/usr/bin/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+sep-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 06:57:21,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 06:57:21,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 06:57:21,470 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 06:57:21,470 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 06:57:21,472 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 06:57:21,474 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 06:57:21,483 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 06:57:21,487 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 06:57:21,490 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 06:57:21,492 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 06:57:21,494 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 06:57:21,494 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 06:57:21,496 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 06:57:21,497 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 06:57:21,499 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 06:57:21,501 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 06:57:21,501 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 06:57:21,503 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 06:57:21,507 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 06:57:21,512 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 06:57:21,515 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 06:57:21,519 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 06:57:21,519 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 06:57:21,522 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-11-07 06:57:21,532 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 06:57:21,533 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 06:57:21,534 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 06:57:21,535 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 [2019-11-07 06:57:21,562 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 06:57:21,562 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 06:57:21,563 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 06:57:21,564 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 06:57:21,564 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 06:57:21,564 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 06:57:21,564 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 06:57:21,565 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 06:57:21,565 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 06:57:21,565 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 06:57:21,565 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 06:57:21,565 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 06:57:21,565 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 06:57:21,566 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 06:57:21,566 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 06:57:21,566 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 06:57:21,566 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 06:57:21,566 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 06:57:21,567 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 06:57:21,567 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 06:57:21,567 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 06:57:21,567 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 06:57:21,568 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 06:57:21,568 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 06:57:21,568 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 06:57:21,568 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 06:57:21,568 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 06:57:21,569 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 06:57:21,569 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain [2019-11-07 06:57:21,842 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 06:57:21,856 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 06:57:21,859 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 06:57:21,860 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 06:57:21,861 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 06:57:21,862 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-11-07 06:57:21,938 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa161f3e8/bc68466733e547cfa78640c51ff8017d/FLAG2e1367f90 [2019-11-07 06:57:22,396 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 06:57:22,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/mod3.c.v+sep-reducer.c [2019-11-07 06:57:22,404 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa161f3e8/bc68466733e547cfa78640c51ff8017d/FLAG2e1367f90 [2019-11-07 06:57:22,786 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa161f3e8/bc68466733e547cfa78640c51ff8017d [2019-11-07 06:57:22,795 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 06:57:22,797 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 06:57:22,798 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:22,798 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 06:57:22,801 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 06:57:22,802 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,805 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6170030d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:22, skipping insertion in model container [2019-11-07 06:57:22,805 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 06:57:22" (1/1) ... [2019-11-07 06:57:22,812 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 06:57:22,836 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 06:57:23,011 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:23,016 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 06:57:23,041 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 06:57:23,053 INFO L192 MainTranslator]: Completed translation [2019-11-07 06:57:23,053 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23 WrapperNode [2019-11-07 06:57:23,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 06:57:23,054 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 06:57:23,054 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 06:57:23,054 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 06:57:23,150 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,150 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,156 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,156 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,168 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,173 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,177 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 06:57:23,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 06:57:23,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 06:57:23,180 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 06:57:23,181 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 06:57:23" (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 [2019-11-07 06:57:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 06:57:23,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 06:57:23,237 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 06:57:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 06:57:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 06:57:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-11-07 06:57:23,237 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 06:57:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 06:57:23,238 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 06:57:23,483 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 06:57:23,484 INFO L284 CfgBuilder]: Removed 0 assume(true) statements. [2019-11-07 06:57:23,485 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:23 BoogieIcfgContainer [2019-11-07 06:57:23,485 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 06:57:23,486 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-11-07 06:57:23,486 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-11-07 06:57:23,486 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-11-07 06:57:23,487 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 06:57:23" (1/1) ... [2019-11-07 06:57:23,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-11-07 06:57:23,656 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-11-07 06:57:25,103 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-11-07 06:57:25,125 INFO L272 AbstractInterpreter]: Visited 37 different actions 298 times. Merged at 29 different actions 187 times. Widened at 5 different actions 7 times. Performed 1352 root evaluator evaluations with a maximum evaluation depth of 13. Performed 1352 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 75 fixpoints after 16 different actions. Largest state had 29 variables. [2019-11-07 06:57:25,126 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-11-07 06:57:25,130 INFO L168 Benchmark]: Toolchain (without parser) took 2330.71 ms. Allocated memory was 146.3 MB in the beginning and 246.4 MB in the end (delta: 100.1 MB). Free memory was 103.2 MB in the beginning and 107.2 MB in the end (delta: -4.0 MB). Peak memory consumption was 96.1 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:25,132 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. [2019-11-07 06:57:25,133 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.84 ms. Allocated memory is still 146.3 MB. Free memory was 102.8 MB in the beginning and 91.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:25,135 INFO L168 Benchmark]: Boogie Preprocessor took 125.26 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.8 MB in the beginning and 181.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:25,137 INFO L168 Benchmark]: RCFGBuilder took 305.45 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 166.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:25,138 INFO L168 Benchmark]: Abstract Interpretation took 1640.21 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 166.3 MB in the beginning and 107.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB. [2019-11-07 06:57:25,149 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 146.3 MB. Free memory was 121.4 MB in the beginning and 121.2 MB in the end (delta: 210.1 kB). Peak memory consumption was 210.1 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 255.84 ms. Allocated memory is still 146.3 MB. Free memory was 102.8 MB in the beginning and 91.8 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 125.26 ms. Allocated memory was 146.3 MB in the beginning and 203.9 MB in the end (delta: 57.7 MB). Free memory was 91.8 MB in the beginning and 181.6 MB in the end (delta: -89.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 305.45 ms. Allocated memory is still 203.9 MB. Free memory was 181.6 MB in the beginning and 166.3 MB in the end (delta: 15.3 MB). Peak memory consumption was 15.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 1640.21 ms. Allocated memory was 203.9 MB in the beginning and 246.4 MB in the end (delta: 42.5 MB). Free memory was 166.3 MB in the beginning and 107.2 MB in the end (delta: 59.1 MB). Peak memory consumption was 101.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 95]: 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 __tmp_31_0; [L7] int __tmp_28_0; [L8] int __return_65; [L9] int __tmp_22_0; [L10] int __tmp_22_1; [L11] int __tmp_25_0; [L12] int __tmp_25_1; [L15] unsigned int main__x; [L16] unsigned int main__y = 1; [L18] int main____CPAchecker_TMP_0; [L19] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L20] COND TRUE !(main____CPAchecker_TMP_0 == 0) [L22] COND TRUE (main__x % 3) == 1 [L24] main__x = main__x + 2 [L25] main__y = 0 [L26] __tmp_31_0 = main____CPAchecker_TMP_0 [L28] main____CPAchecker_TMP_0 = __tmp_31_0 [L41] int main____CPAchecker_TMP_0; [L42] main____CPAchecker_TMP_0 = __VERIFIER_nondet_int() [L43] COND FALSE !(!(main____CPAchecker_TMP_0 == 0)) [L86] COND TRUE main__y == 0 [L89] int __tmp_1; [L90] __tmp_1 = (main__x % 3) == 0 [L91] int __VERIFIER_assert__cond; [L92] __VERIFIER_assert__cond = __tmp_1 [L93] COND TRUE __VERIFIER_assert__cond == 0 [L95] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...