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 0.1.24-2989841 [2019-08-09 16:51:59,790 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:51:59,792 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:51:59,803 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:51:59,803 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:51:59,804 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:51:59,805 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:51:59,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:51:59,809 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:51:59,810 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:51:59,811 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:51:59,812 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:51:59,812 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:51:59,813 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:51:59,814 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:51:59,815 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:51:59,816 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:51:59,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:51:59,818 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:51:59,820 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:51:59,822 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:51:59,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:51:59,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:51:59,825 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:51:59,827 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:51:59,830 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:51:59,831 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:51:59,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:51:59,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:51:59,834 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:51:59,834 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:51:59,835 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:51:59,835 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:51:59,835 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:51:59,836 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:51:59,837 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:51:59,837 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 [2019-08-09 16:51:59,852 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:51:59,852 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:51:59,853 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:51:59,854 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:51:59,854 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:51:59,854 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:51:59,854 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:51:59,855 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:51:59,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:51:59,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:51:59,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:51:59,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:51:59,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:51:59,856 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:51:59,856 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:51:59,856 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:51:59,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:51:59,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:51:59,857 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:51:59,857 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:51:59,857 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:51:59,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:51:59,858 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:51:59,858 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:51:59,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:51:59,858 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:51:59,858 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:51:59,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:51:59,859 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:51:59,895 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:51:59,909 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:51:59,912 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:51:59,914 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:51:59,914 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:51:59,915 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem03_label07.c [2019-08-09 16:51:59,973 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f1389cf/1fb3e8d38ea249f2b28a8feaa46f7d00/FLAG93152f236 [2019-08-09 16:52:00,574 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:52:00,576 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem03_label07.c [2019-08-09 16:52:00,598 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f1389cf/1fb3e8d38ea249f2b28a8feaa46f7d00/FLAG93152f236 [2019-08-09 16:52:00,800 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/84f1389cf/1fb3e8d38ea249f2b28a8feaa46f7d00 [2019-08-09 16:52:00,810 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:52:00,811 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:52:00,812 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:00,812 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:52:00,815 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:52:00,816 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,819 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6bd1c13b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:00, skipping insertion in model container [2019-08-09 16:52:00,819 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:52:00" (1/1) ... [2019-08-09 16:52:00,826 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:52:00,906 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:52:01,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:01,645 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:52:01,987 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:52:02,017 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:52:02,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02 WrapperNode [2019-08-09 16:52:02,018 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:52:02,019 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:52:02,019 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:52:02,020 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:52:02,036 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (1/1) ... [2019-08-09 16:52:02,037 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (1/1) ... [2019-08-09 16:52:02,090 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (1/1) ... [2019-08-09 16:52:02,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (1/1) ... [2019-08-09 16:52:02,160 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (1/1) ... [2019-08-09 16:52:02,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (1/1) ... [2019-08-09 16:52:02,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (1/1) ... [2019-08-09 16:52:02,226 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:52:02,227 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:52:02,227 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:52:02,227 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:52:02,228 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:52:02" (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 [2019-08-09 16:52:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:52:02,298 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:52:02,299 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:52:02,299 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:52:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:52:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:52:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:52:02,300 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:52:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:52:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:52:02,301 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:52:04,311 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:52:04,312 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:52:04,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:04 BoogieIcfgContainer [2019-08-09 16:52:04,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:52:04,314 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:52:04,314 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:52:04,314 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:52:04,315 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:52:04" (1/1) ... [2019-08-09 16:52:08,053 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:52:08,061 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:52:08,064 INFO L168 Benchmark]: Toolchain (without parser) took 7251.98 ms. Allocated memory was 133.2 MB in the beginning and 454.6 MB in the end (delta: 321.4 MB). Free memory was 83.9 MB in the beginning and 385.8 MB in the end (delta: -301.9 MB). Peak memory consumption was 351.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:08,065 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-09 16:52:08,066 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1206.87 ms. Allocated memory was 133.2 MB in the beginning and 222.3 MB in the end (delta: 89.1 MB). Free memory was 83.5 MB in the beginning and 168.8 MB in the end (delta: -85.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:08,067 INFO L168 Benchmark]: Boogie Preprocessor took 206.70 ms. Allocated memory is still 222.3 MB. Free memory was 168.8 MB in the beginning and 157.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:08,068 INFO L168 Benchmark]: RCFGBuilder took 2086.70 ms. Allocated memory was 222.3 MB in the beginning and 275.8 MB in the end (delta: 53.5 MB). Free memory was 157.3 MB in the beginning and 76.5 MB in the end (delta: 80.8 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:08,069 INFO L168 Benchmark]: Symbolic Interpretation took 3747.50 ms. Allocated memory was 275.8 MB in the beginning and 454.6 MB in the end (delta: 178.8 MB). Free memory was 76.5 MB in the beginning and 385.8 MB in the end (delta: -309.3 MB). Peak memory consumption was 201.7 MB. Max. memory is 7.1 GB. [2019-08-09 16:52:08,073 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: Interpreter reached this location of interest. Location might be reachable. Predicate is 61676#(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 0.21 ms. Allocated memory is still 133.2 MB. Free memory is still 106.9 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 1206.87 ms. Allocated memory was 133.2 MB in the beginning and 222.3 MB in the end (delta: 89.1 MB). Free memory was 83.5 MB in the beginning and 168.8 MB in the end (delta: -85.4 MB). Peak memory consumption was 40.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 206.70 ms. Allocated memory is still 222.3 MB. Free memory was 168.8 MB in the beginning and 157.3 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2086.70 ms. Allocated memory was 222.3 MB in the beginning and 275.8 MB in the end (delta: 53.5 MB). Free memory was 157.3 MB in the beginning and 76.5 MB in the end (delta: 80.8 MB). Peak memory consumption was 134.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 3747.50 ms. Allocated memory was 275.8 MB in the beginning and 454.6 MB in the end (delta: 178.8 MB). Free memory was 76.5 MB in the beginning and 385.8 MB in the end (delta: -309.3 MB). Peak memory consumption was 201.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...