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/gsv2008.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:50,641 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:50,643 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:50,656 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:26:50,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:50,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:50,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:50,673 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:50,674 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:50,675 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:50,678 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:50,684 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:50,688 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:50,689 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:50,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:50,694 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:50,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:50,718 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 [2019-09-03 21:26:50,743 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:50,743 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:50,743 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:50,744 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:50,744 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:50,745 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:50,745 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:50,745 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:50,745 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:50,745 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:50,746 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:50,746 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:50,746 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:50,747 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:50,747 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:50,747 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:50,747 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:50,747 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:50,748 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:50,748 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:50,749 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:50,749 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:50,750 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:50,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:50,750 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:50,751 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:50,751 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:50,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:50,751 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:50,751 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:50,803 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:50,816 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:50,821 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:50,822 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:50,823 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:50,824 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.i [2019-09-03 21:26:50,891 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b836eb5/8a562d9476024322be358b3625049702/FLAG45d918ad2 [2019-09-03 21:26:51,343 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:51,344 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.i [2019-09-03 21:26:51,350 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b836eb5/8a562d9476024322be358b3625049702/FLAG45d918ad2 [2019-09-03 21:26:51,766 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a5b836eb5/8a562d9476024322be358b3625049702 [2019-09-03 21:26:51,777 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:51,778 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:51,779 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:51,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:51,782 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:51,783 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:51" (1/1) ... [2019-09-03 21:26:51,786 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50d0a3d6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:51, skipping insertion in model container [2019-09-03 21:26:51,786 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:51" (1/1) ... [2019-09-03 21:26:51,794 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:51,809 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:51,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:51,986 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:52,009 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:52,026 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:52,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52 WrapperNode [2019-09-03 21:26:52,028 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:52,028 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:52,029 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:52,029 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:52,126 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,131 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,135 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,139 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,140 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,141 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:52,141 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:52,142 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:52,142 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:52,142 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:52" (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 [2019-09-03 21:26:52,191 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:52,192 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:26:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:26:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:52,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:52,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:52,344 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:52,344 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:52,346 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:52 BoogieIcfgContainer [2019-09-03 21:26:52,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:52,347 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:52,347 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:52,347 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:52,348 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:52" (1/1) ... [2019-09-03 21:26:52,376 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:52,644 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:52,661 INFO L272 AbstractInterpreter]: Visited 22 different actions 97 times. Merged at 5 different actions 28 times. Widened at 1 different actions 3 times. Performed 121 root evaluator evaluations with a maximum evaluation depth of 6. Performed 121 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7 fixpoints after 2 different actions. Largest state had 5 variables. [2019-09-03 21:26:52,662 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:52,666 INFO L168 Benchmark]: Toolchain (without parser) took 885.93 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 87.8 MB in the beginning and 154.1 MB in the end (delta: -66.3 MB). Peak memory consumption was 809.5 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:52,667 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:52,668 INFO L168 Benchmark]: CACSL2BoogieTranslator took 249.31 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:52,670 INFO L168 Benchmark]: Boogie Preprocessor took 112.74 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 78.5 MB in the beginning and 175.8 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:52,671 INFO L168 Benchmark]: RCFGBuilder took 204.50 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 164.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:52,672 INFO L168 Benchmark]: Abstract Interpretation took 315.83 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 154.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:52,678 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 249.31 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 78.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.74 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 78.5 MB in the beginning and 175.8 MB in the end (delta: -97.3 MB). Peak memory consumption was 15.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 204.50 ms. Allocated memory is still 199.2 MB. Free memory was 175.8 MB in the beginning and 164.3 MB in the end (delta: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 315.83 ms. Allocated memory is still 199.2 MB. Free memory was 164.3 MB in the beginning and 154.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 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; [L12] x = -50 [L13] y = __VERIFIER_nondet_int() [L14] COND FALSE !(!(-1000 < y && y < 1000000)) [L15] COND TRUE x < 0 [L16] x = x + y [L17] y++ [L15] COND FALSE !(x < 0) [L19] CALL __VERIFIER_assert(y > 0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...