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/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf --abstractinterpretationv2.abstract.domain IntervalDomain -i ../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:00,953 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:00,955 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:00,975 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:00,975 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:00,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:00,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:00,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:00,992 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:00,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:00,997 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:00,998 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:00,999 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:01,000 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:01,003 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:01,004 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:01,006 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:01,007 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:01,009 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:01,013 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:01,016 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:01,017 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:01,018 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:01,019 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:01,021 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:01,028 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:01,029 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:01,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:01,030 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-15 04:44:01,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:01,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:01,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:01,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:01,046 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:01,046 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:01,046 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:01,047 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:01,047 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:01,047 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:01,047 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:01,047 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:01,048 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:01,048 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:01,048 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:01,048 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:01,048 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:01,049 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:01,049 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:01,049 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:01,049 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:01,049 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:01,050 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:01,050 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:01,050 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:01,050 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:01,050 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:01,051 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:01,051 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-10-15 04:44:01,351 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:01,369 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:01,373 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:01,374 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:01,375 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:01,376 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-10-15 04:44:01,447 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4557091/689311b22c964117bd680e9c04d52455/FLAG5ce6eafd7 [2019-10-15 04:44:01,902 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:01,903 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+cfa-reducer.c [2019-10-15 04:44:01,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4557091/689311b22c964117bd680e9c04d52455/FLAG5ce6eafd7 [2019-10-15 04:44:02,255 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8b4557091/689311b22c964117bd680e9c04d52455 [2019-10-15 04:44:02,265 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:02,266 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:02,267 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:02,268 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:02,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:02,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,275 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e5f6572 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02, skipping insertion in model container [2019-10-15 04:44:02,275 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,283 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:02,307 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:02,475 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:02,479 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:02,497 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:02,511 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:02,511 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02 WrapperNode [2019-10-15 04:44:02,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:02,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:02,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:02,512 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:02,604 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,604 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,616 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,616 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,621 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,626 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:02,626 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:02,627 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:02,627 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:02,629 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:02" (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 [2019-10-15 04:44:02,688 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:02,689 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:02,689 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:02,893 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:02,893 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-10-15 04:44:02,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:02 BoogieIcfgContainer [2019-10-15 04:44:02,895 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:02,895 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:02,896 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:02,896 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:02,897 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:02" (1/1) ... [2019-10-15 04:44:02,920 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:03,009 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:03,299 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:03,320 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. [2019-10-15 04:44:03,320 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:03,324 INFO L168 Benchmark]: Toolchain (without parser) took 1055.50 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 101.3 MB in the beginning and 116.3 MB in the end (delta: -14.9 MB). Peak memory consumption was 48.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,325 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,327 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.13 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 91.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,329 INFO L168 Benchmark]: Boogie Preprocessor took 114.33 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 91.3 MB in the beginning and 177.9 MB in the end (delta: -86.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,331 INFO L168 Benchmark]: RCFGBuilder took 268.59 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 165.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,332 INFO L168 Benchmark]: Abstract Interpretation took 424.61 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 116.3 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:03,342 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 136.3 MB. Free memory was 119.6 MB in the beginning and 119.4 MB in the end (delta: 209.8 kB). Peak memory consumption was 209.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.13 ms. Allocated memory is still 136.3 MB. Free memory was 101.1 MB in the beginning and 91.3 MB in the end (delta: 9.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 114.33 ms. Allocated memory was 136.3 MB in the beginning and 199.8 MB in the end (delta: 63.4 MB). Free memory was 91.3 MB in the beginning and 177.9 MB in the end (delta: -86.6 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 268.59 ms. Allocated memory is still 199.8 MB. Free memory was 177.9 MB in the beginning and 165.9 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 424.61 ms. Allocated memory is still 199.8 MB. Free memory was 165.9 MB in the beginning and 116.3 MB in the end (delta: 49.6 MB). Peak memory consumption was 49.6 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...