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/eca-rers2012/Problem17_label35.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:03:52,289 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:03:52,292 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:03:52,310 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:03:52,311 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:03:52,312 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:03:52,314 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:03:52,327 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:03:52,331 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:03:52,332 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:03:52,333 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:03:52,336 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:03:52,336 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:03:52,339 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:03:52,342 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:03:52,344 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:03:52,346 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:03:52,347 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:03:52,349 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:03:52,352 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:03:52,354 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:03:52,356 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:03:52,360 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:03:52,361 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:03:52,364 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:03:52,372 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:03:52,373 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:03:52,373 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:03:52,374 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 11:03:52,397 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:03:52,398 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:03:52,399 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:03:52,399 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:03:52,400 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:03:52,400 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:03:52,400 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:03:52,400 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:03:52,400 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:03:52,401 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:03:52,401 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:03:52,401 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:03:52,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:03:52,402 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:03:52,402 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:03:52,402 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:03:52,403 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:03:52,403 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:03:52,403 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:03:52,403 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:03:52,404 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:03:52,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:03:52,404 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:03:52,404 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:03:52,404 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:03:52,405 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:03:52,405 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:03:52,405 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:03:52,405 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:03:52,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:03:52,455 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:03:52,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:03:52,460 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:03:52,461 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:03:52,461 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem17_label35.c [2019-08-08 11:03:52,529 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c65d3642/788a192e7187432eb5b0cd87511935b3/FLAG16799cd5d [2019-08-08 11:03:53,286 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:03:53,287 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem17_label35.c [2019-08-08 11:03:53,313 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c65d3642/788a192e7187432eb5b0cd87511935b3/FLAG16799cd5d [2019-08-08 11:03:53,396 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2c65d3642/788a192e7187432eb5b0cd87511935b3 [2019-08-08 11:03:53,411 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:03:53,412 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:03:53,413 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:03:53,414 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:03:53,417 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:03:53,418 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:03:53" (1/1) ... [2019-08-08 11:03:53,421 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a3ff329 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:53, skipping insertion in model container [2019-08-08 11:03:53,422 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:03:53" (1/1) ... [2019-08-08 11:03:53,429 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:03:53,541 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:03:54,908 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:03:54,914 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:03:55,261 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:03:55,291 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:03:55,292 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55 WrapperNode [2019-08-08 11:03:55,292 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:03:55,293 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:03:55,294 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:03:55,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:03:55,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (1/1) ... [2019-08-08 11:03:55,310 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (1/1) ... [2019-08-08 11:03:55,381 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (1/1) ... [2019-08-08 11:03:55,383 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (1/1) ... [2019-08-08 11:03:55,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (1/1) ... [2019-08-08 11:03:55,544 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (1/1) ... [2019-08-08 11:03:55,576 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (1/1) ... [2019-08-08 11:03:55,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:03:55,612 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:03:55,612 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:03:55,612 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:03:55,613 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:03:55" (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 11:03:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:03:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:03:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:03:55,687 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:03:55,688 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:03:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:03:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:03:55,688 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:03:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:03:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:03:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:03:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:03:55,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:04:04,869 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:04:04,869 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:04:04,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:04:04 BoogieIcfgContainer [2019-08-08 11:04:04,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:04:04,872 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:04:04,872 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:04:04,879 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:04:04,880 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:04:04" (1/1) ... [2019-08-08 11:04:04,896 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:04:04,900 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:04:04,917 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:04:04,925 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:04:04,927 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:04:04,994 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 11:04:29,507 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 89 [2019-08-08 11:04:29,542 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:04:29,542 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:04:29,545 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 670318#(and (< 124 ~a26~0) (= ~a24~0 1) (<= (+ ~a14~0 114) 0) (< 0 (+ ~a14~0 182)) (<= ~a26~0 217) (<= ~a21~0 127) (<= ~a28~0 37)) [2019-08-08 11:04:29,545 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:04:29,554 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:04:29,558 INFO L168 Benchmark]: Toolchain (without parser) took 36143.77 ms. Allocated memory was 140.5 MB in the beginning and 1.7 GB in the end (delta: 1.6 GB). Free memory was 79.3 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2019-08-08 11:04:29,559 INFO L168 Benchmark]: CDTParser took 0.45 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:04:29,563 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1879.20 ms. Allocated memory was 140.5 MB in the beginning and 231.2 MB in the end (delta: 90.7 MB). Free memory was 79.1 MB in the beginning and 128.4 MB in the end (delta: -49.3 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:04:29,565 INFO L168 Benchmark]: Boogie Preprocessor took 318.15 ms. Allocated memory is still 231.2 MB. Free memory was 128.4 MB in the beginning and 109.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:04:29,568 INFO L168 Benchmark]: RCFGBuilder took 9259.96 ms. Allocated memory was 231.2 MB in the beginning and 342.9 MB in the end (delta: 111.7 MB). Free memory was 109.3 MB in the beginning and 195.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. [2019-08-08 11:04:29,570 INFO L168 Benchmark]: Symbolic Interpretation took 24682.51 ms. Allocated memory was 342.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 195.5 MB in the beginning and 1.2 GB in the end (delta: -985.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. [2019-08-08 11:04:29,580 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 29]: 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 0.45 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1879.20 ms. Allocated memory was 140.5 MB in the beginning and 231.2 MB in the end (delta: 90.7 MB). Free memory was 79.1 MB in the beginning and 128.4 MB in the end (delta: -49.3 MB). Peak memory consumption was 55.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 318.15 ms. Allocated memory is still 231.2 MB. Free memory was 128.4 MB in the beginning and 109.3 MB in the end (delta: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 9259.96 ms. Allocated memory was 231.2 MB in the beginning and 342.9 MB in the end (delta: 111.7 MB). Free memory was 109.3 MB in the beginning and 195.5 MB in the end (delta: -86.2 MB). Peak memory consumption was 85.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 24682.51 ms. Allocated memory was 342.9 MB in the beginning and 1.7 GB in the end (delta: 1.4 GB). Free memory was 195.5 MB in the beginning and 1.2 GB in the end (delta: -985.5 MB). Peak memory consumption was 1.3 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...