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/loops/terminator_03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:37,393 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:37,396 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:37,412 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:37,412 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:37,414 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:37,417 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:37,427 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:37,429 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:37,429 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:37,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:37,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:37,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:37,433 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:37,434 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:37,435 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:37,436 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:37,439 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:37,441 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:37,444 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:37,447 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:37,451 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:37,453 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:37,453 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:37,455 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:37,470 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:37,473 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:37,476 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:37,476 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 04:44:37,498 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:37,498 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:37,500 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:37,501 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:37,501 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:37,501 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:37,501 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:37,502 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:37,502 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:37,502 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:37,503 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:37,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:37,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:37,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:37,504 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:37,505 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:37,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:37,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:37,505 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:37,506 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:37,506 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:37,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:37,507 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:37,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:37,507 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:37,507 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:37,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:37,508 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:37,508 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 04:44:37,802 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:37,815 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:37,819 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:37,821 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:37,821 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:37,822 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/terminator_03-1.c [2019-10-15 04:44:37,879 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a139ca0/b417f0b27ec148eeb5aae2e5731463a7/FLAGcd4b8303e [2019-10-15 04:44:38,283 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:38,284 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/terminator_03-1.c [2019-10-15 04:44:38,292 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a139ca0/b417f0b27ec148eeb5aae2e5731463a7/FLAGcd4b8303e [2019-10-15 04:44:38,612 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f4a139ca0/b417f0b27ec148eeb5aae2e5731463a7 [2019-10-15 04:44:38,620 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:38,622 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:38,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:38,623 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:38,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:38,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,631 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6fc1b7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38, skipping insertion in model container [2019-10-15 04:44:38,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,637 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:38,653 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:38,790 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:38,795 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:38,809 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:38,821 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:38,822 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38 WrapperNode [2019-10-15 04:44:38,822 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:38,823 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:38,823 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:38,823 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:38,833 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,833 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,920 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,928 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,930 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (1/1) ... [2019-10-15 04:44:38,931 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:38,932 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:38,932 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:38,932 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:38,933 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:38" (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 04:44:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:38,991 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:38,991 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:38,992 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:39,151 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:39,152 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:39,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:39 BoogieIcfgContainer [2019-10-15 04:44:39,153 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:39,154 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:39,154 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:39,154 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:39,155 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:39" (1/1) ... [2019-10-15 04:44:39,180 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:39,434 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:39,450 INFO L272 AbstractInterpreter]: Visited 22 different actions 47 times. Merged at 5 different actions 9 times. Never widened. Performed 45 root evaluator evaluations with a maximum evaluation depth of 8. Performed 45 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 5 variables. [2019-10-15 04:44:39,450 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:39,453 INFO L168 Benchmark]: Toolchain (without parser) took 830.38 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 100.4 MB in the beginning and 154.3 MB in the end (delta: -53.9 MB). Peak memory consumption was 3.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:39,455 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:39,456 INFO L168 Benchmark]: CACSL2BoogieTranslator took 199.55 ms. Allocated memory is still 143.7 MB. Free memory was 100.2 MB in the beginning and 90.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:39,457 INFO L168 Benchmark]: Boogie Preprocessor took 108.70 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 90.9 MB in the beginning and 179.8 MB in the end (delta: -88.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:39,458 INFO L168 Benchmark]: RCFGBuilder took 221.49 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 168.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:39,459 INFO L168 Benchmark]: Abstract Interpretation took 296.62 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 154.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:39,463 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 143.7 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 199.55 ms. Allocated memory is still 143.7 MB. Free memory was 100.2 MB in the beginning and 90.9 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 108.70 ms. Allocated memory was 143.7 MB in the beginning and 200.8 MB in the end (delta: 57.1 MB). Free memory was 90.9 MB in the beginning and 179.8 MB in the end (delta: -88.9 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 221.49 ms. Allocated memory is still 200.8 MB. Free memory was 179.8 MB in the beginning and 168.6 MB in the end (delta: 11.2 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 296.62 ms. Allocated memory is still 200.8 MB. Free memory was 168.6 MB in the beginning and 154.3 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 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: [L13] int x=__VERIFIER_nondet_int(); [L14] int y=__VERIFIER_nondet_int(); [L16] COND FALSE !(y>0) [L23] CALL __VERIFIER_assert(y<=0 || (y<0 && x>=100)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...