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-fea9116 [2019-09-20 13:47:45,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:45,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:45,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:45,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:45,576 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:45,577 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:45,579 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:45,581 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:45,582 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:45,583 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:45,584 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:45,584 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:45,585 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:45,586 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:45,587 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:45,588 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:45,589 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:45,591 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:45,593 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:45,595 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:45,596 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:45,597 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:45,598 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:45,600 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:45,611 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 [2019-09-20 13:47:45,626 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:45,626 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:45,627 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:45,627 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:45,628 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:45,628 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:45,628 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:45,628 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:45,629 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:45,629 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:45,629 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:45,630 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:45,630 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:45,630 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:45,630 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:45,631 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:45,631 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:45,631 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:45,631 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:45,631 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:45,632 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:45,632 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:45,632 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:45,632 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:45,632 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:45,633 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:45,633 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:45,633 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:45,633 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:45,633 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:45,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:45,676 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:45,679 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:45,681 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:45,681 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:45,682 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.i [2019-09-20 13:47:45,743 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f1b9cc2/69e1da8a00fa4b1fa73238cfb3d3b6cf/FLAG925409db2 [2019-09-20 13:47:46,201 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:46,202 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.i [2019-09-20 13:47:46,209 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f1b9cc2/69e1da8a00fa4b1fa73238cfb3d3b6cf/FLAG925409db2 [2019-09-20 13:47:46,592 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/14f1b9cc2/69e1da8a00fa4b1fa73238cfb3d3b6cf [2019-09-20 13:47:46,603 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:46,604 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:46,605 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:46,606 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:46,610 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:46,611 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:46,614 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a059fc3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46, skipping insertion in model container [2019-09-20 13:47:46,614 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:46,622 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:46,641 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:46,858 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:46,862 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:46,876 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:46,888 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:46,889 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46 WrapperNode [2019-09-20 13:47:46,889 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:46,890 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:46,890 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:46,890 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:46,983 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:46,984 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:46,989 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:46,990 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:46,995 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:47,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:47,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (1/1) ... [2019-09-20 13:47:47,003 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:47,003 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:47,003 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:47,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:47,004 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:46" (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 [2019-09-20 13:47:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:47,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:47,071 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:47,071 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:47,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:47,248 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:47,249 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-20 13:47:47,250 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:47 BoogieIcfgContainer [2019-09-20 13:47:47,250 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:47,259 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:47,260 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:47,260 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:47,261 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:47" (1/1) ... [2019-09-20 13:47:47,313 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:47,576 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:47,597 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. [2019-09-20 13:47:47,597 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:47,601 INFO L168 Benchmark]: Toolchain (without parser) took 995.23 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 88.7 MB in the beginning and 154.1 MB in the end (delta: -65.4 MB). Peak memory consumption was 1.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:47,602 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:47,603 INFO L168 Benchmark]: CACSL2BoogieTranslator took 283.88 ms. Allocated memory is still 133.2 MB. Free memory was 88.5 MB in the beginning and 79.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:47,604 INFO L168 Benchmark]: Boogie Preprocessor took 113.35 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.2 MB in the beginning and 176.7 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:47,605 INFO L168 Benchmark]: RCFGBuilder took 247.34 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 165.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:47,606 INFO L168 Benchmark]: Abstract Interpretation took 338.15 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 154.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:47,610 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 133.2 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 283.88 ms. Allocated memory is still 133.2 MB. Free memory was 88.5 MB in the beginning and 79.2 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.35 ms. Allocated memory was 133.2 MB in the beginning and 199.8 MB in the end (delta: 66.6 MB). Free memory was 79.2 MB in the beginning and 176.7 MB in the end (delta: -97.5 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 247.34 ms. Allocated memory is still 199.8 MB. Free memory was 176.7 MB in the beginning and 165.0 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 338.15 ms. Allocated memory is still 199.8 MB. Free memory was 164.4 MB in the beginning and 154.1 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 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...