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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:06,245 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:06,248 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:06,268 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:06,268 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:06,270 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:06,272 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:06,281 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:06,283 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:06,284 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:06,285 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:06,286 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:06,286 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:06,287 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:06,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:06,289 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:06,290 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:06,291 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:06,292 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:06,294 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:06,296 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:06,297 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:06,298 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:06,299 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:06,301 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:06,304 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-15 04:44:06,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-15 04:44:06,305 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-15 04:44:06,306 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-15 04:44:06,307 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-15 04:44:06,307 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-15 04:44:06,308 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-15 04:44:06,308 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-15 04:44:06,309 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:06,310 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:06,310 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:06,311 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 [2019-10-15 04:44:06,331 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:06,331 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:06,334 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:06,334 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:06,335 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:06,335 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:06,335 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:06,336 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:06,336 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:06,336 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:06,337 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:06,338 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:06,338 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:06,338 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:06,338 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:06,339 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:06,339 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:06,339 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:06,339 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:06,339 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:06,341 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:06,341 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:06,341 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:06,342 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:06,342 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:06,342 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:06,342 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:06,342 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:06,343 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:06,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:06,667 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:06,671 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:06,672 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:06,673 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:06,674 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2019-10-15 04:44:06,750 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a980578/0b046e0bfbdb4b858d8af4b4bba10483/FLAG0d962a833 [2019-10-15 04:44:07,246 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:07,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/apache-escape-absolute.i [2019-10-15 04:44:07,259 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a980578/0b046e0bfbdb4b858d8af4b4bba10483/FLAG0d962a833 [2019-10-15 04:44:07,595 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/22a980578/0b046e0bfbdb4b858d8af4b4bba10483 [2019-10-15 04:44:07,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:07,605 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:07,606 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:07,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:07,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:07,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@34cfbc9e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07, skipping insertion in model container [2019-10-15 04:44:07,615 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,623 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:07,646 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:07,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:07,860 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:07,882 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:07,895 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:07,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07 WrapperNode [2019-10-15 04:44:07,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:07,896 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:07,896 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:07,896 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:07,997 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:07,997 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:08,003 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:08,004 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:08,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:08,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:08,017 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (1/1) ... [2019-10-15 04:44:08,019 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:08,020 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:08,020 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:08,020 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:08,021 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:07" (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 [2019-10-15 04:44:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:08,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:08,072 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:08,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:08,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:08,409 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:08,409 INFO L284 CfgBuilder]: Removed 2 assume(true) statements. [2019-10-15 04:44:08,410 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:08 BoogieIcfgContainer [2019-10-15 04:44:08,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:08,418 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:08,419 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:08,419 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:08,420 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:08" (1/1) ... [2019-10-15 04:44:08,445 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:09,158 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:09,180 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. [2019-10-15 04:44:09,181 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:09,184 INFO L168 Benchmark]: Toolchain (without parser) took 1577.89 ms. Allocated memory was 147.3 MB in the beginning and 232.8 MB in the end (delta: 85.5 MB). Free memory was 103.9 MB in the beginning and 201.3 MB in the end (delta: -97.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:09,185 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:09,186 INFO L168 Benchmark]: CACSL2BoogieTranslator took 289.82 ms. Allocated memory is still 147.3 MB. Free memory was 103.9 MB in the beginning and 93.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:09,187 INFO L168 Benchmark]: Boogie Preprocessor took 123.42 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 93.3 MB in the beginning and 181.5 MB in the end (delta: -88.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:09,188 INFO L168 Benchmark]: RCFGBuilder took 390.86 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 163.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:09,189 INFO L168 Benchmark]: Abstract Interpretation took 762.50 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 163.5 MB in the beginning and 201.3 MB in the end (delta: -37.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:09,193 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 147.3 MB. Free memory is still 122.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 289.82 ms. Allocated memory is still 147.3 MB. Free memory was 103.9 MB in the beginning and 93.3 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.42 ms. Allocated memory was 147.3 MB in the beginning and 203.4 MB in the end (delta: 56.1 MB). Free memory was 93.3 MB in the beginning and 181.5 MB in the end (delta: -88.1 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 390.86 ms. Allocated memory is still 203.4 MB. Free memory was 181.5 MB in the beginning and 163.5 MB in the end (delta: 18.0 MB). Peak memory consumption was 18.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 762.50 ms. Allocated memory was 203.4 MB in the beginning and 232.8 MB in the end (delta: 29.4 MB). Free memory was 163.5 MB in the beginning and 201.3 MB in the end (delta: -37.8 MB). There was no memory consumed. 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...