/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/automizer/concurrent/svcomp-Reach-32bit-Automizer_Default-noMmResRef-FA-SemanticLbe.epf -i ../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-fae578e [2019-12-18 19:13:10,872 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-18 19:13:10,875 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-18 19:13:10,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-18 19:13:10,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-18 19:13:10,893 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-18 19:13:10,895 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-18 19:13:10,904 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-18 19:13:10,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-18 19:13:10,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-18 19:13:10,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-18 19:13:10,914 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-18 19:13:10,914 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-18 19:13:10,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-18 19:13:10,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-18 19:13:10,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-18 19:13:10,921 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-18 19:13:10,922 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-18 19:13:10,923 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-18 19:13:10,927 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-18 19:13:10,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-18 19:13:10,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-18 19:13:10,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-18 19:13:10,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-18 19:13:10,939 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-18 19:13:10,939 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-18 19:13:10,939 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-18 19:13:10,941 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-18 19:13:10,942 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-18 19:13:10,943 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-18 19:13:10,943 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-18 19:13:10,944 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-18 19:13:10,944 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-18 19:13:10,945 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-18 19:13:10,947 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-18 19:13:10,947 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-18 19:13:10,947 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-18 19:13:10,948 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-18 19:13:10,948 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-18 19:13:10,948 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-18 19:13:10,950 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-18 19:13:10,950 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-SemanticLbe.epf [2019-12-18 19:13:10,972 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-18 19:13:10,972 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-18 19:13:10,973 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-18 19:13:10,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-18 19:13:10,974 INFO L138 SettingsManager]: * Use SBE=true [2019-12-18 19:13:10,974 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-18 19:13:10,974 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-18 19:13:10,974 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-18 19:13:10,974 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-18 19:13:10,975 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-18 19:13:10,975 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-18 19:13:10,975 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-18 19:13:10,975 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-18 19:13:10,975 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-18 19:13:10,975 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-18 19:13:10,976 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-18 19:13:10,976 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-18 19:13:10,976 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-18 19:13:10,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-18 19:13:10,976 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-18 19:13:10,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-18 19:13:10,977 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-18 19:13:10,977 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-18 19:13:10,977 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-18 19:13:10,977 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-18 19:13:10,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-18 19:13:10,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-18 19:13:10,978 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-18 19:13:10,978 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-12-18 19:13:11,251 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-18 19:13:11,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-18 19:13:11,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-18 19:13:11,272 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-18 19:13:11,273 INFO L275 PluginConnector]: CDTParser initialized [2019-12-18 19:13:11,274 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-races/race-1_1-join.i [2019-12-18 19:13:11,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6b0f4c4/70caefea8d9f473dbd0774e937bca042/FLAG46d41efd0 [2019-12-18 19:13:11,959 INFO L306 CDTParser]: Found 1 translation units. [2019-12-18 19:13:11,961 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-races/race-1_1-join.i [2019-12-18 19:13:11,992 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6b0f4c4/70caefea8d9f473dbd0774e937bca042/FLAG46d41efd0 [2019-12-18 19:13:12,156 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5e6b0f4c4/70caefea8d9f473dbd0774e937bca042 [2019-12-18 19:13:12,165 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-18 19:13:12,167 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2019-12-18 19:13:12,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-18 19:13:12,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-18 19:13:12,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-18 19:13:12,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:13:12" (1/1) ... [2019-12-18 19:13:12,175 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61995816 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:12, skipping insertion in model container [2019-12-18 19:13:12,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.12 07:13:12" (1/1) ... [2019-12-18 19:13:12,183 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-18 19:13:12,251 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-18 19:13:12,986 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:13:12,999 INFO L203 MainTranslator]: Completed pre-run [2019-12-18 19:13:13,052 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-18 19:13:13,594 INFO L208 MainTranslator]: Completed translation [2019-12-18 19:13:13,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13 WrapperNode [2019-12-18 19:13:13,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-18 19:13:13,596 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-18 19:13:13,597 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-18 19:13:13,597 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-18 19:13:13,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-18 19:13:13,721 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-18 19:13:13,721 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-18 19:13:13,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-18 19:13:13,736 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,737 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,757 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,757 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,787 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,792 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,805 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (1/1) ... [2019-12-18 19:13:13,827 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-18 19:13:13,828 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-18 19:13:13,828 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-18 19:13:13,828 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-18 19:13:13,830 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (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 [2019-12-18 19:13:13,948 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-12-18 19:13:13,949 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-12-18 19:13:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2019-12-18 19:13:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-12-18 19:13:13,950 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-18 19:13:13,951 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-18 19:13:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-12-18 19:13:13,951 INFO L130 BoogieDeclarations]: Found specification of procedure thread1 [2019-12-18 19:13:13,952 INFO L138 BoogieDeclarations]: Found implementation of procedure thread1 [2019-12-18 19:13:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-12-18 19:13:13,953 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-12-18 19:13:13,955 WARN L205 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-12-18 19:13:14,677 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-18 19:13:14,678 INFO L287 CfgBuilder]: Removed 16 assume(true) statements. [2019-12-18 19:13:14,679 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:13:14 BoogieIcfgContainer [2019-12-18 19:13:14,679 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-18 19:13:14,680 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-18 19:13:14,680 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-18 19:13:14,684 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-18 19:13:14,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.12 07:13:12" (1/3) ... [2019-12-18 19:13:14,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7dd1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:13:14, skipping insertion in model container [2019-12-18 19:13:14,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.12 07:13:13" (2/3) ... [2019-12-18 19:13:14,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a7dd1c8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.12 07:13:14, skipping insertion in model container [2019-12-18 19:13:14,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.12 07:13:14" (3/3) ... [2019-12-18 19:13:14,687 INFO L109 eAbstractionObserver]: Analyzing ICFG race-1_1-join.i [2019-12-18 19:13:14,697 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-12-18 19:13:14,697 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-18 19:13:14,704 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2019-12-18 19:13:14,705 INFO L340 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2019-12-18 19:13:14,731 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,731 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,731 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,732 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,732 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,732 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,732 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,733 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,733 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,733 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,733 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,734 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,734 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,734 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,738 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,738 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,739 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,739 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#t~nondet30| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,739 WARN L315 ript$VariableManager]: TermVariabe thread1Thread1of1ForFork0_ldv_assert_~expression not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,739 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,739 WARN L315 ript$VariableManager]: TermVariabe |thread1Thread1of1ForFork0_ldv_assert_#in~expression| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-12-18 19:13:14,764 INFO L249 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2019-12-18 19:13:14,784 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-18 19:13:14,784 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-18 19:13:14,784 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-18 19:13:14,785 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-18 19:13:14,785 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-18 19:13:14,785 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-18 19:13:14,785 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-18 19:13:14,785 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-18 19:13:14,802 INFO L152 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 82 places, 84 transitions [2019-12-18 19:13:14,804 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions [2019-12-18 19:13:14,845 INFO L126 PetriNetUnfolder]: 5/95 cut-off events. [2019-12-18 19:13:14,845 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:13:14,851 INFO L76 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs. 7/91 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-18 19:13:14,855 INFO L68 FinitePrefix]: Start finitePrefix. Operand has 82 places, 84 transitions [2019-12-18 19:13:14,878 INFO L126 PetriNetUnfolder]: 5/95 cut-off events. [2019-12-18 19:13:14,878 INFO L127 PetriNetUnfolder]: For 0/0 co-relation queries the response was YES. [2019-12-18 19:13:14,880 INFO L76 FinitePrefix]: Finished finitePrefix Result has 100 conditions, 95 events. 5/95 cut-off events. For 0/0 co-relation queries the response was YES. Maximal size of possible extension queue 6. Compared 160 event pairs. 7/91 useless extension candidates. Maximal degree in co-relation 52. Up to 3 conditions per place. [2019-12-18 19:13:14,881 INFO L158 etLargeBlockEncoding]: Number of co-enabled transitions 392 [2019-12-18 19:13:14,883 INFO L170 etLargeBlockEncoding]: Semantic Check. [2019-12-18 19:13:17,880 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 60 [2019-12-18 19:13:18,630 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-18 19:13:18,752 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification that was a NOOP. DAG size: 74 [2019-12-18 19:13:18,917 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-18 19:13:19,066 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 88 [2019-12-18 19:13:19,089 INFO L206 etLargeBlockEncoding]: Checked pairs total: 291 [2019-12-18 19:13:19,090 INFO L214 etLargeBlockEncoding]: Total number of compositions: 100 [2019-12-18 19:13:19,093 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 16 places, 15 transitions [2019-12-18 19:13:19,100 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 25 states. [2019-12-18 19:13:19,102 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2019-12-18 19:13:19,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2 [2019-12-18 19:13:19,107 INFO L403 BasicCegarLoop]: Found error trace [2019-12-18 19:13:19,108 INFO L411 BasicCegarLoop]: trace histogram [1] [2019-12-18 19:13:19,108 INFO L410 AbstractCegarLoop]: === Iteration 1 === [thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, thread1Err0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-18 19:13:19,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-18 19:13:19,113 INFO L82 PathProgramCache]: Analyzing trace with hash 345, now seen corresponding path program 1 times [2019-12-18 19:13:19,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-18 19:13:19,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [785003516] [2019-12-18 19:13:19,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-18 19:13:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-18 19:13:19,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-18 19:13:19,394 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [785003516] [2019-12-18 19:13:19,395 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-18 19:13:19,395 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [0] imperfect sequences [] total 0 [2019-12-18 19:13:19,396 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689566822] [2019-12-18 19:13:19,401 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-12-18 19:13:19,401 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-18 19:13:19,416 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-12-18 19:13:19,417 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 19:13:19,420 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 2 states. [2019-12-18 19:13:19,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-18 19:13:19,433 INFO L93 Difference]: Finished difference Result 17 states and 21 transitions. [2019-12-18 19:13:19,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-18 19:13:19,435 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 1 [2019-12-18 19:13:19,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-18 19:13:19,442 INFO L225 Difference]: With dead ends: 17 [2019-12-18 19:13:19,442 INFO L226 Difference]: Without dead ends: 0 [2019-12-18 19:13:19,444 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-12-18 19:13:19,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-18 19:13:19,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-18 19:13:19,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-18 19:13:19,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-18 19:13:19,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1 [2019-12-18 19:13:19,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-18 19:13:19,471 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-18 19:13:19,471 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-12-18 19:13:19,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-18 19:13:19,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-18 19:13:19,476 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.12 07:13:19 BasicIcfg [2019-12-18 19:13:19,476 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-18 19:13:19,478 INFO L168 Benchmark]: Toolchain (without parser) took 7311.46 ms. Allocated memory was 145.8 MB in the beginning and 276.3 MB in the end (delta: 130.5 MB). Free memory was 100.4 MB in the beginning and 209.3 MB in the end (delta: -108.9 MB). Peak memory consumption was 21.6 MB. Max. memory is 7.1 GB. [2019-12-18 19:13:19,479 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-12-18 19:13:19,480 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1428.21 ms. Allocated memory was 145.8 MB in the beginning and 237.0 MB in the end (delta: 91.2 MB). Free memory was 100.0 MB in the beginning and 170.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. [2019-12-18 19:13:19,481 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.42 ms. Allocated memory is still 237.0 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2019-12-18 19:13:19,482 INFO L168 Benchmark]: Boogie Preprocessor took 106.39 ms. Allocated memory is still 237.0 MB. Free memory was 166.3 MB in the beginning and 164.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-12-18 19:13:19,483 INFO L168 Benchmark]: RCFGBuilder took 851.40 ms. Allocated memory is still 237.0 MB. Free memory was 164.8 MB in the beginning and 126.6 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-12-18 19:13:19,484 INFO L168 Benchmark]: TraceAbstraction took 4795.83 ms. Allocated memory was 237.0 MB in the beginning and 276.3 MB in the end (delta: 39.3 MB). Free memory was 125.2 MB in the beginning and 209.3 MB in the end (delta: -84.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-12-18 19:13:19,488 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 145.8 MB. Free memory was 122.2 MB in the beginning and 122.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1428.21 ms. Allocated memory was 145.8 MB in the beginning and 237.0 MB in the end (delta: 91.2 MB). Free memory was 100.0 MB in the beginning and 170.6 MB in the end (delta: -70.6 MB). Peak memory consumption was 73.9 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 124.42 ms. Allocated memory is still 237.0 MB. Free memory was 170.6 MB in the beginning and 166.3 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 106.39 ms. Allocated memory is still 237.0 MB. Free memory was 166.3 MB in the beginning and 164.8 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 851.40 ms. Allocated memory is still 237.0 MB. Free memory was 164.8 MB in the beginning and 126.6 MB in the end (delta: 38.2 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4795.83 ms. Allocated memory was 237.0 MB in the beginning and 276.3 MB in the end (delta: 39.3 MB). Free memory was 125.2 MB in the beginning and 209.3 MB in the end (delta: -84.1 MB). There was no memory consumed. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks LbeTime: 4.2s, 82 ProgramPointsBefore, 16 ProgramPointsAfterwards, 84 TransitionsBefore, 15 TransitionsAfterwards, 392 CoEnabledTransitionPairs, 8 FixpointIterations, 65 TrivialSequentialCompositions, 24 ConcurrentSequentialCompositions, 4 TrivialYvCompositions, 7 ConcurrentYvCompositions, 4 ChoiceCompositions, 203 VarBasedMoverChecksPositive, 0 VarBasedMoverChecksNegative, 0 SemBasedMoverChecksPositive, 0 SemBasedMoverChecksNegative, 0 SemBasedMoverChecksUnknown, SemBasedMoverCheckTime: 0.0s, 0 MoverChecksTotal, 291 CheckedPairsTotal, 100 TotalNumberOfCompositions - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 1682]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 79 locations, 4 error locations. Result: SAFE, OverallTime: 4.6s, OverallIterations: 1, TraceHistogramMax: 1, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 10 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 1 NumberOfCodeBlocks, 1 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...