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/loops/trex03-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:40,870 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:40,874 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:40,893 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:40,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:40,895 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:40,897 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:40,908 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:40,912 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:40,916 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:40,918 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:40,920 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:40,920 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:40,922 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:40,925 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:40,926 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:40,928 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:40,929 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:40,930 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:40,935 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:40,938 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:40,939 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:40,941 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:40,943 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:40,945 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:40,956 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:40,957 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:40,958 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:40,959 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 04:44:40,987 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:40,988 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:40,989 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:40,989 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:40,989 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:40,990 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:40,990 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:40,990 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:40,990 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:40,990 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:40,991 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:40,991 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:40,991 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:40,991 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:40,991 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:40,992 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:40,992 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:40,992 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:40,992 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:40,993 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:40,993 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:40,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:40,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:40,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:40,994 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:40,994 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:40,994 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:40,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:40,994 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 04:44:41,273 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:41,290 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:41,294 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:41,295 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:41,296 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:41,297 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/trex03-1.c [2019-10-15 04:44:41,374 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a08a4f4/d90da5275f314dd38d8f3bfed3d63a80/FLAGb08069a05 [2019-10-15 04:44:41,815 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:41,816 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/trex03-1.c [2019-10-15 04:44:41,822 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a08a4f4/d90da5275f314dd38d8f3bfed3d63a80/FLAGb08069a05 [2019-10-15 04:44:42,183 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/93a08a4f4/d90da5275f314dd38d8f3bfed3d63a80 [2019-10-15 04:44:42,192 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:42,194 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:42,195 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:42,195 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:42,199 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:42,200 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a499990 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42, skipping insertion in model container [2019-10-15 04:44:42,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,210 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:42,228 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:42,408 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:42,412 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:42,429 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:42,441 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:42,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42 WrapperNode [2019-10-15 04:44:42,441 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:42,442 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:42,442 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:42,442 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:42,452 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,452 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,545 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,546 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,551 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,554 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,555 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,557 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:42,557 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:42,557 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:42,558 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:42,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:42" (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 04:44:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:42,614 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:42,614 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-10-15 04:44:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-15 04:44:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:42,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:42,830 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:42,831 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:42,841 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:42 BoogieIcfgContainer [2019-10-15 04:44:42,842 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:42,844 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:42,844 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:42,844 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:42,849 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:42" (1/1) ... [2019-10-15 04:44:42,894 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:42,982 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-10-15 04:44:43,160 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:43,183 INFO L272 AbstractInterpreter]: Visited 25 different actions 25 times. Never merged. Never widened. Performed 29 root evaluator evaluations with a maximum evaluation depth of 10. Performed 29 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 3 different actions. Largest state had 16 variables. [2019-10-15 04:44:43,183 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:43,188 INFO L168 Benchmark]: Toolchain (without parser) took 991.31 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 100.7 MB in the beginning and 141.9 MB in the end (delta: -41.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:43,189 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2019-10-15 04:44:43,190 INFO L168 Benchmark]: CACSL2BoogieTranslator took 246.63 ms. Allocated memory is still 137.9 MB. Free memory was 100.5 MB in the beginning and 90.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:43,192 INFO L168 Benchmark]: Boogie Preprocessor took 115.19 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 90.9 MB in the beginning and 179.2 MB in the end (delta: -88.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:43,193 INFO L168 Benchmark]: RCFGBuilder took 284.43 ms. Allocated memory is still 200.3 MB. Free memory was 178.5 MB in the beginning and 166.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:43,194 INFO L168 Benchmark]: Abstract Interpretation took 339.80 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 141.9 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:43,199 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 137.9 MB. Free memory was 118.8 MB in the beginning and 118.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 246.63 ms. Allocated memory is still 137.9 MB. Free memory was 100.5 MB in the beginning and 90.9 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 115.19 ms. Allocated memory was 137.9 MB in the beginning and 200.3 MB in the end (delta: 62.4 MB). Free memory was 90.9 MB in the beginning and 179.2 MB in the end (delta: -88.3 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 284.43 ms. Allocated memory is still 200.3 MB. Free memory was 178.5 MB in the beginning and 166.6 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 339.80 ms. Allocated memory is still 200.3 MB. Free memory was 166.6 MB in the beginning and 141.9 MB in the end (delta: 24.7 MB). Peak memory consumption was 24.7 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: [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L15] unsigned int x1=__VERIFIER_nondet_uint(), x2=__VERIFIER_nondet_uint(), x3=__VERIFIER_nondet_uint(); [L16] unsigned int d1=1, d2=1, d3=1; [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L17] _Bool c1=__VERIFIER_nondet_bool(), c2=__VERIFIER_nondet_bool(); [L19] COND FALSE !(x1>0 && x2>0 && x3>0) [L28] CALL __VERIFIER_assert(x1==0 && x2==0 && x3==0) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...