/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-FA-NoLbe-Delay.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/simpleReturn.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-98196c323137eee61a7c1131837b356358d783d4-98196c3 [2021-06-16 16:30:36,403 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-06-16 16:30:36,405 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-06-16 16:30:36,444 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-06-16 16:30:36,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-06-16 16:30:36,449 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-06-16 16:30:36,453 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-06-16 16:30:36,462 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-06-16 16:30:36,465 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-06-16 16:30:36,471 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-06-16 16:30:36,471 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-06-16 16:30:36,472 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-06-16 16:30:36,473 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-06-16 16:30:36,473 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-06-16 16:30:36,474 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-06-16 16:30:36,475 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-06-16 16:30:36,476 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-06-16 16:30:36,476 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-06-16 16:30:36,478 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-06-16 16:30:36,479 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-06-16 16:30:36,480 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-06-16 16:30:36,484 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-06-16 16:30:36,485 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-06-16 16:30:36,488 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-06-16 16:30:36,498 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-06-16 16:30:36,499 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-06-16 16:30:36,499 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-06-16 16:30:36,500 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-06-16 16:30:36,501 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-06-16 16:30:36,504 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-06-16 16:30:36,504 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-06-16 16:30:36,505 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-06-16 16:30:36,506 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-06-16 16:30:36,507 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-06-16 16:30:36,508 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-06-16 16:30:36,508 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-06-16 16:30:36,508 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-06-16 16:30:36,509 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-06-16 16:30:36,509 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-06-16 16:30:36,519 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-06-16 16:30:36,519 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-06-16 16:30:36,523 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-Delay.epf [2021-06-16 16:30:36,561 INFO L113 SettingsManager]: Loading preferences was successful [2021-06-16 16:30:36,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-06-16 16:30:36,564 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-06-16 16:30:36,565 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-06-16 16:30:36,565 INFO L138 SettingsManager]: * Use SBE=true [2021-06-16 16:30:36,565 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-06-16 16:30:36,565 INFO L138 SettingsManager]: * sizeof long=4 [2021-06-16 16:30:36,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-06-16 16:30:36,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-06-16 16:30:36,566 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-06-16 16:30:36,566 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-06-16 16:30:36,566 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-06-16 16:30:36,567 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-06-16 16:30:36,567 INFO L138 SettingsManager]: * sizeof long double=12 [2021-06-16 16:30:36,567 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-06-16 16:30:36,567 INFO L138 SettingsManager]: * Use constant arrays=true [2021-06-16 16:30:36,567 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-06-16 16:30:36,567 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-06-16 16:30:36,568 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-06-16 16:30:36,568 INFO L138 SettingsManager]: * To the following directory=./dump/ [2021-06-16 16:30:36,568 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-06-16 16:30:36,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-06-16 16:30:36,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-06-16 16:30:36,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-06-16 16:30:36,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-06-16 16:30:36,569 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-06-16 16:30:36,569 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-06-16 16:30:36,569 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-06-16 16:30:36,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-06-16 16:30:36,569 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=SLEEP_DELAY_SET [2021-06-16 16:30:36,569 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-06-16 16:30:36,865 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-06-16 16:30:36,883 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-06-16 16:30:36,885 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-06-16 16:30:36,886 INFO L271 PluginConnector]: Initializing CDTParser... [2021-06-16 16:30:36,887 INFO L275 PluginConnector]: CDTParser initialized [2021-06-16 16:30:36,888 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/simpleReturn.c [2021-06-16 16:30:36,941 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7be5804/0031efd1b234452d84df105f05764be0/FLAG936936075 [2021-06-16 16:30:37,495 INFO L306 CDTParser]: Found 1 translation units. [2021-06-16 16:30:37,496 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/simpleReturn.c [2021-06-16 16:30:37,496 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:30:37,496 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2021-06-16 16:30:37,531 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7be5804/0031efd1b234452d84df105f05764be0/FLAG936936075 [2021-06-16 16:30:37,748 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6a7be5804/0031efd1b234452d84df105f05764be0 [2021-06-16 16:30:37,751 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-06-16 16:30:37,753 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-06-16 16:30:37,755 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-06-16 16:30:37,755 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-06-16 16:30:37,758 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-06-16 16:30:37,759 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:37,760 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@63c5a084 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37, skipping insertion in model container [2021-06-16 16:30:37,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:37,766 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-06-16 16:30:37,779 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-06-16 16:30:37,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:30:37,913 INFO L203 MainTranslator]: Completed pre-run [2021-06-16 16:30:37,923 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-06-16 16:30:37,948 INFO L208 MainTranslator]: Completed translation [2021-06-16 16:30:37,949 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37 WrapperNode [2021-06-16 16:30:37,949 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-06-16 16:30:37,950 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-06-16 16:30:37,950 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-06-16 16:30:37,950 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-06-16 16:30:37,956 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:37,975 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:37,992 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-06-16 16:30:37,993 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-06-16 16:30:37,993 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-06-16 16:30:37,994 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-06-16 16:30:38,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:38,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:38,002 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:38,002 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:38,006 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:38,007 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:38,008 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (1/1) ... [2021-06-16 16:30:38,009 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-06-16 16:30:38,010 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-06-16 16:30:38,010 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-06-16 16:30:38,010 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-06-16 16:30:38,011 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (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 [2021-06-16 16:30:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-06-16 16:30:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-06-16 16:30:38,072 INFO L130 BoogieDeclarations]: Found specification of procedure bar [2021-06-16 16:30:38,073 INFO L138 BoogieDeclarations]: Found implementation of procedure bar [2021-06-16 16:30:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-06-16 16:30:38,074 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-06-16 16:30:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-06-16 16:30:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-06-16 16:30:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-06-16 16:30:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-06-16 16:30:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-06-16 16:30:38,076 WARN L209 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2021-06-16 16:30:38,352 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-06-16 16:30:38,353 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-06-16 16:30:38,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:30:38 BoogieIcfgContainer [2021-06-16 16:30:38,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-06-16 16:30:38,355 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-06-16 16:30:38,355 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-06-16 16:30:38,358 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-06-16 16:30:38,358 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.06 04:30:37" (1/3) ... [2021-06-16 16:30:38,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53738bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:30:38, skipping insertion in model container [2021-06-16 16:30:38,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.06 04:30:37" (2/3) ... [2021-06-16 16:30:38,359 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53738bd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.06 04:30:38, skipping insertion in model container [2021-06-16 16:30:38,359 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.06 04:30:38" (3/3) ... [2021-06-16 16:30:38,360 INFO L111 eAbstractionObserver]: Analyzing ICFG simpleReturn.c [2021-06-16 16:30:38,365 WARN L148 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2021-06-16 16:30:38,366 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-06-16 16:30:38,366 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-06-16 16:30:38,366 INFO L470 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2021-06-16 16:30:38,397 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,397 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,397 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,397 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,398 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,398 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#in~b.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,398 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,398 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,398 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,398 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,399 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,400 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,400 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,400 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,400 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,400 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,400 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,400 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,401 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,401 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,401 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,401 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,401 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,402 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,404 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,405 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#t~mem0| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,405 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,405 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,405 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~c~0.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,405 WARN L313 ript$VariableManager]: TermVariabe barThread1of1ForFork0_~b.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,405 WARN L313 ript$VariableManager]: TermVariabe |barThread1of1ForFork0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2021-06-16 16:30:38,427 INFO L149 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2021-06-16 16:30:38,445 INFO L255 AbstractCegarLoop]: Starting to check reachability of 2 error locations. [2021-06-16 16:30:38,477 INFO L378 AbstractCegarLoop]: Interprodecural is true [2021-06-16 16:30:38,477 INFO L379 AbstractCegarLoop]: Hoare is false [2021-06-16 16:30:38,477 INFO L380 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-06-16 16:30:38,478 INFO L381 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-06-16 16:30:38,478 INFO L382 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-06-16 16:30:38,478 INFO L383 AbstractCegarLoop]: Difference is false [2021-06-16 16:30:38,478 INFO L384 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-06-16 16:30:38,478 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.start======== [2021-06-16 16:30:38,568 INFO L276 IsEmpty]: Start isEmpty. Operand has 73 states, 67 states have (on average 1.0895522388059702) internal successors, (73), 72 states have internal predecessors, (73), 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) [2021-06-16 16:30:38,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-06-16 16:30:38,577 INFO L464 BasicCegarLoop]: Found error trace [2021-06-16 16:30:38,578 INFO L472 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-06-16 16:30:38,578 INFO L430 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0INUSE_VIOLATION, ULTIMATE.startErr0ASSERT_VIOLATIONASSERT]=== [2021-06-16 16:30:38,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-06-16 16:30:38,583 INFO L82 PathProgramCache]: Analyzing trace with hash 800190614, now seen corresponding path program 1 times [2021-06-16 16:30:38,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-06-16 16:30:38,591 INFO L361 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1017897539] [2021-06-16 16:30:38,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-06-16 16:30:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-06-16 16:30:38,913 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:38,914 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 1 [2021-06-16 16:30:38,915 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:38,916 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 5 [2021-06-16 16:30:38,932 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:38,934 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 10 [2021-06-16 16:30:38,946 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:38,947 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 16:30:38,973 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:38,975 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 17 [2021-06-16 16:30:38,977 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:38,978 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2021-06-16 16:30:39,000 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,001 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:39,020 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,022 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:39,042 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,045 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:39,069 INFO L142 QuantifierPusher]: treesize reduction 10, result has 44.4 percent of original size [2021-06-16 16:30:39,071 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 8 [2021-06-16 16:30:39,096 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,097 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:39,125 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,126 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:39,159 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,160 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 12 [2021-06-16 16:30:39,189 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,191 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2021-06-16 16:30:39,218 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,219 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:30:39,250 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,251 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 7 [2021-06-16 16:30:39,279 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,281 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:30:39,307 INFO L142 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2021-06-16 16:30:39,310 INFO L147 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 3 [2021-06-16 16:30:39,335 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-06-16 16:30:39,336 INFO L179 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-06-16 16:30:39,336 INFO L361 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1017897539] [2021-06-16 16:30:39,336 INFO L200 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1017897539] provided 1 perfect and 0 imperfect interpolant sequences [2021-06-16 16:30:39,337 INFO L226 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-06-16 16:30:39,337 INFO L239 FreeRefinementEngine]: Number of different interpolants: perfect sequences [17] imperfect sequences [] total 17 [2021-06-16 16:30:39,337 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885371571] [2021-06-16 16:30:39,339 INFO L462 AbstractCegarLoop]: Interpolant automaton has 18 states [2021-06-16 16:30:39,340 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-06-16 16:30:39,350 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2021-06-16 16:30:39,351 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=272, Unknown=0, NotChecked=0, Total=306 [2021-06-16 16:30:39,353 INFO L87 Difference]: Start difference. First operand has 73 states, 67 states have (on average 1.0895522388059702) internal successors, (73), 72 states have internal predecessors, (73), 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) Second operand has 18 states, 17 states have (on average 2.0) internal successors, (34), 18 states have internal predecessors, (34), 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) [2021-06-16 16:30:40,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-06-16 16:30:40,303 INFO L93 Difference]: Finished difference Result 72 states and 72 transitions. [2021-06-16 16:30:40,303 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2021-06-16 16:30:40,304 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 2.0) internal successors, (34), 18 states have internal predecessors, (34), 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) Word has length 34 [2021-06-16 16:30:40,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-06-16 16:30:40,309 INFO L225 Difference]: With dead ends: 72 [2021-06-16 16:30:40,309 INFO L226 Difference]: Without dead ends: 0 [2021-06-16 16:30:40,311 INFO L728 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1018.8ms TimeCoverageRelationStatistics Valid=271, Invalid=1289, Unknown=0, NotChecked=0, Total=1560 [2021-06-16 16:30:40,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-06-16 16:30:40,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-06-16 16:30:40,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2021-06-16 16:30:40,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-06-16 16:30:40,330 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2021-06-16 16:30:40,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-06-16 16:30:40,330 INFO L482 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-06-16 16:30:40,330 INFO L483 AbstractCegarLoop]: Interpolant automaton has has 18 states, 17 states have (on average 2.0) internal successors, (34), 18 states have internal predecessors, (34), 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) [2021-06-16 16:30:40,331 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-06-16 16:30:40,331 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-06-16 16:30:40,331 WARN L519 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-06-16 16:30:40,332 INFO L247 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2021-06-16 16:30:40,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.06 04:30:40 BasicIcfg [2021-06-16 16:30:40,337 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-06-16 16:30:40,338 INFO L168 Benchmark]: Toolchain (without parser) took 2584.95 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 153.9 MB in the beginning and 195.5 MB in the end (delta: -41.6 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:30:40,338 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 190.8 MB. Free memory is still 172.1 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:30:40,339 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.17 ms. Allocated memory is still 190.8 MB. Free memory was 153.6 MB in the beginning and 174.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:40,339 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.37 ms. Allocated memory is still 190.8 MB. Free memory was 174.7 MB in the beginning and 173.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:40,340 INFO L168 Benchmark]: Boogie Preprocessor took 15.98 ms. Allocated memory is still 190.8 MB. Free memory was 173.1 MB in the beginning and 172.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:40,340 INFO L168 Benchmark]: RCFGBuilder took 344.23 ms. Allocated memory is still 190.8 MB. Free memory was 172.0 MB in the beginning and 155.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. [2021-06-16 16:30:40,340 INFO L168 Benchmark]: TraceAbstraction took 1981.50 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 155.2 MB in the beginning and 195.5 MB in the end (delta: -40.3 MB). There was no memory consumed. Max. memory is 8.0 GB. [2021-06-16 16:30:40,343 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 190.8 MB. Free memory is still 172.1 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 194.17 ms. Allocated memory is still 190.8 MB. Free memory was 153.6 MB in the beginning and 174.7 MB in the end (delta: -21.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 42.37 ms. Allocated memory is still 190.8 MB. Free memory was 174.7 MB in the beginning and 173.1 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 15.98 ms. Allocated memory is still 190.8 MB. Free memory was 173.1 MB in the beginning and 172.0 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 8.0 GB. * RCFGBuilder took 344.23 ms. Allocated memory is still 190.8 MB. Free memory was 172.0 MB in the beginning and 155.8 MB in the end (delta: 16.3 MB). Peak memory consumption was 15.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1981.50 ms. Allocated memory was 190.8 MB in the beginning and 229.6 MB in the end (delta: 38.8 MB). Free memory was 155.2 MB in the beginning and 195.5 MB in the end (delta: -40.3 MB). There was no memory consumed. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Independence relation benchmarks ThreadSeparatingIndependenceRelation.Independence Queries: [ total: 29, positive: 27, positive conditional: 27, positive unconditional: 0, negative: 2, negative conditional: 2, negative unconditional: 0, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , ThreadSeparatingIndependenceRelation.Statistics on underlying relation: CachedIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 28, positive: 27, positive conditional: 0, positive unconditional: 27, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 1, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 1, negative conditional: 0, negative unconditional: 1, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 14, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 14, negative conditional: 0, negative unconditional: 14, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 28, positive: 0, positive conditional: 0, positive unconditional: 0, negative: 0, negative conditional: 0, negative unconditional: 0, unknown: 28, unknown conditional: 0, unknown unconditional: 28] , Statistics on independence cache: Total cache size (in pairs): 28, Positive cache size: 27, Positive conditional cache size: 0, Positive unconditional cache size: 27, Negative cache size: 1, Negative conditional cache size: 0, Negative unconditional cache size: 1, Independence queries for same thread: 1 - PositiveResult [Line: 30]: assertion always holds For all program executions holds that assertion always holds at this location - StatisticsResult: Ultimate Automizer benchmark data for errors in thread instance: ULTIMATE.start with 1 thread instances CFG has 3 procedures, 55 locations, 2 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1856.5ms, OverallIterations: 1, TraceHistogramMax: 1, EmptinessCheckTime: 12.3ms, AutomataDifference: 970.3ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 0.0ms, InitialAbstractionConstructionTime: 86.5ms, PartialOrderReductionTime: 72.6ms, HoareTripleCheckerStatistics: 27 SDtfs, 137 SDslu, 290 SDs, 0 SdLazy, 331 SolverSat, 21 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 195.5ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 40 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 182 ImplicationChecksByTransitivity, 1018.8ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=73occurred in iteration=0, InterpolantAutomatonStates: 25, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 7.4ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 16.7ms SsaConstructionTime, 104.3ms SatisfiabilityAnalysisTime, 558.0ms InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 33 ConstructedInterpolants, 0 QuantifiedInterpolants, 318 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, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! Received shutdown request...