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_label21.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:03:41,191 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:03:41,193 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:03:41,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:03:41,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:03:41,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:03:41,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:03:41,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:03:41,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:03:41,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:03:41,218 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:03:41,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:03:41,219 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:03:41,220 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:03:41,221 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:03:41,222 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:03:41,223 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:03:41,224 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:03:41,225 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:03:41,228 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:03:41,229 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:03:41,230 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:03:41,231 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:03:41,232 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:03:41,234 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:03:41,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:03:41,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:03:41,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:03:41,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:03:41,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:03:41,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:03:41,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:03:41,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:03:41,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:03:41,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:03:41,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:03:41,244 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 11:03:41,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:03:41,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:03:41,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:03:41,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:03:41,266 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:03:41,267 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:03:41,267 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:03:41,267 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:03:41,269 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:03:41,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:03:41,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:03:41,270 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:03:41,270 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:03:41,270 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:03:41,270 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:03:41,271 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:03:41,271 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:03:41,271 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:03:41,271 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:03:41,271 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:03:41,273 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:03:41,273 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:03:41,273 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:03:41,274 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:03:41,274 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:03:41,274 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:03:41,275 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:03:41,275 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:03:41,275 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:03:41,307 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:03:41,318 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:03:41,321 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:03:41,322 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:03:41,323 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:03:41,323 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label21.c [2019-08-14 11:03:41,380 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1c64fc7/e5b9eaa70e714d3b96d7e2fbdaf8544e/FLAGaf3d58779 [2019-08-14 11:03:42,015 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:03:42,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label21.c [2019-08-14 11:03:42,037 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1c64fc7/e5b9eaa70e714d3b96d7e2fbdaf8544e/FLAGaf3d58779 [2019-08-14 11:03:42,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b1c64fc7/e5b9eaa70e714d3b96d7e2fbdaf8544e [2019-08-14 11:03:42,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:03:42,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:03:42,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:42,172 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:03:42,175 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:03:42,176 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:42" (1/1) ... [2019-08-14 11:03:42,179 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@37613af5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:42, skipping insertion in model container [2019-08-14 11:03:42,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:42" (1/1) ... [2019-08-14 11:03:42,187 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:03:42,270 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:03:42,889 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:42,895 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:03:43,211 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:43,236 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:03:43,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43 WrapperNode [2019-08-14 11:03:43,236 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:43,237 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:03:43,237 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:03:43,237 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:03:43,255 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (1/1) ... [2019-08-14 11:03:43,255 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (1/1) ... [2019-08-14 11:03:43,294 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (1/1) ... [2019-08-14 11:03:43,294 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (1/1) ... [2019-08-14 11:03:43,348 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (1/1) ... [2019-08-14 11:03:43,361 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (1/1) ... [2019-08-14 11:03:43,371 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (1/1) ... [2019-08-14 11:03:43,386 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:03:43,387 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:03:43,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:03:43,387 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:03:43,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:43" (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 11:03:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:03:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:03:43,452 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:03:43,453 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:03:43,459 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:03:43,460 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:03:45,673 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:03:45,678 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:03:45,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:45 BoogieIcfgContainer [2019-08-14 11:03:45,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:03:45,681 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:03:45,682 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:03:45,682 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:03:45,685 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:45" (1/1) ... [2019-08-14 11:03:50,132 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:03:50,135 INFO L168 Benchmark]: Toolchain (without parser) took 7962.85 ms. Allocated memory was 132.6 MB in the beginning and 543.2 MB in the end (delta: 410.5 MB). Free memory was 84.3 MB in the beginning and 300.5 MB in the end (delta: -216.2 MB). Peak memory consumption was 365.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:50,136 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-08-14 11:03:50,138 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1064.59 ms. Allocated memory was 132.6 MB in the beginning and 222.3 MB in the end (delta: 89.7 MB). Free memory was 84.1 MB in the beginning and 169.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:50,139 INFO L168 Benchmark]: Boogie Preprocessor took 149.19 ms. Allocated memory is still 222.3 MB. Free memory was 169.5 MB in the beginning and 158.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:50,140 INFO L168 Benchmark]: RCFGBuilder took 2294.45 ms. Allocated memory was 222.3 MB in the beginning and 276.3 MB in the end (delta: 54.0 MB). Free memory was 158.0 MB in the beginning and 76.0 MB in the end (delta: 82.1 MB). Peak memory consumption was 136.1 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:50,141 INFO L168 Benchmark]: Symbolic Interpretation took 4450.58 ms. Allocated memory was 276.3 MB in the beginning and 543.2 MB in the end (delta: 266.9 MB). Free memory was 76.0 MB in the beginning and 300.5 MB in the end (delta: -224.5 MB). Peak memory consumption was 213.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:50,146 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1641]: 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 98881#(and (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a6~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (= 0 ~a3~0) (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 0.22 ms. Allocated memory is still 132.6 MB. Free memory was 107.9 MB in the beginning and 107.6 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1064.59 ms. Allocated memory was 132.6 MB in the beginning and 222.3 MB in the end (delta: 89.7 MB). Free memory was 84.1 MB in the beginning and 169.5 MB in the end (delta: -85.5 MB). Peak memory consumption was 41.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.19 ms. Allocated memory is still 222.3 MB. Free memory was 169.5 MB in the beginning and 158.0 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2294.45 ms. Allocated memory was 222.3 MB in the beginning and 276.3 MB in the end (delta: 54.0 MB). Free memory was 158.0 MB in the beginning and 76.0 MB in the end (delta: 82.1 MB). Peak memory consumption was 136.1 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 4450.58 ms. Allocated memory was 276.3 MB in the beginning and 543.2 MB in the end (delta: 266.9 MB). Free memory was 76.0 MB in the beginning and 300.5 MB in the end (delta: -224.5 MB). Peak memory consumption was 213.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...