java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AbstractInterpretationCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-acceleration/diamond_true-unreach-call2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ddc4263 [2018-08-07 21:16:31,096 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-08-07 21:16:31,098 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-08-07 21:16:31,109 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-08-07 21:16:31,110 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-08-07 21:16:31,112 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-08-07 21:16:31,113 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-08-07 21:16:31,115 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-08-07 21:16:31,117 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-08-07 21:16:31,118 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-08-07 21:16:31,120 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-08-07 21:16:31,120 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-08-07 21:16:31,121 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-08-07 21:16:31,123 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-08-07 21:16:31,128 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-08-07 21:16:31,128 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-08-07 21:16:31,129 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-08-07 21:16:31,136 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-08-07 21:16:31,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-08-07 21:16:31,142 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-08-07 21:16:31,143 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-08-07 21:16:31,146 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-08-07 21:16:31,148 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-08-07 21:16:31,163 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf [2018-08-07 21:16:31,186 INFO L110 SettingsManager]: Loading preferences was successful [2018-08-07 21:16:31,186 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-08-07 21:16:31,187 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-08-07 21:16:31,187 INFO L133 SettingsManager]: * User list type=DISABLED [2018-08-07 21:16:31,189 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-08-07 21:16:31,190 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-08-07 21:16:31,190 INFO L133 SettingsManager]: * Congruence Domain=false [2018-08-07 21:16:31,190 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-08-07 21:16:31,190 INFO L133 SettingsManager]: * Abstract domain=OctagonDomain [2018-08-07 21:16:31,190 INFO L133 SettingsManager]: * Log string format=TERM [2018-08-07 21:16:31,190 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-08-07 21:16:31,191 INFO L133 SettingsManager]: * Interval Domain=false [2018-08-07 21:16:31,191 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-08-07 21:16:31,192 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-08-07 21:16:31,192 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-08-07 21:16:31,192 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-08-07 21:16:31,192 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-08-07 21:16:31,192 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-08-07 21:16:31,193 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-08-07 21:16:31,193 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-08-07 21:16:31,193 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-08-07 21:16:31,193 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-08-07 21:16:31,193 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-08-07 21:16:31,194 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-08-07 21:16:31,194 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-08-07 21:16:31,194 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-08-07 21:16:31,194 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-08-07 21:16:31,194 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-08-07 21:16:31,195 INFO L133 SettingsManager]: * Trace refinement strategy=TOOTHLESS_TAIPAN [2018-08-07 21:16:31,195 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-08-07 21:16:31,195 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-08-07 21:16:31,195 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-08-07 21:16:31,195 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-08-07 21:16:31,196 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-08-07 21:16:31,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-08-07 21:16:31,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-08-07 21:16:31,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-08-07 21:16:31,276 INFO L271 PluginConnector]: Initializing CDTParser... [2018-08-07 21:16:31,276 INFO L276 PluginConnector]: CDTParser initialized [2018-08-07 21:16:31,277 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/diamond_true-unreach-call2.i [2018-08-07 21:16:31,635 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f22d0644/266dfba1035f47b987067f492c164545/FLAG72e14f87c [2018-08-07 21:16:31,805 INFO L276 CDTParser]: Found 1 translation units. [2018-08-07 21:16:31,806 INFO L158 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/diamond_true-unreach-call2.i [2018-08-07 21:16:31,817 INFO L324 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f22d0644/266dfba1035f47b987067f492c164545/FLAG72e14f87c [2018-08-07 21:16:31,834 INFO L332 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f22d0644/266dfba1035f47b987067f492c164545 [2018-08-07 21:16:31,846 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-08-07 21:16:31,848 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-08-07 21:16:31,849 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-08-07 21:16:31,850 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-08-07 21:16:31,857 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-08-07 21:16:31,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 09:16:31" (1/1) ... [2018-08-07 21:16:31,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b75fb08 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:31, skipping insertion in model container [2018-08-07 21:16:31,861 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.08 09:16:31" (1/1) ... [2018-08-07 21:16:32,018 INFO L179 PRDispatcher]: Starting pre-run dispatcher in SV-COMP mode [2018-08-07 21:16:32,065 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 21:16:32,081 INFO L422 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-08-07 21:16:32,097 INFO L175 PostProcessor]: Settings: Checked method=main [2018-08-07 21:16:32,124 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32 WrapperNode [2018-08-07 21:16:32,124 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-08-07 21:16:32,126 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-08-07 21:16:32,126 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-08-07 21:16:32,126 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-08-07 21:16:32,139 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,148 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,165 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-08-07 21:16:32,168 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-08-07 21:16:32,168 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-08-07 21:16:32,168 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-08-07 21:16:32,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,181 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,182 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,183 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,194 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:32,219 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-08-07 21:16:32,220 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-08-07 21:16:32,220 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-08-07 21:16:32,220 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-08-07 21:16:32,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.08 09:16:32" (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 [2018-08-07 21:16:32,303 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-08-07 21:16:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-08-07 21:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-08-07 21:16:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-08-07 21:16:32,304 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-08-07 21:16:32,304 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-08-07 21:16:32,305 INFO L130 BoogieDeclarations]: Found specification of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_diamond_true_unreach_call__i____VERIFIER_assert [2018-08-07 21:16:32,305 INFO L138 BoogieDeclarations]: Found implementation of procedure __U_MULTI_f_storage_repos_ultimate_trunk_examples_svcomp_loop_acceleration_diamond_true_unreach_call__i____VERIFIER_assert [2018-08-07 21:16:32,965 INFO L273 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-08-07 21:16:32,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 09:16:32 BoogieIcfgContainer [2018-08-07 21:16:32,966 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-08-07 21:16:32,967 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2018-08-07 21:16:32,967 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2018-08-07 21:16:32,968 INFO L276 PluginConnector]: Abstract Interpretation initialized [2018-08-07 21:16:32,969 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.08 09:16:32" (1/1) ... [2018-08-07 21:16:33,046 INFO L101 FixpointEngine]: Starting fixpoint engine with domain OctagonDomain (maxUnwinding=3, maxParallelStates=2) [2018-08-07 21:16:33,120 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2018-08-07 21:16:37,049 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-08-07 21:16:37,068 INFO L272 AbstractInterpreter]: Visited 40 different actions 1580 times. Merged at 22 different actions 716 times. Widened at 2 different actions 14 times. Found 619 fixpoints after 18 different actions. Largest state had 5 variables. [2018-08-07 21:16:37,071 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2018-08-07 21:16:37,072 INFO L168 Benchmark]: Toolchain (without parser) took 5224.99 ms. Allocated memory was 1.5 GB in the beginning and 2.5 GB in the end (delta: 965.7 MB). Free memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: -333.4 MB). Peak memory consumption was 639.5 MB. Max. memory is 7.1 GB. [2018-08-07 21:16:37,075 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 21:16:37,075 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-08-07 21:16:37,076 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 21:16:37,077 INFO L168 Benchmark]: Boogie Preprocessor took 51.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-08-07 21:16:37,078 INFO L168 Benchmark]: RCFGBuilder took 746.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2018-08-07 21:16:37,081 INFO L168 Benchmark]: Abstract Interpretation took 4103.77 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 218.6 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 450.3 MB). Peak memory consumption was 676.1 MB. Max. memory is 7.1 GB. [2018-08-07 21:16:37,086 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 275.63 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 39.50 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 51.67 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 746.70 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 747.1 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -794.3 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 4103.77 ms. Allocated memory was 2.3 GB in the beginning and 2.5 GB in the end (delta: 218.6 MB). Free memory was 2.2 GB in the beginning and 1.7 GB in the end (delta: 450.3 MB). Peak memory consumption was 676.1 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: [L10] unsigned int x = 0; [L11] unsigned int y = __VERIFIER_nondet_uint(); [L12] COND FALSE !(x < 99) [L34] CALL __VERIFIER_assert((x % 2) == (y % 2)) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/diamond_true-unreach-call2.i_svcomp-Reach-64bit-ToothlessTaipan_OCT-OldIcfg.epf_AbstractInterpretationCInline.xml/Csv-Benchmark-0-2018-08-07_21-16-37-100.csv Received shutdown request...