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/Problem14_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 20:36:46,673 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 20:36:46,675 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 20:36:46,693 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 20:36:46,693 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 20:36:46,695 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 20:36:46,697 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 20:36:46,709 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 20:36:46,711 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 20:36:46,711 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 20:36:46,712 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 20:36:46,713 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 20:36:46,714 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 20:36:46,715 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 20:36:46,716 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 20:36:46,717 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 20:36:46,717 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 20:36:46,718 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 20:36:46,720 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 20:36:46,722 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 20:36:46,723 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 20:36:46,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 20:36:46,725 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 20:36:46,726 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 20:36:46,728 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 20:36:46,728 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 20:36:46,728 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 20:36:46,729 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 20:36:46,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 20:36:46,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 20:36:46,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 20:36:46,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 20:36:46,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 20:36:46,733 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 20:36:46,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 20:36:46,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 20:36:46,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 20:36:46,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 20:36:46,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 20:36:46,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 20:36:46,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 20:36:46,737 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 20:36:46,751 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 20:36:46,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 20:36:46,752 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 20:36:46,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 20:36:46,753 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 20:36:46,753 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 20:36:46,753 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 20:36:46,753 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 20:36:46,754 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 20:36:46,754 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 20:36:46,754 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 20:36:46,754 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 20:36:46,754 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 20:36:46,755 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 20:36:46,755 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 20:36:46,755 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 20:36:46,755 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 20:36:46,755 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 20:36:46,756 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 20:36:46,756 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 20:36:46,756 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 20:36:46,756 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 20:36:46,756 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 20:36:46,757 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 20:36:46,757 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 20:36:46,757 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 20:36:46,757 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 20:36:46,757 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 20:36:46,758 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 20:36:46,790 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 20:36:46,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 20:36:46,806 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 20:36:46,808 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 20:36:46,808 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 20:36:46,809 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem14_label17.c [2019-08-09 20:36:46,870 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b857f5f/020629d5e5894df09f615c677a425902/FLAGd795b5ebb [2019-08-09 20:36:47,455 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 20:36:47,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem14_label17.c [2019-08-09 20:36:47,474 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b857f5f/020629d5e5894df09f615c677a425902/FLAGd795b5ebb [2019-08-09 20:36:47,749 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/49b857f5f/020629d5e5894df09f615c677a425902 [2019-08-09 20:36:47,757 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 20:36:47,759 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 20:36:47,760 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 20:36:47,760 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 20:36:47,764 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 20:36:47,764 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:36:47" (1/1) ... [2019-08-09 20:36:47,767 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40bd77ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:47, skipping insertion in model container [2019-08-09 20:36:47,768 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 08:36:47" (1/1) ... [2019-08-09 20:36:47,775 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 20:36:47,833 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 20:36:48,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:36:48,428 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 20:36:48,555 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 20:36:48,573 INFO L192 MainTranslator]: Completed translation [2019-08-09 20:36:48,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48 WrapperNode [2019-08-09 20:36:48,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 20:36:48,574 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 20:36:48,574 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 20:36:48,574 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 20:36:48,585 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (1/1) ... [2019-08-09 20:36:48,585 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (1/1) ... [2019-08-09 20:36:48,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (1/1) ... [2019-08-09 20:36:48,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (1/1) ... [2019-08-09 20:36:48,653 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (1/1) ... [2019-08-09 20:36:48,673 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (1/1) ... [2019-08-09 20:36:48,683 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (1/1) ... [2019-08-09 20:36:48,696 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 20:36:48,698 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 20:36:48,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 20:36:48,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 20:36:48,700 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 08:36:48" (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 20:36:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 20:36:48,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 20:36:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 20:36:48,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 20:36:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 20:36:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 20:36:48,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 20:36:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 20:36:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 20:36:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 20:36:48,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 20:36:50,205 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 20:36:50,205 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 20:36:50,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:36:50 BoogieIcfgContainer [2019-08-09 20:36:50,211 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 20:36:50,213 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 20:36:50,213 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 20:36:50,213 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 20:36:50,216 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 08:36:50" (1/1) ... [2019-08-09 20:37:06,345 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 20:37:06,356 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 20:37:06,359 INFO L168 Benchmark]: Toolchain (without parser) took 18599.04 ms. Allocated memory was 132.1 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 86.3 MB in the beginning and 84.4 MB in the end (delta: 1.9 MB). Peak memory consumption was 1.1 GB. Max. memory is 7.1 GB. [2019-08-09 20:37:06,361 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 20:37:06,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 813.70 ms. Allocated memory was 132.1 MB in the beginning and 202.9 MB in the end (delta: 70.8 MB). Free memory was 85.9 MB in the beginning and 164.2 MB in the end (delta: -78.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:06,363 INFO L168 Benchmark]: Boogie Preprocessor took 124.25 ms. Allocated memory is still 202.9 MB. Free memory was 164.2 MB in the beginning and 158.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:06,364 INFO L168 Benchmark]: RCFGBuilder took 1512.96 ms. Allocated memory was 202.9 MB in the beginning and 226.0 MB in the end (delta: 23.1 MB). Free memory was 158.7 MB in the beginning and 156.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. [2019-08-09 20:37:06,365 INFO L168 Benchmark]: Symbolic Interpretation took 16143.16 ms. Allocated memory was 226.0 MB in the beginning and 1.2 GB in the end (delta: 935.9 MB). Free memory was 156.7 MB in the beginning and 84.4 MB in the end (delta: 72.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-09 20:37:06,371 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 172]: 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 415515#(and (= ~a24~0 1) (= ~a15~0 5) (< 80 ~a12~0) (= ~a21~0 9)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 813.70 ms. Allocated memory was 132.1 MB in the beginning and 202.9 MB in the end (delta: 70.8 MB). Free memory was 85.9 MB in the beginning and 164.2 MB in the end (delta: -78.4 MB). Peak memory consumption was 42.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.25 ms. Allocated memory is still 202.9 MB. Free memory was 164.2 MB in the beginning and 158.7 MB in the end (delta: 5.6 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1512.96 ms. Allocated memory was 202.9 MB in the beginning and 226.0 MB in the end (delta: 23.1 MB). Free memory was 158.7 MB in the beginning and 156.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 89.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 16143.16 ms. Allocated memory was 226.0 MB in the beginning and 1.2 GB in the end (delta: 935.9 MB). Free memory was 156.7 MB in the beginning and 84.4 MB in the end (delta: 72.3 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...