java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/locks/test_locks_13.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-17 21:25:48,689 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-17 21:25:48,691 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-17 21:25:48,703 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-17 21:25:48,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-17 21:25:48,704 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-17 21:25:48,706 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-17 21:25:48,708 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-17 21:25:48,709 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-17 21:25:48,710 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-17 21:25:48,711 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-17 21:25:48,712 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-17 21:25:48,712 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-17 21:25:48,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-17 21:25:48,714 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-17 21:25:48,715 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-17 21:25:48,716 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-17 21:25:48,717 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-17 21:25:48,718 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-17 21:25:48,720 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-17 21:25:48,722 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-17 21:25:48,723 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-17 21:25:48,724 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-17 21:25:48,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-17 21:25:48,726 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-17 21:25:48,729 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-17 21:25:48,730 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-17 21:25:48,730 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-17 21:25:48,731 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-17 21:25:48,732 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-17 21:25:48,732 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-17 21:25:48,733 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-17 21:25:48,733 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-17 21:25:48,733 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-17 21:25:48,734 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-17 21:25:48,735 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-17 21:25:48,735 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-17 21:25:48,749 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-17 21:25:48,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-17 21:25:48,751 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-17 21:25:48,751 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-17 21:25:48,751 INFO L138 SettingsManager]: * Use SBE=true [2019-08-17 21:25:48,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-17 21:25:48,751 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-17 21:25:48,752 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-17 21:25:48,752 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-17 21:25:48,752 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-17 21:25:48,752 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-17 21:25:48,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-17 21:25:48,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-17 21:25:48,753 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-17 21:25:48,753 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-17 21:25:48,753 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-17 21:25:48,753 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-17 21:25:48,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-17 21:25:48,754 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-17 21:25:48,754 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-17 21:25:48,754 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-17 21:25:48,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-17 21:25:48,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-17 21:25:48,755 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-17 21:25:48,755 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-17 21:25:48,755 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-17 21:25:48,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-17 21:25:48,755 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-17 21:25:48,756 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-17 21:25:48,787 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-17 21:25:48,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-17 21:25:48,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-17 21:25:48,809 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-17 21:25:48,809 INFO L275 PluginConnector]: CDTParser initialized [2019-08-17 21:25:48,810 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/locks/test_locks_13.c [2019-08-17 21:25:48,864 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33adc5b60/9cb77ffb8c8d4dce9cc5455823684deb/FLAG8e9a439bb [2019-08-17 21:25:49,271 INFO L306 CDTParser]: Found 1 translation units. [2019-08-17 21:25:49,272 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/locks/test_locks_13.c [2019-08-17 21:25:49,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33adc5b60/9cb77ffb8c8d4dce9cc5455823684deb/FLAG8e9a439bb [2019-08-17 21:25:49,672 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33adc5b60/9cb77ffb8c8d4dce9cc5455823684deb [2019-08-17 21:25:49,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-17 21:25:49,681 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-17 21:25:49,683 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-17 21:25:49,683 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-17 21:25:49,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-17 21:25:49,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:25:49" (1/1) ... [2019-08-17 21:25:49,692 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c21f933 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:49, skipping insertion in model container [2019-08-17 21:25:49,692 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.08 09:25:49" (1/1) ... [2019-08-17 21:25:49,699 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-17 21:25:49,722 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-17 21:25:49,931 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:25:49,936 INFO L188 MainTranslator]: Completed pre-run [2019-08-17 21:25:49,995 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-17 21:25:50,106 INFO L192 MainTranslator]: Completed translation [2019-08-17 21:25:50,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50 WrapperNode [2019-08-17 21:25:50,106 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-17 21:25:50,107 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-17 21:25:50,107 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-17 21:25:50,107 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-17 21:25:50,117 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,117 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,122 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,129 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,139 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-17 21:25:50,142 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-17 21:25:50,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-17 21:25:50,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-17 21:25:50,143 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.08 09:25:50" (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 [2019-08-17 21:25:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-17 21:25:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-17 21:25:50,203 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-17 21:25:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-17 21:25:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-17 21:25:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-17 21:25:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-17 21:25:50,204 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-17 21:25:50,532 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-17 21:25:50,533 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-17 21:25:50,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:25:50 BoogieIcfgContainer [2019-08-17 21:25:50,534 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-17 21:25:50,535 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-17 21:25:50,535 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-17 21:25:50,535 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-17 21:25:50,536 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.08 09:25:50" (1/1) ... [2019-08-17 21:25:50,557 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-17 21:25:50,560 INFO L155 IcfgInterpreter]: Building call graph [2019-08-17 21:25:50,567 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-17 21:25:50,575 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-17 21:25:50,577 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-17 21:25:50,616 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-17 21:28:14,996 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-17 21:28:14,996 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-17 21:28:14,998 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 10826#true [2019-08-17 21:28:15,007 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-17 21:28:15,007 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-17 21:28:15,009 INFO L168 Benchmark]: Toolchain (without parser) took 145327.13 ms. Allocated memory was 132.1 MB in the beginning and 2.7 GB in the end (delta: 2.6 GB). Free memory was 87.9 MB in the beginning and 568.2 MB in the end (delta: -480.3 MB). Peak memory consumption was 2.7 GB. Max. memory is 7.1 GB. [2019-08-17 21:28:15,010 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-17 21:28:15,011 INFO L168 Benchmark]: CACSL2BoogieTranslator took 423.80 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.7 MB in the beginning and 176.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:15,012 INFO L168 Benchmark]: Boogie Preprocessor took 34.82 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 174.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:15,013 INFO L168 Benchmark]: RCFGBuilder took 392.32 ms. Allocated memory is still 199.2 MB. Free memory was 173.6 MB in the beginning and 152.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-17 21:28:15,014 INFO L168 Benchmark]: Symbolic Interpretation took 144472.46 ms. Allocated memory was 199.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 152.3 MB in the beginning and 568.2 MB in the end (delta: -415.9 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. [2019-08-17 21:28:15,019 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 203]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 10826#true. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 423.80 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.7 MB in the beginning and 176.1 MB in the end (delta: -88.4 MB). Peak memory consumption was 26.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 34.82 ms. Allocated memory is still 199.2 MB. Free memory was 176.1 MB in the beginning and 174.2 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 392.32 ms. Allocated memory is still 199.2 MB. Free memory was 173.6 MB in the beginning and 152.3 MB in the end (delta: 21.3 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 144472.46 ms. Allocated memory was 199.2 MB in the beginning and 2.7 GB in the end (delta: 2.5 GB). Free memory was 152.3 MB in the beginning and 568.2 MB in the end (delta: -415.9 MB). Peak memory consumption was 2.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...