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/Problem18_label17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 23:49:42,649 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 23:49:42,651 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 23:49:42,663 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 23:49:42,663 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 23:49:42,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 23:49:42,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 23:49:42,667 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 23:49:42,669 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 23:49:42,670 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 23:49:42,671 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 23:49:42,672 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 23:49:42,672 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 23:49:42,673 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 23:49:42,674 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 23:49:42,675 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 23:49:42,676 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 23:49:42,677 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 23:49:42,679 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 23:49:42,681 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 23:49:42,682 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 23:49:42,683 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 23:49:42,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 23:49:42,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 23:49:42,692 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 23:49:42,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 23:49:42,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 23:49:42,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 23:49:42,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 23:49:42,702 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 23:49:42,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 23:49:42,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 23:49:42,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 23:49:42,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 23:49:42,707 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 23:49:42,708 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 23:49:42,710 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 23:49:42,735 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 23:49:42,735 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 23:49:42,739 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 23:49:42,740 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 23:49:42,740 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 23:49:42,740 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 23:49:42,740 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 23:49:42,740 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 23:49:42,740 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 23:49:42,741 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 23:49:42,741 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 23:49:42,741 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 23:49:42,741 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 23:49:42,741 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 23:49:42,742 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 23:49:42,742 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 23:49:42,742 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 23:49:42,742 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 23:49:42,742 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 23:49:42,743 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 23:49:42,743 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 23:49:42,743 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 23:49:42,743 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 23:49:42,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 23:49:42,744 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 23:49:42,744 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 23:49:42,744 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 23:49:42,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 23:49:42,745 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 23:49:42,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 23:49:42,786 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 23:49:42,790 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 23:49:42,791 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 23:49:42,791 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 23:49:42,792 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem18_label17.c [2019-08-09 23:49:42,852 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b980d57a/7e4544682ffb4508bb14e54b957cd0da/FLAG8a79d3e82 [2019-08-09 23:49:43,548 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 23:49:43,550 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem18_label17.c [2019-08-09 23:49:43,578 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b980d57a/7e4544682ffb4508bb14e54b957cd0da/FLAG8a79d3e82 [2019-08-09 23:49:43,695 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2b980d57a/7e4544682ffb4508bb14e54b957cd0da [2019-08-09 23:49:43,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 23:49:43,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 23:49:43,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 23:49:43,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 23:49:43,714 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 23:49:43,715 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:49:43" (1/1) ... [2019-08-09 23:49:43,718 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5eeaba0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:43, skipping insertion in model container [2019-08-09 23:49:43,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 11:49:43" (1/1) ... [2019-08-09 23:49:43,727 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 23:49:43,851 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 23:49:45,324 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:49:45,332 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 23:49:45,789 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 23:49:45,820 INFO L192 MainTranslator]: Completed translation [2019-08-09 23:49:45,820 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45 WrapperNode [2019-08-09 23:49:45,820 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 23:49:45,821 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 23:49:45,821 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 23:49:45,822 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 23:49:45,835 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (1/1) ... [2019-08-09 23:49:45,835 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (1/1) ... [2019-08-09 23:49:45,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (1/1) ... [2019-08-09 23:49:45,901 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (1/1) ... [2019-08-09 23:49:46,034 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (1/1) ... [2019-08-09 23:49:46,089 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (1/1) ... [2019-08-09 23:49:46,124 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (1/1) ... [2019-08-09 23:49:46,159 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 23:49:46,160 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 23:49:46,160 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 23:49:46,160 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 23:49:46,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 11:49:45" (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 23:49:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 23:49:46,233 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 23:49:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 23:49:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2019-08-09 23:49:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output3 [2019-08-09 23:49:46,234 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 23:49:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 23:49:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2019-08-09 23:49:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output3 [2019-08-09 23:49:46,235 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 23:49:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 23:49:46,236 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 23:49:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 23:49:46,237 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 23:49:46,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 23:49:50,458 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 23:49:50,459 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 23:49:50,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:49:50 BoogieIcfgContainer [2019-08-09 23:49:50,461 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 23:49:50,462 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 23:49:50,462 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 23:49:50,462 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 23:49:50,464 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 11:49:50" (1/1) ... [2019-08-09 23:50:30,482 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 23:50:30,490 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 23:50:30,493 INFO L168 Benchmark]: Toolchain (without parser) took 46783.05 ms. Allocated memory was 131.1 MB in the beginning and 2.2 GB in the end (delta: 2.1 GB). Free memory was 77.1 MB in the beginning and 1.9 GB in the end (delta: -1.8 GB). Peak memory consumption was 2.0 GB. Max. memory is 7.1 GB. [2019-08-09 23:50:30,494 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 23:50:30,495 INFO L168 Benchmark]: CACSL2BoogieTranslator took 2110.65 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 76.9 MB in the beginning and 104.9 MB in the end (delta: -28.0 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. [2019-08-09 23:50:30,496 INFO L168 Benchmark]: Boogie Preprocessor took 338.13 ms. Allocated memory is still 219.2 MB. Free memory was 104.9 MB in the beginning and 84.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. [2019-08-09 23:50:30,497 INFO L168 Benchmark]: RCFGBuilder took 4301.85 ms. Allocated memory was 219.2 MB in the beginning and 379.1 MB in the end (delta: 159.9 MB). Free memory was 84.0 MB in the beginning and 186.2 MB in the end (delta: -102.3 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. [2019-08-09 23:50:30,498 INFO L168 Benchmark]: Symbolic Interpretation took 40028.33 ms. Allocated memory was 379.1 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 186.2 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. [2019-08-09 23:50:30,502 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 102]: 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 980604#(and (= ~a15~0 4) (< 417 ~a3~0) (= ~a18~0 11) (= ~a24~0 0)). 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 131.1 MB. Free memory was 105.2 MB in the beginning and 105.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 2110.65 ms. Allocated memory was 131.1 MB in the beginning and 219.2 MB in the end (delta: 88.1 MB). Free memory was 76.9 MB in the beginning and 104.9 MB in the end (delta: -28.0 MB). Peak memory consumption was 66.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 338.13 ms. Allocated memory is still 219.2 MB. Free memory was 104.9 MB in the beginning and 84.0 MB in the end (delta: 20.9 MB). Peak memory consumption was 20.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 4301.85 ms. Allocated memory was 219.2 MB in the beginning and 379.1 MB in the end (delta: 159.9 MB). Free memory was 84.0 MB in the beginning and 186.2 MB in the end (delta: -102.3 MB). Peak memory consumption was 89.0 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 40028.33 ms. Allocated memory was 379.1 MB in the beginning and 2.2 GB in the end (delta: 1.9 GB). Free memory was 186.2 MB in the beginning and 1.9 GB in the end (delta: -1.7 GB). Peak memory consumption was 1.9 GB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...