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_label29.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:06:44,694 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:06:44,696 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:06:44,707 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:06:44,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:06:44,709 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:06:44,710 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:06:44,712 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:06:44,714 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:06:44,715 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:06:44,716 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:06:44,717 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:06:44,717 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:06:44,718 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:06:44,719 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:06:44,720 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:06:44,721 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:06:44,722 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:06:44,724 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:06:44,726 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:06:44,728 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:06:44,729 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:06:44,730 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:06:44,731 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:06:44,733 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:06:44,741 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:06:44,742 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:06:44,742 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:06:44,743 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 [2019-08-08 11:06:44,757 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:06:44,758 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:06:44,759 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:06:44,759 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:06:44,759 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:06:44,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:06:44,760 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:06:44,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:06:44,760 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:06:44,760 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:06:44,760 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:06:44,761 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:06:44,761 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:06:44,761 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:06:44,761 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:06:44,761 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:06:44,762 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:06:44,762 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:06:44,762 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:06:44,762 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:06:44,762 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:06:44,763 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:06:44,763 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:06:44,763 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:06:44,763 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:06:44,764 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:06:44,764 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:06:44,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:06:44,764 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:06:44,794 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:06:44,808 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:06:44,811 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:06:44,813 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:06:44,813 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:06:44,814 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label29.c [2019-08-08 11:06:44,873 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9043cf7f4/fc94b97183ef4b06abab8e81eb7dc6f1/FLAG40ca5ad49 [2019-08-08 11:06:45,602 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:06:45,605 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label29.c [2019-08-08 11:06:45,633 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9043cf7f4/fc94b97183ef4b06abab8e81eb7dc6f1/FLAG40ca5ad49 [2019-08-08 11:06:45,682 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9043cf7f4/fc94b97183ef4b06abab8e81eb7dc6f1 [2019-08-08 11:06:45,693 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:06:45,694 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:06:45,695 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:06:45,695 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:06:45,699 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:06:45,700 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:06:45" (1/1) ... [2019-08-08 11:06:45,703 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6035cb10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:45, skipping insertion in model container [2019-08-08 11:06:45,703 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:06:45" (1/1) ... [2019-08-08 11:06:45,711 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:06:45,863 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:06:47,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:06:47,319 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:06:47,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:06:47,817 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:06:47,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47 WrapperNode [2019-08-08 11:06:47,818 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:06:47,819 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:06:47,819 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:06:47,819 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:06:47,834 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (1/1) ... [2019-08-08 11:06:47,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (1/1) ... [2019-08-08 11:06:47,880 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (1/1) ... [2019-08-08 11:06:47,880 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (1/1) ... [2019-08-08 11:06:47,981 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (1/1) ... [2019-08-08 11:06:48,010 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (1/1) ... [2019-08-08 11:06:48,040 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (1/1) ... [2019-08-08 11:06:48,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:06:48,072 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:06:48,072 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:06:48,072 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:06:48,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:06:47" (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 [2019-08-08 11:06:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:06:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:06:48,145 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-08 11:06:48,146 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-08 11:06:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-08 11:06:48,147 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:06:48,147 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-08 11:06:48,148 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-08 11:06:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-08 11:06:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:06:48,149 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-08 11:06:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-08 11:06:48,150 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:06:48,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:06:48,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:06:56,850 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:06:56,851 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:06:56,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:06:56 BoogieIcfgContainer [2019-08-08 11:06:56,853 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:06:56,855 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:06:56,855 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:06:56,855 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:06:56,856 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:06:56" (1/1) ... [2019-08-08 11:06:56,869 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:06:56,871 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:06:56,884 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:06:56,892 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:06:56,894 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:06:56,942 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 37 [2019-08-08 11:07:30,073 INFO L185 IcfgInterpreter]: Interpreting procedure calculate_output with input of size 13 [2019-08-08 11:07:30,169 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:07:30,169 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:07:30,172 INFO L179 IcfgInterpreter]: Location calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 978621#(and (= ~a15~0 4) (<= ~a3~0 417) (= ~a24~0 1) (< 306 ~a3~0) (= ~a18~0 8)) [2019-08-08 11:07:30,175 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:07:30,183 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:07:30,186 INFO L168 Benchmark]: Toolchain (without parser) took 44490.75 ms. Allocated memory was 139.5 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 76.7 MB in the beginning and 1.4 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-08 11:07:30,187 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-08 11:07:30,188 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2123.39 ms. Allocated memory was 139.5 MB in the beginning and 244.8 MB in the end (delta: 105.4 MB). Free memory was 76.2 MB in the beginning and 150.9 MB in the end (delta: -74.7 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. [2019-08-08 11:07:30,189 INFO L168 Benchmark]: Boogie Preprocessor took 252.40 ms. Allocated memory is still 244.8 MB. Free memory was 150.9 MB in the beginning and 130.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-08-08 11:07:30,190 INFO L168 Benchmark]: RCFGBuilder took 8782.81 ms. Allocated memory was 244.8 MB in the beginning and 362.8 MB in the end (delta: 118.0 MB). Free memory was 130.8 MB in the beginning and 191.6 MB in the end (delta: -60.8 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:07:30,191 INFO L168 Benchmark]: Symbolic Interpretation took 33328.41 ms. Allocated memory was 362.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 191.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. [2019-08-08 11:07:30,196 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 126]: 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.. 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 139.5 MB. Free memory was 104.4 MB in the beginning and 104.2 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2123.39 ms. Allocated memory was 139.5 MB in the beginning and 244.8 MB in the end (delta: 105.4 MB). Free memory was 76.2 MB in the beginning and 150.9 MB in the end (delta: -74.7 MB). Peak memory consumption was 44.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 252.40 ms. Allocated memory is still 244.8 MB. Free memory was 150.9 MB in the beginning and 130.8 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 8782.81 ms. Allocated memory was 244.8 MB in the beginning and 362.8 MB in the end (delta: 118.0 MB). Free memory was 130.8 MB in the beginning and 191.6 MB in the end (delta: -60.8 MB). Peak memory consumption was 105.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 33328.41 ms. Allocated memory was 362.8 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 191.6 MB in the beginning and 1.4 GB in the end (delta: -1.2 GB). Peak memory consumption was 1.6 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...