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_label07.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:03:09,590 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:03:09,592 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:03:09,604 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:03:09,605 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:03:09,606 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:03:09,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:03:09,609 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:03:09,611 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:03:09,612 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:03:09,613 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:03:09,614 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:03:09,614 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:03:09,615 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:03:09,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:03:09,617 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:03:09,618 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:03:09,619 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:03:09,621 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:03:09,623 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:03:09,624 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:03:09,625 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:03:09,626 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:03:09,627 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:03:09,629 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:03:09,632 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:03:09,633 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:03:09,634 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:03:09,635 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:03:09,636 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:03:09,636 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:03:09,636 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:03:09,637 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:03:09,637 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:03:09,638 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:03:09,638 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:03:09,639 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 11:03:09,656 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:03:09,657 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:03:09,659 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:03:09,659 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:03:09,659 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:03:09,660 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:03:09,660 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:03:09,660 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:03:09,660 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:03:09,660 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:03:09,661 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:03:09,661 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:03:09,661 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:03:09,661 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:03:09,661 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:03:09,662 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:03:09,662 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:03:09,662 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:03:09,662 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:03:09,662 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:03:09,663 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:03:09,663 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:03:09,663 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:03:09,664 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:03:09,665 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:03:09,665 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:03:09,665 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:03:09,665 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:03:09,665 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:03:09,719 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:03:09,732 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:03:09,735 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:03:09,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:03:09,737 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:03:09,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label07.c [2019-08-14 11:03:09,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79491d8ab/39d4e24884ab4975adc244f6a1fd8392/FLAG25719bcab [2019-08-14 11:03:10,429 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:03:10,431 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label07.c [2019-08-14 11:03:10,451 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79491d8ab/39d4e24884ab4975adc244f6a1fd8392/FLAG25719bcab [2019-08-14 11:03:10,636 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/79491d8ab/39d4e24884ab4975adc244f6a1fd8392 [2019-08-14 11:03:10,648 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:03:10,651 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:03:10,652 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:10,652 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:03:10,656 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:03:10,657 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:10" (1/1) ... [2019-08-14 11:03:10,659 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a7dcff6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:10, skipping insertion in model container [2019-08-14 11:03:10,660 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:10" (1/1) ... [2019-08-14 11:03:10,667 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:03:10,745 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:03:11,575 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:11,584 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:03:11,943 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:11,973 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:03:11,974 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11 WrapperNode [2019-08-14 11:03:11,974 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:11,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:03:11,976 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:03:11,976 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:03:11,990 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (1/1) ... [2019-08-14 11:03:11,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (1/1) ... [2019-08-14 11:03:12,028 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (1/1) ... [2019-08-14 11:03:12,029 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (1/1) ... [2019-08-14 11:03:12,095 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (1/1) ... [2019-08-14 11:03:12,126 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (1/1) ... [2019-08-14 11:03:12,154 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (1/1) ... [2019-08-14 11:03:12,166 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:03:12,167 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:03:12,167 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:03:12,168 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:03:12,169 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:11" (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 11:03:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:03:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:03:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:03:12,244 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:03:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:03:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:03:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:03:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:03:12,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:03:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:03:12,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:03:14,347 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:03:14,347 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:03:14,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:14 BoogieIcfgContainer [2019-08-14 11:03:14,352 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:03:14,353 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:03:14,354 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:03:14,354 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:03:14,355 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:14" (1/1) ... [2019-08-14 11:03:18,298 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:03:18,301 INFO L168 Benchmark]: Toolchain (without parser) took 7650.51 ms. Allocated memory was 137.4 MB in the beginning and 459.8 MB in the end (delta: 322.4 MB). Free memory was 80.0 MB in the beginning and 370.4 MB in the end (delta: -290.4 MB). Peak memory consumption was 351.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:18,302 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:03:18,304 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1322.94 ms. Allocated memory was 137.4 MB in the beginning and 219.2 MB in the end (delta: 81.8 MB). Free memory was 79.8 MB in the beginning and 167.1 MB in the end (delta: -87.4 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:18,304 INFO L168 Benchmark]: Boogie Preprocessor took 191.56 ms. Allocated memory is still 219.2 MB. Free memory was 167.1 MB in the beginning and 155.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:18,306 INFO L168 Benchmark]: RCFGBuilder took 2185.35 ms. Allocated memory was 219.2 MB in the beginning and 282.6 MB in the end (delta: 63.4 MB). Free memory was 155.1 MB in the beginning and 80.7 MB in the end (delta: 74.4 MB). Peak memory consumption was 137.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:18,307 INFO L168 Benchmark]: Symbolic Interpretation took 3945.52 ms. Allocated memory was 282.6 MB in the beginning and 459.8 MB in the end (delta: 177.2 MB). Free memory was 80.7 MB in the beginning and 370.4 MB in the end (delta: -289.7 MB). Peak memory consumption was 206.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:03:18,311 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1551]: 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 61667#(and (= ~a18~0 1) (= 1 ~a5~0) (= ~a27~0 1) (= ~a12~0 1) (= 0 ~a3~0) (not (= 1 ~a6~0)) (= ~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 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1322.94 ms. Allocated memory was 137.4 MB in the beginning and 219.2 MB in the end (delta: 81.8 MB). Free memory was 79.8 MB in the beginning and 167.1 MB in the end (delta: -87.4 MB). Peak memory consumption was 39.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 191.56 ms. Allocated memory is still 219.2 MB. Free memory was 167.1 MB in the beginning and 155.1 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2185.35 ms. Allocated memory was 219.2 MB in the beginning and 282.6 MB in the end (delta: 63.4 MB). Free memory was 155.1 MB in the beginning and 80.7 MB in the end (delta: 74.4 MB). Peak memory consumption was 137.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3945.52 ms. Allocated memory was 282.6 MB in the beginning and 459.8 MB in the end (delta: 177.2 MB). Free memory was 80.7 MB in the beginning and 370.4 MB in the end (delta: -289.7 MB). Peak memory consumption was 206.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...