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/nla-digbench/divbin.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:27:30,719 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:30,721 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:30,734 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:27:30,735 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:27:30,736 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:27:30,737 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:27:30,739 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:27:30,741 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:27:30,741 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:27:30,742 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:27:30,743 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:27:30,744 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:27:30,745 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:27:30,746 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:27:30,747 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:27:30,747 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:27:30,748 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:27:30,750 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:27:30,752 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:27:30,753 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:27:30,754 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:27:30,755 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:27:30,756 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:27:30,758 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:27:30,765 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:27:30,766 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:27:30,767 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:27:30,768 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 21:27:30,786 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:30,786 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:30,787 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:30,787 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:30,788 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:30,788 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:30,788 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:30,789 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:30,789 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:30,789 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:30,790 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:30,791 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:30,791 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:30,791 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:30,791 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:30,792 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:30,792 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:30,792 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:30,793 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:30,794 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:30,794 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:30,794 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:30,794 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:30,795 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:30,795 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:30,795 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:30,795 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:30,795 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:30,796 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:30,796 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:30,848 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:30,861 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:30,864 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:30,866 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:30,866 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:30,867 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/divbin.c [2019-09-03 21:27:30,927 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372659a24/b4b86020d4bc4d56a3988ee8b063fbaf/FLAG39123c2e6 [2019-09-03 21:27:31,348 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:31,350 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/divbin.c [2019-09-03 21:27:31,358 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372659a24/b4b86020d4bc4d56a3988ee8b063fbaf/FLAG39123c2e6 [2019-09-03 21:27:31,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/372659a24/b4b86020d4bc4d56a3988ee8b063fbaf [2019-09-03 21:27:31,751 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:31,753 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:31,754 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:31,754 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:31,757 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:31,758 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,761 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a823ade and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:31, skipping insertion in model container [2019-09-03 21:27:31,761 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:31" (1/1) ... [2019-09-03 21:27:31,768 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:31,791 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:31,967 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:31,972 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:31,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:32,000 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:32,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32 WrapperNode [2019-09-03 21:27:32,001 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:32,001 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:32,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:32,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:32,098 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,098 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,103 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,104 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,110 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,117 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,118 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,119 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:32,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:32,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:32,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:32,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:32" (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 [2019-09-03 21:27:32,178 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:27:32,179 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:32,179 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:27:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:27:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:32,180 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:32,386 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:32,386 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 21:27:32,388 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:32 BoogieIcfgContainer [2019-09-03 21:27:32,388 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:32,389 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:32,389 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:32,389 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:32,390 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:32" (1/1) ... [2019-09-03 21:27:32,422 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:32,665 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:32,685 INFO L272 AbstractInterpreter]: Visited 21 different actions 57 times. Merged at 4 different actions 12 times. Widened at 1 different actions 1 times. Performed 75 root evaluator evaluations with a maximum evaluation depth of 8. Performed 75 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 5 fixpoints after 2 different actions. Largest state had 8 variables. [2019-09-03 21:27:32,686 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:32,689 INFO L168 Benchmark]: Toolchain (without parser) took 934.82 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 87.1 MB in the beginning and 152.9 MB in the end (delta: -65.8 MB). Peak memory consumption was 744.1 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:32,690 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:32,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.25 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:32,692 INFO L168 Benchmark]: Boogie Preprocessor took 118.47 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 77.4 MB in the beginning and 174.6 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:32,694 INFO L168 Benchmark]: RCFGBuilder took 268.11 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 162.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:32,695 INFO L168 Benchmark]: Abstract Interpretation took 297.17 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 152.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:32,699 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 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 247.25 ms. Allocated memory is still 131.6 MB. Free memory was 86.8 MB in the beginning and 77.4 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 118.47 ms. Allocated memory was 131.6 MB in the beginning and 198.2 MB in the end (delta: 66.6 MB). Free memory was 77.4 MB in the beginning and 174.6 MB in the end (delta: -97.1 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.11 ms. Allocated memory is still 198.2 MB. Free memory was 174.6 MB in the beginning and 162.4 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 297.17 ms. Allocated memory is still 198.2 MB. Free memory was 161.8 MB in the beginning and 152.9 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 12]: 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: [L18] int A, B; [L19] int q, r, b; [L20] A = __VERIFIER_nondet_int() [L21] B = __VERIFIER_nondet_int() [L24] q = 0 [L25] r = A [L26] b = B [L28] COND TRUE 1 [L29] COND TRUE !(r >= b) [L33] COND TRUE 1 [L34] CALL __VERIFIER_assert(A == q * b + r) [L10] COND TRUE !(cond) [L12] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...