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/loop-lit/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:26:16,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:26:16,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:26:16,142 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:26:16,142 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:26:16,144 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:26:16,145 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:26:16,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:26:16,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:26:16,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:26:16,159 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:26:16,162 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:26:16,163 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:26:16,163 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:26:16,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:26:16,169 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:26:16,170 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:26:16,171 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:26:16,174 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:26:16,176 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:26:16,179 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:26:16,181 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:26:16,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:26:16,184 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:26:16,187 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:26:16,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:26:16,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:26:16,203 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:26:16,204 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 [2019-08-10 02:26:16,218 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:26:16,218 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:26:16,219 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:26:16,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:26:16,220 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:26:16,220 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:26:16,220 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:26:16,220 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:26:16,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:26:16,221 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:26:16,221 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:26:16,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:26:16,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:26:16,222 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:26:16,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:26:16,222 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:26:16,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:26:16,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:26:16,223 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:26:16,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:26:16,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:26:16,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:26:16,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:26:16,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:26:16,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:26:16,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:26:16,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:26:16,225 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:26:16,225 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:26:16,271 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:26:16,284 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:26:16,287 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:26:16,289 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:26:16,289 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:26:16,290 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-08-10 02:26:16,359 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a362b61/7ccb0560402b427cb87fd55cadae973d/FLAG0c8f64c15 [2019-08-10 02:26:16,833 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:26:16,834 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-08-10 02:26:16,841 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a362b61/7ccb0560402b427cb87fd55cadae973d/FLAG0c8f64c15 [2019-08-10 02:26:17,216 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/32a362b61/7ccb0560402b427cb87fd55cadae973d [2019-08-10 02:26:17,230 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:26:17,231 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:26:17,232 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:17,233 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:26:17,236 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:26:17,237 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,240 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b8f74f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17, skipping insertion in model container [2019-08-10 02:26:17,240 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,247 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:26:17,264 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:26:17,445 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:17,450 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:26:17,467 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:26:17,479 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:26:17,480 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17 WrapperNode [2019-08-10 02:26:17,480 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:26:17,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:26:17,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:26:17,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:26:17,578 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,579 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,584 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,586 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,590 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,593 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:17,594 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:26:17,595 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:26:17,595 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:26:17,595 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:26:17,596 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:26:17" (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 [2019-08-10 02:26:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:26:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:26:17,641 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:26:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:26:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-10 02:26:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-10 02:26:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:26:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:26:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:26:17,642 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:26:17,853 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:26:17,853 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 02:26:17,854 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:17 BoogieIcfgContainer [2019-08-10 02:26:17,855 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:26:17,855 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:26:17,855 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:26:17,856 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:26:17,857 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:26:17" (1/1) ... [2019-08-10 02:26:18,068 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:26:18,075 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:26:18,078 INFO L168 Benchmark]: Toolchain (without parser) took 845.71 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 86.6 MB in the beginning and 155.6 MB in the end (delta: -69.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-10 02:26:18,079 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:26:18,080 INFO L168 Benchmark]: CACSL2BoogieTranslator took 248.16 ms. Allocated memory is still 138.4 MB. Free memory was 86.3 MB in the beginning and 76.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:18,081 INFO L168 Benchmark]: Boogie Preprocessor took 113.53 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 76.7 MB in the beginning and 174.7 MB in the end (delta: -97.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:18,082 INFO L168 Benchmark]: RCFGBuilder took 260.07 ms. Allocated memory is still 197.1 MB. Free memory was 174.7 MB in the beginning and 163.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:18,083 INFO L168 Benchmark]: Symbolic Interpretation took 220.31 ms. Allocated memory is still 197.1 MB. Free memory was 163.2 MB in the beginning and 155.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:26:18,087 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 52]: 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 37#(and (= main_~__tmp_1~0 (ite (< 0 main_~main__y~0) 1 0)) (= main_~__VERIFIER_assert__cond~0 0) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= ~__tmp_55_0~0 main_~main____CPAchecker_TMP_0~0) (not (< main_~main__x~0 0))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 104.6 MB in the beginning and 104.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 248.16 ms. Allocated memory is still 138.4 MB. Free memory was 86.3 MB in the beginning and 76.7 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.53 ms. Allocated memory was 138.4 MB in the beginning and 197.1 MB in the end (delta: 58.7 MB). Free memory was 76.7 MB in the beginning and 174.7 MB in the end (delta: -97.9 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 260.07 ms. Allocated memory is still 197.1 MB. Free memory was 174.7 MB in the beginning and 163.2 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 220.31 ms. Allocated memory is still 197.1 MB. Free memory was 163.2 MB in the beginning and 155.6 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...