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/Problem01_label46.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:49:18,583 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:49:18,585 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:49:18,597 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:49:18,598 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:49:18,599 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:49:18,600 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:49:18,602 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:49:18,604 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:49:18,606 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:49:18,607 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:49:18,608 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:49:18,608 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:49:18,609 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:49:18,610 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:49:18,611 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:49:18,612 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:49:18,613 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:49:18,615 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:49:18,617 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:49:18,620 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:49:18,622 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:49:18,623 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:49:18,624 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:49:18,626 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:49:18,630 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:49:18,631 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:49:18,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:49:18,638 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:49:18,639 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:49:18,639 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:49:18,640 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:49:18,640 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:49:18,640 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:49:18,641 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:49:18,642 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:49:18,644 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 16:49:18,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:49:18,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:49:18,662 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:49:18,662 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:49:18,662 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:49:18,662 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:49:18,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:49:18,663 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:49:18,663 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:49:18,663 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:49:18,663 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:49:18,663 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:49:18,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:49:18,664 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:49:18,664 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:49:18,664 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:49:18,664 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:49:18,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:49:18,665 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:49:18,665 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:49:18,665 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:49:18,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:49:18,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:49:18,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:49:18,666 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:49:18,666 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:49:18,666 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:49:18,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:49:18,667 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:49:18,696 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:49:18,709 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:49:18,713 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:49:18,714 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:49:18,715 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:49:18,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2019-08-09 16:49:18,775 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce3e3177/2f4178ea524d4af9a30ad08634aee90b/FLAG1d13370e8 [2019-08-09 16:49:19,347 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:49:19,348 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label46.c [2019-08-09 16:49:19,362 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce3e3177/2f4178ea524d4af9a30ad08634aee90b/FLAG1d13370e8 [2019-08-09 16:49:19,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dce3e3177/2f4178ea524d4af9a30ad08634aee90b [2019-08-09 16:49:19,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:49:19,631 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:49:19,637 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:19,637 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:49:19,641 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:49:19,643 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:19" (1/1) ... [2019-08-09 16:49:19,646 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e1958e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:19, skipping insertion in model container [2019-08-09 16:49:19,646 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:49:19" (1/1) ... [2019-08-09 16:49:19,654 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:49:19,714 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:49:20,140 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:20,266 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:49:20,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:49:20,405 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:49:20,405 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20 WrapperNode [2019-08-09 16:49:20,405 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:49:20,406 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:49:20,406 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:49:20,406 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:49:20,421 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (1/1) ... [2019-08-09 16:49:20,421 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (1/1) ... [2019-08-09 16:49:20,449 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (1/1) ... [2019-08-09 16:49:20,449 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (1/1) ... [2019-08-09 16:49:20,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (1/1) ... [2019-08-09 16:49:20,503 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (1/1) ... [2019-08-09 16:49:20,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (1/1) ... [2019-08-09 16:49:20,515 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:49:20,515 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:49:20,515 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:49:20,515 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:49:20,516 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:49:20" (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 16:49:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:49:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:49:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:49:20,567 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:49:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:49:20,567 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:49:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:49:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:49:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:49:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:49:20,568 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:49:21,840 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:49:21,841 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:49:21,845 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:21 BoogieIcfgContainer [2019-08-09 16:49:21,846 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:49:21,846 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:49:21,847 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:49:21,847 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:49:21,849 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:49:21" (1/1) ... [2019-08-09 16:49:23,886 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:49:23,893 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:49:23,896 INFO L168 Benchmark]: Toolchain (without parser) took 4264.72 ms. Allocated memory was 137.9 MB in the beginning and 358.6 MB in the end (delta: 220.7 MB). Free memory was 84.1 MB in the beginning and 201.0 MB in the end (delta: -117.0 MB). Peak memory consumption was 152.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:23,898 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:49:23,899 INFO L168 Benchmark]: CACSL2BoogieTranslator took 768.64 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 83.8 MB in the beginning and 165.7 MB in the end (delta: -81.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:23,900 INFO L168 Benchmark]: Boogie Preprocessor took 108.75 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 160.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:23,903 INFO L168 Benchmark]: RCFGBuilder took 1330.80 ms. Allocated memory was 200.3 MB in the beginning and 220.7 MB in the end (delta: 20.4 MB). Free memory was 160.2 MB in the beginning and 178.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:23,905 INFO L168 Benchmark]: Symbolic Interpretation took 2047.45 ms. Allocated memory was 220.7 MB in the beginning and 358.6 MB in the end (delta: 137.9 MB). Free memory was 178.1 MB in the beginning and 201.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 163.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:49:23,909 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 512]: 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 42532#(and (not (= ~a20~0 1)) (= 13 ~a8~0) (not (= 1 ~a7~0)) (= ~a12~0 8) (= ~a21~0 1) (= ~a16~0 6) (not (= ~a17~0 1))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 768.64 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 83.8 MB in the beginning and 165.7 MB in the end (delta: -81.9 MB). Peak memory consumption was 33.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.75 ms. Allocated memory is still 200.3 MB. Free memory was 165.7 MB in the beginning and 160.2 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1330.80 ms. Allocated memory was 200.3 MB in the beginning and 220.7 MB in the end (delta: 20.4 MB). Free memory was 160.2 MB in the beginning and 178.1 MB in the end (delta: -17.9 MB). Peak memory consumption was 94.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2047.45 ms. Allocated memory was 220.7 MB in the beginning and 358.6 MB in the end (delta: 137.9 MB). Free memory was 178.1 MB in the beginning and 201.0 MB in the end (delta: -22.9 MB). Peak memory consumption was 163.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...