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/loop-invgen/apache-get-tag.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:46:23,846 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:46:23,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:46:23,861 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:46:23,861 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:46:23,862 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:46:23,863 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:46:23,865 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:46:23,867 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:46:23,868 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:46:23,869 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:46:23,871 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:46:23,871 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:46:23,872 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:46:23,873 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:46:23,874 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:46:23,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:46:23,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:46:23,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:46:23,881 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:46:23,882 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:46:23,884 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:46:23,885 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:46:23,886 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:46:23,888 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:46:23,892 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 11:46:23,893 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 11:46:23,893 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 11:46:23,894 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 11:46:23,895 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 11:46:23,895 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 11:46:23,896 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 11:46:23,896 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 11:46:23,897 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:46:23,898 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:46:23,899 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:46:23,899 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 [2019-08-08 11:46:23,915 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:46:23,915 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:46:23,916 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:46:23,917 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:46:23,917 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:46:23,917 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:46:23,917 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:46:23,918 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:46:23,918 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:46:23,918 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:46:23,918 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:46:23,918 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:46:23,919 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:46:23,919 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:46:23,919 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:46:23,919 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:46:23,919 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:46:23,920 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:46:23,920 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:46:23,920 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:46:23,920 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:46:23,920 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:46:23,921 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:46:23,921 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:46:23,921 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:46:23,921 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:46:23,921 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:46:23,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:46:23,922 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:46:23,951 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:46:23,964 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:46:23,967 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:46:23,969 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:46:23,969 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:46:23,970 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-get-tag.i [2019-08-08 11:46:24,043 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac1425247/f15016a486494ae99ca3afac3676e49e/FLAG57379bbc5 [2019-08-08 11:46:24,483 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:46:24,484 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-get-tag.i [2019-08-08 11:46:24,491 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac1425247/f15016a486494ae99ca3afac3676e49e/FLAG57379bbc5 [2019-08-08 11:46:24,889 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac1425247/f15016a486494ae99ca3afac3676e49e [2019-08-08 11:46:24,901 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:46:24,903 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:46:24,904 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:24,904 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:46:24,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:46:24,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:24" (1/1) ... [2019-08-08 11:46:24,911 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10cf8f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:24, skipping insertion in model container [2019-08-08 11:46:24,912 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:46:24" (1/1) ... [2019-08-08 11:46:24,920 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:46:24,939 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:46:25,107 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:25,111 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:46:25,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:46:25,146 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:46:25,147 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25 WrapperNode [2019-08-08 11:46:25,147 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:46:25,147 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:46:25,148 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:46:25,148 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:46:25,159 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,159 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,247 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,248 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,252 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,259 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,262 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:46:25,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:46:25,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:46:25,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:46:25,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:46:25" (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 [2019-08-08 11:46:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:46:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:46:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 11:46:25,323 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:46:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:46:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-08 11:46:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 11:46:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:46:25,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:46:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:46:25,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:46:25,792 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:46:25,793 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-08 11:46:25,794 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:25 BoogieIcfgContainer [2019-08-08 11:46:25,794 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:46:25,795 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:46:25,795 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:46:25,795 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:46:25,796 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:46:25" (1/1) ... [2019-08-08 11:46:25,808 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:46:25,811 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:46:25,819 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:46:25,827 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:46:25,829 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:46:25,864 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:46:26,329 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 1 [2019-08-08 11:46:26,330 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:46:26,332 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:46:26,336 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 416#(and (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-08 11:46:26,337 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:46:26,347 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:46:26,352 INFO L168 Benchmark]: Toolchain (without parser) took 1446.34 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 89.4 MB in the beginning and 135.3 MB in the end (delta: -45.9 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:26,354 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:46:26,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.21 ms. Allocated memory is still 133.7 MB. Free memory was 89.2 MB in the beginning and 79.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:26,358 INFO L168 Benchmark]: Boogie Preprocessor took 114.94 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.4 MB in the beginning and 177.2 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:26,360 INFO L168 Benchmark]: RCFGBuilder took 531.55 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 161.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:26,361 INFO L168 Benchmark]: Symbolic Interpretation took 553.05 ms. Allocated memory is still 200.3 MB. Free memory was 161.4 MB in the beginning and 135.3 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:46:26,372 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 243.21 ms. Allocated memory is still 133.7 MB. Free memory was 89.2 MB in the beginning and 79.4 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.94 ms. Allocated memory was 133.7 MB in the beginning and 200.3 MB in the end (delta: 66.6 MB). Free memory was 79.4 MB in the beginning and 177.2 MB in the end (delta: -97.8 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 531.55 ms. Allocated memory is still 200.3 MB. Free memory was 177.2 MB in the beginning and 161.4 MB in the end (delta: 15.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 553.05 ms. Allocated memory is still 200.3 MB. Free memory was 161.4 MB in the beginning and 135.3 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...