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/lcm1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:28:06,929 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:28:06,932 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:28:06,943 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-16 17:28:06,944 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-16 17:28:06,945 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-16 17:28:06,946 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-16 17:28:06,948 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-16 17:28:06,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-16 17:28:06,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-16 17:28:06,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-16 17:28:06,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-16 17:28:06,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:28:06,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:28:06,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:28:06,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:28:06,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:28:06,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:28:06,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:28:06,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:28:06,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:28:06,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:28:06,967 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:28:06,968 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:28:06,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:28:06,983 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 [2019-09-16 17:28:06,998 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:28:06,998 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:28:06,998 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:28:06,998 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:28:06,999 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:28:06,999 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:28:06,999 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:28:07,000 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:28:07,000 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:28:07,000 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:28:07,001 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:28:07,001 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:28:07,001 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:28:07,001 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:28:07,002 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:28:07,002 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:28:07,002 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:28:07,002 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:28:07,003 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:28:07,003 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:28:07,003 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:28:07,003 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:28:07,003 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:28:07,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:28:07,004 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:28:07,004 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:28:07,004 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:28:07,004 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:28:07,005 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:28:07,005 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:28:07,035 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:28:07,053 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:28:07,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:28:07,061 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:28:07,061 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:28:07,062 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/nla-digbench/lcm1.c [2019-09-16 17:28:07,136 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04db810fa/54be676a833449cb8ebb2b9cdb86a09f/FLAG6246a1cae [2019-09-16 17:28:07,622 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:28:07,623 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/nla-digbench/lcm1.c [2019-09-16 17:28:07,631 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04db810fa/54be676a833449cb8ebb2b9cdb86a09f/FLAG6246a1cae [2019-09-16 17:28:07,984 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/04db810fa/54be676a833449cb8ebb2b9cdb86a09f [2019-09-16 17:28:07,993 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:28:07,994 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:28:07,995 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:07,995 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:28:07,999 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:28:08,000 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:07" (1/1) ... [2019-09-16 17:28:08,003 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7beae26e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08, skipping insertion in model container [2019-09-16 17:28:08,003 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:28:07" (1/1) ... [2019-09-16 17:28:08,011 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:28:08,029 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:28:08,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:08,236 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:28:08,259 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:28:08,274 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:28:08,274 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08 WrapperNode [2019-09-16 17:28:08,275 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:28:08,275 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:28:08,275 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:28:08,276 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:28:08,387 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,389 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,393 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,393 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,397 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,405 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:28:08,406 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:28:08,406 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:28:08,406 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:28:08,407 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:28:08" (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 [2019-09-16 17:28:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:28:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:28:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:28:08,467 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:28:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:28:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-16 17:28:08,467 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-16 17:28:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:28:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:28:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:28:08,468 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:28:08,712 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:28:08,713 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-09-16 17:28:08,715 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:08 BoogieIcfgContainer [2019-09-16 17:28:08,715 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:28:08,721 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:28:08,721 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:28:08,721 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:28:08,725 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:28:08" (1/1) ... [2019-09-16 17:28:08,761 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:28:08,911 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-16 17:28:08,930 INFO L272 AbstractInterpreter]: Visited 16 different actions 16 times. Never merged. Never widened. Performed 31 root evaluator evaluations with a maximum evaluation depth of 7. Performed 31 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Never found a fixpoint. Largest state had 9 variables. [2019-09-16 17:28:08,930 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:28:08,933 INFO L168 Benchmark]: Toolchain (without parser) took 937.74 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 87.5 MB in the beginning and 153.7 MB in the end (delta: -66.2 MB). Peak memory consumption was 1.4 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:08,935 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:28:08,936 INFO L168 Benchmark]: CACSL2BoogieTranslator took 279.78 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:08,938 INFO L168 Benchmark]: Boogie Preprocessor took 130.17 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.1 MB in the beginning and 175.6 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:08,939 INFO L168 Benchmark]: RCFGBuilder took 309.25 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 162.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:08,940 INFO L168 Benchmark]: Abstract Interpretation took 209.83 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 153.7 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.7 MB. Max. memory is 7.1 GB. [2019-09-16 17:28:08,944 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 131.6 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 279.78 ms. Allocated memory is still 131.6 MB. Free memory was 87.3 MB in the beginning and 77.1 MB in the end (delta: 10.1 MB). Peak memory consumption was 10.1 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 130.17 ms. Allocated memory was 131.6 MB in the beginning and 199.2 MB in the end (delta: 67.6 MB). Free memory was 77.1 MB in the beginning and 175.6 MB in the end (delta: -98.5 MB). Peak memory consumption was 16.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 309.25 ms. Allocated memory is still 199.2 MB. Free memory was 175.6 MB in the beginning and 162.4 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 209.83 ms. Allocated memory is still 199.2 MB. Free memory was 162.4 MB in the beginning and 153.7 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, b; [L19] int x, y, u, v; [L20] a = __VERIFIER_nondet_int() [L21] b = __VERIFIER_nondet_int() [L25] x = a [L26] y = b [L27] u = b [L28] v = 0 [L30] COND TRUE 1 [L31] CALL __VERIFIER_assert(x*u + y*v == a*b) [L10] COND TRUE !(cond) [L12] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...