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/loops/veris.c_NetBSD-libc_loop.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:39:23,661 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:39:23,663 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:39:23,675 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:39:23,676 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:39:23,677 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:39:23,678 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:39:23,680 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:39:23,681 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:39:23,682 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:39:23,683 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:39:23,684 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:39:23,685 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:39:23,686 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:39:23,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:39:23,688 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:39:23,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:39:23,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:39:23,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:39:23,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:39:23,695 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:39:23,696 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:39:23,697 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:39:23,698 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:39:23,700 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:39:23,703 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:39:23,704 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:39:23,705 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:39:23,706 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:39:23,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:39:23,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:39:23,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:39:23,708 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:39:23,708 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:39:23,709 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:39:23,710 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:39:23,710 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 [2019-10-03 12:39:23,725 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:39:23,725 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:39:23,726 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:39:23,726 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:39:23,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:39:23,727 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:39:23,727 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:39:23,727 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:39:23,727 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:39:23,728 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:39:23,728 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:39:23,729 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:39:23,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:39:23,729 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:39:23,729 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:39:23,729 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:39:23,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:39:23,730 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:39:23,730 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:39:23,730 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:39:23,730 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:39:23,731 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:39:23,731 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:39:23,731 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:39:23,731 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:39:23,731 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:39:23,732 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:39:23,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:39:23,732 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:39:23,732 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:39:23,760 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:39:23,773 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:39:23,777 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:39:23,778 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:39:23,779 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:39:23,779 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-10-03 12:39:23,843 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/110cd27f9/24ced4f6bd70495f86205e6118473873/FLAG61c0a8471 [2019-10-03 12:39:24,304 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:39:24,305 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/veris.c_NetBSD-libc_loop.i [2019-10-03 12:39:24,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/110cd27f9/24ced4f6bd70495f86205e6118473873/FLAG61c0a8471 [2019-10-03 12:39:24,685 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/110cd27f9/24ced4f6bd70495f86205e6118473873 [2019-10-03 12:39:24,698 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:39:24,699 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:39:24,702 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:24,703 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:39:24,707 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:39:24,708 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:24" (1/1) ... [2019-10-03 12:39:24,711 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@bb33164 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:24, skipping insertion in model container [2019-10-03 12:39:24,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:39:24" (1/1) ... [2019-10-03 12:39:24,719 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:39:24,737 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:39:24,980 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:24,996 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:39:25,019 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:39:25,039 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:39:25,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25 WrapperNode [2019-10-03 12:39:25,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:39:25,041 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:39:25,041 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:39:25,041 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:39:25,140 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,142 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,153 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,154 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,165 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,169 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,172 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,174 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:39:25,175 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:39:25,175 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:39:25,175 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:39:25,176 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:39:25" (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 [2019-10-03 12:39:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:39:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:39:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:39:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure glob2 [2019-10-03 12:39:25,241 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:39:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:39:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:39:25,241 INFO L130 BoogieDeclarations]: Found specification of procedure glob2 [2019-10-03 12:39:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 12:39:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:39:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 12:39:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 12:39:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:39:25,242 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:39:25,243 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 12:39:25,462 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:39:25,462 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:39:25,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:25 BoogieIcfgContainer [2019-10-03 12:39:25,464 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:39:25,464 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:39:25,464 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:39:25,465 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:39:25,465 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:39:25" (1/1) ... [2019-10-03 12:39:25,515 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:39:25,582 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 12:39:25,588 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 21 root evaluator evaluations with a maximum evaluation depth of 0. Performed 21 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 22 variables. [2019-10-03 12:39:25,588 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:39:25,591 INFO L168 Benchmark]: Toolchain (without parser) took 890.49 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 86.4 MB in the beginning and 154.8 MB in the end (delta: -68.4 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:39:25,592 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:39:25,593 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.04 ms. Allocated memory is still 132.1 MB. Free memory was 86.2 MB in the beginning and 76.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:25,594 INFO L168 Benchmark]: Boogie Preprocessor took 133.66 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 76.5 MB in the beginning and 174.9 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:25,595 INFO L168 Benchmark]: RCFGBuilder took 289.03 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 160.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:25,596 INFO L168 Benchmark]: Abstract Interpretation took 123.85 ms. Allocated memory is still 199.2 MB. Free memory was 159.8 MB in the beginning and 154.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 MB. Max. memory is 7.1 GB. [2019-10-03 12:39:25,603 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 132.1 MB. Free memory was 106.3 MB in the beginning and 106.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 338.04 ms. Allocated memory is still 132.1 MB. Free memory was 86.2 MB in the beginning and 76.5 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 133.66 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 76.5 MB in the beginning and 174.9 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 289.03 ms. Allocated memory is still 199.2 MB. Free memory was 174.9 MB in the beginning and 160.4 MB in the end (delta: 14.5 MB). Peak memory consumption was 14.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 123.85 ms. Allocated memory is still 199.2 MB. Free memory was 159.8 MB in the beginning and 154.8 MB in the end (delta: 5.0 MB). Peak memory consumption was 5.0 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: 5]: 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...