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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:19,540 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:19,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:19,554 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:19,555 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:19,556 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:19,557 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:19,559 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:19,561 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:19,562 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:19,563 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:19,564 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:19,564 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:19,565 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:19,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:19,569 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:19,571 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:19,574 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:19,576 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:19,579 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:19,583 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:19,585 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:19,586 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:19,588 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:19,590 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:19,604 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:19,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:19,611 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:19,612 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 [2019-10-15 04:44:19,635 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:19,636 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:19,640 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:19,640 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:19,640 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:19,641 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:19,641 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:19,642 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:19,642 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:19,642 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:19,643 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:19,644 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:19,644 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:19,644 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:19,644 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:19,645 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:19,645 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:19,645 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:19,645 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:19,645 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:19,646 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:19,646 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:19,646 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:19,646 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:19,647 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:19,647 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:19,647 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:19,647 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:19,647 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:19,956 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:19,975 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:19,979 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:19,980 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:19,981 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:19,982 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-10-15 04:44:20,064 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dfdfcf5b/22915d6184d842779b93c23290c6ba95/FLAG48586e66e [2019-10-15 04:44:20,516 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:20,518 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/gsv2008.c.i.v+lhb-reducer.c [2019-10-15 04:44:20,525 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dfdfcf5b/22915d6184d842779b93c23290c6ba95/FLAG48586e66e [2019-10-15 04:44:20,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3dfdfcf5b/22915d6184d842779b93c23290c6ba95 [2019-10-15 04:44:20,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:20,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:20,934 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:20,934 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:20,938 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:20,939 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47fbaaba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:20, skipping insertion in model container [2019-10-15 04:44:20,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:20" (1/1) ... [2019-10-15 04:44:20,951 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:20,978 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:21,217 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:21,223 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:21,254 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:21,272 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:21,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21 WrapperNode [2019-10-15 04:44:21,273 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:21,274 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:21,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:21,275 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:21,383 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,383 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,392 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:21,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:21,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:21,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:21,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:21" (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 [2019-10-15 04:44:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:21,466 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:21,467 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:21,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:21,651 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:21,651 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:44:21,652 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:21 BoogieIcfgContainer [2019-10-15 04:44:21,653 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:21,653 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:21,653 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:21,654 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:21,655 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:21" (1/1) ... [2019-10-15 04:44:21,679 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:21,886 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:21,906 INFO L272 AbstractInterpreter]: Visited 22 different actions 97 times. Merged at 10 different actions 68 times. Widened at 1 different actions 4 times. Performed 219 root evaluator evaluations with a maximum evaluation depth of 4. Performed 219 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 3 fixpoints after 2 different actions. Largest state had 14 variables. [2019-10-15 04:44:21,906 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:21,910 INFO L168 Benchmark]: Toolchain (without parser) took 975.88 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 102.3 MB in the beginning and 158.4 MB in the end (delta: -56.1 MB). Peak memory consumption was 551.2 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:21,911 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:21,914 INFO L168 Benchmark]: CACSL2BoogieTranslator took 340.15 ms. Allocated memory is still 145.8 MB. Free memory was 101.9 MB in the beginning and 92.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:21,917 INFO L168 Benchmark]: Boogie Preprocessor took 134.89 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 92.4 MB in the beginning and 180.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:21,918 INFO L168 Benchmark]: RCFGBuilder took 243.19 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 169.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:21,919 INFO L168 Benchmark]: Abstract Interpretation took 253.22 ms. Allocated memory is still 202.4 MB. Free memory was 168.7 MB in the beginning and 158.4 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:21,923 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 145.8 MB. Free memory was 120.9 MB in the beginning and 120.7 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 340.15 ms. Allocated memory is still 145.8 MB. Free memory was 101.9 MB in the beginning and 92.4 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.89 ms. Allocated memory was 145.8 MB in the beginning and 202.4 MB in the end (delta: 56.6 MB). Free memory was 92.4 MB in the beginning and 180.7 MB in the end (delta: -88.3 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 243.19 ms. Allocated memory is still 202.4 MB. Free memory was 180.7 MB in the beginning and 169.4 MB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 253.22 ms. Allocated memory is still 202.4 MB. Free memory was 168.7 MB in the beginning and 158.4 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: 52]: 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 __tmp_55_0; [L8] int __return_65; [L11] int main__x; [L12] int main__y; [L13] main__x = -50 [L14] main__y = __VERIFIER_nondet_int() [L15] COND FALSE !(!(-1000 < main__y)) [L21] COND FALSE !(!(main__y < 1000000)) [L27] COND TRUE main__x < 0 [L29] main__x = main__x + main__y [L30] int main____CPAchecker_TMP_0 = main__y; [L31] main__y = main__y + 1 [L32] __tmp_55_0 = main____CPAchecker_TMP_0 [L34] main____CPAchecker_TMP_0 = __tmp_55_0 [L35] COND FALSE !(main__x < 0) [L46] int __tmp_1; [L47] __tmp_1 = main__y > 0 [L48] int __VERIFIER_assert__cond; [L49] __VERIFIER_assert__cond = __tmp_1 [L50] COND TRUE __VERIFIER_assert__cond == 0 [L52] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...