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/loops/linear_sea.ch.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-efa34d5 [2019-09-16 17:27:20,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-16 17:27:20,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-16 17:27:20,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-16 17:27:20,643 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-16 17:27:20,644 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-16 17:27:20,645 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-16 17:27:20,646 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-16 17:27:20,647 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-16 17:27:20,648 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-16 17:27:20,649 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-16 17:27:20,651 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-16 17:27:20,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-16 17:27:20,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-16 17:27:20,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-16 17:27:20,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-16 17:27:20,663 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-16 17:27:20,673 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 17:27:20,688 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-16 17:27:20,688 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-16 17:27:20,688 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-16 17:27:20,689 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-16 17:27:20,690 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-16 17:27:20,691 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-16 17:27:20,691 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-16 17:27:20,691 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-16 17:27:20,691 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-16 17:27:20,691 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-16 17:27:20,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-16 17:27:20,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-16 17:27:20,692 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-16 17:27:20,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-16 17:27:20,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-16 17:27:20,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-16 17:27:20,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-16 17:27:20,693 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-16 17:27:20,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-16 17:27:20,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-16 17:27:20,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-16 17:27:20,694 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-16 17:27:20,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-16 17:27:20,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-16 17:27:20,695 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-16 17:27:20,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-16 17:27:20,695 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-16 17:27:20,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-16 17:27:20,696 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-16 17:27:20,696 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-16 17:27:20,724 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-16 17:27:20,740 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-16 17:27:20,744 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-16 17:27:20,746 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-16 17:27:20,746 INFO L275 PluginConnector]: CDTParser initialized [2019-09-16 17:27:20,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/linear_sea.ch.c [2019-09-16 17:27:20,823 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc511c28f/efdbcc43a3224f61b68201ee8cdbadcd/FLAG50a699cf0 [2019-09-16 17:27:21,299 INFO L306 CDTParser]: Found 1 translation units. [2019-09-16 17:27:21,300 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/linear_sea.ch.c [2019-09-16 17:27:21,307 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc511c28f/efdbcc43a3224f61b68201ee8cdbadcd/FLAG50a699cf0 [2019-09-16 17:27:21,658 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/dc511c28f/efdbcc43a3224f61b68201ee8cdbadcd [2019-09-16 17:27:21,669 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-16 17:27:21,670 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-16 17:27:21,671 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:21,671 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-16 17:27:21,675 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-16 17:27:21,676 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:21" (1/1) ... [2019-09-16 17:27:21,679 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30a7df60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:21, skipping insertion in model container [2019-09-16 17:27:21,679 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.09 05:27:21" (1/1) ... [2019-09-16 17:27:21,687 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-16 17:27:21,706 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-16 17:27:21,894 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:21,908 INFO L188 MainTranslator]: Completed pre-run [2019-09-16 17:27:21,930 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-16 17:27:22,046 INFO L192 MainTranslator]: Completed translation [2019-09-16 17:27:22,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22 WrapperNode [2019-09-16 17:27:22,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-16 17:27:22,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-16 17:27:22,047 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-16 17:27:22,047 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-16 17:27:22,058 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,058 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,065 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,079 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,080 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,085 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-16 17:27:22,085 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-16 17:27:22,085 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-16 17:27:22,085 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-16 17:27:22,086 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.09 05:27:22" (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 17:27:22,145 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-16 17:27:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-16 17:27:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-09-16 17:27:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure linear_search [2019-09-16 17:27:22,146 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-16 17:27:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-16 17:27:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-16 17:27:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-16 17:27:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-09-16 17:27:22,146 INFO L130 BoogieDeclarations]: Found specification of procedure linear_search [2019-09-16 17:27:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-16 17:27:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-16 17:27:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-16 17:27:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-16 17:27:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-16 17:27:22,147 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-16 17:27:22,148 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-16 17:27:22,428 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-16 17:27:22,434 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-16 17:27:22,436 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:22 BoogieIcfgContainer [2019-09-16 17:27:22,436 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-16 17:27:22,437 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-16 17:27:22,437 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-16 17:27:22,439 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-16 17:27:22,440 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.09 05:27:22" (1/1) ... [2019-09-16 17:27:22,467 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-16 17:27:22,543 WARN L79 EvaluatorLogger]: Possible loss of precision. Operator ARITHMOD has no precise implementation. [2019-09-16 17:27:22,559 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-16 17:27:22,565 INFO L272 AbstractInterpreter]: Visited 11 different actions 11 times. Never merged. Never widened. Performed 24 root evaluator evaluations with a maximum evaluation depth of 9. Performed 24 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Never found a fixpoint. Largest state had 23 variables. [2019-09-16 17:27:22,565 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-16 17:27:22,573 INFO L168 Benchmark]: Toolchain (without parser) took 897.16 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 85.2 MB in the beginning and 153.0 MB in the end (delta: -67.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-16 17:27:22,575 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-16 17:27:22,576 INFO L168 Benchmark]: CACSL2BoogieTranslator took 375.53 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 177.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:22,577 INFO L168 Benchmark]: Boogie Preprocessor took 37.86 ms. Allocated memory is still 199.2 MB. Free memory was 177.6 MB in the beginning and 175.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:22,578 INFO L168 Benchmark]: RCFGBuilder took 351.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 159.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:22,580 INFO L168 Benchmark]: Abstract Interpretation took 128.84 ms. Allocated memory is still 199.2 MB. Free memory was 159.2 MB in the beginning and 153.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. [2019-09-16 17:27:22,585 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 137.9 MB. Free memory was 103.9 MB in the beginning and 103.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 375.53 ms. Allocated memory was 137.9 MB in the beginning and 199.2 MB in the end (delta: 61.3 MB). Free memory was 85.0 MB in the beginning and 177.6 MB in the end (delta: -92.7 MB). Peak memory consumption was 20.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 37.86 ms. Allocated memory is still 199.2 MB. Free memory was 177.6 MB in the beginning and 175.3 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 351.01 ms. Allocated memory is still 199.2 MB. Free memory was 175.3 MB in the beginning and 159.2 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 128.84 ms. Allocated memory is still 199.2 MB. Free memory was 159.2 MB in the beginning and 153.0 MB in the end (delta: 6.2 MB). Peak memory consumption was 6.2 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - PositiveResult [Line: 6]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location RESULT: Ultimate proved your program to be correct! Received shutdown request...