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-acceleration/simple_3-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:14,037 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:14,039 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:14,053 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:26:14,053 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:26:14,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:26:14,056 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:26:14,058 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:26:14,060 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:26:14,061 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:26:14,062 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:26:14,063 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:26:14,063 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:14,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:14,065 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:14,066 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:14,067 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:14,068 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:14,070 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:14,072 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:14,073 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:14,074 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:14,075 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:14,076 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:14,078 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:14,081 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:14,082 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:14,083 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:14,083 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:14,086 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:14,087 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:14,088 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:14,088 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:14,088 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:14,089 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:14,090 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:14,091 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 21:26:14,118 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:14,118 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:14,119 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:14,119 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:14,120 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:14,120 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:14,120 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:14,121 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:14,121 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:14,121 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:14,124 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:14,124 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:14,124 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:14,125 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:14,125 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:14,125 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:14,125 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:14,125 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:14,126 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:14,126 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:14,126 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:14,126 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:14,126 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:14,127 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:14,127 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:14,127 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:14,127 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:14,128 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:14,128 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:14,128 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:14,184 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:14,196 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:14,200 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:14,202 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:14,202 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:14,203 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-03 21:26:14,271 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755959dc6/c4759d3df3bd4886a614be5c545f9a00/FLAG9cc66be15 [2019-09-03 21:26:14,788 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:14,789 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_3-1.c [2019-09-03 21:26:14,795 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755959dc6/c4759d3df3bd4886a614be5c545f9a00/FLAG9cc66be15 [2019-09-03 21:26:15,118 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/755959dc6/c4759d3df3bd4886a614be5c545f9a00 [2019-09-03 21:26:15,130 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:15,132 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:15,133 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:15,133 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:15,137 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:15,138 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,141 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b22340 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15, skipping insertion in model container [2019-09-03 21:26:15,141 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,149 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:15,167 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:15,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:15,341 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:15,364 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:15,382 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:15,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15 WrapperNode [2019-09-03 21:26:15,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:15,384 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:15,384 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:15,385 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:15,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,491 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,496 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,501 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,507 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,508 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:15,510 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:15,510 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:15,510 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:15,511 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:15" (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 21:26:15,562 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:15,563 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:15,564 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ushort [2019-09-03 21:26:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:15,564 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:15,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:15,726 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:15,727 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:15,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:15 BoogieIcfgContainer [2019-09-03 21:26:15,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:15,729 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:15,729 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:15,729 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:15,730 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:15" (1/1) ... [2019-09-03 21:26:15,758 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:15,828 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:26:17,002 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:17,025 INFO L272 AbstractInterpreter]: Visited 19 different actions 97 times. Merged at 4 different actions 24 times. Widened at 1 different actions 4 times. Performed 103 root evaluator evaluations with a maximum evaluation depth of 12. Performed 103 inverse root evaluator evaluations with a maximum inverse evaluation depth of 12. Found 7 fixpoints after 2 different actions. Largest state had 4 variables. [2019-09-03 21:26:17,025 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:17,030 INFO L168 Benchmark]: Toolchain (without parser) took 1895.47 ms. Allocated memory was 137.4 MB in the beginning and 264.8 MB in the end (delta: 127.4 MB). Free memory was 85.6 MB in the beginning and 99.6 MB in the end (delta: -14.0 MB). Peak memory consumption was 113.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:17,032 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:17,033 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.22 ms. Allocated memory is still 137.4 MB. Free memory was 85.4 MB in the beginning and 76.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:17,037 INFO L168 Benchmark]: Boogie Preprocessor took 125.10 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 76.3 MB in the beginning and 176.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:17,039 INFO L168 Benchmark]: RCFGBuilder took 218.66 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 165.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:17,041 INFO L168 Benchmark]: Abstract Interpretation took 1296.29 ms. Allocated memory was 198.7 MB in the beginning and 264.8 MB in the end (delta: 66.1 MB). Free memory was 165.8 MB in the beginning and 99.6 MB in the end (delta: 66.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:17,052 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 137.4 MB. Free memory was 103.9 MB in the beginning and 103.7 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.22 ms. Allocated memory is still 137.4 MB. Free memory was 85.4 MB in the beginning and 76.3 MB in the end (delta: 9.1 MB). Peak memory consumption was 9.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.10 ms. Allocated memory was 137.4 MB in the beginning and 198.7 MB in the end (delta: 61.3 MB). Free memory was 76.3 MB in the beginning and 176.3 MB in the end (delta: -100.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.66 ms. Allocated memory is still 198.7 MB. Free memory was 176.3 MB in the beginning and 165.8 MB in the end (delta: 10.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1296.29 ms. Allocated memory was 198.7 MB in the beginning and 264.8 MB in the end (delta: 66.1 MB). Free memory was 165.8 MB in the beginning and 99.6 MB in the end (delta: 66.3 MB). Peak memory consumption was 132.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L12] unsigned int x = 0; [L13] unsigned short N = __VERIFIER_nondet_ushort(); [L15] COND FALSE !(x < N) [L19] CALL __VERIFIER_assert(x % 2) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...