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/Problem01_label14.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-09 16:47:57,052 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-09 16:47:57,055 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-09 16:47:57,068 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-09 16:47:57,069 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-09 16:47:57,070 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-09 16:47:57,071 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-09 16:47:57,073 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-09 16:47:57,075 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-09 16:47:57,075 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-09 16:47:57,077 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-09 16:47:57,078 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-09 16:47:57,078 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-09 16:47:57,079 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-09 16:47:57,080 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-09 16:47:57,081 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-09 16:47:57,082 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-09 16:47:57,083 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-09 16:47:57,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-09 16:47:57,087 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-09 16:47:57,089 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-09 16:47:57,090 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-09 16:47:57,091 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-09 16:47:57,092 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-09 16:47:57,095 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-09 16:47:57,098 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-09 16:47:57,099 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-09 16:47:57,099 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-09 16:47:57,100 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-09 16:47:57,101 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-09 16:47:57,102 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-09 16:47:57,102 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-09 16:47:57,103 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-09 16:47:57,103 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-09 16:47:57,104 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-09 16:47:57,104 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-09 16:47:57,105 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 16:47:57,120 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-09 16:47:57,121 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-09 16:47:57,122 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-09 16:47:57,122 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-09 16:47:57,122 INFO L138 SettingsManager]: * Use SBE=true [2019-08-09 16:47:57,122 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-09 16:47:57,123 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-09 16:47:57,123 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-09 16:47:57,123 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-09 16:47:57,123 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-09 16:47:57,123 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-09 16:47:57,124 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-09 16:47:57,124 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-09 16:47:57,124 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-09 16:47:57,124 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-09 16:47:57,124 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-09 16:47:57,125 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-09 16:47:57,125 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-09 16:47:57,125 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-09 16:47:57,125 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-09 16:47:57,125 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-09 16:47:57,126 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-09 16:47:57,126 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-09 16:47:57,126 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-09 16:47:57,126 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-09 16:47:57,127 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-09 16:47:57,127 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-09 16:47:57,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-09 16:47:57,127 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-09 16:47:57,156 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-09 16:47:57,173 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-09 16:47:57,177 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-09 16:47:57,179 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-09 16:47:57,179 INFO L275 PluginConnector]: CDTParser initialized [2019-08-09 16:47:57,180 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/eca-rers2012/Problem01_label14.c [2019-08-09 16:47:57,260 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa51f94a/f3b8dc6b26a34832ba4f499f3ec9ca34/FLAG4787be125 [2019-08-09 16:47:57,885 INFO L306 CDTParser]: Found 1 translation units. [2019-08-09 16:47:57,888 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/eca-rers2012/Problem01_label14.c [2019-08-09 16:47:57,905 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa51f94a/f3b8dc6b26a34832ba4f499f3ec9ca34/FLAG4787be125 [2019-08-09 16:47:58,116 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9aa51f94a/f3b8dc6b26a34832ba4f499f3ec9ca34 [2019-08-09 16:47:58,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-09 16:47:58,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-09 16:47:58,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:58,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-09 16:47:58,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-09 16:47:58,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:58,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6308d2fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58, skipping insertion in model container [2019-08-09 16:47:58,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:58,148 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-09 16:47:58,192 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-09 16:47:58,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:58,648 INFO L188 MainTranslator]: Completed pre-run [2019-08-09 16:47:58,898 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-09 16:47:58,923 INFO L192 MainTranslator]: Completed translation [2019-08-09 16:47:58,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58 WrapperNode [2019-08-09 16:47:58,924 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-09 16:47:58,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-09 16:47:58,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-09 16:47:58,925 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-09 16:47:58,935 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:58,935 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:58,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:58,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:58,999 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:59,029 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:59,043 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (1/1) ... [2019-08-09 16:47:59,058 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-09 16:47:59,061 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-09 16:47:59,061 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-09 16:47:59,061 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-09 16:47:59,065 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.08 04:47:58" (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 16:47:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-09 16:47:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-09 16:47:59,142 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2019-08-09 16:47:59,143 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-09 16:47:59,143 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2019-08-09 16:47:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-09 16:47:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-09 16:47:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2019-08-09 16:47:59,144 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-09 16:47:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-09 16:47:59,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-09 16:48:00,409 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-09 16:48:00,410 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-09 16:48:00,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:00 BoogieIcfgContainer [2019-08-09 16:48:00,411 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-09 16:48:00,412 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-09 16:48:00,412 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-09 16:48:00,412 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-09 16:48:00,413 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.08 04:48:00" (1/1) ... [2019-08-09 16:48:02,785 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-09 16:48:02,794 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-09 16:48:02,797 INFO L168 Benchmark]: Toolchain (without parser) took 4667.04 ms. Allocated memory was 130.5 MB in the beginning and 369.1 MB in the end (delta: 238.6 MB). Free memory was 85.3 MB in the beginning and 147.2 MB in the end (delta: -62.0 MB). Peak memory consumption was 176.6 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:02,798 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-09 16:48:02,799 INFO L168 Benchmark]: CACSL2BoogieTranslator took 793.67 ms. Allocated memory was 130.5 MB in the beginning and 202.4 MB in the end (delta: 71.8 MB). Free memory was 84.8 MB in the beginning and 166.9 MB in the end (delta: -82.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:02,800 INFO L168 Benchmark]: Boogie Preprocessor took 135.78 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 161.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:02,801 INFO L168 Benchmark]: RCFGBuilder took 1350.76 ms. Allocated memory was 202.4 MB in the beginning and 221.2 MB in the end (delta: 18.9 MB). Free memory was 161.8 MB in the beginning and 178.6 MB in the end (delta: -16.8 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:02,803 INFO L168 Benchmark]: Symbolic Interpretation took 2381.93 ms. Allocated memory was 221.2 MB in the beginning and 369.1 MB in the end (delta: 147.8 MB). Free memory was 178.6 MB in the beginning and 147.2 MB in the end (delta: 31.4 MB). Peak memory consumption was 179.2 MB. Max. memory is 7.1 GB. [2019-08-09 16:48:02,807 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 569]: 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 47382#(and (= 1 ~a7~0) (= ~a16~0 4) (= ~a12~0 8) (= ~a20~0 1) (= ~a21~0 1) (not (= ~a17~0 1)) (= 14 ~a8~0)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 130.5 MB. Free memory was 104.7 MB in the beginning and 104.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 793.67 ms. Allocated memory was 130.5 MB in the beginning and 202.4 MB in the end (delta: 71.8 MB). Free memory was 84.8 MB in the beginning and 166.9 MB in the end (delta: -82.0 MB). Peak memory consumption was 37.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.78 ms. Allocated memory is still 202.4 MB. Free memory was 166.9 MB in the beginning and 161.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1350.76 ms. Allocated memory was 202.4 MB in the beginning and 221.2 MB in the end (delta: 18.9 MB). Free memory was 161.8 MB in the beginning and 178.6 MB in the end (delta: -16.8 MB). Peak memory consumption was 95.9 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 2381.93 ms. Allocated memory was 221.2 MB in the beginning and 369.1 MB in the end (delta: 147.8 MB). Free memory was 178.6 MB in the beginning and 147.2 MB in the end (delta: 31.4 MB). Peak memory consumption was 179.2 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...