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_label28.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 11:03:52,630 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 11:03:52,631 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 11:03:52,643 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 11:03:52,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 11:03:52,644 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 11:03:52,645 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 11:03:52,647 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 11:03:52,649 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 11:03:52,650 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 11:03:52,651 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 11:03:52,652 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 11:03:52,652 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 11:03:52,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 11:03:52,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 11:03:52,655 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 11:03:52,656 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 11:03:52,657 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 11:03:52,658 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 11:03:52,661 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 11:03:52,662 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 11:03:52,663 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 11:03:52,664 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 11:03:52,665 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 11:03:52,667 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 11:03:52,673 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 11:03:52,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 11:03:52,674 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 11:03:52,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 11:03:52,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 11:03:52,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 11:03:52,677 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 11:03:52,677 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 11:03:52,678 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 11:03:52,678 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 11:03:52,679 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 11:03:52,680 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 11:03:52,693 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 11:03:52,694 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 11:03:52,695 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 11:03:52,695 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 11:03:52,695 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 11:03:52,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 11:03:52,696 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 11:03:52,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 11:03:52,696 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 11:03:52,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 11:03:52,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 11:03:52,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 11:03:52,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 11:03:52,697 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 11:03:52,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 11:03:52,698 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 11:03:52,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 11:03:52,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 11:03:52,698 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 11:03:52,698 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 11:03:52,699 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 11:03:52,699 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 11:03:52,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 11:03:52,699 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 11:03:52,699 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 11:03:52,700 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 11:03:52,700 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 11:03:52,700 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 11:03:52,700 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 11:03:52,727 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 11:03:52,739 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 11:03:52,742 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 11:03:52,743 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 11:03:52,744 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 11:03:52,745 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label28.c [2019-08-14 11:03:52,802 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63ea64376/3f879914b1d94125b8eba6be6f901bc7/FLAGe36182430 [2019-08-14 11:03:53,364 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 11:03:53,365 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label28.c [2019-08-14 11:03:53,380 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63ea64376/3f879914b1d94125b8eba6be6f901bc7/FLAGe36182430 [2019-08-14 11:03:53,540 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/63ea64376/3f879914b1d94125b8eba6be6f901bc7 [2019-08-14 11:03:53,551 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 11:03:53,553 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 11:03:53,554 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:53,554 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 11:03:53,557 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 11:03:53,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:53" (1/1) ... [2019-08-14 11:03:53,561 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c61d339 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:53, skipping insertion in model container [2019-08-14 11:03:53,562 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 11:03:53" (1/1) ... [2019-08-14 11:03:53,569 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 11:03:53,680 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 11:03:54,399 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:54,535 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 11:03:54,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 11:03:54,808 INFO L192 MainTranslator]: Completed translation [2019-08-14 11:03:54,808 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54 WrapperNode [2019-08-14 11:03:54,808 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 11:03:54,809 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 11:03:54,809 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 11:03:54,809 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 11:03:54,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,853 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,853 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,921 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,947 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (1/1) ... [2019-08-14 11:03:54,958 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 11:03:54,959 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 11:03:54,959 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 11:03:54,959 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 11:03:54,960 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 11:03:54" (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 11:03:55,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 11:03:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 11:03:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-14 11:03:55,018 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 11:03:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-14 11:03:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 11:03:55,018 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 11:03:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-14 11:03:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 11:03:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 11:03:55,019 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 11:03:56,974 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 11:03:56,974 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 11:03:56,975 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:56 BoogieIcfgContainer [2019-08-14 11:03:56,976 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 11:03:56,976 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 11:03:56,976 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 11:03:56,977 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 11:03:56,978 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 11:03:56" (1/1) ... [2019-08-14 11:04:00,277 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 11:04:00,281 INFO L168 Benchmark]: Toolchain (without parser) took 6726.47 ms. Allocated memory was 141.0 MB in the beginning and 413.1 MB in the end (delta: 272.1 MB). Free memory was 82.5 MB in the beginning and 255.1 MB in the end (delta: -172.6 MB). Peak memory consumption was 284.2 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:00,282 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 11:04:00,284 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1255.18 ms. Allocated memory was 141.0 MB in the beginning and 227.5 MB in the end (delta: 86.5 MB). Free memory was 82.3 MB in the beginning and 175.7 MB in the end (delta: -93.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:00,284 INFO L168 Benchmark]: Boogie Preprocessor took 149.39 ms. Allocated memory is still 227.5 MB. Free memory was 175.7 MB in the beginning and 163.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:00,286 INFO L168 Benchmark]: RCFGBuilder took 2016.99 ms. Allocated memory was 227.5 MB in the beginning and 267.9 MB in the end (delta: 40.4 MB). Free memory was 163.8 MB in the beginning and 220.5 MB in the end (delta: -56.7 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:00,287 INFO L168 Benchmark]: Symbolic Interpretation took 3300.94 ms. Allocated memory was 267.9 MB in the beginning and 413.1 MB in the end (delta: 145.2 MB). Free memory was 220.5 MB in the beginning and 255.1 MB in the end (delta: -34.6 MB). Peak memory consumption was 295.4 MB. Max. memory is 7.1 GB. [2019-08-14 11:04:00,292 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 1491]: 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 59904#(and (not (= ~a26~0 1)) (= ~a18~0 1) (= 1 ~a5~0) (= ~a27~0 1) (= 0 ~a3~0) (not (= ~a12~0 1)) (not (= 1 ~a6~0)) (not (= ~a11~0 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 141.0 MB. Free memory was 107.0 MB in the beginning and 106.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1255.18 ms. Allocated memory was 141.0 MB in the beginning and 227.5 MB in the end (delta: 86.5 MB). Free memory was 82.3 MB in the beginning and 175.7 MB in the end (delta: -93.4 MB). Peak memory consumption was 37.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 149.39 ms. Allocated memory is still 227.5 MB. Free memory was 175.7 MB in the beginning and 163.8 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2016.99 ms. Allocated memory was 227.5 MB in the beginning and 267.9 MB in the end (delta: 40.4 MB). Free memory was 163.8 MB in the beginning and 220.5 MB in the end (delta: -56.7 MB). Peak memory consumption was 123.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3300.94 ms. Allocated memory was 267.9 MB in the beginning and 413.1 MB in the end (delta: 145.2 MB). Free memory was 220.5 MB in the beginning and 255.1 MB in the end (delta: -34.6 MB). Peak memory consumption was 295.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...