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/nla-digbench/cohencu.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:27:26,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:26,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:26,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:27:26,834 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:27:26,835 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:27:26,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:27:26,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:27:26,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:27:26,841 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:27:26,842 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:27:26,843 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:27:26,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:27:26,845 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:27:26,846 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:27:26,847 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:27:26,848 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:27:26,849 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:27:26,851 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:27:26,853 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:27:26,855 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:27:26,856 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:27:26,857 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:27:26,858 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:27:26,860 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:27:26,871 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 21:27:26,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:26,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:26,887 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:26,887 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:26,888 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:26,888 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:26,888 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:26,888 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:26,888 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:26,889 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:26,889 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:26,890 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:26,890 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:26,890 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:26,890 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:26,890 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:26,890 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:26,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:26,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:26,891 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:26,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:26,891 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:26,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:26,892 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:26,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:26,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:26,892 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:26,893 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:26,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:26,893 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:26,921 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:26,932 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:26,935 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:26,936 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:26,937 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:26,938 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/cohencu.c [2019-09-03 21:27:27,001 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c27f33f/cff914858bac44c6a845724b0a0aecdd/FLAGf2e225596 [2019-09-03 21:27:27,409 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:27,410 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/cohencu.c [2019-09-03 21:27:27,417 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c27f33f/cff914858bac44c6a845724b0a0aecdd/FLAGf2e225596 [2019-09-03 21:27:27,818 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e4c27f33f/cff914858bac44c6a845724b0a0aecdd [2019-09-03 21:27:27,827 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:27,829 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:27,830 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:27,830 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:27,834 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:27,835 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:27,838 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22d15e09 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:27, skipping insertion in model container [2019-09-03 21:27:27,838 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:27" (1/1) ... [2019-09-03 21:27:27,846 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:27,868 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:28,064 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:28,079 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:28,131 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:28,282 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:28,282 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28 WrapperNode [2019-09-03 21:27:28,283 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:28,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:28,287 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:28,287 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:28,302 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,318 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,318 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,330 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,339 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,350 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:28,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:28,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:28,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:28,353 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:28" (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 21:27:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:28,407 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:27:28,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-03 21:27:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-03 21:27:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:28,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:28,608 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:28,608 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:27:28,610 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:28 BoogieIcfgContainer [2019-09-03 21:27:28,610 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:28,611 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:28,611 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:28,611 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:28,612 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:28" (1/1) ... [2019-09-03 21:27:28,641 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:28,825 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:27:28,849 INFO L272 AbstractInterpreter]: Visited 18 different actions 24 times. Never merged. Never widened. Performed 20 root evaluator evaluations with a maximum evaluation depth of 9. Performed 20 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 7 variables. [2019-09-03 21:27:28,849 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:28,855 INFO L168 Benchmark]: Toolchain (without parser) took 1022.31 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 94.3 MB in the beginning and 158.4 MB in the end (delta: -64.1 MB). Peak memory consumption was 1.5 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:28,857 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 138.4 MB. Free memory was 112.6 MB in the beginning and 112.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:28,859 INFO L168 Benchmark]: CACSL2BoogieTranslator took 455.79 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 94.1 MB in the beginning and 181.7 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:28,861 INFO L168 Benchmark]: Boogie Preprocessor took 64.45 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 179.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:28,863 INFO L168 Benchmark]: RCFGBuilder took 258.83 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 167.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:28,864 INFO L168 Benchmark]: Abstract Interpretation took 239.03 ms. Allocated memory is still 203.9 MB. Free memory was 167.0 MB in the beginning and 158.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:28,875 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 138.4 MB. Free memory was 112.6 MB in the beginning and 112.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 455.79 ms. Allocated memory was 138.4 MB in the beginning and 203.9 MB in the end (delta: 65.5 MB). Free memory was 94.1 MB in the beginning and 181.7 MB in the end (delta: -87.7 MB). Peak memory consumption was 25.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 64.45 ms. Allocated memory is still 203.9 MB. Free memory was 181.7 MB in the beginning and 179.7 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 258.83 ms. Allocated memory is still 203.9 MB. Free memory was 179.7 MB in the beginning and 167.6 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 239.03 ms. Allocated memory is still 203.9 MB. Free memory was 167.0 MB in the beginning and 158.4 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 12]: 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: [L18] int a, n, x, y, z; [L19] a = __VERIFIER_nondet_int() [L20] n = 0 [L21] x = 0 [L22] y = 1 [L23] z = 6 [L25] COND TRUE 1 [L26] CALL __VERIFIER_assert(z == 6 * n + 6) [L10] COND TRUE !(cond) [L12] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...