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 0.1.24-2989841 [2019-08-09 23:53:53,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:53:53,941 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:53:53,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:53:53,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:53:53,959 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:53:53,961 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:53:53,964 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:53:53,968 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:53:53,974 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:53:53,975 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:53:53,979 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:53:53,980 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:53:53,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:53:53,984 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:53:53,986 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:53:53,988 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:53:53,989 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:53:53,994 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:53:53,996 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:53:53,999 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:53:54,000 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:53:54,001 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:53:54,002 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:53:54,004 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-09 23:53:54,004 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-09 23:53:54,004 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-09 23:53:54,005 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-09 23:53:54,006 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-09 23:53:54,006 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-09 23:53:54,007 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:53:54,007 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:53:54,008 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:53:54,009 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:53:54,010 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:53:54,010 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:53:54,011 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:53:54,011 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:53:54,011 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:53:54,012 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:53:54,012 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:53:54,013 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 23:53:54,031 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:53:54,032 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:53:54,033 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:53:54,034 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:53:54,034 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:53:54,034 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:53:54,034 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:53:54,035 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:53:54,035 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:53:54,035 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:53:54,035 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:53:54,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:53:54,036 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:53:54,036 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:53:54,036 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:53:54,036 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:53:54,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:53:54,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:53:54,037 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:53:54,037 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:53:54,037 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:53:54,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:53:54,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:53:54,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:53:54,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:53:54,040 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:53:54,040 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:53:54,040 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:53:54,040 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:53:54,075 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:53:54,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:53:54,091 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:53:54,093 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:53:54,093 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:53:54,094 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label29.c [2019-08-09 23:53:54,165 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d12e1a57/6a96358d5c024df9b57d4424c9f1a17a/FLAGbd5e1a667 [2019-08-09 23:53:54,941 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:53:54,942 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label29.c [2019-08-09 23:53:54,974 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d12e1a57/6a96358d5c024df9b57d4424c9f1a17a/FLAGbd5e1a667 [2019-08-09 23:53:55,443 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4d12e1a57/6a96358d5c024df9b57d4424c9f1a17a [2019-08-09 23:53:55,457 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:53:55,459 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:53:55,460 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:53:55,460 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:53:55,464 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:53:55,465 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:53:55" (1/1) ... [2019-08-09 23:53:55,468 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@94fb545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:55, skipping insertion in model container [2019-08-09 23:53:55,468 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:53:55" (1/1) ... [2019-08-09 23:53:55,476 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:53:55,599 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:53:56,683 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:53:56,689 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:53:57,266 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:53:57,299 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:53:57,300 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57 WrapperNode [2019-08-09 23:53:57,301 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:53:57,302 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:53:57,302 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:53:57,302 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:53:57,317 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (1/1) ... [2019-08-09 23:53:57,318 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (1/1) ... [2019-08-09 23:53:57,370 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (1/1) ... [2019-08-09 23:53:57,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (1/1) ... [2019-08-09 23:53:57,450 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (1/1) ... [2019-08-09 23:53:57,484 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (1/1) ... [2019-08-09 23:53:57,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (1/1) ... [2019-08-09 23:53:57,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:53:57,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:53:57,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:53:57,563 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:53:57,565 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:53:57" (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 23:53:57,664 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:53:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:53:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:53:57,665 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:53:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:53:57,666 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:53:57,666 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:53:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:53:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:53:57,667 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:53:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:53:57,668 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:53:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:53:57,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:53:57,671 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:54:01,763 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:54:01,764 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:54:01,765 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:54:01 BoogieIcfgContainer [2019-08-09 23:54:01,766 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:54:01,766 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:54:01,767 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:54:01,767 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:54:01,768 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:54:01" (1/1) ... [2019-08-09 23:54:41,440 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:54:41,447 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:54:41,451 INFO L168 Benchmark]: Toolchain (without parser) took 45990.67 ms. Allocated memory was 140.0 MB in the beginning and 2.0 GB in the end (delta: 1.9 GB). Free memory was 77.8 MB in the beginning and 479.5 MB in the end (delta: -401.7 MB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-09 23:54:41,452 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-09 23:54:41,453 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1841.24 ms. Allocated memory was 140.0 MB in the beginning and 226.0 MB in the end (delta: 86.0 MB). Free memory was 77.6 MB in the beginning and 106.2 MB in the end (delta: -28.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:54:41,454 INFO L168 Benchmark]: Boogie Preprocessor took 259.88 ms. Allocated memory is still 226.0 MB. Free memory was 106.2 MB in the beginning and 85.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. [2019-08-09 23:54:41,455 INFO L168 Benchmark]: RCFGBuilder took 4204.01 ms. Allocated memory was 226.0 MB in the beginning and 342.4 MB in the end (delta: 116.4 MB). Free memory was 85.1 MB in the beginning and 109.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-08-09 23:54:41,456 INFO L168 Benchmark]: Symbolic Interpretation took 39681.30 ms. Allocated memory was 342.4 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 109.1 MB in the beginning and 479.5 MB in the end (delta: -370.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. [2019-08-09 23:54:41,461 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. Predicate is 978735#(and (= ~a15~0 4) (<= ~a3~0 417) (= ~a24~0 1) (< 306 ~a3~0) (= ~a18~0 8)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 140.0 MB. Free memory was 106.0 MB in the beginning and 105.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1841.24 ms. Allocated memory was 140.0 MB in the beginning and 226.0 MB in the end (delta: 86.0 MB). Free memory was 77.6 MB in the beginning and 106.2 MB in the end (delta: -28.5 MB). Peak memory consumption was 70.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 259.88 ms. Allocated memory is still 226.0 MB. Free memory was 106.2 MB in the beginning and 85.1 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4204.01 ms. Allocated memory was 226.0 MB in the beginning and 342.4 MB in the end (delta: 116.4 MB). Free memory was 85.1 MB in the beginning and 109.1 MB in the end (delta: -23.9 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 39681.30 ms. Allocated memory was 342.4 MB in the beginning and 2.0 GB in the end (delta: 1.7 GB). Free memory was 109.1 MB in the beginning and 479.5 MB in the end (delta: -370.4 MB). Peak memory consumption was 1.7 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...