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-acceleration/simple_2-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-c6af20d [2019-09-03 21:26:12,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:26:12,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:26:12,638 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-03 21:26:12,639 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-03 21:26:12,640 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-03 21:26:12,641 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-03 21:26:12,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-03 21:26:12,644 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-03 21:26:12,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-03 21:26:12,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-03 21:26:12,649 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-03 21:26:12,649 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:26:12,653 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:26:12,654 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:26:12,657 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:26:12,658 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:26:12,659 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:26:12,660 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:26:12,666 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:26:12,668 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:26:12,673 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:26:12,674 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:26:12,676 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:26:12,679 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:26:12,684 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-03 21:26:12,684 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-03 21:26:12,685 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-03 21:26:12,688 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-03 21:26:12,689 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-03 21:26:12,689 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-03 21:26:12,690 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-03 21:26:12,690 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-03 21:26:12,692 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-03 21:26:12,693 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-03 21:26:12,694 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-03 21:26:12,695 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 [2019-09-03 21:26:12,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:26:12,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:26:12,720 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:26:12,721 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:26:12,721 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:26:12,722 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:26:12,722 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:26:12,722 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:26:12,723 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:26:12,723 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:26:12,724 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:26:12,724 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:26:12,724 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:26:12,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:26:12,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:26:12,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:26:12,726 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:26:12,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:26:12,727 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:26:12,727 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:26:12,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:26:12,728 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:26:12,728 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:26:12,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:26:12,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:26:12,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:26:12,729 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:26:12,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:26:12,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:26:12,729 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:26:12,781 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:26:12,802 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:26:12,805 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:26:12,806 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:26:12,807 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:26:12,808 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-acceleration/simple_2-1.c [2019-09-03 21:26:12,877 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386325173/c4618e72e7a34359882a6751ba81efd6/FLAG7cc789381 [2019-09-03 21:26:13,323 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:26:13,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-acceleration/simple_2-1.c [2019-09-03 21:26:13,330 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386325173/c4618e72e7a34359882a6751ba81efd6/FLAG7cc789381 [2019-09-03 21:26:13,692 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/386325173/c4618e72e7a34359882a6751ba81efd6 [2019-09-03 21:26:13,707 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:26:13,709 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:26:13,710 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:13,710 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:26:13,713 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:26:13,714 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:13,717 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@116ee5f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13, skipping insertion in model container [2019-09-03 21:26:13,717 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:13,724 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:26:13,739 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:26:13,903 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:13,913 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:26:13,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:26:13,947 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:26:13,948 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13 WrapperNode [2019-09-03 21:26:13,948 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:26:13,948 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:26:13,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:26:13,949 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:26:14,046 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:14,047 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:14,052 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:14,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:14,055 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:14,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:14,061 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (1/1) ... [2019-09-03 21:26:14,062 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:26:14,062 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:26:14,063 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:26:14,063 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:26:14,064 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:26:13" (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 [2019-09-03 21:26:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:26:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:26:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-03 21:26:14,116 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:26:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:26:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-03 21:26:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:26:14,116 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:26:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:26:14,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:26:14,271 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:26:14,271 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-03 21:26:14,273 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:14 BoogieIcfgContainer [2019-09-03 21:26:14,273 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:26:14,273 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:26:14,274 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:26:14,274 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:26:14,275 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:26:14" (1/1) ... [2019-09-03 21:26:14,296 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:26:14,360 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-03 21:26:14,396 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2019-09-03 21:26:14,412 INFO L272 AbstractInterpreter]: Visited 19 different actions 19 times. Never merged. Never widened. Performed 12 root evaluator evaluations with a maximum evaluation depth of 6. Performed 12 inverse root evaluator evaluations with a maximum inverse evaluation depth of 6. Found 1 fixpoints after 1 different actions. Largest state had 4 variables. [2019-09-03 21:26:14,413 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:26:14,415 INFO L168 Benchmark]: Toolchain (without parser) took 705.76 ms. Allocated memory was 136.8 MB in the beginning and 196.6 MB in the end (delta: 59.8 MB). Free memory was 84.8 MB in the beginning and 155.9 MB in the end (delta: -71.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-03 21:26:14,416 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:26:14,417 INFO L168 Benchmark]: CACSL2BoogieTranslator took 238.55 ms. Allocated memory is still 136.8 MB. Free memory was 84.6 MB in the beginning and 75.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:14,418 INFO L168 Benchmark]: Boogie Preprocessor took 113.83 ms. Allocated memory was 136.8 MB in the beginning and 196.6 MB in the end (delta: 59.8 MB). Free memory was 75.7 MB in the beginning and 174.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:14,419 INFO L168 Benchmark]: RCFGBuilder took 210.42 ms. Allocated memory is still 196.6 MB. Free memory was 174.6 MB in the beginning and 163.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:14,420 INFO L168 Benchmark]: Abstract Interpretation took 139.20 ms. Allocated memory is still 196.6 MB. Free memory was 163.5 MB in the beginning and 155.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:26:14,425 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 136.8 MB. Free memory was 102.8 MB in the beginning and 102.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 238.55 ms. Allocated memory is still 136.8 MB. Free memory was 84.6 MB in the beginning and 75.7 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.83 ms. Allocated memory was 136.8 MB in the beginning and 196.6 MB in the end (delta: 59.8 MB). Free memory was 75.7 MB in the beginning and 174.6 MB in the end (delta: -98.9 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 210.42 ms. Allocated memory is still 196.6 MB. Free memory was 174.6 MB in the beginning and 163.5 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 139.20 ms. Allocated memory is still 196.6 MB. Free memory was 163.5 MB in the beginning and 155.9 MB in the end (delta: 7.7 MB). Peak memory consumption was 7.7 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: [L12] unsigned int x = __VERIFIER_nondet_uint(); [L14] COND FALSE !(x < 0x0fffffff) [L18] CALL __VERIFIER_assert(x >= 0x0fffffff) [L5] COND TRUE !(cond) [L6] __VERIFIER_error() RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...