/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-FA-NoLbe.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98707888a4ba860d5b57d27ee0e051c5b948cbbf-9870788 [2021-06-01 17:05:15,675 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-01 17:05:15,677 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-01 17:05:15,706 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2021-06-01 17:05:15,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-01 17:05:15,723 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-01 17:05:15,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-01 17:05:15,724 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-01 17:05:15,726 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-01 17:05:15,727 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-01 17:05:15,728 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-01 17:05:15,732 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-01 17:05:15,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-01 17:05:15,734 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-01 17:05:15,734 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-01 17:05:15,736 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-01 17:05:15,740 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2021-06-01 17:05:15,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-01 17:05:15,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-01 17:05:15,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-01 17:05:15,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-01 17:05:15,766 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-01 17:05:15,766 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-01 17:05:15,767 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-01 17:05:15,767 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-01 17:05:15,767 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-01 17:05:15,768 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-01 17:05:15,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-01 17:05:15,769 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-FA-NoLbe.epf [2021-06-01 17:05:15,798 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-01 17:05:15,798 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-01 17:05:15,798 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-06-01 17:05:15,798 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-06-01 17:05:15,800 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-01 17:05:15,800 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-01 17:05:15,800 INFO L138 SettingsManager]: * Use SBE=true [2021-06-01 17:05:15,801 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-01 17:05:15,801 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-01 17:05:15,801 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-01 17:05:15,801 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-01 17:05:15,801 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-01 17:05:15,801 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-01 17:05:15,801 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-01 17:05:15,802 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-01 17:05:15,802 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-01 17:05:15,802 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-01 17:05:15,803 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-01 17:05:15,803 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-01 17:05:15,803 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-01 17:05:15,803 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-01 17:05:15,803 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-01 17:05:15,803 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-01 17:05:16,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-01 17:05:16,068 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-01 17:05:16,070 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-01 17:05:16,071 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-01 17:05:16,071 INFO L275 PluginConnector]: CDTParser initialized [2021-06-01 17:05:16,071 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-06-01 17:05:16,124 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fe359d8/1306bd1a77b94eb29687767db75949b9/FLAGc47a50e9d [2021-06-01 17:05:16,417 INFO L306 CDTParser]: Found 1 translation units. [2021-06-01 17:05:16,418 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/pthreadExitNull-safe.c [2021-06-01 17:05:16,418 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-01 17:05:16,418 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-01 17:05:16,437 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fe359d8/1306bd1a77b94eb29687767db75949b9/FLAGc47a50e9d [2021-06-01 17:05:16,858 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a7fe359d8/1306bd1a77b94eb29687767db75949b9 [2021-06-01 17:05:16,861 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-01 17:05:16,863 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-01 17:05:16,871 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-01 17:05:16,872 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-01 17:05:16,874 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-01 17:05:16,874 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 05:05:16" (1/1) ... [2021-06-01 17:05:16,876 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2dc87b41 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:16, skipping insertion in model container [2021-06-01 17:05:16,876 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.06 05:05:16" (1/1) ... [2021-06-01 17:05:16,880 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-01 17:05:16,888 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-01 17:05:16,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 17:05:16,984 INFO L203 MainTranslator]: Completed pre-run [2021-06-01 17:05:16,990 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-01 17:05:17,001 INFO L208 MainTranslator]: Completed translation [2021-06-01 17:05:17,001 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17 WrapperNode [2021-06-01 17:05:17,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-01 17:05:17,002 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-01 17:05:17,002 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-01 17:05:17,002 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-01 17:05:17,006 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,014 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-01 17:05:17,024 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-01 17:05:17,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-01 17:05:17,024 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-01 17:05:17,028 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,034 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,043 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,044 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (1/1) ... [2021-06-01 17:05:17,045 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-01 17:05:17,045 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-01 17:05:17,045 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-01 17:05:17,045 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-01 17:05:17,046 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (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 17:05:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-01 17:05:17,099 INFO L130 BoogieDeclarations]: Found specification of procedure foo [2021-06-01 17:05:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure foo [2021-06-01 17:05:17,100 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-01 17:05:17,100 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-01 17:05:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-01 17:05:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-01 17:05:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-01 17:05:17,102 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-01 17:05:17,103 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 17:05:17,269 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-01 17:05:17,269 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-01 17:05:17,270 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 05:05:17 BoogieIcfgContainer [2021-06-01 17:05:17,270 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-01 17:05:17,283 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-01 17:05:17,283 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-01 17:05:17,285 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-01 17:05:17,285 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.06 05:05:16" (1/3) ... [2021-06-01 17:05:17,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d9a2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 05:05:17, skipping insertion in model container [2021-06-01 17:05:17,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.06 05:05:17" (2/3) ... [2021-06-01 17:05:17,286 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73d9a2c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.06 05:05:17, skipping insertion in model container [2021-06-01 17:05:17,286 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.06 05:05:17" (3/3) ... [2021-06-01 17:05:17,287 INFO L111 eAbstractionObserver]: Analyzing ICFG pthreadExitNull-safe.c [2021-06-01 17:05:17,292 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-01 17:05:17,292 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-01 17:05:17,292 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-06-01 17:05:17,293 INFO L471 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-01 17:05:17,317 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,317 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#in~n.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,318 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,319 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,320 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,321 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,322 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,322 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,322 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,323 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,324 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,324 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~n.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,324 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~post1| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,324 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,324 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,324 WARN L313 ript$VariableManager]: TermVariabe fooThread1of1ForFork0_~ret~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,324 WARN L313 ript$VariableManager]: TermVariabe |fooThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-01 17:05:17,329 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-01 17:05:17,342 INFO L255 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-06-01 17:05:17,354 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-01 17:05:17,354 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-01 17:05:17,354 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-01 17:05:17,354 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-01 17:05:17,355 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-01 17:05:17,355 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-01 17:05:17,355 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-01 17:05:17,355 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-01 17:05:17,361 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 38 places, 34 transitions, 76 flow [2021-06-01 17:05:17,368 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 61 states, 60 states have (on average 1.45) internal successors, (87), 60 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:05:17,370 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 60 states have (on average 1.45) internal successors, (87), 60 states have internal predecessors, (87), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-06-01 17:05:17,374 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-01 17:05:17,375 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-01 17:05:17,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.06 05:05:17 BasicIcfg [2021-06-01 17:05:17,377 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-01 17:05:17,378 INFO L168 Benchmark]: Toolchain (without parser) took 515.12 ms. Allocated memory is still 327.2 MB. Free memory was 289.8 MB in the beginning and 282.7 MB in the end (delta: 7.1 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.0 GB. [2021-06-01 17:05:17,379 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 327.2 MB. Free memory is still 308.0 MB. There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 17:05:17,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.26 ms. Allocated memory is still 327.2 MB. Free memory was 289.5 MB in the beginning and 311.0 MB in the end (delta: -21.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. [2021-06-01 17:05:17,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 21.09 ms. Allocated memory is still 327.2 MB. Free memory was 311.0 MB in the beginning and 310.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. [2021-06-01 17:05:17,380 INFO L168 Benchmark]: Boogie Preprocessor took 21.12 ms. Allocated memory is still 327.2 MB. Free memory was 310.0 MB in the beginning and 308.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. [2021-06-01 17:05:17,382 INFO L168 Benchmark]: RCFGBuilder took 224.55 ms. Allocated memory is still 327.2 MB. Free memory was 308.7 MB in the beginning and 293.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. [2021-06-01 17:05:17,382 INFO L168 Benchmark]: TraceAbstraction took 93.93 ms. Allocated memory is still 327.2 MB. Free memory was 292.1 MB in the beginning and 282.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. [2021-06-01 17:05:17,387 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 327.2 MB. Free memory is still 308.0 MB. There was no memory consumed. Max. memory is 16.0 GB. * CACSL2BoogieTranslator took 130.26 ms. Allocated memory is still 327.2 MB. Free memory was 289.5 MB in the beginning and 311.0 MB in the end (delta: -21.5 MB). Peak memory consumption was 7.3 MB. Max. memory is 16.0 GB. * Boogie Procedure Inliner took 21.09 ms. Allocated memory is still 327.2 MB. Free memory was 311.0 MB in the beginning and 310.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.0 GB. * Boogie Preprocessor took 21.12 ms. Allocated memory is still 327.2 MB. Free memory was 310.0 MB in the beginning and 308.7 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.0 GB. * RCFGBuilder took 224.55 ms. Allocated memory is still 327.2 MB. Free memory was 308.7 MB in the beginning and 293.2 MB in the end (delta: 15.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.0 GB. * TraceAbstraction took 93.93 ms. Allocated memory is still 327.2 MB. Free memory was 292.1 MB in the beginning and 282.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 46 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 21.5ms, OverallIterations: 0, TraceHistogramMax: 0, EmptinessCheckTime: 5.1ms, AutomataDifference: 0.0ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 13.7ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred 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...