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/trex01-2.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:25:50,311 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:25:50,313 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:25:50,325 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:25:50,335 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:25:50,336 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:25:50,337 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:25:50,338 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:25:50,339 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:25:50,340 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:25:50,342 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:25:50,344 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:25:50,345 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:25:50,347 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:25:50,348 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:25:50,349 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:25:50,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:25:50,354 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:25:50,355 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:25:50,356 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:25:50,356 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:25:50,357 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:25:50,358 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:25:50,358 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:25:50,358 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:25:50,359 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:25:50,359 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:25:50,360 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:25:50,361 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 [2019-09-03 21:25:50,375 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:25:50,376 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:25:50,376 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:25:50,376 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:25:50,377 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:25:50,377 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:25:50,377 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:25:50,378 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:25:50,378 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:25:50,378 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:25:50,379 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:25:50,379 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:25:50,379 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:25:50,379 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:25:50,380 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:25:50,380 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:25:50,380 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:25:50,380 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:25:50,380 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:25:50,381 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:25:50,381 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:25:50,381 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:25:50,381 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:25:50,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:25:50,382 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:25:50,382 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:25:50,382 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:25:50,382 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:25:50,382 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:25:50,383 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:25:50,411 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:25:50,424 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:25:50,427 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:25:50,428 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:25:50,429 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:25:50,429 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex01-2.i [2019-09-03 21:25:50,490 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89e4b207d/298038c2e18947b8be38c99987e33599/FLAG8a04ecc49 [2019-09-03 21:25:50,943 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:25:50,944 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex01-2.i [2019-09-03 21:25:50,950 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89e4b207d/298038c2e18947b8be38c99987e33599/FLAG8a04ecc49 [2019-09-03 21:25:51,351 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/89e4b207d/298038c2e18947b8be38c99987e33599 [2019-09-03 21:25:51,360 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:25:51,362 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:25:51,363 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:51,363 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:25:51,367 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:25:51,368 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,371 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6595b9fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51, skipping insertion in model container [2019-09-03 21:25:51,372 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,380 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:25:51,399 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:25:51,615 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:51,625 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:25:51,657 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:25:51,668 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:25:51,669 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51 WrapperNode [2019-09-03 21:25:51,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:25:51,670 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:25:51,670 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:25:51,670 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:25:51,779 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,779 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,787 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,794 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (1/1) ... [2019-09-03 21:25:51,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:25:51,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:25:51,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:25:51,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:25:51,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:25:51" (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 [2019-09-03 21:25:51,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:25:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:25:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:25:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-09-03 21:25:51,866 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:25:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:25:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:25:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:25:51,866 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-09-03 21:25:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:25:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-09-03 21:25:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:25:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:25:51,867 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:25:52,163 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:25:52,170 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-03 21:25:52,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:52 BoogieIcfgContainer [2019-09-03 21:25:52,172 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:25:52,173 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:25:52,175 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:25:52,176 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:25:52,176 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:25:52" (1/1) ... [2019-09-03 21:25:52,207 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:25:52,276 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:25:52,664 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:25:52,687 INFO L272 AbstractInterpreter]: Visited 42 different actions 429 times. Merged at 12 different actions 162 times. Widened at 3 different actions 18 times. Performed 727 root evaluator evaluations with a maximum evaluation depth of 5. Performed 727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 5. Found 99 fixpoints after 9 different actions. Largest state had 12 variables. [2019-09-03 21:25:52,687 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:25:52,693 INFO L168 Benchmark]: Toolchain (without parser) took 1327.44 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 87.8 MB in the beginning and 133.6 MB in the end (delta: -45.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:52,694 INFO L168 Benchmark]: CDTParser took 0.21 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. [2019-09-03 21:25:52,696 INFO L168 Benchmark]: CACSL2BoogieTranslator took 306.15 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 77.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:52,698 INFO L168 Benchmark]: Boogie Preprocessor took 135.72 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 77.9 MB in the beginning and 176.6 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:52,700 INFO L168 Benchmark]: RCFGBuilder took 366.58 ms. Allocated memory is still 200.3 MB. Free memory was 176.6 MB in the beginning and 162.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:52,701 INFO L168 Benchmark]: Abstract Interpretation took 514.72 ms. Allocated memory is still 200.3 MB. Free memory was 162.2 MB in the beginning and 133.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 MB. Max. memory is 7.1 GB. [2019-09-03 21:25:52,706 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 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 306.15 ms. Allocated memory is still 132.1 MB. Free memory was 87.6 MB in the beginning and 77.9 MB in the end (delta: 9.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.72 ms. Allocated memory was 132.1 MB in the beginning and 200.3 MB in the end (delta: 68.2 MB). Free memory was 77.9 MB in the beginning and 176.6 MB in the end (delta: -98.8 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 366.58 ms. Allocated memory is still 200.3 MB. Free memory was 176.6 MB in the beginning and 162.2 MB in the end (delta: 14.4 MB). Peak memory consumption was 14.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 514.72 ms. Allocated memory is still 200.3 MB. Free memory was 162.2 MB in the beginning and 133.6 MB in the end (delta: 28.6 MB). Peak memory consumption was 28.6 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: [L35] _Bool c = __VERIFIER_nondet_bool(); [L36] COND TRUE \read(c) [L37] CALL f(1) [L12] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L12] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L12] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L12] int x = __VERIFIER_nondet_int(), y = __VERIFIER_nondet_int(), k = __VERIFIER_nondet_int(), z = 1; [L14] COND FALSE !(!(k <= 1073741823)) [L16] COND FALSE !(z < k) [L17] CALL __VERIFIER_assert(z>=1) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...