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-industry-pattern/mod3.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:58,451 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:58,453 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:58,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:27:58,466 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:27:58,467 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:27:58,468 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:27:58,470 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:27:58,472 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:27:58,473 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:27:58,474 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:27:58,475 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:27:58,476 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:27:58,477 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:27:58,478 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:27:58,479 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:27:58,480 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:27:58,481 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:27:58,483 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:27:58,484 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:27:58,486 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:27:58,487 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:27:58,488 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:27:58,489 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:27:58,491 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:27:58,494 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-16 17:27:58,495 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-16 17:27:58,496 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-16 17:27:58,496 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-16 17:27:58,497 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-16 17:27:58,497 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-16 17:27:58,500 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-16 17:27:58,500 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-16 17:27:58,500 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-16 17:27:58,501 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-16 17:27:58,502 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-16 17:27:58,505 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 [2019-09-16 17:27:58,528 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:58,528 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:58,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:58,529 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:58,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:58,530 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:58,531 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:58,531 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:58,531 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:58,531 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:58,534 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:58,534 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:58,534 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:58,535 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:58,535 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:58,535 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:58,535 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:58,535 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:58,536 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:58,536 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:58,537 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:58,537 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:58,539 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:58,539 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:58,539 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:58,539 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:58,540 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:58,540 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:58,540 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:58,540 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:58,598 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:58,618 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:58,624 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:58,625 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:58,626 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:58,627 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-09-16 17:27:58,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c05cb39/a07347a8d8a8417c9d0c1cc5038d50e8/FLAG8473aae1e [2019-09-16 17:27:59,160 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:59,161 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c [2019-09-16 17:27:59,169 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c05cb39/a07347a8d8a8417c9d0c1cc5038d50e8/FLAG8473aae1e [2019-09-16 17:27:59,517 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/53c05cb39/a07347a8d8a8417c9d0c1cc5038d50e8 [2019-09-16 17:27:59,528 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:59,530 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:59,531 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:59,531 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:59,534 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:59,535 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,538 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5bfbc2c0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59, skipping insertion in model container [2019-09-16 17:27:59,538 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,546 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:59,566 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:59,746 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:59,753 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:59,769 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:59,780 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:59,781 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59 WrapperNode [2019-09-16 17:27:59,781 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:59,781 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:59,782 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:59,782 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:59,890 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,890 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,898 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,898 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,902 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,908 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (1/1) ... [2019-09-16 17:27:59,911 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:59,912 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:59,912 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:59,912 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:59,913 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:59" (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 [2019-09-16 17:27:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:59,972 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:59,972 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:27:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:59,973 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:00,176 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:00,176 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:28:00,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:00 BoogieIcfgContainer [2019-09-16 17:28:00,178 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:00,178 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:00,179 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:00,179 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:00,180 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:00" (1/1) ... [2019-09-16 17:28:00,220 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:00,298 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-16 17:28:00,802 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:00,831 INFO L272 AbstractInterpreter]: Visited 29 different actions 44 times. Merged at 9 different actions 9 times. Never widened. Performed 79 root evaluator evaluations with a maximum evaluation depth of 15. Performed 79 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 9 fixpoints after 6 different actions. Largest state had 5 variables. [2019-09-16 17:28:00,831 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:00,836 INFO L168 Benchmark]: Toolchain (without parser) took 1303.34 ms. Allocated memory was 130.5 MB in the beginning and 218.1 MB in the end (delta: 87.6 MB). Free memory was 85.8 MB in the beginning and 170.4 MB in the end (delta: -84.6 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:00,837 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 130.5 MB. Free memory is still 103.1 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:28:00,838 INFO L168 Benchmark]: CACSL2BoogieTranslator took 250.56 ms. Allocated memory is still 130.5 MB. Free memory was 85.4 MB in the beginning and 75.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:00,841 INFO L168 Benchmark]: Boogie Preprocessor took 129.93 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 75.8 MB in the beginning and 175.9 MB in the end (delta: -100.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:00,844 INFO L168 Benchmark]: RCFGBuilder took 266.00 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 162.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:00,845 INFO L168 Benchmark]: Abstract Interpretation took 652.84 ms. Allocated memory was 199.2 MB in the beginning and 218.1 MB in the end (delta: 18.9 MB). Free memory was 162.8 MB in the beginning and 170.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:00,859 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 130.5 MB. Free memory is still 103.1 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 250.56 ms. Allocated memory is still 130.5 MB. Free memory was 85.4 MB in the beginning and 75.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 9.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 129.93 ms. Allocated memory was 130.5 MB in the beginning and 199.2 MB in the end (delta: 68.7 MB). Free memory was 75.8 MB in the beginning and 175.9 MB in the end (delta: -100.1 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 266.00 ms. Allocated memory is still 199.2 MB. Free memory was 175.0 MB in the beginning and 162.8 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 652.84 ms. Allocated memory was 199.2 MB in the beginning and 218.1 MB in the end (delta: 18.9 MB). Free memory was 162.8 MB in the beginning and 170.4 MB in the end (delta: -7.6 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 8]: 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: [L13] unsigned int x; [L14] unsigned int y = 1; [L16] COND TRUE __VERIFIER_nondet_int() [L17] COND TRUE x % 3 == 1 [L18] x += 2 [L18] y = 0 [L16] COND FALSE !(__VERIFIER_nondet_int()) [L30] COND TRUE y == 0 [L31] CALL __VERIFIER_assert(x % 3 == 0) [L7] COND TRUE !(cond) [L8] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...