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/ldv-regression/test09.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:49,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:49,176 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:49,190 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:48:49,190 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:48:49,191 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:48:49,193 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:48:49,204 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:48:49,206 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:48:49,207 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:48:49,208 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:48:49,209 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:48:49,209 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:49,210 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:49,211 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:49,214 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:49,215 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:49,216 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:49,220 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:49,224 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:49,226 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:49,228 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:49,229 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:49,230 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:49,235 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:49,248 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 13:48:49,264 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:49,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:49,265 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:49,265 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:49,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:49,266 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:49,266 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:49,266 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:49,267 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:49,267 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:49,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:49,268 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:49,268 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:49,268 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:49,268 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:49,269 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:49,269 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:49,269 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:49,269 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:49,270 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:49,270 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:49,270 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:49,270 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:49,270 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:49,271 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:49,271 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:49,271 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:49,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:49,272 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:49,272 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:49,312 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:49,325 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:49,328 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:49,329 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:49,330 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:49,331 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test09.c [2019-09-20 13:48:49,401 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2503ae9d7/0422d861fc3f49dd84c3c5f13acbfad4/FLAGad9076410 [2019-09-20 13:48:49,836 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:49,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test09.c [2019-09-20 13:48:49,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2503ae9d7/0422d861fc3f49dd84c3c5f13acbfad4/FLAGad9076410 [2019-09-20 13:48:50,204 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2503ae9d7/0422d861fc3f49dd84c3c5f13acbfad4 [2019-09-20 13:48:50,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:50,219 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:50,220 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:50,220 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:50,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:50,225 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,228 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b17c9ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50, skipping insertion in model container [2019-09-20 13:48:50,228 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,236 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:50,254 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:50,442 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:50,457 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:50,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:50,486 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:50,486 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50 WrapperNode [2019-09-20 13:48:50,486 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:50,487 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:50,487 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:50,487 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:50,497 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,498 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,596 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,602 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,605 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,611 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,613 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:50,614 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:50,614 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:50,614 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:50,615 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:50" (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 13:48:50,681 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-20 13:48:50,682 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:50,682 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-20 13:48:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:48:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:48:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:48:50,683 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:48:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:50,684 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:48:50,889 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:50,889 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:48:50,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:50 BoogieIcfgContainer [2019-09-20 13:48:50,891 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:50,891 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:50,892 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:50,892 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:50,893 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:50" (1/1) ... [2019-09-20 13:48:50,929 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:51,024 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:48:51,031 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 17 root evaluator evaluations with a maximum evaluation depth of 0. Performed 17 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 28 variables. [2019-09-20 13:48:51,031 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:51,035 INFO L168 Benchmark]: Toolchain (without parser) took 814.93 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 157.7 MB in the end (delta: -71.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:51,036 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:51,037 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.88 ms. Allocated memory is still 139.5 MB. Free memory was 86.0 MB in the beginning and 76.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:51,039 INFO L168 Benchmark]: Boogie Preprocessor took 126.51 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.3 MB in the beginning and 176.6 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:51,041 INFO L168 Benchmark]: RCFGBuilder took 277.18 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 162.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:51,042 INFO L168 Benchmark]: Abstract Interpretation took 140.15 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 157.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:51,058 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 139.5 MB. Free memory was 104.2 MB in the beginning and 104.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 266.88 ms. Allocated memory is still 139.5 MB. Free memory was 86.0 MB in the beginning and 76.3 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.51 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.3 MB in the beginning and 176.6 MB in the end (delta: -100.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 277.18 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 162.6 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 140.15 ms. Allocated memory is still 199.2 MB. Free memory was 162.6 MB in the beginning and 157.7 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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: 37]: 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...