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/gj2007.c.i.p+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:21:51,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:21:51,127 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:21:51,140 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:21:51,140 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:21:51,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:21:51,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:21:51,145 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:21:51,149 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:21:51,150 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:21:51,151 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:21:51,152 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:21:51,152 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:21:51,153 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:21:51,154 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:21:51,160 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:21:51,162 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:21:51,163 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:21:51,164 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:21:51,170 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:21:51,171 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:21:51,172 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:21:51,175 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:21:51,176 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:21:51,178 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:21:51,184 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:21:51,186 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:21:51,187 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:21:51,188 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:21:51,190 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:21:51,190 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:21:51,192 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:21:51,192 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:21:51,192 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:21:51,196 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:21:51,197 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:21:51,198 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 [2019-08-18 07:21:51,219 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:21:51,219 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:21:51,220 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:21:51,220 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:21:51,221 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:21:51,221 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:21:51,221 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:21:51,221 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:21:51,221 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:21:51,222 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:21:51,222 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:21:51,222 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:21:51,222 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:21:51,223 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:21:51,223 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:21:51,223 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:21:51,223 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:21:51,223 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:21:51,224 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:21:51,224 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:21:51,224 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:21:51,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:21:51,225 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:21:51,225 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:21:51,225 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:21:51,225 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:21:51,225 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:21:51,226 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:21:51,226 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:21:51,254 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:21:51,272 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:21:51,275 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:21:51,277 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:21:51,277 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:21:51,278 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-08-18 07:21:51,338 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8ea5f2c/e223514665f5479697af18d451cb7c43/FLAGd6c966d4b [2019-08-18 07:21:51,790 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:21:51,791 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-08-18 07:21:51,799 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8ea5f2c/e223514665f5479697af18d451cb7c43/FLAGd6c966d4b [2019-08-18 07:21:52,173 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac8ea5f2c/e223514665f5479697af18d451cb7c43 [2019-08-18 07:21:52,182 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:21:52,183 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:21:52,184 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:21:52,184 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:21:52,189 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:21:52,190 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,193 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@123eb405 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52, skipping insertion in model container [2019-08-18 07:21:52,193 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,201 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:21:52,228 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:21:52,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:21:52,414 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:21:52,449 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:21:52,555 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:21:52,556 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52 WrapperNode [2019-08-18 07:21:52,556 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:21:52,557 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:21:52,557 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:21:52,557 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:21:52,573 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,574 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,579 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,592 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,596 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:21:52,600 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:21:52,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:21:52,600 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:21:52,601 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:21:52" (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 [2019-08-18 07:21:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:21:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:21:52,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:21:52,654 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:21:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-18 07:21:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:21:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-18 07:21:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:21:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:21:52,655 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:21:52,971 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:21:52,971 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-18 07:21:52,973 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:21:52 BoogieIcfgContainer [2019-08-18 07:21:52,973 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:21:52,973 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:21:52,974 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:21:52,974 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:21:52,975 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:21:52" (1/1) ... [2019-08-18 07:21:52,988 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:21:52,995 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:21:53,006 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:21:53,013 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:21:53,014 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:21:53,075 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 8 [2019-08-18 07:21:53,421 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:21:53,421 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:21:53,425 INFO L179 IcfgInterpreter]: Location mainErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 83#(and (= main_~__VERIFIER_assert__cond~0 0) (not (< main_~main__x~0 100)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= (ite (= 100 main_~main__y~0) 1 0) main_~__tmp_1~0)) [2019-08-18 07:21:53,438 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:21:53,439 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:21:53,443 INFO L168 Benchmark]: Toolchain (without parser) took 1257.80 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.6 MB in the beginning and 119.9 MB in the end (delta: -31.3 MB). Peak memory consumption was 28.5 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:53,444 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:21:53,446 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.88 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.4 MB in the beginning and 179.3 MB in the end (delta: -90.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:53,447 INFO L168 Benchmark]: Boogie Preprocessor took 43.20 ms. Allocated memory is still 200.8 MB. Free memory was 179.3 MB in the beginning and 177.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:53,449 INFO L168 Benchmark]: RCFGBuilder took 372.89 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 161.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:53,450 INFO L168 Benchmark]: Symbolic Interpretation took 465.86 ms. Allocated memory is still 200.8 MB. Free memory was 161.0 MB in the beginning and 119.9 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. [2019-08-18 07:21:53,460 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 91]: 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 83#(and (= main_~__VERIFIER_assert__cond~0 0) (not (< main_~main__x~0 100)) (= main_~__tmp_1~0 main_~__VERIFIER_assert__cond~0) (= (ite (= 100 main_~main__y~0) 1 0) main_~__tmp_1~0)). 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 141.0 MB. Free memory was 107.1 MB in the beginning and 106.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 371.88 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 88.4 MB in the beginning and 179.3 MB in the end (delta: -90.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.20 ms. Allocated memory is still 200.8 MB. Free memory was 179.3 MB in the beginning and 177.2 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 372.89 ms. Allocated memory is still 200.8 MB. Free memory was 177.2 MB in the beginning and 161.0 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 465.86 ms. Allocated memory is still 200.8 MB. Free memory was 161.0 MB in the beginning and 119.9 MB in the end (delta: 41.0 MB). Peak memory consumption was 41.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...