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 0.1.24-0883e75 [2019-09-05 13:35:16,539 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-05 13:35:16,541 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-05 13:35:16,552 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-05 13:35:16,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-05 13:35:16,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-05 13:35:16,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-05 13:35:16,557 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-05 13:35:16,559 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-05 13:35:16,559 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-05 13:35:16,560 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-05 13:35:16,562 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-05 13:35:16,562 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-05 13:35:16,563 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-05 13:35:16,564 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-05 13:35:16,565 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-05 13:35:16,565 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-05 13:35:16,566 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-05 13:35:16,568 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-05 13:35:16,570 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-05 13:35:16,572 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-05 13:35:16,573 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-05 13:35:16,574 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-05 13:35:16,574 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-05 13:35:16,576 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-05 13:35:16,579 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-05 13:35:16,580 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-05 13:35:16,581 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-05 13:35:16,582 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-05 13:35:16,583 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-05 13:35:16,583 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-05 13:35:16,583 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-05 13:35:16,584 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-05 13:35:16,584 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-05 13:35:16,585 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-05 13:35:16,585 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-05 13:35:16,586 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 [2019-09-05 13:35:16,600 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-05 13:35:16,600 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-05 13:35:16,601 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-05 13:35:16,601 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-05 13:35:16,602 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-05 13:35:16,602 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-05 13:35:16,602 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-05 13:35:16,602 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-05 13:35:16,602 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-05 13:35:16,603 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-05 13:35:16,603 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-05 13:35:16,603 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-05 13:35:16,604 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-05 13:35:16,604 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-05 13:35:16,604 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-05 13:35:16,604 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-05 13:35:16,604 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-05 13:35:16,605 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-05 13:35:16,605 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-05 13:35:16,605 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-05 13:35:16,605 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-05 13:35:16,605 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-05 13:35:16,606 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-05 13:35:16,606 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-05 13:35:16,606 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-05 13:35:16,606 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-05 13:35:16,606 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-05 13:35:16,607 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-05 13:35:16,607 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-05 13:35:16,607 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-05 13:35:16,641 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-05 13:35:16,653 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-05 13:35:16,656 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-05 13:35:16,657 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-05 13:35:16,657 INFO L275 PluginConnector]: CDTParser initialized [2019-09-05 13:35:16,658 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-05 13:35:16,716 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1c32595/15cf6a4269064afb88d3262427689d21/FLAG3429ee69b [2019-09-05 13:35:17,141 INFO L306 CDTParser]: Found 1 translation units. [2019-09-05 13:35:17,142 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/id_build.i [2019-09-05 13:35:17,148 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1c32595/15cf6a4269064afb88d3262427689d21/FLAG3429ee69b [2019-09-05 13:35:17,555 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9b1c32595/15cf6a4269064afb88d3262427689d21 [2019-09-05 13:35:17,568 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-05 13:35:17,570 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-05 13:35:17,571 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:17,571 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-05 13:35:17,575 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-05 13:35:17,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@679e3444 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17, skipping insertion in model container [2019-09-05 13:35:17,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-05 13:35:17,600 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-05 13:35:17,777 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:17,780 INFO L188 MainTranslator]: Completed pre-run [2019-09-05 13:35:17,795 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-05 13:35:17,809 INFO L192 MainTranslator]: Completed translation [2019-09-05 13:35:17,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17 WrapperNode [2019-09-05 13:35:17,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-05 13:35:17,811 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-05 13:35:17,811 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-05 13:35:17,811 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-05 13:35:17,909 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,910 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,914 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,914 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,917 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,922 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (1/1) ... [2019-09-05 13:35:17,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-05 13:35:17,924 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-05 13:35:17,924 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-05 13:35:17,924 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-05 13:35:17,925 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.09 01:35:17" (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 [2019-09-05 13:35:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-05 13:35:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-05 13:35:17,986 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-05 13:35:17,987 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-05 13:35:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-05 13:35:17,987 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-05 13:35:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-05 13:35:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-05 13:35:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-05 13:35:17,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-05 13:35:17,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-05 13:35:18,166 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-05 13:35:18,166 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-05 13:35:18,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:18 BoogieIcfgContainer [2019-09-05 13:35:18,170 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-05 13:35:18,171 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-05 13:35:18,171 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-05 13:35:18,171 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-05 13:35:18,172 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.09 01:35:18" (1/1) ... [2019-09-05 13:35:18,208 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-05 13:35:18,524 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-05 13:35:18,543 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. [2019-09-05 13:35:18,543 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-05 13:35:18,546 INFO L168 Benchmark]: Toolchain (without parser) took 975.47 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.3 MB in the beginning and 147.1 MB in the end (delta: -60.9 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:18,548 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-05 13:35:18,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.82 ms. Allocated memory is still 132.1 MB. Free memory was 86.1 MB in the beginning and 77.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:18,550 INFO L168 Benchmark]: Boogie Preprocessor took 112.52 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.0 MB in the beginning and 176.2 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:18,551 INFO L168 Benchmark]: RCFGBuilder took 246.37 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 163.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:18,551 INFO L168 Benchmark]: Abstract Interpretation took 372.78 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 147.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-05 13:35:18,560 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 132.1 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 239.82 ms. Allocated memory is still 132.1 MB. Free memory was 86.1 MB in the beginning and 77.0 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.52 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 77.0 MB in the beginning and 176.2 MB in the end (delta: -99.2 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 246.37 ms. Allocated memory is still 199.2 MB. Free memory was 176.2 MB in the beginning and 163.4 MB in the end (delta: 12.8 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 372.78 ms. Allocated memory is still 199.2 MB. Free memory was 163.4 MB in the beginning and 147.1 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 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