c816d08458136aa/FLAG8f71fff19 [2021-06-01 21:22:13,534 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 21:22:13,535 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/pthread/lazy01.i [2021-06-01 21:22:13,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff8d8dbb/e241a55c02be4f5f9c816d08458136aa/FLAG8f71fff19 [2021-06-01 21:22:13,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9ff8d8dbb/e241a55c02be4f5f9c816d08458136aa [2021-06-01 21:22:13,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 21:22:13,919 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 21:22:13,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 21:22:13,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 21:22:13,923 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 21:22:13,924 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 09:22:13" (1/1) ... [2021-06-01 21:22:13,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@652b6670 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:13, skipping insertion in model container [2021-06-01 21:22:13,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 09:22:13" (1/1) ... [2021-06-01 21:22:13,935 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 21:22:13,979 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 21:22:14,267 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] [2021-06-01 21:22:14,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 21:22:14,288 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 21:22:14,330 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] [2021-06-01 21:22:14,346 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 21:22:14,414 INFO L208 MainTranslator]: Completed translation [2021-06-01 21:22:14,415 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14 WrapperNode [2021-06-01 21:22:14,415 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 21:22:14,417 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 21:22:14,417 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 21:22:14,417 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 21:22:14,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,451 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,472 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 21:22:14,473 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 21:22:14,473 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 21:22:14,473 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 21:22:14,480 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,480 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,491 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,492 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,500 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,501 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,503 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (1/1) ... [2021-06-01 21:22:14,505 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 21:22:14,506 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 21:22:14,506 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 21:22:14,506 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 21:22:14,507 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (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 [2021-06-01 21:22:14,583 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-01 21:22:14,584 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2021-06-01 21:22:14,584 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2021-06-01 21:22:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread2 [2021-06-01 21:22:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread2 [2021-06-01 21:22:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure thread3 [2021-06-01 21:22:14,586 INFO L138 BoogieDeclarations]: Found implementation of procedure thread3 [2021-06-01 21:22:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 21:22:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2021-06-01 21:22:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 21:22:14,586 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 21:22:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 21:22:14,587 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 21:22:14,587 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 21:22:14,589 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-01 21:22:15,003 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 21:22:15,004 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-01 21:22:15,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 09:22:15 BoogieIcfgContainer [2021-06-01 21:22:15,005 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 21:22:15,006 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 21:22:15,007 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 21:22:15,009 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 21:22:15,009 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 09:22:13" (1/3) ... [2021-06-01 21:22:15,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720ab0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 09:22:15, skipping insertion in model container [2021-06-01 21:22:15,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 09:22:14" (2/3) ... [2021-06-01 21:22:15,010 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@720ab0f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 09:22:15, skipping insertion in model container [2021-06-01 21:22:15,010 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 09:22:15" (3/3) ... [2021-06-01 21:22:15,011 INFO L111 eAbstractionObserver]: Analyzing ICFG lazy01.i [2021-06-01 21:22:15,016 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 21:22:15,017 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 21:22:15,017 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-01 21:22:15,017 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 21:22:15,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,047 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,048 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,048 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,048 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,048 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,048 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,049 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,050 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,051 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,052 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,053 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,053 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,053 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,056 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,057 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,057 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,060 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,060 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,061 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,062 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,062 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,062 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,063 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,063 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,063 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,064 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,064 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,064 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,065 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,065 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,065 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,065 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,067 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,068 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,068 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,068 WARN L313 ript$VariableManager]: TermVariabe thread3Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,068 WARN L313 ript$VariableManager]: TermVariabe |thread3Thread1of1ForFork0_#t~nondet8| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,073 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,073 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,074 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~nondet5| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,074 WARN L313 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,074 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,074 WARN L313 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork1_#t~post6| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,076 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,076 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,077 WARN L313 ript$VariableManager]: TermVariabe thread2Thread1of1ForFork2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#t~nondet7| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,077 WARN L313 ript$VariableManager]: TermVariabe |thread2Thread1of1ForFork2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 21:22:15,108 INFO L149 ThreadInstanceAdder]: Constructed 9 joinOtherThreadTransitions. [2021-06-01 21:22:15,129 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 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 [2021-06-01 21:22:15,192 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 21:22:15,192 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 21:22:15,192 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 21:22:15,193 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 21:22:15,193 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 21:22:15,193 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 21:22:15,193 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 21:22:15,193 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread3======== [2021-06-01 21:22:15,669 INFO L301 ceAbstractionStarter]: Result for error location thread3 was SAFE (1/3) [2021-06-01 21:22:15,671 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 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-01 21:22:15,679 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 21:22:15,679 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 21:22:15,679 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 21:22:15,679 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 21:22:15,679 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 21:22:15,679 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 21:22:15,680 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 21:22:15,680 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 21:22:16,027 INFO L301 ceAbstractionStarter]: Result for error location ULTIMATE.start was SAFE (2/3) [2021-06-01 21:22:16,028 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 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 (exit command is (exit), workingDir is null) [2021-06-01 21:22:16,052 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 21:22:16,053 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 21:22:16,053 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 21:22:16,053 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 21:22:16,053 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 21:22:16,053 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 21:22:16,053 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 21:22:16,053 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == thread3Thread1of1ForFork0======== [2021-06-01 21:22:16,058 INFO L430 AbstractCegarLoop]: === Iteration 1 === [thread3Err0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-06-01 21:22:16,064 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-01 21:22:16,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1561980652, now seen corresponding path program 1 times Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:1000 [2021-06-01 21:22:16,072 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-01 21:22:16,073 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727456491] [2021-06-01 21:22:16,073 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-01 21:22:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 21:22:16,242 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 21:22:16,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-06-01 21:22:16,300 INFO L223 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-06-01 21:22:16,342 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-06-01 21:22:16,343 INFO L655 BasicCegarLoop]: Counterexample might be feasible [2021-06-01 21:22:16,343 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-01 21:22:16,344 INFO L301 ceAbstractionStarter]: Result for error location thread3Thread1of1ForFork0 was UNSAFE (3/3) [2021-06-01 21:22:16,346 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 21:22:16,407 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 09:22:16 BasicIcfg [2021-06-01 21:22:16,408 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 21:22:16,409 INFO L168 Benchmark]: Toolchain (without parser) took 2489.62 ms. Allocated memory is still 388.0 MB. Free memory was 350.1 MB in the beginning and 311.6 MB in the end (delta: 38.5 MB). Peak memory consumption was 39.3 MB. Max. memory is 16.0 GB. [2021-06-01 21:22:16,409 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 388.0 MB. Free memory is still 368.2 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 21:22:16,410 INFO L168 Benchmark]: CACSL2BoogieTranslator took 495.24 ms. Allocated memory is still 388.0 MB. Free memory was 350.0 MB in the beginning and 350.3 MB in the end (delta: -337.2 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. [2021-06-01 21:22:16,410 INFO L168 Benchmark]: Boogie Procedure Inliner took 55.88 ms. Allocated memory is still 388.0 MB. Free memory was 350.3 MB in the beginning and 348.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 21:22:16,411 INFO L168 Benchmark]: Boogie Preprocessor took 32.06 ms. Allocated memory is still 388.0 MB. Free memory was 348.8 MB in the beginning and 347.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 21:22:16,411 INFO L168 Benchmark]: RCFGBuilder took 499.32 ms. Allocated memory is still 388.0 MB. Free memory was 347.8 MB in the beginning and 321.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. [2021-06-01 21:22:16,411 INFO L168 Benchmark]: TraceAbstraction took 1401.20 ms. Allocated memory is still 388.0 MB. Free memory was 321.5 MB in the beginning and 311.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.0 GB. [2021-06-01 21:22:16,417 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 388.0 MB. Free memory is still 368.2 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 495.24 ms. Allocated memory is still 388.0 MB. Free memory was 350.0 MB in the beginning and 350.3 MB in the end (delta: -337.2 kB). Peak memory consumption was 7.2 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 55.88 ms. Allocated memory is still 388.0 MB. Free memory was 350.3 MB in the beginning and 348.8 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 32.06 ms. Allocated memory is still 388.0 MB. Free memory was 348.8 MB in the beginning and 347.8 MB in the end (delta: 1.0 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 499.32 ms. Allocated memory is still 388.0 MB. Free memory was 347.8 MB in the beginning and 321.5 MB in the end (delta: 26.2 MB). Peak memory consumption was 27.3 MB. Max. memory is 16.0 GB. * TraceAbstraction took 1401.20 ms. Allocated memory is still 388.0 MB. Free memory was 321.5 MB in the beginning and 311.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14045, positive: 13070, positive conditional: 13070, positive unconditional: 0, negative: 975, negative conditional: 975, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13405, positive: 13070, positive conditional: 13070, positive unconditional: 0, negative: 335, negative conditional: 335, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13405, positive: 13070, positive conditional: 0, positive unconditional: 13070, negative: 335, negative conditional: 0, negative unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 818, positive: 800, positive conditional: 0, positive unconditional: 800, 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: 818, positive: 792, positive conditional: 0, positive unconditional: 792, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 26, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 89, positive: 16, positive conditional: 0, positive unconditional: 16, negative: 73, negative conditional: 0, negative unconditional: 73, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13405, positive: 12270, positive conditional: 0, positive unconditional: 12270, negative: 317, negative conditional: 0, negative unconditional: 317, unknown: 818, unknown conditional: 0, unknown unconditional: 818] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 800, Positive conditional cache size: 0, Positive unconditional cache size: 800, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 ], Maximal queried relation: 0, Independence queries for same thread: 640 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 14045, positive: 13070, positive conditional: 13070, positive unconditional: 0, negative: 975, negative conditional: 975, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 13405, positive: 13070, positive conditional: 13070, positive unconditional: 0, negative: 335, negative conditional: 335, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 13405, positive: 13070, positive conditional: 0, positive unconditional: 13070, negative: 335, negative conditional: 0, negative unconditional: 335, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 818, positive: 800, positive conditional: 0, positive unconditional: 800, 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: 818, positive: 792, positive conditional: 0, positive unconditional: 792, negative: 26, negative conditional: 0, negative unconditional: 26, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 26, positive: 8, positive conditional: 0, positive unconditional: 8, 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: 26, positive: 8, positive conditional: 0, positive unconditional: 8, negative: 18, negative conditional: 0, negative unconditional: 18, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 94, positive: 14, positive conditional: 0, positive unconditional: 14, negative: 80, negative conditional: 0, negative unconditional: 80, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 13405, positive: 12270, positive conditional: 0, positive unconditional: 12270, negative: 317, negative conditional: 0, negative unconditional: 317, unknown: 818, unknown conditional: 0, unknown unconditional: 818] , Statistics on independence cache: Total cache size (in pairs): 818, Positive cache size: 800, Positive conditional cache size: 0, Positive unconditional cache size: 800, Negative cache size: 18, Negative conditional cache size: 0, Negative unconditional cache size: 18 ], Maximal queried relation: 0, Independence queries for same thread: 640 - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 44, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 1, negative conditional: 1, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 43, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , DistributingIndependenceRelation.Statistics on underlying relations: [ CachedIndependenceRelation.Independence Queries: [ total: 43, positive: 43, positive conditional: 0, positive unconditional: 43, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 40, positive: 40, positive conditional: 0, positive unconditional: 40, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ConditionTransformingIndependenceRelation.Statistics on underlying relation: SemanticIndependenceRelation.Independence Queries: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 0, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 43, positive: 3, positive conditional: 0, positive unconditional: 3, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 40, unknown conditional: 0, unknown unconditional: 40] , Statistics on independence cache: Total cache size (in pairs): 40, Positive cache size: 40, Positive conditional cache size: 0, Positive unconditional cache size: 40, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 1 - 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}] [L735] 0 \read(t1) VAL [\result={0:0}, \result={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, arg={0:0}, 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: thread3 with 1 thread instances CFG has 7 procedures, 118 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 517.7ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 15.5ms, PartialOrderReductionTime: 456.0ms, 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: ULTIMATE.start with 1 thread instances CFG has 7 procedures, 118 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 354.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.5ms, PartialOrderReductionTime: 343.8ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=0occurred in iteration=0, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: 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: 307.6ms, OverallIterations: 1, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 1.3ms, PartialOrderReductionTime: 3.5ms, 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: 6.7ms SsaConstructionTime, 98.2ms SatisfiabilityAnalysisTime, 0.0ms InterpolantComputationTime, 60 NumberOfCodeBlocks, 60 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...