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/Problem11_label02.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 10:48:00,426 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 10:48:00,428 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 10:48:00,445 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 10:48:00,445 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 10:48:00,447 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 10:48:00,448 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 10:48:00,457 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 10:48:00,460 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 10:48:00,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 10:48:00,462 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 10:48:00,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 10:48:00,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 10:48:00,464 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 10:48:00,465 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 10:48:00,466 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 10:48:00,467 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 10:48:00,468 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 10:48:00,469 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 10:48:00,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 10:48:00,475 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 10:48:00,477 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 10:48:00,479 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 10:48:00,480 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 10:48:00,482 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 10:48:00,486 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-08 10:48:00,488 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-08 10:48:00,489 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-08 10:48:00,490 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-08 10:48:00,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-08 10:48:00,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-08 10:48:00,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-08 10:48:00,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-08 10:48:00,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 10:48:00,496 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 10:48:00,496 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 10:48:00,498 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 10:48:00,533 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 10:48:00,533 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 10:48:00,538 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 10:48:00,538 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 10:48:00,538 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 10:48:00,538 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 10:48:00,539 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 10:48:00,539 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 10:48:00,539 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 10:48:00,539 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 10:48:00,539 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 10:48:00,539 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 10:48:00,540 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 10:48:00,540 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 10:48:00,540 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 10:48:00,541 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 10:48:00,541 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 10:48:00,541 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 10:48:00,541 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 10:48:00,542 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 10:48:00,542 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 10:48:00,542 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 10:48:00,542 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 10:48:00,542 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 10:48:00,542 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 10:48:00,543 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 10:48:00,543 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 10:48:00,543 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 10:48:00,543 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 10:48:00,580 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 10:48:00,596 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 10:48:00,599 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 10:48:00,600 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 10:48:00,600 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 10:48:00,601 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem11_label02.c [2019-08-08 10:48:00,659 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/387117e44/564b5aff44c34479b568551414341a87/FLAG548e83eb2 [2019-08-08 10:48:01,185 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 10:48:01,186 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem11_label02.c [2019-08-08 10:48:01,206 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/387117e44/564b5aff44c34479b568551414341a87/FLAG548e83eb2 [2019-08-08 10:48:01,472 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/387117e44/564b5aff44c34479b568551414341a87 [2019-08-08 10:48:01,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 10:48:01,483 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 10:48:01,486 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 10:48:01,486 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 10:48:01,490 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 10:48:01,491 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:48:01" (1/1) ... [2019-08-08 10:48:01,494 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@15d6b392 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:01, skipping insertion in model container [2019-08-08 10:48:01,494 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 10:48:01" (1/1) ... [2019-08-08 10:48:01,501 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 10:48:01,560 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 10:48:02,208 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:48:02,345 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 10:48:02,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 10:48:02,668 INFO L192 MainTranslator]: Completed translation [2019-08-08 10:48:02,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02 WrapperNode [2019-08-08 10:48:02,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 10:48:02,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 10:48:02,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 10:48:02,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 10:48:02,685 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (1/1) ... [2019-08-08 10:48:02,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (1/1) ... [2019-08-08 10:48:02,706 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (1/1) ... [2019-08-08 10:48:02,707 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (1/1) ... [2019-08-08 10:48:02,761 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (1/1) ... [2019-08-08 10:48:02,786 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (1/1) ... [2019-08-08 10:48:02,800 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (1/1) ... [2019-08-08 10:48:02,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 10:48:02,812 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 10:48:02,812 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 10:48:02,812 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 10:48:02,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 10:48:02" (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 10:48:02,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 10:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 10:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 10:48:02,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 10:48:02,869 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 10:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 10:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 10:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 10:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 10:48:02,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 10:48:02,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 10:48:06,452 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 10:48:06,453 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 10:48:06,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:48:06 BoogieIcfgContainer [2019-08-08 10:48:06,454 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 10:48:06,455 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 10:48:06,455 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 10:48:06,455 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 10:48:06,456 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 10:48:06" (1/1) ... [2019-08-08 10:48:06,468 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 10:48:06,470 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 10:48:06,480 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 10:48:06,487 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 10:48:06,489 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 10:48:06,536 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 43 [2019-08-08 10:48:21,032 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 85 [2019-08-08 10:48:21,617 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 10:48:21,618 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 10:48:21,621 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 483664#(and (= ~a25~0 12) (= 1 ~a3~0) (= 15 ~a8~0) (= 1 ~a4~0) (<= (+ ~a23~0 43) 0) (<= ~a29~0 140)) [2019-08-08 10:48:21,623 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 10:48:21,630 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 10:48:21,633 INFO L168 Benchmark]: Toolchain (without parser) took 20148.70 ms. Allocated memory was 143.7 MB in the beginning and 1.3 GB in the end (delta: 1.1 GB). Free memory was 88.8 MB in the beginning and 907.1 MB in the end (delta: -818.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-08 10:48:21,634 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 111.0 MB in the beginning and 110.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-08 10:48:21,635 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1183.81 ms. Allocated memory was 143.7 MB in the beginning and 226.5 MB in the end (delta: 82.8 MB). Free memory was 88.4 MB in the beginning and 187.8 MB in the end (delta: -99.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:21,636 INFO L168 Benchmark]: Boogie Preprocessor took 141.09 ms. Allocated memory is still 226.5 MB. Free memory was 187.8 MB in the beginning and 180.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:21,637 INFO L168 Benchmark]: RCFGBuilder took 3643.02 ms. Allocated memory was 226.5 MB in the beginning and 265.8 MB in the end (delta: 39.3 MB). Free memory was 179.2 MB in the beginning and 170.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:21,638 INFO L168 Benchmark]: Symbolic Interpretation took 15175.11 ms. Allocated memory was 265.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 170.5 MB in the beginning and 907.1 MB in the end (delta: -736.7 MB). Peak memory consumption was 992.6 MB. Max. memory is 7.1 GB. [2019-08-08 10:48:21,642 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 168]: 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 0.21 ms. Allocated memory is still 143.7 MB. Free memory was 111.0 MB in the beginning and 110.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1183.81 ms. Allocated memory was 143.7 MB in the beginning and 226.5 MB in the end (delta: 82.8 MB). Free memory was 88.4 MB in the beginning and 187.8 MB in the end (delta: -99.4 MB). Peak memory consumption was 38.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.09 ms. Allocated memory is still 226.5 MB. Free memory was 187.8 MB in the beginning and 180.0 MB in the end (delta: 7.8 MB). Peak memory consumption was 7.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3643.02 ms. Allocated memory was 226.5 MB in the beginning and 265.8 MB in the end (delta: 39.3 MB). Free memory was 179.2 MB in the beginning and 170.5 MB in the end (delta: 8.7 MB). Peak memory consumption was 106.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 15175.11 ms. Allocated memory was 265.8 MB in the beginning and 1.3 GB in the end (delta: 1.0 GB). Free memory was 170.5 MB in the beginning and 907.1 MB in the end (delta: -736.7 MB). Peak memory consumption was 992.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...