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 0.1.24-112bae1 [2019-09-11 16:13:41,208 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:13:41,210 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:13:41,222 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:13:41,232 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:13:41,233 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:13:41,234 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:13:41,235 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:13:41,236 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:13:41,237 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:13:41,239 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:13:41,241 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:13:41,243 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:13:41,244 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:13:41,245 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:13:41,246 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:13:41,249 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:13:41,260 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:13:41,261 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:13:41,262 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:13:41,264 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 16:13:41,294 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:13:41,294 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:13:41,295 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:13:41,296 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:13:41,297 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:13:41,297 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:13:41,297 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:13:41,298 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:13:41,298 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:13:41,298 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:13:41,299 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:13:41,299 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:13:41,299 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:13:41,299 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:13:41,300 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:13:41,300 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:13:41,300 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:13:41,300 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:13:41,300 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:13:41,301 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:13:41,301 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:13:41,302 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:13:41,303 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:13:41,303 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:13:41,303 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:13:41,303 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:13:41,304 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:13:41,304 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:13:41,304 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:13:41,304 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:13:41,361 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:13:41,380 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:13:41,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:13:41,385 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:13:41,386 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:13:41,387 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-11 16:13:41,445 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f1da829/b5fd16b6bf78497db18a9a4fa6eb6a9a/FLAG5296989a4 [2019-09-11 16:13:41,927 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:41,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-09-11 16:13:41,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f1da829/b5fd16b6bf78497db18a9a4fa6eb6a9a/FLAG5296989a4 [2019-09-11 16:13:42,278 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f7f1da829/b5fd16b6bf78497db18a9a4fa6eb6a9a [2019-09-11 16:13:42,294 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:42,296 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:42,300 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:42,300 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:42,304 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:42,305 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,308 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c559f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42, skipping insertion in model container [2019-09-11 16:13:42,308 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,316 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:42,335 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:42,519 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:42,526 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:42,562 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:42,574 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:42,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42 WrapperNode [2019-09-11 16:13:42,574 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:42,575 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:42,575 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:42,575 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:42,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,685 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,696 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,696 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,707 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,709 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:42,716 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:42,716 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:42,716 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:42,717 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:42" (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 16:13:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:42,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:42,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:13:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:42,766 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:42,969 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:42,969 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:13:42,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:42 BoogieIcfgContainer [2019-09-11 16:13:42,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:42,971 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:42,972 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:42,972 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:42,973 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:42" (1/1) ... [2019-09-11 16:13:42,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:43,089 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-11 16:13:43,380 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-11 16:13:43,401 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. [2019-09-11 16:13:43,401 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:43,405 INFO L168 Benchmark]: Toolchain (without parser) took 1107.83 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 88.0 MB in the beginning and 116.0 MB in the end (delta: -28.0 MB). Peak memory consumption was 34.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,406 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 136.8 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 274.68 ms. Allocated memory is still 136.8 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,408 INFO L168 Benchmark]: Boogie Preprocessor took 134.69 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 78.3 MB in the beginning and 177.3 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,409 INFO L168 Benchmark]: RCFGBuilder took 254.82 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 165.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,410 INFO L168 Benchmark]: Abstract Interpretation took 430.18 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 116.0 MB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,415 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 136.8 MB. Free memory was 106.0 MB in the beginning and 105.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 274.68 ms. Allocated memory is still 136.8 MB. Free memory was 87.8 MB in the beginning and 78.3 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 134.69 ms. Allocated memory was 136.8 MB in the beginning and 199.8 MB in the end (delta: 62.9 MB). Free memory was 78.3 MB in the beginning and 177.3 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.82 ms. Allocated memory is still 199.8 MB. Free memory was 177.3 MB in the beginning and 165.2 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 430.18 ms. Allocated memory is still 199.8 MB. Free memory was 165.2 MB in the beginning and 116.0 MB in the end (delta: 49.2 MB). Peak memory consumption was 49.2 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...