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_label54.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:04:34,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:04:34,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:04:34,647 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:04:34,647 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:04:34,649 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:04:34,650 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:04:34,652 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:04:34,653 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:04:34,654 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:04:34,655 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:04:34,656 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:04:34,656 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:04:34,657 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:04:34,658 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:04:34,659 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:04:34,660 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:04:34,661 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:04:34,663 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:04:34,665 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:04:34,666 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:04:34,667 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:04:34,668 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:04:34,669 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:04:34,671 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:04:34,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:04:34,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:04:34,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:04:34,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:04:34,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:04:34,677 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:04:34,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:04:34,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:04:34,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:04:34,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:04:34,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:04:34,680 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 11:04:34,694 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:04:34,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:04:34,696 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:04:34,696 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:04:34,696 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:04:34,696 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:04:34,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:04:34,697 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:04:34,697 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:04:34,697 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:04:34,697 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:04:34,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:04:34,698 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:04:34,698 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:04:34,698 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:04:34,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:04:34,699 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:04:34,699 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:04:34,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:04:34,699 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:04:34,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:04:34,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:04:34,700 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:04:34,700 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:04:34,700 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:04:34,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:04:34,701 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:04:34,701 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:04:34,701 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:04:34,728 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:04:34,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:04:34,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:04:34,745 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:04:34,745 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:04:34,746 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label54.c [2019-08-14 11:04:34,805 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6bd64910/2bae8f471b024df7a8507826d7da6f91/FLAG643371b5e [2019-08-14 11:04:35,409 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:04:35,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label54.c [2019-08-14 11:04:35,429 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6bd64910/2bae8f471b024df7a8507826d7da6f91/FLAG643371b5e [2019-08-14 11:04:35,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b6bd64910/2bae8f471b024df7a8507826d7da6f91 [2019-08-14 11:04:35,622 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:04:35,624 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:04:35,625 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:35,625 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:04:35,628 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:04:35,629 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:35" (1/1) ... [2019-08-14 11:04:35,632 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3576431f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:35, skipping insertion in model container [2019-08-14 11:04:35,632 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:04:35" (1/1) ... [2019-08-14 11:04:35,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:04:35,724 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:04:36,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:36,569 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:04:37,045 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:04:37,076 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:04:37,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37 WrapperNode [2019-08-14 11:04:37,078 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:04:37,079 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:04:37,079 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:04:37,079 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:04:37,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (1/1) ... [2019-08-14 11:04:37,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (1/1) ... [2019-08-14 11:04:37,147 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (1/1) ... [2019-08-14 11:04:37,150 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (1/1) ... [2019-08-14 11:04:37,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (1/1) ... [2019-08-14 11:04:37,224 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (1/1) ... [2019-08-14 11:04:37,239 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (1/1) ... [2019-08-14 11:04:37,256 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:04:37,257 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:04:37,257 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:04:37,257 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:04:37,258 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:04:37" (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 11:04:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:04:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:04:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:04:37,322 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:04:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:04:37,323 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:04:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:04:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:04:37,324 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:04:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:04:37,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:04:39,382 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:04:39,383 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:04:39,384 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:39 BoogieIcfgContainer [2019-08-14 11:04:39,384 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:04:39,385 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:04:39,385 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:04:39,385 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:04:39,386 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:04:39" (1/1) ... [2019-08-14 11:04:42,699 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:04:42,702 INFO L168 Benchmark]: Toolchain (without parser) took 7077.76 ms. Allocated memory was 140.5 MB in the beginning and 451.9 MB in the end (delta: 311.4 MB). Free memory was 82.5 MB in the beginning and 352.5 MB in the end (delta: -269.9 MB). Peak memory consumption was 335.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:42,704 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:04:42,705 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1453.49 ms. Allocated memory was 140.5 MB in the beginning and 230.7 MB in the end (delta: 90.2 MB). Free memory was 82.3 MB in the beginning and 171.6 MB in the end (delta: -89.3 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:42,706 INFO L168 Benchmark]: Boogie Preprocessor took 177.99 ms. Allocated memory is still 230.7 MB. Free memory was 171.6 MB in the beginning and 160.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:42,707 INFO L168 Benchmark]: RCFGBuilder took 2127.37 ms. Allocated memory was 230.7 MB in the beginning and 284.7 MB in the end (delta: 54.0 MB). Free memory was 160.3 MB in the beginning and 240.7 MB in the end (delta: -80.4 MB). Peak memory consumption was 137.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:42,708 INFO L168 Benchmark]: Symbolic Interpretation took 3315.01 ms. Allocated memory was 284.7 MB in the beginning and 451.9 MB in the end (delta: 167.2 MB). Free memory was 240.7 MB in the beginning and 352.5 MB in the end (delta: -111.8 MB). Peak memory consumption was 349.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:42,712 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1533]: 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 63305#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= 1 ~a3~0) (= 1 ~a6~0) (not (= ~a27~0 1)) (not (= ~a12~0 1)) (not (= ~a11~0 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 140.5 MB. Free memory was 106.5 MB in the beginning and 106.3 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1453.49 ms. Allocated memory was 140.5 MB in the beginning and 230.7 MB in the end (delta: 90.2 MB). Free memory was 82.3 MB in the beginning and 171.6 MB in the end (delta: -89.3 MB). Peak memory consumption was 38.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 177.99 ms. Allocated memory is still 230.7 MB. Free memory was 171.6 MB in the beginning and 160.3 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2127.37 ms. Allocated memory was 230.7 MB in the beginning and 284.7 MB in the end (delta: 54.0 MB). Free memory was 160.3 MB in the beginning and 240.7 MB in the end (delta: -80.4 MB). Peak memory consumption was 137.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3315.01 ms. Allocated memory was 284.7 MB in the beginning and 451.9 MB in the end (delta: 167.2 MB). Free memory was 240.7 MB in the beginning and 352.5 MB in the end (delta: -111.8 MB). Peak memory consumption was 349.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...