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/Problem18_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:57:15,535 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:57:15,538 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:57:15,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:57:15,550 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:57:15,551 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:57:15,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:57:15,555 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:57:15,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:57:15,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:57:15,558 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:57:15,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:57:15,560 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:57:15,561 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:57:15,562 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:57:15,563 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:57:15,564 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:57:15,565 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:57:15,567 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:57:15,569 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:57:15,570 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:57:15,572 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:57:15,573 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:57:15,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:57:15,577 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:57:15,586 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:57:15,587 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:57:15,588 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:57:15,589 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 [2019-08-09 23:57:15,605 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:57:15,605 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:57:15,606 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:57:15,606 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:57:15,607 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:57:15,607 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:57:15,607 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:57:15,607 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:57:15,607 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:57:15,608 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:57:15,608 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:57:15,608 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:57:15,608 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:57:15,608 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:57:15,609 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:57:15,609 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:57:15,609 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:57:15,609 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:57:15,610 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:57:15,610 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:57:15,610 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:57:15,610 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:57:15,610 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:57:15,611 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:57:15,611 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:57:15,611 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:57:15,611 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:57:15,611 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:57:15,612 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:57:15,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:57:15,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:57:15,657 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:57:15,659 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:57:15,659 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:57:15,660 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label51.c [2019-08-09 23:57:15,726 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddb71bfd/07bcdf4f5a154abe9073069f09ba5c7f/FLAGf71046acf [2019-08-09 23:57:16,525 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:57:16,528 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label51.c [2019-08-09 23:57:16,556 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddb71bfd/07bcdf4f5a154abe9073069f09ba5c7f/FLAGf71046acf [2019-08-09 23:57:17,045 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cddb71bfd/07bcdf4f5a154abe9073069f09ba5c7f [2019-08-09 23:57:17,056 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:57:17,058 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:57:17,060 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:57:17,060 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:57:17,064 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:57:17,065 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:57:17" (1/1) ... [2019-08-09 23:57:17,068 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21b6ec86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:17, skipping insertion in model container [2019-08-09 23:57:17,068 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:57:17" (1/1) ... [2019-08-09 23:57:17,076 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:57:17,221 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:57:18,283 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:18,288 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:57:19,070 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:57:19,106 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:57:19,107 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19 WrapperNode [2019-08-09 23:57:19,107 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:57:19,109 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:57:19,110 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:57:19,110 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:57:19,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (1/1) ... [2019-08-09 23:57:19,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (1/1) ... [2019-08-09 23:57:19,187 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (1/1) ... [2019-08-09 23:57:19,189 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (1/1) ... [2019-08-09 23:57:19,271 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (1/1) ... [2019-08-09 23:57:19,306 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (1/1) ... [2019-08-09 23:57:19,332 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (1/1) ... [2019-08-09 23:57:19,353 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:57:19,354 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:57:19,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:57:19,355 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:57:19,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:57:19" (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 [2019-08-09 23:57:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:57:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:57:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:57:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:57:19,420 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:57:19,421 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:57:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:57:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:57:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:57:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:57:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:57:19,421 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:57:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:57:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:57:19,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:57:23,184 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:57:23,184 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:57:23,186 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:23 BoogieIcfgContainer [2019-08-09 23:57:23,186 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:57:23,187 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:57:23,187 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:57:23,187 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:57:23,188 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:57:23" (1/1) ... [2019-08-09 23:58:03,203 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:58:03,211 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:58:03,215 INFO L168 Benchmark]: Toolchain (without parser) took 46155.26 ms. Allocated memory was 139.5 MB in the beginning and 2.1 GB in the end (delta: 2.0 GB). Free memory was 77.5 MB in the beginning and 228.2 MB in the end (delta: -150.7 MB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-09 23:58:03,216 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 23:58:03,218 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2048.58 ms. Allocated memory was 139.5 MB in the beginning and 243.8 MB in the end (delta: 104.3 MB). Free memory was 77.1 MB in the beginning and 153.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:03,220 INFO L168 Benchmark]: Boogie Preprocessor took 245.13 ms. Allocated memory is still 243.8 MB. Free memory was 153.0 MB in the beginning and 132.2 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:03,222 INFO L168 Benchmark]: RCFGBuilder took 3832.28 ms. Allocated memory was 243.8 MB in the beginning and 372.2 MB in the end (delta: 128.5 MB). Free memory was 132.2 MB in the beginning and 192.3 MB in the end (delta: -60.1 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:58:03,224 INFO L168 Benchmark]: Symbolic Interpretation took 40024.51 ms. Allocated memory was 372.2 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 192.3 MB in the beginning and 228.2 MB in the end (delta: -35.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. [2019-08-09 23:58:03,235 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 189]: 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. Predicate is 979487#(and (= ~a15~0 4) (= ~a18~0 10) (= ~a24~0 2) (<= ~a3~0 417) (< 306 ~a3~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 105.5 MB in the beginning and 105.3 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2048.58 ms. Allocated memory was 139.5 MB in the beginning and 243.8 MB in the end (delta: 104.3 MB). Free memory was 77.1 MB in the beginning and 153.0 MB in the end (delta: -75.9 MB). Peak memory consumption was 47.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 245.13 ms. Allocated memory is still 243.8 MB. Free memory was 153.0 MB in the beginning and 132.2 MB in the end (delta: 20.8 MB). Peak memory consumption was 20.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 3832.28 ms. Allocated memory was 243.8 MB in the beginning and 372.2 MB in the end (delta: 128.5 MB). Free memory was 132.2 MB in the beginning and 192.3 MB in the end (delta: -60.1 MB). Peak memory consumption was 104.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 40024.51 ms. Allocated memory was 372.2 MB in the beginning and 2.1 GB in the end (delta: 1.8 GB). Free memory was 192.3 MB in the beginning and 228.2 MB in the end (delta: -35.9 MB). Peak memory consumption was 1.8 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...