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-invgen/heapsort.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:35,598 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:35,600 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:35,612 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:47:35,613 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:47:35,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:47:35,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:47:35,617 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:47:35,619 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:47:35,620 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:47:35,620 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:47:35,622 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:47:35,622 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:35,623 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:35,624 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:35,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:35,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:35,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:35,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:35,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:35,631 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:35,632 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:35,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:35,634 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:35,636 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:35,643 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:47:35,644 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:47:35,645 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:47:35,646 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 [2019-09-20 13:47:35,660 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:35,660 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:35,661 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:35,661 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:35,662 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:35,662 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:35,662 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:35,662 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:35,662 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:35,663 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:35,663 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:35,663 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:35,664 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:35,664 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:35,664 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:35,664 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:35,664 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:35,665 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:35,665 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:35,665 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:35,665 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:35,665 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:35,666 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:35,666 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:35,666 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:35,666 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:35,666 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:35,667 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:35,667 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:35,667 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:35,694 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:35,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:35,711 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:35,712 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:35,713 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:35,713 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-20 13:47:35,777 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8add6e7b/999f5f66a683425ab6fbc8944a16e4f8/FLAG3b7cc62a4 [2019-09-20 13:47:36,204 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:36,205 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invgen/heapsort.i [2019-09-20 13:47:36,211 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8add6e7b/999f5f66a683425ab6fbc8944a16e4f8/FLAG3b7cc62a4 [2019-09-20 13:47:36,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8add6e7b/999f5f66a683425ab6fbc8944a16e4f8 [2019-09-20 13:47:36,642 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:36,645 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:36,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:36,648 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:36,652 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:36,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:36,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be80d32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36, skipping insertion in model container [2019-09-20 13:47:36,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:36,665 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:36,688 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:36,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:36,906 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:36,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:36,945 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:36,946 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36 WrapperNode [2019-09-20 13:47:36,946 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:36,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:36,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:36,947 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:37,052 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:37,054 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:37,061 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:37,062 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:37,066 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:37,074 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:37,077 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (1/1) ... [2019-09-20 13:47:37,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:37,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:37,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:37,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:37,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:36" (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 [2019-09-20 13:47:37,143 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-20 13:47:37,144 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-09-20 13:47:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:37,144 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:47:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:37,145 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:37,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:37,431 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-20 13:47:37,433 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:37 BoogieIcfgContainer [2019-09-20 13:47:37,433 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:37,434 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:37,434 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:37,434 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:37,435 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:37" (1/1) ... [2019-09-20 13:47:37,496 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:37,596 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-20 13:47:37,912 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-20 13:47:37,937 INFO L272 AbstractInterpreter]: Visited 66 different actions 314 times. Merged at 29 different actions 35 times. Never widened. Performed 341 root evaluator evaluations with a maximum evaluation depth of 8. Performed 341 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 15 fixpoints after 9 different actions. Largest state had 19 variables. [2019-09-20 13:47:37,937 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:37,940 INFO L168 Benchmark]: Toolchain (without parser) took 1294.40 ms. Allocated memory was 134.7 MB in the beginning and 196.6 MB in the end (delta: 61.9 MB). Free memory was 81.9 MB in the beginning and 130.9 MB in the end (delta: -49.0 MB). Peak memory consumption was 12.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:37,942 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 100.7 MB in the beginning and 100.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:37,943 INFO L168 Benchmark]: CACSL2BoogieTranslator took 298.72 ms. Allocated memory is still 134.7 MB. Free memory was 81.7 MB in the beginning and 71.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:37,945 INFO L168 Benchmark]: Boogie Preprocessor took 135.16 ms. Allocated memory was 134.7 MB in the beginning and 196.6 MB in the end (delta: 61.9 MB). Free memory was 71.8 MB in the beginning and 173.8 MB in the end (delta: -102.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:37,946 INFO L168 Benchmark]: RCFGBuilder took 351.10 ms. Allocated memory is still 196.6 MB. Free memory was 173.8 MB in the beginning and 157.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:37,946 INFO L168 Benchmark]: Abstract Interpretation took 503.33 ms. Allocated memory is still 196.6 MB. Free memory was 157.0 MB in the beginning and 130.9 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:37,951 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 134.7 MB. Free memory was 100.7 MB in the beginning and 100.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 298.72 ms. Allocated memory is still 134.7 MB. Free memory was 81.7 MB in the beginning and 71.8 MB in the end (delta: 9.9 MB). Peak memory consumption was 9.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 135.16 ms. Allocated memory was 134.7 MB in the beginning and 196.6 MB in the end (delta: 61.9 MB). Free memory was 71.8 MB in the beginning and 173.8 MB in the end (delta: -102.0 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.10 ms. Allocated memory is still 196.6 MB. Free memory was 173.8 MB in the beginning and 157.0 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 503.33 ms. Allocated memory is still 196.6 MB. Free memory was 157.0 MB in the beginning and 130.9 MB in the end (delta: 26.1 MB). Peak memory consumption was 26.1 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 n,l,r,i,j; [L12] n = __VERIFIER_nondet_int() [L13] COND FALSE !(!(1 <= n && n <= 1000000)) [L14] l = n/2 + 1 [L15] r = n [L16] COND TRUE l>1 [L17] l-- [L21] COND TRUE r > 1 [L22] i = l [L23] j = 2*l [L24] COND FALSE !(j <= r) [L45] COND TRUE l > 1 [L46] CALL __VERIFIER_assert(1 <= l) [L4] COND TRUE !(cond) [L5] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...