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/loop-invgen/id_build.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:37,643 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:37,645 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:37,662 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:37,662 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:37,663 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:37,665 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:37,668 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:37,673 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:37,674 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:37,677 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:37,678 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:37,679 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:37,680 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:37,681 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:37,682 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:37,683 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:37,684 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:37,685 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:37,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:37,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:37,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:37,691 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:37,692 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:37,694 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:37,697 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:47:37,698 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:47:37,698 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:47:37,699 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:47:37,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:47:37,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:47:37,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:47:37,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:47:37,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:37,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:37,703 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:37,704 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 [2019-09-20 13:47:37,719 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:37,719 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:37,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:37,720 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:37,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:37,721 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:37,721 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:37,721 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:37,721 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:37,722 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:37,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:37,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:37,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:37,723 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:37,723 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:37,723 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:37,724 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:37,724 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:37,724 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:37,724 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:37,724 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:37,724 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:37,725 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:37,725 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:37,725 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:37,725 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:37,726 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:37,726 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:37,726 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:37,726 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:37,768 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:37,788 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:37,793 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:37,795 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:37,796 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:37,797 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-20 13:47:37,872 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5743b1d2/0b867f38f6ca4c2c933ca85093a12930/FLAGb19ffd476 [2019-09-20 13:47:38,317 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:38,317 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-20 13:47:38,322 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5743b1d2/0b867f38f6ca4c2c933ca85093a12930/FLAGb19ffd476 [2019-09-20 13:47:38,700 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d5743b1d2/0b867f38f6ca4c2c933ca85093a12930 [2019-09-20 13:47:38,710 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:38,712 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:38,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:38,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:38,717 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:38,718 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:38" (1/1) ... [2019-09-20 13:47:38,721 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bb85d62 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:38, skipping insertion in model container [2019-09-20 13:47:38,722 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:38" (1/1) ... [2019-09-20 13:47:38,730 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:38,748 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:38,988 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:38,994 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:39,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:39,036 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:39,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39 WrapperNode [2019-09-20 13:47:39,036 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:39,037 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:39,037 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:39,037 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:39,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,200 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,210 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,218 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:39,219 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:39,219 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:39,220 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:39,221 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:39" (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 [2019-09-20 13:47:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:39,294 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:39,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:39,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:39,473 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:39,473 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:47:39,474 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:39 BoogieIcfgContainer [2019-09-20 13:47:39,475 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:39,475 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:39,475 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:39,476 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:39,477 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:39" (1/1) ... [2019-09-20 13:47:39,507 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:39,859 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:39,879 INFO L272 AbstractInterpreter]: Visited 27 different actions 193 times. Merged at 10 different actions 42 times. Widened at 3 different actions 4 times. Performed 220 root evaluator evaluations with a maximum evaluation depth of 7. Performed 220 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 7 fixpoints after 3 different actions. Largest state had 9 variables. [2019-09-20 13:47:39,880 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:39,883 INFO L168 Benchmark]: Toolchain (without parser) took 1169.76 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 84.7 MB in the beginning and 148.5 MB in the end (delta: -63.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:47:39,884 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:39,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 323.63 ms. Allocated memory is still 137.4 MB. Free memory was 84.5 MB in the beginning and 75.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:39,887 INFO L168 Benchmark]: Boogie Preprocessor took 180.60 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 75.1 MB in the beginning and 177.7 MB in the end (delta: -102.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:39,888 INFO L168 Benchmark]: RCFGBuilder took 256.15 ms. Allocated memory is still 200.3 MB. Free memory was 177.7 MB in the beginning and 165.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:39,889 INFO L168 Benchmark]: Abstract Interpretation took 404.67 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 148.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:39,893 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.4 MB. Free memory was 103.3 MB in the beginning and 103.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 323.63 ms. Allocated memory is still 137.4 MB. Free memory was 84.5 MB in the beginning and 75.1 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 180.60 ms. Allocated memory was 137.4 MB in the beginning and 200.3 MB in the end (delta: 62.9 MB). Free memory was 75.1 MB in the beginning and 177.7 MB in the end (delta: -102.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 256.15 ms. Allocated memory is still 200.3 MB. Free memory was 177.7 MB in the beginning and 165.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 404.67 ms. Allocated memory is still 200.3 MB. Free memory was 165.2 MB in the beginning and 148.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 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: [L11] int offset, length, nlen = __VERIFIER_nondet_int(); [L11] int offset, length, nlen = __VERIFIER_nondet_int(); [L12] int i, j; [L13] i=0 [L13] COND TRUE i