java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:21,068 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:21,070 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:21,083 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:38:21,083 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:38:21,084 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:38:21,086 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:38:21,087 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:38:21,089 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:38:21,090 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:38:21,091 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:38:21,092 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:38:21,093 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:21,094 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:21,095 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:21,096 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:21,097 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:21,098 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:21,099 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:21,101 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:21,103 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:21,104 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:21,105 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:21,106 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:21,109 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:21,112 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:38:21,113 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:38:21,113 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:38:21,114 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:38:21,117 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:38:21,117 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:38:21,118 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:38:21,118 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:38:21,118 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:38:21,119 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:38:21,123 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:38:21,124 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-10-03 12:38:21,147 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:21,147 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:21,148 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:21,148 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:21,149 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:21,149 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:21,150 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:21,150 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:21,151 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:21,151 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:21,151 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:21,152 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:21,152 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:21,152 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:21,152 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:21,153 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:21,153 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:21,153 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:21,153 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:21,153 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:21,154 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:21,154 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:21,154 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:21,154 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:21,155 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:21,155 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:21,155 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:21,155 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:21,155 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:21,156 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:21,185 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:21,198 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:21,201 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:21,203 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:21,203 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:21,204 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2019-10-03 12:38:21,283 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafb413b3/836d4b51b50646c994c28c66aa83407e/FLAG0a8e48147 [2019-10-03 12:38:21,795 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:21,796 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2019-10-03 12:38:21,804 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafb413b3/836d4b51b50646c994c28c66aa83407e/FLAG0a8e48147 [2019-10-03 12:38:22,152 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/eafb413b3/836d4b51b50646c994c28c66aa83407e [2019-10-03 12:38:22,163 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:22,165 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:22,166 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:22,167 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:22,172 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:22,173 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,178 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@193b1bbf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22, skipping insertion in model container [2019-10-03 12:38:22,179 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,187 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:22,209 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:22,401 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:22,408 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:22,437 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:22,454 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:22,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22 WrapperNode [2019-10-03 12:38:22,455 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:22,455 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:22,456 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:22,456 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:22,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,597 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,604 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,605 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:22,607 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:22,608 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:22,608 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:22,608 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:22,610 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:22" (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 [2019-10-03 12:38:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:22,673 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:22,674 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:38:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:38:22,674 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:22,675 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:22,976 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:22,976 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-03 12:38:22,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:22 BoogieIcfgContainer [2019-10-03 12:38:22,978 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:22,979 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:22,979 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:22,980 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:22,980 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:22" (1/1) ... [2019-10-03 12:38:23,014 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:23,880 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:23,924 INFO L272 AbstractInterpreter]: Visited 87 different actions 1080 times. Merged at 33 different actions 176 times. Widened at 3 different actions 6 times. Performed 1306 root evaluator evaluations with a maximum evaluation depth of 7. Performed 1306 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 59 fixpoints after 14 different actions. Largest state had 17 variables. [2019-10-03 12:38:23,930 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:23,934 INFO L168 Benchmark]: Toolchain (without parser) took 1767.60 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 86.1 MB in the beginning and 83.0 MB in the end (delta: 3.2 MB). Peak memory consumption was 70.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:23,939 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:38:23,944 INFO L168 Benchmark]: CACSL2BoogieTranslator took 288.63 ms. Allocated memory is still 130.5 MB. Free memory was 85.9 MB in the beginning and 75.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:23,946 INFO L168 Benchmark]: Boogie Preprocessor took 151.94 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 75.3 MB in the beginning and 173.9 MB in the end (delta: -98.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:23,947 INFO L168 Benchmark]: RCFGBuilder took 370.83 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 156.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:23,950 INFO L168 Benchmark]: Abstract Interpretation took 951.46 ms. Allocated memory is still 198.2 MB. Free memory was 156.0 MB in the beginning and 83.0 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:23,955 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 130.5 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 288.63 ms. Allocated memory is still 130.5 MB. Free memory was 85.9 MB in the beginning and 75.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 151.94 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 75.3 MB in the beginning and 173.9 MB in the end (delta: -98.7 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 370.83 ms. Allocated memory is still 198.2 MB. Free memory was 173.9 MB in the beginning and 156.0 MB in the end (delta: 17.9 MB). Peak memory consumption was 17.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 951.46 ms. Allocated memory is still 198.2 MB. Free memory was 156.0 MB in the beginning and 83.0 MB in the end (delta: 73.0 MB). Peak memory consumption was 73.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L12] int scheme; [L13] int urilen,tokenlen; [L14] int cp,c; [L15] urilen = __VERIFIER_nondet_int() [L16] tokenlen = __VERIFIER_nondet_int() [L17] scheme = __VERIFIER_nondet_int() [L18] COND FALSE !(!(urilen <= 1000000 && urilen >= -1000000)) [L19] COND FALSE !(!(tokenlen <= 1000000 && tokenlen >= -1000000)) [L20] COND FALSE !(!(scheme <= 1000000 && scheme >= -1000000)) [L21] COND TRUE urilen>0 [L22] COND TRUE tokenlen>0 [L23] COND TRUE scheme >= 0 [L24] COND FALSE !(scheme == 0 || (urilen-1 < scheme)) [L27] cp = scheme [L28] CALL __VERIFIER_assert(cp-1 < urilen) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...