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/Problem03_label51.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:04:26,979 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:04:26,981 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:04:26,998 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:04:26,999 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:04:27,001 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:04:27,003 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:04:27,012 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:04:27,017 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:04:27,021 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:04:27,022 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:04:27,024 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:04:27,024 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:04:27,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:04:27,029 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:04:27,031 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:04:27,033 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:04:27,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:04:27,036 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:04:27,041 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:04:27,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:04:27,047 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:04:27,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:04:27,050 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:04:27,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:04:27,057 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:04:27,059 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:04:27,060 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:04:27,060 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:04:27,063 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:04:27,063 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:04:27,063 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:04:27,064 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:04:27,064 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:04:27,065 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:04:27,065 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:04:27,067 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 [2019-08-14 11:04:27,101 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:04:27,101 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:04:27,107 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:04:27,108 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:04:27,108 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:04:27,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:04:27,111 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:04:27,112 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:04:27,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:04:27,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:04:27,112 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:04:27,112 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:04:27,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:04:27,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:04:27,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:04:27,113 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:04:27,113 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:04:27,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:04:27,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:04:27,114 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:04:27,115 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:04:27,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:04:27,116 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:04:27,116 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:04:27,116 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:04:27,116 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:04:27,116 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:04:27,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:04:27,117 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:04:27,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:04:27,179 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:04:27,182 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:04:27,184 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:04:27,184 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:04:27,185 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label51.c [2019-08-14 11:04:27,246 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910048e9f/2b2d126288bc457180c897286acd2dca/FLAGc3558ff4f [2019-08-14 11:04:27,855 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:04:27,856 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label51.c [2019-08-14 11:04:27,879 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910048e9f/2b2d126288bc457180c897286acd2dca/FLAGc3558ff4f [2019-08-14 11:04:28,092 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/910048e9f/2b2d126288bc457180c897286acd2dca [2019-08-14 11:04:28,107 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:04:28,108 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:04:28,110 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:28,110 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:04:28,113 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:04:28,114 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:28,117 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@74156f3b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:28, skipping insertion in model container [2019-08-14 11:04:28,118 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:28" (1/1) ... [2019-08-14 11:04:28,125 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:04:28,216 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:04:29,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:29,028 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:04:29,425 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:29,457 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:04:29,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29 WrapperNode [2019-08-14 11:04:29,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:29,459 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:04:29,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:04:29,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:04:29,474 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (1/1) ... [2019-08-14 11:04:29,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (1/1) ... [2019-08-14 11:04:29,518 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (1/1) ... [2019-08-14 11:04:29,519 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (1/1) ... [2019-08-14 11:04:29,574 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (1/1) ... [2019-08-14 11:04:29,600 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (1/1) ... [2019-08-14 11:04:29,619 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (1/1) ... [2019-08-14 11:04:29,634 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:04:29,635 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:04:29,635 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:04:29,635 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:04:29,636 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:29" (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 [2019-08-14 11:04:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:04:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:04:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:04:29,700 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:04:29,701 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:04:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:04:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:04:29,702 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:04:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:04:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:04:29,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:04:31,736 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:04:31,737 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:04:31,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:31 BoogieIcfgContainer [2019-08-14 11:04:31,738 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:04:31,739 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:04:31,739 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:04:31,739 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:04:31,740 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:31" (1/1) ... [2019-08-14 11:04:35,624 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:04:35,628 INFO L168 Benchmark]: Toolchain (without parser) took 7518.29 ms. Allocated memory was 138.9 MB in the beginning and 476.1 MB in the end (delta: 337.1 MB). Free memory was 81.1 MB in the beginning and 167.6 MB in the end (delta: -86.5 MB). Peak memory consumption was 373.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,629 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1349.48 ms. Allocated memory was 138.9 MB in the beginning and 217.6 MB in the end (delta: 78.6 MB). Free memory was 80.9 MB in the beginning and 148.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,631 INFO L168 Benchmark]: Boogie Preprocessor took 175.18 ms. Allocated memory is still 217.6 MB. Free memory was 148.6 MB in the beginning and 137.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,633 INFO L168 Benchmark]: RCFGBuilder took 2103.76 ms. Allocated memory was 217.6 MB in the beginning and 280.0 MB in the end (delta: 62.4 MB). Free memory was 137.4 MB in the beginning and 233.1 MB in the end (delta: -95.7 MB). Peak memory consumption was 126.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,634 INFO L168 Benchmark]: Symbolic Interpretation took 3885.93 ms. Allocated memory was 280.0 MB in the beginning and 476.1 MB in the end (delta: 196.1 MB). Free memory was 233.1 MB in the beginning and 167.6 MB in the end (delta: 65.5 MB). Peak memory consumption was 384.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:35,638 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1599]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 82205#(and (= ~a18~0 1) (= 1 ~a5~0) (= ~a27~0 1) (= 1 ~a3~0) (= 1 ~a6~0) (not (= ~a12~0 1)) (not (= ~a11~0 1)) (= ~a26~0 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 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1349.48 ms. Allocated memory was 138.9 MB in the beginning and 217.6 MB in the end (delta: 78.6 MB). Free memory was 80.9 MB in the beginning and 148.6 MB in the end (delta: -67.7 MB). Peak memory consumption was 35.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 175.18 ms. Allocated memory is still 217.6 MB. Free memory was 148.6 MB in the beginning and 137.4 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2103.76 ms. Allocated memory was 217.6 MB in the beginning and 280.0 MB in the end (delta: 62.4 MB). Free memory was 137.4 MB in the beginning and 233.1 MB in the end (delta: -95.7 MB). Peak memory consumption was 126.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3885.93 ms. Allocated memory was 280.0 MB in the beginning and 476.1 MB in the end (delta: 196.1 MB). Free memory was 233.1 MB in the beginning and 167.6 MB in the end (delta: 65.5 MB). Peak memory consumption was 384.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...