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/for_infinite_loop_2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-13a467a-m [2019-10-15 04:44:27,823 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-15 04:44:27,826 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-15 04:44:27,844 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-15 04:44:27,844 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-15 04:44:27,846 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-15 04:44:27,848 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-15 04:44:27,858 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-15 04:44:27,862 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-15 04:44:27,865 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-15 04:44:27,867 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-15 04:44:27,869 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-15 04:44:27,869 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-15 04:44:27,871 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-15 04:44:27,874 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-15 04:44:27,875 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-15 04:44:27,877 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-15 04:44:27,877 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-15 04:44:27,879 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-15 04:44:27,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-15 04:44:27,890 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-15 04:44:27,893 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-15 04:44:27,896 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-15 04:44:27,897 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-15 04:44:27,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-15 04:44:27,910 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-15 04:44:27,910 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-15 04:44:27,912 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-15 04:44:27,913 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 04:44:27,944 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-15 04:44:27,947 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-15 04:44:27,949 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-15 04:44:27,949 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-15 04:44:27,951 INFO L138 SettingsManager]: * Use SBE=true [2019-10-15 04:44:27,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-15 04:44:27,952 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-15 04:44:27,952 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-15 04:44:27,952 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-15 04:44:27,952 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-15 04:44:27,953 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-15 04:44:27,953 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-15 04:44:27,953 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-15 04:44:27,953 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-15 04:44:27,953 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-15 04:44:27,954 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-15 04:44:27,954 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-15 04:44:27,954 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-15 04:44:27,954 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-15 04:44:27,954 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-15 04:44:27,954 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-15 04:44:27,955 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-15 04:44:27,955 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-15 04:44:27,956 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-15 04:44:27,956 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-15 04:44:27,957 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-15 04:44:27,957 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-15 04:44:27,957 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-15 04:44:27,957 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 04:44:28,231 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-15 04:44:28,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-15 04:44:28,254 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-15 04:44:28,255 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-15 04:44:28,256 INFO L275 PluginConnector]: CDTParser initialized [2019-10-15 04:44:28,256 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/for_infinite_loop_2.c [2019-10-15 04:44:28,333 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b58a155/0250a58dd36f4469b9f262623f39b229/FLAG86bc47dbc [2019-10-15 04:44:28,780 INFO L306 CDTParser]: Found 1 translation units. [2019-10-15 04:44:28,780 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/for_infinite_loop_2.c [2019-10-15 04:44:28,787 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b58a155/0250a58dd36f4469b9f262623f39b229/FLAG86bc47dbc [2019-10-15 04:44:29,181 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/65b58a155/0250a58dd36f4469b9f262623f39b229 [2019-10-15 04:44:29,191 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-15 04:44:29,193 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-15 04:44:29,194 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:29,194 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-15 04:44:29,197 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-15 04:44:29,199 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,202 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@18673b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29, skipping insertion in model container [2019-10-15 04:44:29,202 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,209 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-15 04:44:29,225 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-15 04:44:29,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:29,387 INFO L188 MainTranslator]: Completed pre-run [2019-10-15 04:44:29,404 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-15 04:44:29,419 INFO L192 MainTranslator]: Completed translation [2019-10-15 04:44:29,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29 WrapperNode [2019-10-15 04:44:29,420 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-15 04:44:29,421 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-15 04:44:29,421 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-15 04:44:29,421 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-15 04:44:29,516 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,517 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,525 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,526 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,533 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-15 04:44:29,544 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-15 04:44:29,545 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-15 04:44:29,545 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-15 04:44:29,546 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 04:44:29" (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 04:44:29,611 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-15 04:44:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-15 04:44:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-15 04:44:29,612 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-15 04:44:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-15 04:44:29,612 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-15 04:44:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-15 04:44:29,613 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-15 04:44:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-15 04:44:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-15 04:44:29,614 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-15 04:44:29,794 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-15 04:44:29,794 INFO L284 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-15 04:44:29,799 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:29 BoogieIcfgContainer [2019-10-15 04:44:29,799 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-15 04:44:29,800 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-15 04:44:29,800 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-15 04:44:29,800 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-15 04:44:29,801 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 04:44:29" (1/1) ... [2019-10-15 04:44:29,838 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-15 04:44:30,092 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-10-15 04:44:30,112 INFO L272 AbstractInterpreter]: Visited 22 different actions 94 times. Merged at 3 different actions 18 times. Widened at 1 different actions 2 times. Performed 108 root evaluator evaluations with a maximum evaluation depth of 6. Performed 108 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 7 variables. [2019-10-15 04:44:30,113 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-15 04:44:30,116 INFO L168 Benchmark]: Toolchain (without parser) took 921.94 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 101.6 MB in the beginning and 156.5 MB in the end (delta: -55.0 MB). Peak memory consumption was 8.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:30,117 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-15 04:44:30,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 226.49 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 91.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:30,120 INFO L168 Benchmark]: Boogie Preprocessor took 123.58 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.6 MB in the beginning and 180.0 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:30,121 INFO L168 Benchmark]: RCFGBuilder took 254.53 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 168.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:30,122 INFO L168 Benchmark]: Abstract Interpretation took 313.30 ms. Allocated memory is still 201.3 MB. Free memory was 168.0 MB in the beginning and 156.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. [2019-10-15 04:44:30,126 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 137.9 MB. Free memory is still 119.5 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 226.49 ms. Allocated memory is still 137.9 MB. Free memory was 101.2 MB in the beginning and 91.6 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 123.58 ms. Allocated memory was 137.9 MB in the beginning and 201.3 MB in the end (delta: 63.4 MB). Free memory was 91.6 MB in the beginning and 180.0 MB in the end (delta: -88.4 MB). Peak memory consumption was 14.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 254.53 ms. Allocated memory is still 201.3 MB. Free memory was 180.0 MB in the beginning and 168.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 313.30 ms. Allocated memory is still 201.3 MB. Free memory was 168.0 MB in the beginning and 156.5 MB in the end (delta: 11.5 MB). Peak memory consumption was 11.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - UnprovableResult [Line: 6]: 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: [L14] unsigned int i=0; [L15] int x=0, y=0; [L16] int n=__VERIFIER_nondet_int(); [L17] COND FALSE !(!(n>0)) [L18] i=0 [L18] COND TRUE 1 [L20] CALL __VERIFIER_assert(x==0) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...