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/test24-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:36,614 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:36,616 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:36,627 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:36,628 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:36,629 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:36,630 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:36,632 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:36,633 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:36,634 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:36,635 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:36,636 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:36,636 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:36,637 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:36,638 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:36,639 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:36,640 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:36,641 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:36,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:36,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:36,647 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:36,648 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:36,649 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:36,650 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:36,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:36,659 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:36,660 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:36,661 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:36,661 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 02:01:36,682 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:36,683 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:36,684 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:36,684 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:36,684 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:36,685 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:36,685 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:36,685 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:36,685 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:36,685 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:36,686 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:36,686 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:36,686 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:36,686 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:36,686 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:36,687 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:36,687 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:36,687 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:36,687 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:36,687 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:36,688 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:36,688 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:36,688 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:36,688 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:36,688 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:36,689 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:36,689 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:36,689 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:36,689 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:36,733 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:36,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:36,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:36,750 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:36,751 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:36,751 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test24-1.c [2019-08-10 02:01:36,811 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd378557d/7c38e3df4bc344eeba5d13d850476e86/FLAG94796027f [2019-08-10 02:01:37,224 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:37,226 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test24-1.c [2019-08-10 02:01:37,233 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd378557d/7c38e3df4bc344eeba5d13d850476e86/FLAG94796027f [2019-08-10 02:01:37,651 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd378557d/7c38e3df4bc344eeba5d13d850476e86 [2019-08-10 02:01:37,659 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:37,660 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:37,661 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:37,661 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:37,665 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:37,666 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6023be96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37, skipping insertion in model container [2019-08-10 02:01:37,669 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:37,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:37,693 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:37,861 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:37,870 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:37,890 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:37,904 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:37,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37 WrapperNode [2019-08-10 02:01:37,904 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:37,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:37,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:37,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:38,000 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:38,001 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:38,007 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:38,008 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:38,028 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:38,033 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:38,035 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (1/1) ... [2019-08-10 02:01:38,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:38,041 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:38,041 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:38,041 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:38,042 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:37" (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 [2019-08-10 02:01:38,095 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:38,096 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:38,096 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:38,097 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:38,098 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:38,346 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:38,346 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:01:38,348 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:38 BoogieIcfgContainer [2019-08-10 02:01:38,348 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:38,354 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:38,355 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:38,355 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:38,356 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:38" (1/1) ... [2019-08-10 02:01:38,627 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:38,635 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:38,638 INFO L168 Benchmark]: Toolchain (without parser) took 976.21 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 89.0 MB in the beginning and 147.6 MB in the end (delta: -58.6 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:38,639 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:38,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.35 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 78.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:38,641 INFO L168 Benchmark]: Boogie Preprocessor took 135.90 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 78.8 MB in the beginning and 173.9 MB in the end (delta: -95.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:38,643 INFO L168 Benchmark]: RCFGBuilder took 306.83 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 160.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:38,645 INFO L168 Benchmark]: Symbolic Interpretation took 280.78 ms. Allocated memory is still 198.2 MB. Free memory was 159.9 MB in the beginning and 147.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:38,651 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 36]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 50#(not (= main_~i~0 (select (select |#memory_int| |main_~#ad1~0.base|) (+ (* 8 main_~i~0) |main_~#ad1~0.offset|)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 133.2 MB. Free memory was 107.4 MB in the beginning and 107.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.35 ms. Allocated memory is still 133.2 MB. Free memory was 88.8 MB in the beginning and 78.8 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.90 ms. Allocated memory was 133.2 MB in the beginning and 198.2 MB in the end (delta: 65.0 MB). Free memory was 78.8 MB in the beginning and 173.9 MB in the end (delta: -95.2 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 306.83 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 160.5 MB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 280.78 ms. Allocated memory is still 198.2 MB. Free memory was 159.9 MB in the beginning and 147.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...