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/Problem01_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 10:59:47,368 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 10:59:47,370 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 10:59:47,382 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 10:59:47,382 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 10:59:47,384 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 10:59:47,385 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 10:59:47,387 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 10:59:47,389 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 10:59:47,390 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 10:59:47,391 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 10:59:47,392 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 10:59:47,392 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 10:59:47,393 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 10:59:47,394 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 10:59:47,395 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 10:59:47,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 10:59:47,397 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 10:59:47,399 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 10:59:47,401 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 10:59:47,403 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 10:59:47,404 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 10:59:47,405 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 10:59:47,405 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 10:59:47,407 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 10:59:47,411 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 10:59:47,411 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 10:59:47,412 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 10:59:47,413 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 10:59:47,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 10:59:47,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 10:59:47,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 10:59:47,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 10:59:47,415 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 10:59:47,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 10:59:47,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 10:59:47,418 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 10:59:47,431 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 10:59:47,432 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 10:59:47,433 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 10:59:47,433 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 10:59:47,433 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 10:59:47,434 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 10:59:47,434 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 10:59:47,434 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 10:59:47,434 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 10:59:47,434 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 10:59:47,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 10:59:47,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 10:59:47,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 10:59:47,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 10:59:47,435 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 10:59:47,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 10:59:47,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 10:59:47,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 10:59:47,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 10:59:47,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 10:59:47,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 10:59:47,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 10:59:47,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 10:59:47,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 10:59:47,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 10:59:47,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 10:59:47,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 10:59:47,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 10:59:47,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 10:59:47,466 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 10:59:47,479 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 10:59:47,482 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 10:59:47,484 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 10:59:47,484 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 10:59:47,485 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2019-08-14 10:59:47,548 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead52aab2/303df38b309a496880661b32ffbf964b/FLAGeab267cae [2019-08-14 10:59:48,103 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 10:59:48,103 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label17.c [2019-08-14 10:59:48,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead52aab2/303df38b309a496880661b32ffbf964b/FLAGeab267cae [2019-08-14 10:59:48,314 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ead52aab2/303df38b309a496880661b32ffbf964b [2019-08-14 10:59:48,325 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 10:59:48,326 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 10:59:48,328 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 10:59:48,328 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 10:59:48,332 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 10:59:48,333 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:59:48" (1/1) ... [2019-08-14 10:59:48,336 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4828d45e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:48, skipping insertion in model container [2019-08-14 10:59:48,336 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 10:59:48" (1/1) ... [2019-08-14 10:59:48,344 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 10:59:48,401 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 10:59:48,901 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:59:48,914 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 10:59:49,133 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 10:59:49,153 INFO L192 MainTranslator]: Completed translation [2019-08-14 10:59:49,154 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49 WrapperNode [2019-08-14 10:59:49,154 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 10:59:49,155 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 10:59:49,155 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 10:59:49,155 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 10:59:49,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (1/1) ... [2019-08-14 10:59:49,166 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (1/1) ... [2019-08-14 10:59:49,184 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (1/1) ... [2019-08-14 10:59:49,184 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (1/1) ... [2019-08-14 10:59:49,226 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (1/1) ... [2019-08-14 10:59:49,242 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (1/1) ... [2019-08-14 10:59:49,248 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (1/1) ... [2019-08-14 10:59:49,257 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 10:59:49,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 10:59:49,258 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 10:59:49,258 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 10:59:49,259 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 10:59:49" (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 10:59:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 10:59:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 10:59:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 10:59:49,331 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 10:59:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 10:59:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 10:59:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 10:59:49,333 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 10:59:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 10:59:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 10:59:49,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 10:59:50,643 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 10:59:50,643 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 10:59:50,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:59:50 BoogieIcfgContainer [2019-08-14 10:59:50,645 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 10:59:50,645 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 10:59:50,646 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 10:59:50,646 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 10:59:50,647 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 10:59:50" (1/1) ... [2019-08-14 10:59:52,346 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 10:59:52,349 INFO L168 Benchmark]: Toolchain (without parser) took 4021.38 ms. Allocated memory was 139.5 MB in the beginning and 340.8 MB in the end (delta: 201.3 MB). Free memory was 84.7 MB in the beginning and 298.2 MB in the end (delta: -213.5 MB). Peak memory consumption was 134.7 MB. Max. memory is 7.1 GB. [2019-08-14 10:59:52,351 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 10:59:52,353 INFO L168 Benchmark]: CACSL2BoogieTranslator took 827.16 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 84.5 MB in the beginning and 169.0 MB in the end (delta: -84.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. [2019-08-14 10:59:52,354 INFO L168 Benchmark]: Boogie Preprocessor took 102.05 ms. Allocated memory is still 203.4 MB. Free memory was 169.0 MB in the beginning and 164.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2019-08-14 10:59:52,356 INFO L168 Benchmark]: RCFGBuilder took 1387.57 ms. Allocated memory was 203.4 MB in the beginning and 227.0 MB in the end (delta: 23.6 MB). Free memory was 164.2 MB in the beginning and 181.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. [2019-08-14 10:59:52,358 INFO L168 Benchmark]: Symbolic Interpretation took 1700.71 ms. Allocated memory was 227.0 MB in the beginning and 340.8 MB in the end (delta: 113.8 MB). Free memory was 181.7 MB in the beginning and 298.2 MB in the end (delta: -116.5 MB). Peak memory consumption was 144.1 MB. Max. memory is 7.1 GB. [2019-08-14 10:59:52,368 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 524]: 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 28878#(and (= 1 ~a7~0) (not (= ~a20~0 1)) (= ~a16~0 4) (= ~a12~0 8) (= ~a17~0 1) (= ~a21~0 1) (= 14 ~a8~0)). 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 139.5 MB. Free memory was 104.3 MB in the beginning and 104.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 827.16 ms. Allocated memory was 139.5 MB in the beginning and 203.4 MB in the end (delta: 64.0 MB). Free memory was 84.5 MB in the beginning and 169.0 MB in the end (delta: -84.4 MB). Peak memory consumption was 33.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.05 ms. Allocated memory is still 203.4 MB. Free memory was 169.0 MB in the beginning and 164.2 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1387.57 ms. Allocated memory was 203.4 MB in the beginning and 227.0 MB in the end (delta: 23.6 MB). Free memory was 164.2 MB in the beginning and 181.7 MB in the end (delta: -17.5 MB). Peak memory consumption was 92.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1700.71 ms. Allocated memory was 227.0 MB in the beginning and 340.8 MB in the end (delta: 113.8 MB). Free memory was 181.7 MB in the beginning and 298.2 MB in the end (delta: -116.5 MB). Peak memory consumption was 144.1 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...