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_label19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:48:52,497 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:48:52,499 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:48:52,513 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:48:52,513 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:48:52,515 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:48:52,517 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:48:52,519 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:48:52,523 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:48:52,524 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:48:52,525 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:48:52,530 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:48:52,531 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:48:52,533 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:48:52,536 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:48:52,538 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:48:52,540 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:48:52,541 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:48:52,545 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:48:52,547 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:48:52,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:48:52,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:48:52,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:48:52,556 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:48:52,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-08-14 11:48:52,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-08-14 11:48:52,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-08-14 11:48:52,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-08-14 11:48:52,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-08-14 11:48:52,562 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-08-14 11:48:52,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:48:52,564 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:48:52,565 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:48:52,566 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:48:52,568 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:48:52,569 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:48:52,570 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:48:52,570 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:48:52,570 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:48:52,573 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:48:52,574 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:48:52,574 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 11:48:52,595 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:48:52,595 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:48:52,597 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:48:52,598 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:48:52,598 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:48:52,598 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:48:52,598 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:48:52,598 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:48:52,599 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:48:52,599 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:48:52,600 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:48:52,600 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:48:52,600 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:48:52,601 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:48:52,601 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:48:52,601 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:48:52,601 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:48:52,602 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:48:52,602 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:48:52,602 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:48:52,602 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:48:52,602 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:48:52,603 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:48:52,603 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:48:52,603 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:48:52,603 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:48:52,603 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:48:52,604 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:48:52,604 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:48:52,648 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:48:52,663 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:48:52,667 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:48:52,668 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:48:52,668 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:48:52,669 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2019-08-14 11:48:52,742 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71070a7c4/3945015960334634a742b69136fca431/FLAGce1a32cd5 [2019-08-14 11:48:53,234 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:48:53,235 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem10_label19.c [2019-08-14 11:48:53,250 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71070a7c4/3945015960334634a742b69136fca431/FLAGce1a32cd5 [2019-08-14 11:48:53,487 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/71070a7c4/3945015960334634a742b69136fca431 [2019-08-14 11:48:53,497 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:48:53,498 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:48:53,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:53,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:48:53,503 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:48:53,504 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:53" (1/1) ... [2019-08-14 11:48:53,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a5bf889 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:53, skipping insertion in model container [2019-08-14 11:48:53,507 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:48:53" (1/1) ... [2019-08-14 11:48:53,514 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:48:53,582 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:48:54,025 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:54,032 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:48:54,257 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:48:54,283 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:48:54,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54 WrapperNode [2019-08-14 11:48:54,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:48:54,284 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:48:54,284 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:48:54,284 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:48:54,295 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (1/1) ... [2019-08-14 11:48:54,295 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (1/1) ... [2019-08-14 11:48:54,313 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (1/1) ... [2019-08-14 11:48:54,314 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (1/1) ... [2019-08-14 11:48:54,358 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (1/1) ... [2019-08-14 11:48:54,381 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (1/1) ... [2019-08-14 11:48:54,387 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (1/1) ... [2019-08-14 11:48:54,396 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:48:54,397 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:48:54,397 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:48:54,397 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:48:54,398 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:48:54" (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 11:48:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:48:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:48:54,480 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:48:54,481 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:48:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:48:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:48:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:48:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:48:54,482 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:48:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:48:54,483 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:48:55,996 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:48:55,996 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:48:55,998 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:55 BoogieIcfgContainer [2019-08-14 11:48:55,998 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:48:55,999 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:48:55,999 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:48:55,999 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:48:56,000 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:48:55" (1/1) ... [2019-08-14 11:49:16,734 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:49:16,737 INFO L168 Benchmark]: Toolchain (without parser) took 23237.81 ms. Allocated memory was 132.1 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 87.1 MB in the beginning and 42.2 MB in the end (delta: 44.8 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-14 11:49:16,738 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:49:16,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 784.72 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 86.9 MB in the beginning and 167.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:16,741 INFO L168 Benchmark]: Boogie Preprocessor took 112.20 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:16,742 INFO L168 Benchmark]: RCFGBuilder took 1601.53 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 162.7 MB in the beginning and 181.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. [2019-08-14 11:49:16,743 INFO L168 Benchmark]: Symbolic Interpretation took 20735.81 ms. Allocated memory was 225.4 MB in the beginning and 1.2 GB in the end (delta: 996.7 MB). Free memory was 181.6 MB in the beginning and 42.2 MB in the end (delta: 139.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. [2019-08-14 11:49:16,747 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 91]: 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 157181#(and (= 14 ~a4~0) (= ~a10~0 0) (= ~a12~0 0) (= ~a19~0 7) (<= (+ ~a1~0 13) 0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 784.72 ms. Allocated memory was 132.1 MB in the beginning and 202.4 MB in the end (delta: 70.3 MB). Free memory was 86.9 MB in the beginning and 167.5 MB in the end (delta: -80.6 MB). Peak memory consumption was 38.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.20 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: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1601.53 ms. Allocated memory was 202.4 MB in the beginning and 225.4 MB in the end (delta: 23.1 MB). Free memory was 162.7 MB in the beginning and 181.6 MB in the end (delta: -18.9 MB). Peak memory consumption was 92.5 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 20735.81 ms. Allocated memory was 225.4 MB in the beginning and 1.2 GB in the end (delta: 996.7 MB). Free memory was 181.6 MB in the beginning and 42.2 MB in the end (delta: 139.3 MB). Peak memory consumption was 1.2 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...