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/Problem10_label08.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:48:02,120 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:48:02,122 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:48:02,134 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:48:02,134 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:48:02,135 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:48:02,136 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:48:02,138 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:48:02,140 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:48:02,141 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:48:02,142 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:48:02,143 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:48:02,143 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:48:02,144 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:48:02,145 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:48:02,146 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:48:02,147 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:48:02,148 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:48:02,150 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:48:02,152 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:48:02,154 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:48:02,155 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:48:02,156 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:48:02,157 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:48:02,159 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:48:02,164 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:48:02,165 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:48:02,168 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:48:02,168 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:48:02,169 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:48:02,169 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:48:02,170 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:48:02,170 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:48:02,170 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:48:02,171 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:48:02,172 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:48:02,173 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 11:48:02,197 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:48:02,197 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:48:02,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:48:02,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:48:02,201 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:48:02,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:48:02,201 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:48:02,201 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:48:02,202 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:48:02,202 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:48:02,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:48:02,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:48:02,203 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:48:02,204 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:48:02,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:48:02,204 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:48:02,204 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:48:02,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:48:02,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:48:02,206 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:48:02,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:48:02,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:48:02,207 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:48:02,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:48:02,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:48:02,208 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:48:02,208 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:48:02,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:48:02,208 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:48:02,240 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:48:02,253 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:48:02,256 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:48:02,258 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:48:02,258 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:48:02,259 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label08.c [2019-08-14 11:48:02,318 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a959f34/ef17926e4e1a4fe6bbfe00f079de51d0/FLAG57d35c312 [2019-08-14 11:48:02,881 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:48:02,882 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label08.c [2019-08-14 11:48:02,894 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a959f34/ef17926e4e1a4fe6bbfe00f079de51d0/FLAG57d35c312 [2019-08-14 11:48:03,184 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73a959f34/ef17926e4e1a4fe6bbfe00f079de51d0 [2019-08-14 11:48:03,196 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:48:03,197 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:48:03,198 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:03,198 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:48:03,202 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:48:03,203 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:03,206 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71d2dc48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03, skipping insertion in model container [2019-08-14 11:48:03,206 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:03,213 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:48:03,266 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:48:03,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:03,843 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:48:03,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:03,960 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:48:03,961 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03 WrapperNode [2019-08-14 11:48:03,962 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:03,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:48:03,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:48:03,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:48:03,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:03,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:04,005 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:04,007 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:04,051 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:04,063 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:04,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (1/1) ... [2019-08-14 11:48:04,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:48:04,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:48:04,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:48:04,078 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:48:04,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:03" (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 11:48:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:48:04,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:48:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:48:04,150 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:48:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:48:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:48:04,150 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:48:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:48:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:48:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:48:04,151 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:48:05,550 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:48:05,550 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:48:05,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:05 BoogieIcfgContainer [2019-08-14 11:48:05,552 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:48:05,553 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:48:05,553 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:48:05,553 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:48:05,554 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:05" (1/1) ... [2019-08-14 11:48:25,795 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:48:25,798 INFO L168 Benchmark]: Toolchain (without parser) took 22599.50 ms. Allocated memory was 132.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 86.0 MB in the beginning and 568.9 MB in the end (delta: -482.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-14 11:48:25,799 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:48:25,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 763.98 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 85.8 MB in the beginning and 167.5 MB in the end (delta: -81.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:25,801 INFO L168 Benchmark]: Boogie Preprocessor took 114.30 ms. Allocated memory is still 202.4 MB. Free memory was 167.5 MB in the beginning and 162.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:25,802 INFO L168 Benchmark]: RCFGBuilder took 1475.01 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 162.1 MB in the beginning and 181.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:48:25,803 INFO L168 Benchmark]: Symbolic Interpretation took 20242.33 ms. Allocated memory was 225.4 MB in the beginning and 1.2 GB in the end (delta: 964.2 MB). Free memory was 181.6 MB in the beginning and 568.9 MB in the end (delta: -387.4 MB). Peak memory consumption was 1.0 GB. Max. memory is 7.1 GB. [2019-08-14 11:48:25,808 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 124]: 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 157516#(and (<= ~a1~0 38) (= 14 ~a4~0) (= ~a10~0 2) (= ~a19~0 6) (= ~a12~0 0) (< 0 (+ ~a1~0 13))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 763.98 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 85.8 MB in the beginning and 167.5 MB in the end (delta: -81.6 MB). Peak memory consumption was 38.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.30 ms. Allocated memory is still 202.4 MB. Free memory was 167.5 MB in the beginning and 162.7 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1475.01 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 162.1 MB in the beginning and 181.6 MB in the end (delta: -19.5 MB). Peak memory consumption was 92.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20242.33 ms. Allocated memory was 225.4 MB in the beginning and 1.2 GB in the end (delta: 964.2 MB). Free memory was 181.6 MB in the beginning and 568.9 MB in the end (delta: -387.4 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...