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/test17.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:08:49,385 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:08:49,387 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:08:49,399 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:08:49,399 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:08:49,400 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:08:49,401 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:08:49,403 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:08:49,405 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:08:49,406 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:08:49,407 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:08:49,408 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:08:49,408 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:08:49,409 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:08:49,410 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:08:49,411 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:08:49,412 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:08:49,413 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:08:49,415 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:08:49,417 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:08:49,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:08:49,422 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:08:49,425 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:08:49,427 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:08:49,429 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-11 16:08:49,431 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-11 16:08:49,431 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-11 16:08:49,432 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-11 16:08:49,434 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-11 16:08:49,436 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-11 16:08:49,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:08:49,437 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:08:49,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:08:49,440 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:08:49,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:08:49,443 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:08:49,444 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:08:49,444 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:08:49,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:08:49,445 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:08:49,446 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:08:49,448 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 16:08:49,477 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:08:49,477 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:08:49,477 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:08:49,478 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:08:49,479 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:08:49,479 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:08:49,480 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:08:49,480 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:08:49,480 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:08:49,480 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:08:49,482 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:08:49,483 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:08:49,483 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:08:49,483 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:08:49,483 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:08:49,484 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:08:49,484 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:08:49,484 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:08:49,484 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:08:49,485 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:08:49,485 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:08:49,485 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:08:49,485 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:08:49,486 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:08:49,486 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:08:49,486 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:08:49,487 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:08:49,487 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:08:49,487 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:08:49,487 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:08:49,535 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:08:49,547 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:08:49,550 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:08:49,551 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:08:49,551 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:08:49,552 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test17.c [2019-09-11 16:08:49,608 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ab848d7/c51f5eac3e974d29af67ec76e638ece5/FLAG677272405 [2019-09-11 16:08:50,041 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:08:50,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test17.c [2019-09-11 16:08:50,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ab848d7/c51f5eac3e974d29af67ec76e638ece5/FLAG677272405 [2019-09-11 16:08:50,444 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/47ab848d7/c51f5eac3e974d29af67ec76e638ece5 [2019-09-11 16:08:50,453 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:08:50,454 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:08:50,455 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:50,455 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:08:50,459 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:08:50,460 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,463 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2243a972 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50, skipping insertion in model container [2019-09-11 16:08:50,463 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,470 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:08:50,486 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:08:50,633 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:50,638 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:08:50,651 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:08:50,673 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:08:50,674 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50 WrapperNode [2019-09-11 16:08:50,674 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:08:50,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:08:50,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:08:50,675 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:08:50,782 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,789 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,789 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (1/1) ... [2019-09-11 16:08:50,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:08:50,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:08:50,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:08:50,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:08:50,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:08:50" (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 [2019-09-11 16:08:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:08:50,857 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:08:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure equal [2019-09-11 16:08:50,858 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:08:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:08:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure equal [2019-09-11 16:08:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:08:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:08:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:08:50,858 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-11 16:08:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:08:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:08:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:08:50,859 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:08:51,075 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:08:51,076 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:08:51,077 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:51 BoogieIcfgContainer [2019-09-11 16:08:51,078 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:08:51,081 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:08:51,081 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:08:51,081 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:08:51,082 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:08:51" (1/1) ... [2019-09-11 16:08:51,120 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:08:51,188 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:08:51,193 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 12 root evaluator evaluations with a maximum evaluation depth of 0. Performed 12 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 18 variables. [2019-09-11 16:08:51,194 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:08:51,197 INFO L168 Benchmark]: Toolchain (without parser) took 741.19 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 89.9 MB in the beginning and 161.4 MB in the end (delta: -71.5 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:08:51,198 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:08:51,199 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.25 ms. Allocated memory is still 138.4 MB. Free memory was 89.4 MB in the beginning and 80.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:51,200 INFO L168 Benchmark]: Boogie Preprocessor took 123.73 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 80.3 MB in the beginning and 179.9 MB in the end (delta: -99.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:51,201 INFO L168 Benchmark]: RCFGBuilder took 278.97 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 166.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:51,202 INFO L168 Benchmark]: Abstract Interpretation took 112.89 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 161.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:08:51,207 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 138.4 MB. Free memory was 108.4 MB in the beginning and 108.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 219.25 ms. Allocated memory is still 138.4 MB. Free memory was 89.4 MB in the beginning and 80.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.73 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 80.3 MB in the beginning and 179.9 MB in the end (delta: -99.6 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 278.97 ms. Allocated memory is still 201.9 MB. Free memory was 179.3 MB in the beginning and 166.6 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 112.89 ms. Allocated memory is still 201.9 MB. Free memory was 166.6 MB in the beginning and 161.4 MB in the end (delta: 5.3 MB). Peak memory consumption was 5.3 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: 10]: 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...