/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-MCRwithoutDepranks-Lazy.epf -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -i ../../../trunk/examples/concurrent/pthreads/regression/ex1.c -------------------------------------------------------------------------------- This is Ultimate 0.2.2-wip.dk.mcr-reduction-c7b2d19 [2022-03-16 21:22:39,610 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-03-16 21:22:39,639 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-03-16 21:22:39,710 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-03-16 21:22:39,711 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-03-16 21:22:39,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-03-16 21:22:39,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-03-16 21:22:39,724 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-03-16 21:22:39,725 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-03-16 21:22:39,732 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-03-16 21:22:39,733 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-03-16 21:22:39,734 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-03-16 21:22:39,734 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-03-16 21:22:39,735 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-03-16 21:22:39,736 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-03-16 21:22:39,737 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-03-16 21:22:39,737 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-03-16 21:22:39,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-03-16 21:22:39,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-03-16 21:22:39,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-03-16 21:22:39,742 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-03-16 21:22:39,745 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-03-16 21:22:39,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-03-16 21:22:39,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-03-16 21:22:39,757 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-03-16 21:22:39,758 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-03-16 21:22:39,758 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-03-16 21:22:39,760 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-03-16 21:22:39,760 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-03-16 21:22:39,761 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-03-16 21:22:39,761 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-03-16 21:22:39,762 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-03-16 21:22:39,763 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-03-16 21:22:39,764 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-03-16 21:22:39,765 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-03-16 21:22:39,765 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-03-16 21:22:39,766 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-03-16 21:22:39,766 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-03-16 21:22:39,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-03-16 21:22:39,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-03-16 21:22:39,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-03-16 21:22:39,770 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-MCRwithoutDepranks-Lazy.epf [2022-03-16 21:22:39,809 INFO L113 SettingsManager]: Loading preferences was successful [2022-03-16 21:22:39,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-03-16 21:22:39,810 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-03-16 21:22:39,810 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-03-16 21:22:39,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-03-16 21:22:39,812 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-03-16 21:22:39,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-03-16 21:22:39,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-03-16 21:22:39,812 INFO L138 SettingsManager]: * Use SBE=true [2022-03-16 21:22:39,813 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-03-16 21:22:39,813 INFO L138 SettingsManager]: * sizeof long=4 [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * sizeof long double=12 [2022-03-16 21:22:39,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-03-16 21:22:39,815 INFO L138 SettingsManager]: * Use constant arrays=true [2022-03-16 21:22:39,815 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-03-16 21:22:39,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-03-16 21:22:39,815 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-03-16 21:22:39,815 INFO L138 SettingsManager]: * To the following directory=./dump/ [2022-03-16 21:22:39,815 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-03-16 21:22:39,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 21:22:39,816 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-03-16 21:22:39,816 INFO L138 SettingsManager]: * Construct finite automaton lazily=true [2022-03-16 21:22:39,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-03-16 21:22:39,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-03-16 21:22:39,816 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-03-16 21:22:39,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-03-16 21:22:39,817 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2022-03-16 21:22:39,817 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PARTIAL_ORDER_FA [2022-03-16 21:22:39,817 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-03-16 21:22:39,817 INFO L138 SettingsManager]: * Partial Order Reduction in concurrent analysis=MCR_WITHOUT_DEPRANKS [2022-03-16 21:22:39,817 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2022-03-16 21:22:40,084 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-03-16 21:22:40,107 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-03-16 21:22:40,110 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-03-16 21:22:40,112 INFO L271 PluginConnector]: Initializing CDTParser... [2022-03-16 21:22:40,113 INFO L275 PluginConnector]: CDTParser initialized [2022-03-16 21:22:40,114 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/concurrent/pthreads/regression/ex1.c [2022-03-16 21:22:40,177 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac45d7d8/e6222cccf22d49dd9b0e5e83e7744c84/FLAG34c8b8bbf [2022-03-16 21:22:40,605 INFO L306 CDTParser]: Found 1 translation units. [2022-03-16 21:22:40,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/concurrent/pthreads/regression/ex1.c [2022-03-16 21:22:40,605 WARN L117 ultiparseSymbolTable]: System include stdio.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 21:22:40,605 WARN L117 ultiparseSymbolTable]: System include pthread.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 21:22:40,605 WARN L117 ultiparseSymbolTable]: System include stdlib.h could not be resolved by CDT -- only built-in system includes are available. [2022-03-16 21:22:40,612 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac45d7d8/e6222cccf22d49dd9b0e5e83e7744c84/FLAG34c8b8bbf [2022-03-16 21:22:40,623 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aac45d7d8/e6222cccf22d49dd9b0e5e83e7744c84 [2022-03-16 21:22:40,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-03-16 21:22:40,629 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2022-03-16 21:22:40,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-03-16 21:22:40,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-03-16 21:22:40,635 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-03-16 21:22:40,636 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,638 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a3736b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40, skipping insertion in model container [2022-03-16 21:22:40,638 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,660 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-03-16 21:22:40,672 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-03-16 21:22:40,889 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 21:22:40,906 INFO L203 MainTranslator]: Completed pre-run [2022-03-16 21:22:40,919 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-03-16 21:22:40,930 INFO L208 MainTranslator]: Completed translation [2022-03-16 21:22:40,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40 WrapperNode [2022-03-16 21:22:40,931 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-03-16 21:22:40,934 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-03-16 21:22:40,934 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-03-16 21:22:40,934 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-03-16 21:22:40,940 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,946 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,959 INFO L137 Inliner]: procedures = 10, calls = 10, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-03-16 21:22:40,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-03-16 21:22:40,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-03-16 21:22:40,961 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-03-16 21:22:40,961 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-03-16 21:22:40,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,977 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,981 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,981 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,983 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-03-16 21:22:40,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-03-16 21:22:40,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-03-16 21:22:40,986 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-03-16 21:22:40,987 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (1/1) ... [2022-03-16 21:22:40,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-03-16 21:22:41,002 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2022-03-16 21:22:41,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-03-16 21:22:41,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-03-16 21:22:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-03-16 21:22:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure worker_thread [2022-03-16 21:22:41,062 INFO L138 BoogieDeclarations]: Found implementation of procedure worker_thread [2022-03-16 21:22:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-03-16 21:22:41,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-03-16 21:22:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-03-16 21:22:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2022-03-16 21:22:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-03-16 21:22:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-03-16 21:22:41,064 WARN L208 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-03-16 21:22:41,140 INFO L234 CfgBuilder]: Building ICFG [2022-03-16 21:22:41,141 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2022-03-16 21:22:41,292 INFO L275 CfgBuilder]: Performing block encoding [2022-03-16 21:22:41,298 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-03-16 21:22:41,298 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2022-03-16 21:22:41,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:22:41 BoogieIcfgContainer [2022-03-16 21:22:41,300 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-03-16 21:22:41,302 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-03-16 21:22:41,302 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-03-16 21:22:41,322 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-03-16 21:22:41,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.03 09:22:40" (1/3) ... [2022-03-16 21:22:41,323 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6578afd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:22:41, skipping insertion in model container [2022-03-16 21:22:41,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.03 09:22:40" (2/3) ... [2022-03-16 21:22:41,324 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6578afd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.03 09:22:41, skipping insertion in model container [2022-03-16 21:22:41,324 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.03 09:22:41" (3/3) ... [2022-03-16 21:22:41,325 INFO L111 eAbstractionObserver]: Analyzing ICFG ex1.c [2022-03-16 21:22:41,330 WARN L150 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-03-16 21:22:41,330 INFO L205 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-03-16 21:22:41,330 INFO L164 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2022-03-16 21:22:41,331 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6578afd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.03 09:22:41, skipping insertion in model container [2022-03-16 21:22:41,331 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-03-16 21:22:41,333 INFO L158 Benchmark]: Toolchain (without parser) took 703.17ms. Allocated memory was 195.0MB in the beginning and 311.4MB in the end (delta: 116.4MB). Free memory was 140.8MB in the beginning and 269.7MB in the end (delta: -128.9MB). There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 21:22:41,333 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. [2022-03-16 21:22:41,334 INFO L158 Benchmark]: CACSL2BoogieTranslator took 300.07ms. Allocated memory was 195.0MB in the beginning and 311.4MB in the end (delta: 116.4MB). Free memory was 140.6MB in the beginning and 283.4MB in the end (delta: -142.8MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. [2022-03-16 21:22:41,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.98ms. Allocated memory is still 311.4MB. Free memory was 283.4MB in the beginning and 282.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 21:22:41,352 INFO L158 Benchmark]: Boogie Preprocessor took 22.27ms. Allocated memory is still 311.4MB. Free memory was 282.0MB in the beginning and 281.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 21:22:41,353 INFO L158 Benchmark]: RCFGBuilder took 315.25ms. Allocated memory is still 311.4MB. Free memory was 281.0MB in the beginning and 271.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. [2022-03-16 21:22:41,354 INFO L158 Benchmark]: TraceAbstraction took 29.40ms. Allocated memory is still 311.4MB. Free memory was 270.5MB in the beginning and 269.7MB in the end (delta: 753.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. [2022-03-16 21:22:41,362 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 195.0MB. Free memory is still 157.0MB. There was no memory consumed. Max. memory is 8.0GB. * CACSL2BoogieTranslator took 300.07ms. Allocated memory was 195.0MB in the beginning and 311.4MB in the end (delta: 116.4MB). Free memory was 140.6MB in the beginning and 283.4MB in the end (delta: -142.8MB). Peak memory consumption was 7.9MB. Max. memory is 8.0GB. * Boogie Procedure Inliner took 25.98ms. Allocated memory is still 311.4MB. Free memory was 283.4MB in the beginning and 282.0MB in the end (delta: 1.3MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Boogie Preprocessor took 22.27ms. Allocated memory is still 311.4MB. Free memory was 282.0MB in the beginning and 281.0MB in the end (delta: 1.0MB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * RCFGBuilder took 315.25ms. Allocated memory is still 311.4MB. Free memory was 281.0MB in the beginning and 271.2MB in the end (delta: 9.8MB). Peak memory consumption was 10.5MB. Max. memory is 8.0GB. * TraceAbstraction took 29.40ms. Allocated memory is still 311.4MB. Free memory was 270.5MB in the beginning and 269.7MB in the end (delta: 753.9kB). Peak memory consumption was 1.0MB. Max. memory is 8.0GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - 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! [2022-03-16 21:22:41,401 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...