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/gcnr2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:13:00,795 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:13:00,798 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:13:00,816 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:13:00,817 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:13:00,819 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:13:00,821 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:13:00,834 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:13:00,837 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:13:00,838 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:13:00,840 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:13:00,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:13:00,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:13:00,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:13:00,847 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:13:00,848 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:13:00,849 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:13:00,852 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:13:00,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:13:00,858 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:13:00,862 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:13:00,863 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:13:00,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:13:00,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:13:00,867 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:13:00,868 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:13:00,868 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:13:00,870 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:13:00,871 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:13:00,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:13:00,873 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:13:00,874 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:13:00,875 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:13:00,876 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:13:00,878 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:13:00,878 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:13:00,879 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:13:00,879 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:13:00,879 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:13:00,881 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:13:00,882 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:13:00,883 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 16:13:00,900 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:13:00,901 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:13:00,901 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:13:00,901 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:13:00,902 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:13:00,902 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:13:00,902 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:13:00,902 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:13:00,903 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:13:00,903 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:13:00,903 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:13:00,904 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:13:00,904 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:13:00,904 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:13:00,904 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:13:00,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:13:00,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:13:00,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:13:00,905 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:13:00,905 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:13:00,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:13:00,906 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:13:00,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:13:00,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:13:00,906 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:13:00,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:13:00,907 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:13:00,907 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:13:00,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:13:00,907 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:13:00,936 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:13:00,950 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:13:00,954 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:13:00,955 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:13:00,956 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:13:00,956 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-11 16:13:01,032 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055ee1c28/e597af9771c642458fdb65fd6e93402d/FLAG30d926c37 [2019-09-11 16:13:01,455 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:01,456 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gcnr2008.i [2019-09-11 16:13:01,464 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055ee1c28/e597af9771c642458fdb65fd6e93402d/FLAG30d926c37 [2019-09-11 16:13:01,816 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/055ee1c28/e597af9771c642458fdb65fd6e93402d [2019-09-11 16:13:01,825 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:01,827 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:01,828 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:01,828 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:01,832 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:01,833 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:01" (1/1) ... [2019-09-11 16:13:01,836 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4cc01419 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:01, skipping insertion in model container [2019-09-11 16:13:01,836 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:01" (1/1) ... [2019-09-11 16:13:01,844 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:01,860 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:02,013 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:02,018 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:02,038 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:02,054 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:02,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02 WrapperNode [2019-09-11 16:13:02,055 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:02,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:02,056 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:02,056 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:02,166 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,167 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,173 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,173 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,187 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,192 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,193 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,194 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:02,195 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:02,195 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:02,195 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:02,196 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:02" (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 16:13:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:02,256 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-11 16:13:02,257 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:02,257 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:13:02,260 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:13:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:02,261 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:02,470 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:02,470 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:13:02,472 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:02 BoogieIcfgContainer [2019-09-11 16:13:02,472 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:02,473 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:02,473 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:02,473 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:02,474 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:02" (1/1) ... [2019-09-11 16:13:02,506 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:03,083 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:13:03,110 INFO L272 AbstractInterpreter]: Visited 30 different actions 305 times. Merged at 15 different actions 132 times. Widened at 1 different actions 5 times. Performed 611 root evaluator evaluations with a maximum evaluation depth of 6. Performed 611 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 51 fixpoints after 6 different actions. Largest state had 8 variables. [2019-09-11 16:13:03,111 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:03,114 INFO L168 Benchmark]: Toolchain (without parser) took 1285.65 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 90.0 MB in the beginning and 136.9 MB in the end (delta: -47.0 MB). Peak memory consumption was 13.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:03,115 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:13:03,117 INFO L168 Benchmark]: CACSL2BoogieTranslator took 227.13 ms. Allocated memory is still 143.1 MB. Free memory was 89.8 MB in the beginning and 80.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:03,118 INFO L168 Benchmark]: Boogie Preprocessor took 139.15 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 80.4 MB in the beginning and 181.2 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:03,119 INFO L168 Benchmark]: RCFGBuilder took 277.20 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 169.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:03,121 INFO L168 Benchmark]: Abstract Interpretation took 638.09 ms. Allocated memory is still 203.4 MB. Free memory was 169.0 MB in the beginning and 136.9 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:03,127 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 143.1 MB. Free memory was 108.2 MB in the beginning and 108.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 227.13 ms. Allocated memory is still 143.1 MB. Free memory was 89.8 MB in the beginning and 80.4 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 139.15 ms. Allocated memory was 143.1 MB in the beginning and 203.4 MB in the end (delta: 60.3 MB). Free memory was 80.4 MB in the beginning and 181.2 MB in the end (delta: -100.7 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.20 ms. Allocated memory is still 203.4 MB. Free memory was 181.2 MB in the beginning and 169.0 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 638.09 ms. Allocated memory is still 203.4 MB. Free memory was 169.0 MB in the beginning and 136.9 MB in the end (delta: 32.1 MB). Peak memory consumption was 32.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L11] int x,y,z,w; [L12] EXPR w = 0 [L12] EXPR z = w = 0 [L12] EXPR y = z = w = 0 [L12] x = y = z = w = 0 [L13] COND FALSE !(__VERIFIER_nondet_int() && y < 10000) [L28] CALL __VERIFIER_assert(x >= 4 && y <= 2) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...