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/loops/while_infinite_loop_4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:23:35,532 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:23:35,534 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:23:35,545 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:23:35,545 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:23:35,546 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:23:35,548 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:23:35,549 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:23:35,551 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:23:35,552 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:23:35,553 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:23:35,554 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:23:35,554 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:23:35,555 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:23:35,556 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:23:35,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:23:35,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:23:35,559 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:23:35,561 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:23:35,562 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:23:35,564 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:23:35,565 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:23:35,566 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:23:35,566 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:23:35,568 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:23:35,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:23:35,576 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:23:35,577 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:23:35,578 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 02:23:35,591 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:23:35,592 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:23:35,593 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:23:35,593 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:23:35,593 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:23:35,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:23:35,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:23:35,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:23:35,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:23:35,594 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:23:35,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:23:35,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:23:35,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:23:35,595 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:23:35,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:23:35,595 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:23:35,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:23:35,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:23:35,596 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:23:35,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:23:35,596 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:23:35,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:23:35,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:23:35,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:23:35,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:23:35,597 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:23:35,598 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:23:35,598 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:23:35,598 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:23:35,625 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:23:35,638 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:23:35,641 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:23:35,643 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:23:35,643 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:23:35,644 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-08-10 02:23:35,711 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31bf4b10c/4a0aaf0042d6479385ac37d6904dd6f0/FLAGacb738d9b [2019-08-10 02:23:36,095 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:23:36,095 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/while_infinite_loop_4.c [2019-08-10 02:23:36,101 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31bf4b10c/4a0aaf0042d6479385ac37d6904dd6f0/FLAGacb738d9b [2019-08-10 02:23:36,473 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/31bf4b10c/4a0aaf0042d6479385ac37d6904dd6f0 [2019-08-10 02:23:36,484 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:23:36,486 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:23:36,487 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:23:36,487 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:23:36,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:23:36,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1912d258 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36, skipping insertion in model container [2019-08-10 02:23:36,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,501 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:23:36,517 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:23:36,718 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:23:36,724 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:23:36,736 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:23:36,751 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:23:36,752 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36 WrapperNode [2019-08-10 02:23:36,752 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:23:36,753 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:23:36,753 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:23:36,753 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:23:36,847 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,848 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,854 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,855 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,859 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,863 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (1/1) ... [2019-08-10 02:23:36,865 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:23:36,866 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:23:36,866 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:23:36,866 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:23:36,867 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:23:36" (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 02:23:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:23:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:23:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-10 02:23:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure eval [2019-08-10 02:23:36,923 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:23:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:23:36,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:23:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure eval [2019-08-10 02:23:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:23:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:23:36,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:23:37,054 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:23:37,055 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 02:23:37,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:23:37 BoogieIcfgContainer [2019-08-10 02:23:37,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:23:37,056 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:23:37,057 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:23:37,057 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:23:37,058 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:23:37" (1/1) ... [2019-08-10 02:23:37,242 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:23:37,249 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:23:37,252 INFO L168 Benchmark]: Toolchain (without parser) took 765.03 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 87.2 MB in the beginning and 160.6 MB in the end (delta: -73.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:23:37,253 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:23:37,254 INFO L168 Benchmark]: CACSL2BoogieTranslator took 265.53 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:37,256 INFO L168 Benchmark]: Boogie Preprocessor took 112.66 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.5 MB in the beginning and 177.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:37,257 INFO L168 Benchmark]: RCFGBuilder took 190.45 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 167.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:37,258 INFO L168 Benchmark]: Symbolic Interpretation took 192.56 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 160.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:23:37,266 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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 54#(and (or (and (= |__VERIFIER_assert_#in~cond| 0) (not (= 0 ~x~0))) (and (= 0 ~x~0) (= |__VERIFIER_assert_#in~cond| 1))) (= 0 __VERIFIER_assert_~cond) (= 1 ~x~0) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 139.5 MB. Free memory was 105.4 MB in the beginning and 105.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 265.53 ms. Allocated memory is still 139.5 MB. Free memory was 87.0 MB in the beginning and 77.5 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.66 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 77.5 MB in the beginning and 177.7 MB in the end (delta: -100.1 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 190.45 ms. Allocated memory is still 199.8 MB. Free memory was 177.7 MB in the beginning and 167.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 192.56 ms. Allocated memory is still 199.8 MB. Free memory was 167.0 MB in the beginning and 160.6 MB in the end (delta: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...