java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AbstractInterpretationC.xml -s ../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf -i ../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:13:14,854 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:13:14,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:13:14,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:13:14,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:13:14,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:13:14,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:13:14,872 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:13:14,873 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:13:14,874 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:13:14,875 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:13:14,876 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:13:14,877 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:13:14,878 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:13:14,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:13:14,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:13:14,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:13:14,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:13:14,883 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:13:14,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:13:14,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:13:14,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:13:14,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:13:14,889 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:13:14,891 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:13:14,899 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:13:14,900 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:13:14,900 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:13:14,901 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/svcomp-Reach-32bit-Automizer_Default+AIv2_INT.epf [2019-09-11 16:13:14,916 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:13:14,916 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:13:14,917 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:13:14,917 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:13:14,918 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:13:14,918 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:13:14,918 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:13:14,918 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:13:14,918 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:13:14,919 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:13:14,919 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:13:14,920 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:13:14,920 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:13:14,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:13:14,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:13:14,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:13:14,921 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:13:14,921 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:13:14,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:13:14,921 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:13:14,921 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:13:14,922 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:13:14,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:13:14,922 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:13:14,922 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:13:14,923 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:13:14,923 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:13:14,923 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:13:14,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:13:14,923 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:13:14,952 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:13:14,969 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:13:14,972 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:13:14,974 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:13:14,974 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:13:14,975 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-09-11 16:13:15,039 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fe0c8fa/0b5b624a77bb469282e84f1e9a9f9233/FLAG0ebe58ba4 [2019-09-11 16:13:15,477 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:15,478 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/jm2006.c.i.v+cfa-reducer.c [2019-09-11 16:13:15,490 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fe0c8fa/0b5b624a77bb469282e84f1e9a9f9233/FLAG0ebe58ba4 [2019-09-11 16:13:15,853 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/05fe0c8fa/0b5b624a77bb469282e84f1e9a9f9233 [2019-09-11 16:13:15,862 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:15,864 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:15,865 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:15,865 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:15,868 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:15,869 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:15" (1/1) ... [2019-09-11 16:13:15,873 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78ce9679 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:15, skipping insertion in model container [2019-09-11 16:13:15,873 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:15" (1/1) ... [2019-09-11 16:13:15,881 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:15,899 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:16,072 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:16,081 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:16,102 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:16,114 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:16,114 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16 WrapperNode [2019-09-11 16:13:16,115 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:16,115 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:16,115 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:16,115 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:16,125 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,234 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,236 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,237 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,239 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:16,239 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:16,239 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:16,240 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:16,240 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:16" (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 [2019-09-11 16:13:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:16,302 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:13:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:13:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:16,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:16,506 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:16,507 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:13:16,508 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:16 BoogieIcfgContainer [2019-09-11 16:13:16,508 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:16,509 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:16,509 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:16,509 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:16,510 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:16" (1/1) ... [2019-09-11 16:13:16,534 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:16,746 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:13:16,780 INFO L272 AbstractInterpreter]: Visited 21 different actions 57 times. Merged at 8 different actions 24 times. Widened at 1 different actions 2 times. Performed 189 root evaluator evaluations with a maximum evaluation depth of 4. Performed 189 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 12 fixpoints after 4 different actions. Largest state had 15 variables. [2019-09-11 16:13:16,781 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:16,784 INFO L168 Benchmark]: Toolchain (without parser) took 918.77 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 91.5 MB in the beginning and 159.8 MB in the end (delta: -68.3 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:13:16,785 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:13:16,786 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.23 ms. Allocated memory is still 142.6 MB. Free memory was 91.1 MB in the beginning and 81.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:16,787 INFO L168 Benchmark]: Boogie Preprocessor took 123.72 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 81.2 MB in the beginning and 181.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:16,788 INFO L168 Benchmark]: RCFGBuilder took 269.27 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 169.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:16,789 INFO L168 Benchmark]: Abstract Interpretation took 271.88 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 159.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:16,794 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 142.6 MB. Free memory is still 109.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.23 ms. Allocated memory is still 142.6 MB. Free memory was 91.1 MB in the beginning and 81.2 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.72 ms. Allocated memory was 142.6 MB in the beginning and 203.4 MB in the end (delta: 60.8 MB). Free memory was 81.2 MB in the beginning and 181.8 MB in the end (delta: -100.6 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 269.27 ms. Allocated memory is still 203.4 MB. Free memory was 181.8 MB in the beginning and 169.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 271.88 ms. Allocated memory is still 203.4 MB. Free memory was 169.8 MB in the beginning and 159.8 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 48]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: abstract domain could reach this error location. Possible FailurePath: [L1] int __return_main; [L7] int __return_72; [L10] int main__i; [L11] int main__j; [L12] main__i = __VERIFIER_nondet_int() [L13] main__j = __VERIFIER_nondet_int() [L14] COND FALSE !(!(main__i >= 0)) [L20] COND FALSE !(!(main__j >= 0)) [L26] int main__x = main__i; [L27] int main__y = main__j; [L29] COND FALSE !(main__x != 0) [L39] COND TRUE main__i == main__j [L42] int __tmp_1; [L43] __tmp_1 = main__y == 0 [L44] int __VERIFIER_assert__cond; [L45] __VERIFIER_assert__cond = __tmp_1 [L46] COND TRUE __VERIFIER_assert__cond == 0 [L48] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...