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 0.1.24-55cd5f5 [2019-08-14 20:43:00,119 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:43:00,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:43:00,132 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:43:00,132 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:43:00,133 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:43:00,135 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:43:00,136 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:43:00,138 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:43:00,139 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:43:00,140 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:43:00,141 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:43:00,141 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:43:00,142 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:43:00,143 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:43:00,144 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:43:00,145 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:43:00,146 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:43:00,148 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:43:00,150 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:43:00,151 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:43:00,152 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:43:00,153 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:43:00,154 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:43:00,156 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:43:00,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:43:00,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:43:00,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:43:00,162 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:43:00,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:43:00,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:43:00,163 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:43:00,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:43:00,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:43:00,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:43:00,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:43:00,169 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 [2019-08-14 20:43:00,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:43:00,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:43:00,197 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:43:00,197 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:43:00,197 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:43:00,198 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:43:00,198 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:43:00,198 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:43:00,198 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:43:00,198 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:43:00,199 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:43:00,200 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:43:00,200 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:43:00,200 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:43:00,200 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:43:00,201 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:43:00,201 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:43:00,201 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:43:00,201 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:43:00,202 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:43:00,202 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:43:00,202 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:43:00,203 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:43:00,203 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:43:00,203 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:43:00,203 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:43:00,203 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:43:00,204 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:43:00,204 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:43:00,247 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:43:00,265 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:43:00,268 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:43:00,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:43:00,270 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:43:00,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-08-14 20:43:00,341 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7486448c/2ed8ace7a5e645a1be59d6c48bd54cd5/FLAG0f2a0227c [2019-08-14 20:43:00,761 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:43:00,762 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gj2007.c.i.p+lhb-reducer.c [2019-08-14 20:43:00,770 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7486448c/2ed8ace7a5e645a1be59d6c48bd54cd5/FLAG0f2a0227c [2019-08-14 20:43:01,114 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d7486448c/2ed8ace7a5e645a1be59d6c48bd54cd5 [2019-08-14 20:43:01,127 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:43:01,129 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:43:01,131 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:43:01,131 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:43:01,135 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:43:01,136 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,139 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@341c0981 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01, skipping insertion in model container [2019-08-14 20:43:01,139 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,147 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:43:01,186 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:43:01,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:43:01,448 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:43:01,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:43:01,490 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:43:01,491 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01 WrapperNode [2019-08-14 20:43:01,491 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:43:01,492 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:43:01,492 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:43:01,492 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:43:01,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,593 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,599 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,599 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,604 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,609 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,613 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:01,619 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:43:01,619 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:43:01,620 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:43:01,620 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:43:01,621 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:43:01" (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 [2019-08-14 20:43:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:43:01,683 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:43:01,684 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:43:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:43:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-08-14 20:43:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-14 20:43:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:43:01,684 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:43:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:43:01,685 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:43:01,986 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:43:01,987 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:43:01,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:43:01 BoogieIcfgContainer [2019-08-14 20:43:01,991 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:43:01,991 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:43:01,991 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:43:01,991 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:43:01,992 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:43:01" (1/1) ... [2019-08-14 20:43:02,210 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:43:02,213 INFO L168 Benchmark]: Toolchain (without parser) took 1083.61 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 85.4 MB in the beginning and 147.5 MB in the end (delta: -62.1 MB). Peak memory consumption was 5.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:02,214 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 130.5 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-08-14 20:43:02,215 INFO L168 Benchmark]: CACSL2BoogieTranslator took 360.82 ms. Allocated memory is still 130.5 MB. Free memory was 85.0 MB in the beginning and 74.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:02,216 INFO L168 Benchmark]: Boogie Preprocessor took 127.00 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 74.6 MB in the beginning and 174.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:02,217 INFO L168 Benchmark]: RCFGBuilder took 371.31 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 157.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:02,218 INFO L168 Benchmark]: Symbolic Interpretation took 219.56 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 147.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:43:02,222 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 94#(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 0.46 ms. Allocated memory is still 130.5 MB. Free memory is still 103.2 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 360.82 ms. Allocated memory is still 130.5 MB. Free memory was 85.0 MB in the beginning and 74.6 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 127.00 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 74.6 MB in the beginning and 174.0 MB in the end (delta: -99.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 371.31 ms. Allocated memory is still 198.2 MB. Free memory was 174.0 MB in the beginning and 157.8 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 219.56 ms. Allocated memory is still 198.2 MB. Free memory was 157.8 MB in the beginning and 147.5 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...