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/float-benchs/inv_Newton.c.p+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:04:05,779 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:04:05,782 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:04:05,794 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:04:05,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:04:05,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:04:05,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:04:05,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:04:05,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:04:05,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:04:05,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:04:05,815 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:04:05,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:04:05,818 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:04:05,819 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:04:05,820 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:04:05,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:04:05,831 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:04:05,832 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:04:05,832 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:04:05,833 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 [2019-09-11 16:04:05,849 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:04:05,850 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:04:05,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:04:05,850 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:04:05,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:04:05,851 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:04:05,851 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:04:05,851 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:04:05,852 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:04:05,852 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:04:05,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:04:05,853 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:04:05,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:04:05,853 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:04:05,853 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:04:05,853 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:04:05,854 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:04:05,854 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:04:05,854 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:04:05,854 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:04:05,854 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:04:05,855 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:04:05,855 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:04:05,855 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:04:05,855 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:04:05,855 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:04:05,856 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:04:05,856 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:04:05,856 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:04:05,856 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:04:05,884 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:04:05,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:04:05,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:04:05,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:04:05,901 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:04:05,902 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-09-11 16:04:05,960 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a75259f/ea797fe212fb42d89af758e2a891ef70/FLAG1a80936cc [2019-09-11 16:04:06,456 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:04:06,457 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-benchs/inv_Newton.c.p+cfa-reducer.c [2019-09-11 16:04:06,469 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a75259f/ea797fe212fb42d89af758e2a891ef70/FLAG1a80936cc [2019-09-11 16:04:06,768 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/41a75259f/ea797fe212fb42d89af758e2a891ef70 [2019-09-11 16:04:06,778 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:04:06,780 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:04:06,781 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:06,781 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:04:06,785 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:04:06,786 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:06" (1/1) ... [2019-09-11 16:04:06,789 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62240cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:06, skipping insertion in model container [2019-09-11 16:04:06,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:04:06" (1/1) ... [2019-09-11 16:04:06,796 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:04:06,818 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:04:07,008 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:07,015 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:04:07,132 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:04:07,158 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:04:07,158 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07 WrapperNode [2019-09-11 16:04:07,159 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:04:07,160 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:04:07,160 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:04:07,160 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:04:07,173 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,174 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,185 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,186 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,198 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,201 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,203 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:04:07,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:04:07,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:04:07,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:04:07,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:04:07" (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 [2019-09-11 16:04:07,260 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:04:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:04:07,261 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:04:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:04:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2019-09-11 16:04:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-11 16:04:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:04:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure inv [2019-09-11 16:04:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:04:07,261 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:04:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-09-11 16:04:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:04:07,262 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:04:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-09-11 16:04:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:04:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:04:07,263 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:04:07,514 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:04:07,515 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:04:07,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:07 BoogieIcfgContainer [2019-09-11 16:04:07,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:04:07,517 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:04:07,518 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:04:07,518 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:04:07,519 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:04:07" (1/1) ... [2019-09-11 16:04:07,569 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:04:07,681 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPLT has no precise implementation. [2019-09-11 16:04:07,683 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator COMPGT has no precise implementation. [2019-09-11 16:04:07,715 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:04:07,722 INFO L272 AbstractInterpreter]: Visited 16 different actions 23 times. Merged at 4 different actions 5 times. Never widened. Performed 56 root evaluator evaluations with a maximum evaluation depth of 4. Performed 56 inverse root evaluator evaluations with a maximum inverse evaluation depth of 4. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2019-09-11 16:04:07,722 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:04:07,729 INFO L168 Benchmark]: Toolchain (without parser) took 944.50 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 90.3 MB in the beginning and 151.2 MB in the end (delta: -60.9 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:07,730 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 138.9 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:04:07,732 INFO L168 Benchmark]: CACSL2BoogieTranslator took 378.21 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 90.1 MB in the beginning and 178.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:07,733 INFO L168 Benchmark]: Boogie Preprocessor took 45.82 ms. Allocated memory is still 201.3 MB. Free memory was 178.4 MB in the beginning and 176.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:07,734 INFO L168 Benchmark]: RCFGBuilder took 311.01 ms. Allocated memory is still 201.3 MB. Free memory was 176.3 MB in the beginning and 159.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:07,736 INFO L168 Benchmark]: Abstract Interpretation took 205.05 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 151.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:04:07,744 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 138.9 MB. Free memory was 108.3 MB in the beginning and 108.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 378.21 ms. Allocated memory was 138.9 MB in the beginning and 201.3 MB in the end (delta: 62.4 MB). Free memory was 90.1 MB in the beginning and 178.4 MB in the end (delta: -88.3 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.82 ms. Allocated memory is still 201.3 MB. Free memory was 178.4 MB in the beginning and 176.3 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 311.01 ms. Allocated memory is still 201.3 MB. Free memory was 176.3 MB in the beginning and 159.2 MB in the end (delta: 17.1 MB). Peak memory consumption was 17.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 205.05 ms. Allocated memory is still 201.3 MB. Free memory was 158.6 MB in the beginning and 151.2 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 91]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...