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/Problem04_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:06:11,501 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:06:11,506 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:06:11,523 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:06:11,523 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:06:11,524 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:06:11,525 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:06:11,527 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:06:11,529 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:06:11,530 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:06:11,531 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:06:11,532 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:06:11,533 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:06:11,534 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:06:11,535 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:06:11,536 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:06:11,537 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:06:11,538 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:06:11,539 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:06:11,542 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:06:11,545 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:06:11,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:06:11,550 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:06:11,551 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:06:11,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:06:11,565 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:06:11,567 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:06:11,568 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:06:11,568 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:06:11,570 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:06:11,570 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:06:11,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:06:11,571 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:06:11,571 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:06:11,572 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:06:11,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:06:11,575 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 11:06:11,603 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:06:11,603 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:06:11,605 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:06:11,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:06:11,606 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:06:11,606 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:06:11,606 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:06:11,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:06:11,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:06:11,607 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:06:11,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:06:11,609 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:06:11,609 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:06:11,609 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:06:11,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:06:11,610 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:06:11,610 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:06:11,610 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:06:11,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:06:11,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:06:11,611 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:06:11,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:06:11,611 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:06:11,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:06:11,612 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:06:11,612 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:06:11,612 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:06:11,612 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:06:11,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:06:11,665 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:06:11,682 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:06:11,685 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:06:11,687 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:06:11,688 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:06:11,688 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem04_label54.c [2019-08-14 11:06:11,758 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b7a4937/6e095cbefe314aa395dbc6c3f9cd6e8c/FLAG2c92161f7 [2019-08-14 11:06:12,539 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:06:12,541 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem04_label54.c [2019-08-14 11:06:12,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b7a4937/6e095cbefe314aa395dbc6c3f9cd6e8c/FLAG2c92161f7 [2019-08-14 11:06:13,096 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/33b7a4937/6e095cbefe314aa395dbc6c3f9cd6e8c [2019-08-14 11:06:13,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:06:13,109 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:06:13,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:06:13,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:06:13,114 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:06:13,115 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:06:13" (1/1) ... [2019-08-14 11:06:13,118 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@319b4e04 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:13, skipping insertion in model container [2019-08-14 11:06:13,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:06:13" (1/1) ... [2019-08-14 11:06:13,126 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:06:13,277 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:06:14,776 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:06:14,981 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:06:15,827 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:06:15,882 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:06:15,883 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15 WrapperNode [2019-08-14 11:06:15,884 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:06:15,885 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:06:15,885 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:06:15,885 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:06:15,900 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,900 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,968 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:15,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:16,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:16,101 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:16,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (1/1) ... [2019-08-14 11:06:16,149 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:06:16,150 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:06:16,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:06:16,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:06:16,151 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:06:15" (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 11:06:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:06:16,217 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:06:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:06:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-14 11:06:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-14 11:06:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output4 [2019-08-14 11:06:16,218 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-14 11:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-14 11:06:16,219 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output4 [2019-08-14 11:06:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:06:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:06:16,220 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:06:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:06:16,221 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:06:16,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:06:21,570 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:06:21,570 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:06:21,578 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:21 BoogieIcfgContainer [2019-08-14 11:06:21,578 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:06:21,579 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:06:21,579 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:06:21,579 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:06:21,581 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:06:21" (1/1) ... [2019-08-14 11:06:26,162 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:06:26,167 INFO L168 Benchmark]: Toolchain (without parser) took 13056.25 ms. Allocated memory was 132.1 MB in the beginning and 582.5 MB in the end (delta: 450.4 MB). Free memory was 72.7 MB in the beginning and 304.4 MB in the end (delta: -231.8 MB). Peak memory consumption was 455.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:26,168 INFO L168 Benchmark]: CDTParser took 0.50 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:06:26,169 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2774.59 ms. Allocated memory was 132.1 MB in the beginning and 245.9 MB in the end (delta: 113.8 MB). Free memory was 72.5 MB in the beginning and 128.8 MB in the end (delta: -56.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:26,170 INFO L168 Benchmark]: Boogie Preprocessor took 264.64 ms. Allocated memory is still 245.9 MB. Free memory was 128.8 MB in the beginning and 98.1 MB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:26,172 INFO L168 Benchmark]: RCFGBuilder took 5428.66 ms. Allocated memory was 245.9 MB in the beginning and 394.8 MB in the end (delta: 148.9 MB). Free memory was 98.1 MB in the beginning and 169.1 MB in the end (delta: -71.0 MB). Peak memory consumption was 182.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:26,174 INFO L168 Benchmark]: Symbolic Interpretation took 4583.80 ms. Allocated memory was 394.8 MB in the beginning and 582.5 MB in the end (delta: 187.7 MB). Free memory was 169.1 MB in the beginning and 304.4 MB in the end (delta: -135.3 MB). Peak memory consumption was 289.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:06:26,191 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 4769]: 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 68954#(and (= ~a14~0 18) (= 1 ~a1~0) (= 1 ~a7~0) (= 1 ~a3~0) (= ~a26~0 18) (= ~a25~0 1) (= ~a28~0 15) (= 17 ~a4~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.50 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2774.59 ms. Allocated memory was 132.1 MB in the beginning and 245.9 MB in the end (delta: 113.8 MB). Free memory was 72.5 MB in the beginning and 128.8 MB in the end (delta: -56.4 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 264.64 ms. Allocated memory is still 245.9 MB. Free memory was 128.8 MB in the beginning and 98.1 MB in the end (delta: 30.8 MB). Peak memory consumption was 30.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 5428.66 ms. Allocated memory was 245.9 MB in the beginning and 394.8 MB in the end (delta: 148.9 MB). Free memory was 98.1 MB in the beginning and 169.1 MB in the end (delta: -71.0 MB). Peak memory consumption was 182.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4583.80 ms. Allocated memory was 394.8 MB in the beginning and 582.5 MB in the end (delta: 187.7 MB). Free memory was 169.1 MB in the beginning and 304.4 MB in the end (delta: -135.3 MB). Peak memory consumption was 289.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...