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/ldv-regression/test15.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:25,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:25,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:25,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:25,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:25,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:25,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:25,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:25,560 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:25,561 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:25,562 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:25,563 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:25,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:25,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:25,565 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:25,566 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:25,570 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:25,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:25,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:25,576 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:25,581 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:25,582 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:25,583 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:25,586 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:25,588 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:25,602 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:25,602 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:25,603 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:25,604 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 [2019-08-10 02:01:25,632 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:25,632 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:25,634 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:25,634 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:25,634 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:25,634 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:25,635 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:25,635 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:25,635 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:25,635 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:25,635 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:25,636 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:25,636 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:25,636 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:25,636 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:25,636 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:25,637 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:25,637 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:25,637 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:25,637 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:25,637 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:25,638 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:25,638 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:25,638 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:25,638 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:25,638 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:25,639 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:25,639 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:25,639 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:25,666 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:25,678 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:25,682 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:25,683 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:25,683 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:25,684 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test15.c [2019-08-10 02:01:25,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b4bf23a/1ee80a39f12545829aa5426f40d5cd78/FLAG3076c6a3e [2019-08-10 02:01:26,158 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:26,160 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test15.c [2019-08-10 02:01:26,166 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b4bf23a/1ee80a39f12545829aa5426f40d5cd78/FLAG3076c6a3e [2019-08-10 02:01:26,565 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/70b4bf23a/1ee80a39f12545829aa5426f40d5cd78 [2019-08-10 02:01:26,573 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:26,575 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:26,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:26,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:26,579 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:26,580 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,583 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@521757d3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26, skipping insertion in model container [2019-08-10 02:01:26,583 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,589 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:26,603 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:26,765 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:26,788 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:26,804 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:26,817 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:26,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26 WrapperNode [2019-08-10 02:01:26,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:26,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:26,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:26,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:26,831 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,831 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,919 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,920 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,928 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (1/1) ... [2019-08-10 02:01:26,936 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:26,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:26,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:26,937 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:26,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:26" (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 [2019-08-10 02:01:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-08-10 02:01:26,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-08-10 02:01:26,987 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:26,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:26,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:27,181 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:27,181 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 02:01:27,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:27 BoogieIcfgContainer [2019-08-10 02:01:27,183 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:27,189 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:27,190 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:27,190 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:27,191 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:27" (1/1) ... [2019-08-10 02:01:27,496 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:27,499 INFO L168 Benchmark]: Toolchain (without parser) took 923.03 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 87.9 MB in the beginning and 151.1 MB in the end (delta: -63.3 MB). Peak memory consumption was 3.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:27,500 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:27,501 INFO L168 Benchmark]: CACSL2BoogieTranslator took 242.97 ms. Allocated memory is still 133.2 MB. Free memory was 87.7 MB in the beginning and 77.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:27,502 INFO L168 Benchmark]: Boogie Preprocessor took 117.11 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.8 MB in the beginning and 176.7 MB in the end (delta: -98.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:27,503 INFO L168 Benchmark]: RCFGBuilder took 246.47 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 164.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:27,504 INFO L168 Benchmark]: Symbolic Interpretation took 307.02 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 151.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:27,508 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - AllSpecificationsHoldResult: All specifications hold All locations of interest are guaranteed to be unreachable. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory was 106.1 MB in the beginning and 105.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 242.97 ms. Allocated memory is still 133.2 MB. Free memory was 87.7 MB in the beginning and 77.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 117.11 ms. Allocated memory was 133.2 MB in the beginning and 200.3 MB in the end (delta: 67.1 MB). Free memory was 77.8 MB in the beginning and 176.7 MB in the end (delta: -98.9 MB). Peak memory consumption was 16.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.47 ms. Allocated memory is still 200.3 MB. Free memory was 176.7 MB in the beginning and 164.2 MB in the end (delta: 12.5 MB). Peak memory consumption was 12.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 307.02 ms. Allocated memory is still 200.3 MB. Free memory was 164.2 MB in the beginning and 151.1 MB in the end (delta: 13.0 MB). Peak memory consumption was 13.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...