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-lit/cggmp2005_variant.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:38:37,864 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:38:37,866 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:38:37,883 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:38:37,907 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:38:37,909 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:38:37,911 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:38:37,912 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:38:37,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:38:37,916 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:38:37,918 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:38:37,923 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:38:37,928 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:38:37,930 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:38:37,933 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:38:37,933 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:38:37,936 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:38:37,946 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 [2019-10-03 12:38:37,960 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:38:37,961 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:38:37,961 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:38:37,961 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:38:37,962 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:38:37,962 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:38:37,962 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:38:37,963 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:38:37,963 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:38:37,963 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:38:37,964 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:38:37,964 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:38:37,964 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:38:37,964 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:38:37,965 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:38:37,965 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:38:37,965 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:38:37,965 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:38:37,965 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:38:37,966 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:38:37,966 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:38:37,966 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:38:37,966 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:38:37,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:38:37,967 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:38:37,967 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:38:37,967 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:38:37,967 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:38:37,968 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:38:37,968 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:38:37,996 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:38:38,009 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:38:38,013 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:38:38,015 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:38:38,016 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:38:38,016 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2019-10-03 12:38:38,084 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16bddeb8/0d9a42c0a8994f2ab2d1ff7bee6b0371/FLAGde079874b [2019-10-03 12:38:38,505 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:38:38,506 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-lit/cggmp2005_variant.i [2019-10-03 12:38:38,512 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16bddeb8/0d9a42c0a8994f2ab2d1ff7bee6b0371/FLAGde079874b [2019-10-03 12:38:38,933 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b16bddeb8/0d9a42c0a8994f2ab2d1ff7bee6b0371 [2019-10-03 12:38:38,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:38:38,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:38:38,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:38,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:38:38,950 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:38:38,952 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:38" (1/1) ... [2019-10-03 12:38:38,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e0195cd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:38, skipping insertion in model container [2019-10-03 12:38:38,955 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:38:38" (1/1) ... [2019-10-03 12:38:38,963 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:38:38,980 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:38:39,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:39,169 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:38:39,187 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:38:39,207 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:38:39,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39 WrapperNode [2019-10-03 12:38:39,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:38:39,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:38:39,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:38:39,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:38:39,307 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,308 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,312 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,312 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,315 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,318 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,320 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:38:39,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:38:39,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:38:39,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:38:39,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:38:39" (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 [2019-10-03 12:38:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:38:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:38:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 12:38:39,375 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:38:39,375 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:38:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 12:38:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 12:38:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:38:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:38:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:38:39,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:38:39,537 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:38:39,538 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:38:39,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:39 BoogieIcfgContainer [2019-10-03 12:38:39,539 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:38:39,540 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:38:39,540 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:38:39,540 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:38:39,541 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:38:39" (1/1) ... [2019-10-03 12:38:39,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:38:39,817 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-03 12:38:39,841 INFO L272 AbstractInterpreter]: Visited 22 different actions 97 times. Merged at 5 different actions 28 times. Widened at 1 different actions 3 times. Performed 123 root evaluator evaluations with a maximum evaluation depth of 6. Performed 123 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 7 fixpoints after 2 different actions. Largest state had 5 variables. [2019-10-03 12:38:39,841 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:38:39,844 INFO L168 Benchmark]: Toolchain (without parser) took 897.52 ms. Allocated memory was 137.4 MB in the beginning and 196.1 MB in the end (delta: 58.7 MB). Free memory was 84.7 MB in the beginning and 150.4 MB in the end (delta: -65.6 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:38:39,846 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:38:39,847 INFO L168 Benchmark]: CACSL2BoogieTranslator took 261.17 ms. Allocated memory is still 137.4 MB. Free memory was 84.5 MB in the beginning and 74.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:39,849 INFO L168 Benchmark]: Boogie Preprocessor took 112.11 ms. Allocated memory was 137.4 MB in the beginning and 196.1 MB in the end (delta: 58.7 MB). Free memory was 74.9 MB in the beginning and 174.0 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:39,850 INFO L168 Benchmark]: RCFGBuilder took 218.69 ms. Allocated memory is still 196.1 MB. Free memory was 174.0 MB in the beginning and 162.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:39,851 INFO L168 Benchmark]: Abstract Interpretation took 301.51 ms. Allocated memory is still 196.1 MB. Free memory was 162.1 MB in the beginning and 150.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-10-03 12:38:39,855 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 137.4 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 261.17 ms. Allocated memory is still 137.4 MB. Free memory was 84.5 MB in the beginning and 74.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 112.11 ms. Allocated memory was 137.4 MB in the beginning and 196.1 MB in the end (delta: 58.7 MB). Free memory was 74.9 MB in the beginning and 174.0 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 218.69 ms. Allocated memory is still 196.1 MB. Free memory was 174.0 MB in the beginning and 162.1 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 301.51 ms. Allocated memory is still 196.1 MB. Free memory was 162.1 MB in the beginning and 150.4 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 5]: 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: [L11] int lo, mid, hi; [L12] lo = 0 [L13] mid = __VERIFIER_nondet_int() [L14] COND FALSE !(!(mid > 0 && mid <= 1000000)) [L15] hi = 2*mid [L16] COND TRUE mid > 0 [L17] lo = lo + 1 [L18] hi = hi - 1 [L19] mid = mid - 1 [L16] COND FALSE !(mid > 0) [L21] CALL __VERIFIER_assert(lo == hi) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...