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.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:27:06,387 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:06,389 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:06,402 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:27:06,472 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 21:27:06,496 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:06,496 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:06,497 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:06,497 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:06,498 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:06,498 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:06,499 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:06,499 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:06,499 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:06,499 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:06,502 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:06,502 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:06,503 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:06,503 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:06,504 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:06,504 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:06,504 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:06,504 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:06,505 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:06,505 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:06,505 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:06,505 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:06,506 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:06,506 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:06,506 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:06,507 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:06,507 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:06,507 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:06,507 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:06,508 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:06,564 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:06,586 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:06,590 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:06,592 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:06,593 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:06,594 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-03 21:27:06,672 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9c3f83c/3e15095cf36740b58c07a9e497616f9e/FLAGbfcfc030d [2019-09-03 21:27:07,132 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:07,133 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-03 21:27:07,142 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9c3f83c/3e15095cf36740b58c07a9e497616f9e/FLAGbfcfc030d [2019-09-03 21:27:07,633 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9c9c3f83c/3e15095cf36740b58c07a9e497616f9e [2019-09-03 21:27:07,644 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:07,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:07,646 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:07,646 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:07,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:07,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:07,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cee7410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07, skipping insertion in model container [2019-09-03 21:27:07,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:07,663 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:07,681 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:07,857 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:07,861 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:07,884 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:07,898 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:07,899 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07 WrapperNode [2019-09-03 21:27:07,899 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:07,899 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:07,900 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:07,900 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:08,010 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:08,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:08,021 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:08,021 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:08,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:08,027 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:08,028 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (1/1) ... [2019-09-03 21:27:08,030 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:08,030 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:08,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:08,031 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:08,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:07" (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 21:27:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:08,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:08,088 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:27:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:08,088 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:08,302 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:08,302 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-03 21:27:08,305 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:08 BoogieIcfgContainer [2019-09-03 21:27:08,305 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:08,306 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:08,306 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:08,307 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:08,308 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:08" (1/1) ... [2019-09-03 21:27:08,348 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:08,482 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:27:08,791 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:08,814 INFO L272 AbstractInterpreter]: Visited 24 different actions 37 times. Merged at 8 different actions 8 times. Never widened. Performed 112 root evaluator evaluations with a maximum evaluation depth of 13. Performed 112 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 9 fixpoints after 6 different actions. Largest state had 13 variables. [2019-09-03 21:27:08,815 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:08,820 INFO L168 Benchmark]: Toolchain (without parser) took 1171.90 ms. Allocated memory was 139.5 MB in the beginning and 198.2 MB in the end (delta: 58.7 MB). Free memory was 87.3 MB in the beginning and 113.6 MB in the end (delta: -26.4 MB). Peak memory consumption was 32.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:08,822 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:08,823 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.89 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 77.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:08,825 INFO L168 Benchmark]: Boogie Preprocessor took 130.64 ms. Allocated memory was 139.5 MB in the beginning and 198.2 MB in the end (delta: 58.7 MB). Free memory was 77.5 MB in the beginning and 175.7 MB in the end (delta: -98.2 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:08,827 INFO L168 Benchmark]: RCFGBuilder took 274.73 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 163.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:08,828 INFO L168 Benchmark]: Abstract Interpretation took 508.96 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 113.6 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:08,839 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 252.89 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 77.5 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.64 ms. Allocated memory was 139.5 MB in the beginning and 198.2 MB in the end (delta: 58.7 MB). Free memory was 77.5 MB in the beginning and 175.7 MB in the end (delta: -98.2 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 274.73 ms. Allocated memory is still 198.2 MB. Free memory was 175.7 MB in the beginning and 163.3 MB in the end (delta: 12.4 MB). Peak memory consumption was 12.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 508.96 ms. Allocated memory is still 198.2 MB. Free memory was 162.7 MB in the beginning and 113.6 MB in the end (delta: 49.1 MB). Peak memory consumption was 49.1 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 61]: 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: [L1] int __return_main; [L6] int __return_107; [L9] unsigned int main__x; [L10] unsigned int main__y = 1; [L12] int main____CPAchecker_TMP_0; [L13] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L14] COND TRUE !(main____CPAchecker_TMP_0 == 0) [L16] COND TRUE (main__x % 3) == 1 [L18] main__x = main__x + 2 [L19] main__y = 0 [L12] int main____CPAchecker_TMP_0; [L13] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L14] COND FALSE !(!(main____CPAchecker_TMP_0 == 0)) [L52] COND TRUE main__y == 0 [L55] int __tmp_1; [L56] __tmp_1 = (main__x % 3) == 0 [L57] int __VERIFIER_assert__cond; [L58] __VERIFIER_assert__cond = __tmp_1 [L59] COND TRUE __VERIFIER_assert__cond == 0 [L61] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...