/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-Lockstep.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-9bbddad6b14272d9691b7fb6f1c011d15ab18596-9bbddad [2021-06-14 19:51:26,727 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-14 19:51:26,729 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-14 19:51:26,761 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-14 19:51:26,761 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-14 19:51:26,764 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-14 19:51:26,767 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-14 19:51:26,776 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-14 19:51:26,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-14 19:51:26,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-14 19:51:26,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-14 19:51:26,785 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-14 19:51:26,785 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-14 19:51:26,785 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-14 19:51:26,786 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-14 19:51:26,787 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-14 19:51:26,787 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-14 19:51:26,788 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-14 19:51:26,789 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-14 19:51:26,791 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-14 19:51:26,792 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-14 19:51:26,793 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-14 19:51:26,793 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-14 19:51:26,794 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-14 19:51:26,796 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-14 19:51:26,796 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-14 19:51:26,797 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-14 19:51:26,797 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-14 19:51:26,798 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-14 19:51:26,798 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-14 19:51:26,799 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-14 19:51:26,799 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-14 19:51:26,800 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-14 19:51:26,800 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-14 19:51:26,801 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-14 19:51:26,801 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-14 19:51:26,802 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-14 19:51:26,802 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-14 19:51:26,802 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-14 19:51:26,803 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-14 19:51:26,804 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-14 19:51:26,805 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-Lockstep.epf [2021-06-14 19:51:26,838 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-14 19:51:26,838 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-14 19:51:26,838 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-14 19:51:26,839 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-14 19:51:26,840 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-14 19:51:26,840 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-14 19:51:26,840 INFO L138 SettingsManager]: * Use SBE=true [2021-06-14 19:51:26,840 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-14 19:51:26,840 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-14 19:51:26,840 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-14 19:51:26,841 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-14 19:51:26,842 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-14 19:51:26,842 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-14 19:51:26,842 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-14 19:51:26,842 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-14 19:51:26,842 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-14 19:51:26,842 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-14 19:51:26,842 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * DFS Order used in POR=PSEUDO_LOCKSTEP [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-14 19:51:26,843 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=PERSISTENT_SLEEP_NEW_STATES_FIXEDORDER [2021-06-14 19:51:26,843 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-14 19:51:27,143 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-14 19:51:27,180 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-14 19:51:27,182 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-14 19:51:27,183 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-14 19:51:27,185 INFO L275 PluginConnector]: CDTParser initialized [2021-06-14 19:51:27,186 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-06-14 19:51:27,242 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead3031e3/1002537402b744e586fc7633656b27b7/FLAGe13cd32e4 [2021-06-14 19:51:27,597 INFO L306 CDTParser]: Found 1 translation units. [2021-06-14 19:51:27,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ForkedModifiesGlobal.c [2021-06-14 19:51:27,598 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 19:51:27,600 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-14 19:51:27,604 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead3031e3/1002537402b744e586fc7633656b27b7/FLAGe13cd32e4 [2021-06-14 19:51:27,614 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead3031e3/1002537402b744e586fc7633656b27b7 [2021-06-14 19:51:27,616 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-14 19:51:27,619 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-14 19:51:27,620 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-14 19:51:27,620 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-14 19:51:27,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-14 19:51:27,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e733cd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27, skipping insertion in model container [2021-06-14 19:51:27,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,632 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-14 19:51:27,646 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-14 19:51:27,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 19:51:27,802 INFO L203 MainTranslator]: Completed pre-run [2021-06-14 19:51:27,816 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-14 19:51:27,827 INFO L208 MainTranslator]: Completed translation [2021-06-14 19:51:27,828 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27 WrapperNode [2021-06-14 19:51:27,828 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-14 19:51:27,829 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-14 19:51:27,829 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-14 19:51:27,830 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-14 19:51:27,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,840 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,852 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-14 19:51:27,853 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-14 19:51:27,853 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-14 19:51:27,853 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-14 19:51:27,883 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,890 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,892 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,893 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,894 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (1/1) ... [2021-06-14 19:51:27,895 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-14 19:51:27,896 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-14 19:51:27,896 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-14 19:51:27,896 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-14 19:51:27,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (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 [2021-06-14 19:51:27,970 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-14 19:51:27,971 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-14 19:51:27,971 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-14 19:51:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-14 19:51:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure myThread [2021-06-14 19:51:27,972 INFO L138 BoogieDeclarations]: Found implementation of procedure myThread [2021-06-14 19:51:27,972 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-14 19:51:27,973 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-14 19:51:28,203 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-14 19:51:28,203 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-14 19:51:28,205 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 07:51:28 BoogieIcfgContainer [2021-06-14 19:51:28,205 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-14 19:51:28,206 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-14 19:51:28,206 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-14 19:51:28,209 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-14 19:51:28,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.06 07:51:27" (1/3) ... [2021-06-14 19:51:28,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7059835f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 07:51:28, skipping insertion in model container [2021-06-14 19:51:28,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.06 07:51:27" (2/3) ... [2021-06-14 19:51:28,210 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7059835f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.06 07:51:28, skipping insertion in model container [2021-06-14 19:51:28,210 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.06 07:51:28" (3/3) ... [2021-06-14 19:51:28,211 INFO L111 eAbstractionObserver]: Analyzing ICFG ForkedModifiesGlobal.c [2021-06-14 19:51:28,215 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-14 19:51:28,216 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-14 19:51:28,216 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-14 19:51:28,216 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-14 19:51:28,257 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,257 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,257 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,258 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,258 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#in~vargp.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,258 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,258 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,259 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,259 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,259 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,259 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,261 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,261 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#t~pre0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,261 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,262 WARN L313 ript$VariableManager]: TermVariabe myThreadThread1of1ForFork0_~vargp.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,262 WARN L313 ript$VariableManager]: TermVariabe |myThreadThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-14 19:51:28,266 INFO L149 ThreadInstanceAdder]: Constructed 0 joinOtherThreadTransitions. [2021-06-14 19:51:28,283 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 [2021-06-14 19:51:28,340 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-14 19:51:28,340 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-14 19:51:28,341 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-14 19:51:28,341 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-14 19:51:28,341 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-14 19:51:28,341 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-14 19:51:28,342 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-14 19:51:28,342 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-14 19:51:28,402 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-14 19:51:28,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.06 07:51:28 BasicIcfg [2021-06-14 19:51:28,404 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-14 19:51:28,406 INFO L168 Benchmark]: Toolchain (without parser) took 785.84 ms. Allocated memory is still 170.9 MB. Free memory was 135.6 MB in the beginning and 129.1 MB in the end (delta: 6.5 MB). Peak memory consumption was 6.2 MB. Max. memory is 8.0 GB. [2021-06-14 19:51:28,406 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 170.9 MB. Free memory is still 152.9 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-14 19:51:28,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 208.02 ms. Allocated memory is still 170.9 MB. Free memory was 135.4 MB in the beginning and 126.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-06-14 19:51:28,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.28 ms. Allocated memory is still 170.9 MB. Free memory was 126.7 MB in the beginning and 125.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-14 19:51:28,409 INFO L168 Benchmark]: Boogie Preprocessor took 41.62 ms. Allocated memory is still 170.9 MB. Free memory was 125.2 MB in the beginning and 153.8 MB in the end (delta: -28.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-06-14 19:51:28,410 INFO L168 Benchmark]: RCFGBuilder took 309.48 ms. Allocated memory is still 170.9 MB. Free memory was 153.7 MB in the beginning and 141.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-14 19:51:28,413 INFO L168 Benchmark]: TraceAbstraction took 197.37 ms. Allocated memory is still 170.9 MB. Free memory was 141.2 MB in the beginning and 129.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-06-14 19:51:28,418 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 170.9 MB. Free memory is still 152.9 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 208.02 ms. Allocated memory is still 170.9 MB. Free memory was 135.4 MB in the beginning and 126.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 23.28 ms. Allocated memory is still 170.9 MB. Free memory was 126.7 MB in the beginning and 125.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 41.62 ms. Allocated memory is still 170.9 MB. Free memory was 125.2 MB in the beginning and 153.8 MB in the end (delta: -28.6 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 309.48 ms. Allocated memory is still 170.9 MB. Free memory was 153.7 MB in the beginning and 141.7 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * TraceAbstraction took 197.37 ms. Allocated memory is still 170.9 MB. Free memory was 141.2 MB in the beginning and 129.1 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 9, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 9, positive unconditional: 45, 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: 54, positive: 54, positive conditional: 0, positive unconditional: 54, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 54, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Persistent set benchmarks Persistent set computation time[ms]: 18, Number of persistent set computation: 43, Number of trivial persistent sets: 34, Underlying independence relation: ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 9, positive unconditional: 45, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: DistributingIndependenceRelation.Independence Queries: [ total: 54, positive: 54, positive conditional: 9, positive unconditional: 45, 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: 54, positive: 54, positive conditional: 0, positive unconditional: 54, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 45, positive: 45, positive conditional: 0, positive unconditional: 45, 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: 54, positive: 9, positive conditional: 0, positive unconditional: 9, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 45, unknown conditional: 0, unknown unconditional: 45] , Statistics on independence cache: Total cache size (in pairs): 45, Positive cache size: 45, Positive conditional cache size: 0, Positive unconditional cache size: 45, Negative cache size: 0, Negative conditional cache size: 0, Negative unconditional cache size: 0 ], Maximal queried relation: 0, Independence queries for same thread: 0 - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 35 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 93.6ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 0.0ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 11.1ms, PartialOrderReductionTime: 37.4ms, 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 - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! Received shutdown request...