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/Problem03_label34.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:04:03,212 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:04:03,216 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:04:03,228 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:04:03,228 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:04:03,230 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:04:03,231 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:04:03,233 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:04:03,235 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:04:03,236 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:04:03,237 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:04:03,238 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:04:03,238 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:04:03,239 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:04:03,240 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:04:03,242 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:04:03,242 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:04:03,243 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:04:03,245 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:04:03,247 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:04:03,248 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:04:03,250 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:04:03,251 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:04:03,252 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:04:03,254 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:04:03,258 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:04:03,260 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:04:03,261 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:04:03,262 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:04:03,263 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:04:03,264 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:04:03,265 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:04:03,266 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:04:03,266 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:04:03,267 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:04:03,268 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:04:03,268 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 [2019-08-14 11:04:03,297 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:04:03,298 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:04:03,300 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:04:03,300 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:04:03,300 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:04:03,300 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:04:03,301 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:04:03,301 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:04:03,301 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:04:03,301 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:04:03,302 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:04:03,302 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:04:03,302 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:04:03,303 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:04:03,303 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:04:03,304 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:04:03,304 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:04:03,304 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:04:03,304 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:04:03,304 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:04:03,305 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:04:03,305 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:04:03,305 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:04:03,305 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:04:03,306 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:04:03,306 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:04:03,306 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:04:03,306 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:04:03,307 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:04:03,357 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:04:03,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:04:03,372 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:04:03,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:04:03,374 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:04:03,375 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label34.c [2019-08-14 11:04:03,437 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c155cce94/34967db2811348cf9962fba5b63a6e4e/FLAG80d479294 [2019-08-14 11:04:04,082 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:04:04,083 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label34.c [2019-08-14 11:04:04,102 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c155cce94/34967db2811348cf9962fba5b63a6e4e/FLAG80d479294 [2019-08-14 11:04:04,288 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c155cce94/34967db2811348cf9962fba5b63a6e4e [2019-08-14 11:04:04,299 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:04:04,301 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:04:04,304 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:04,305 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:04:04,308 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:04:04,310 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:04" (1/1) ... [2019-08-14 11:04:04,313 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56c438e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:04, skipping insertion in model container [2019-08-14 11:04:04,313 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:04" (1/1) ... [2019-08-14 11:04:04,322 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:04:04,405 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:04:05,193 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:05,204 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:04:05,511 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:05,554 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:04:05,555 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05 WrapperNode [2019-08-14 11:04:05,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:05,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:04:05,558 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:04:05,558 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:04:05,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,577 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,641 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,727 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,762 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,780 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (1/1) ... [2019-08-14 11:04:05,800 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:04:05,800 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:04:05,801 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:04:05,801 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:04:05,802 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:05" (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 [2019-08-14 11:04:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:04:05,885 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:04:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:04:05,886 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:04:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:04:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:04:05,886 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:04:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:04:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:04:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:04:05,887 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:04:08,024 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:04:08,024 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:04:08,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:08 BoogieIcfgContainer [2019-08-14 11:04:08,029 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:04:08,029 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:04:08,030 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:04:08,030 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:04:08,032 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:08" (1/1) ... [2019-08-14 11:04:11,561 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:04:11,565 INFO L168 Benchmark]: Toolchain (without parser) took 7263.35 ms. Allocated memory was 131.6 MB in the beginning and 491.8 MB in the end (delta: 360.2 MB). Free memory was 81.9 MB in the beginning and 425.9 MB in the end (delta: -344.0 MB). Peak memory consumption was 398.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:11,567 INFO L168 Benchmark]: CDTParser took 0.26 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:04:11,568 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1252.37 ms. Allocated memory was 131.6 MB in the beginning and 213.9 MB in the end (delta: 82.3 MB). Free memory was 81.7 MB in the beginning and 142.9 MB in the end (delta: -61.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:11,569 INFO L168 Benchmark]: Boogie Preprocessor took 242.53 ms. Allocated memory is still 213.9 MB. Free memory was 142.9 MB in the beginning and 130.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:11,571 INFO L168 Benchmark]: RCFGBuilder took 2228.73 ms. Allocated memory was 213.9 MB in the beginning and 278.4 MB in the end (delta: 64.5 MB). Free memory was 130.7 MB in the beginning and 229.1 MB in the end (delta: -98.3 MB). Peak memory consumption was 124.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:11,573 INFO L168 Benchmark]: Symbolic Interpretation took 3532.41 ms. Allocated memory was 278.4 MB in the beginning and 491.8 MB in the end (delta: 213.4 MB). Free memory was 229.1 MB in the beginning and 425.9 MB in the end (delta: -196.8 MB). Peak memory consumption was 398.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:11,584 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1605]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 69247#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= 1 ~a6~0) (= ~a12~0 1) (not (= ~a27~0 1)) (= ~a11~0 1)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.26 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1252.37 ms. Allocated memory was 131.6 MB in the beginning and 213.9 MB in the end (delta: 82.3 MB). Free memory was 81.7 MB in the beginning and 142.9 MB in the end (delta: -61.3 MB). Peak memory consumption was 36.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 242.53 ms. Allocated memory is still 213.9 MB. Free memory was 142.9 MB in the beginning and 130.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2228.73 ms. Allocated memory was 213.9 MB in the beginning and 278.4 MB in the end (delta: 64.5 MB). Free memory was 130.7 MB in the beginning and 229.1 MB in the end (delta: -98.3 MB). Peak memory consumption was 124.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3532.41 ms. Allocated memory was 278.4 MB in the beginning and 491.8 MB in the end (delta: 213.4 MB). Free memory was 229.1 MB in the beginning and 425.9 MB in the end (delta: -196.8 MB). Peak memory consumption was 398.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...