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/reducercommutativity/avg.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-10 19:07:35,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-10 19:07:35,671 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-10 19:07:35,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-10 19:07:35,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-10 19:07:35,685 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-10 19:07:35,687 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-10 19:07:35,689 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-10 19:07:35,691 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-10 19:07:35,692 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-10 19:07:35,693 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-10 19:07:35,694 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-10 19:07:35,694 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-10 19:07:35,695 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-10 19:07:35,696 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-10 19:07:35,697 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-10 19:07:35,698 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-10 19:07:35,699 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-10 19:07:35,701 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-10 19:07:35,704 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-10 19:07:35,706 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-10 19:07:35,707 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-10 19:07:35,708 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-10 19:07:35,709 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-10 19:07:35,712 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-10 19:07:35,712 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-10 19:07:35,712 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-10 19:07:35,713 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-10 19:07:35,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-10 19:07:35,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-10 19:07:35,715 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-10 19:07:35,716 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-10 19:07:35,717 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-10 19:07:35,717 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-10 19:07:35,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-10 19:07:35,719 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-10 19:07:35,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-10 19:07:35,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-10 19:07:35,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-10 19:07:35,724 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-10 19:07:35,725 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-10 19:07:35,727 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 [2019-09-10 19:07:35,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-10 19:07:35,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-10 19:07:35,757 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-10 19:07:35,760 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-10 19:07:35,761 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-10 19:07:35,761 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-10 19:07:35,762 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-10 19:07:35,762 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-10 19:07:35,762 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-10 19:07:35,762 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-10 19:07:35,763 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-10 19:07:35,763 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-10 19:07:35,764 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-10 19:07:35,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-10 19:07:35,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-10 19:07:35,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-10 19:07:35,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-10 19:07:35,765 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-10 19:07:35,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-10 19:07:35,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-10 19:07:35,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-10 19:07:35,766 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-10 19:07:35,766 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-10 19:07:35,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-10 19:07:35,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-10 19:07:35,767 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-10 19:07:35,767 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-10 19:07:35,767 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-10 19:07:35,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-10 19:07:35,767 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-10 19:07:35,800 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-10 19:07:35,813 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-10 19:07:35,817 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-10 19:07:35,818 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-10 19:07:35,819 INFO L275 PluginConnector]: CDTParser initialized [2019-09-10 19:07:35,819 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/avg.i [2019-09-10 19:07:35,886 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332705b8d/75ec8574eed44343909ecd67de815ea0/FLAGf281981f8 [2019-09-10 19:07:36,323 INFO L306 CDTParser]: Found 1 translation units. [2019-09-10 19:07:36,324 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/avg.i [2019-09-10 19:07:36,332 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332705b8d/75ec8574eed44343909ecd67de815ea0/FLAGf281981f8 [2019-09-10 19:07:36,743 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/332705b8d/75ec8574eed44343909ecd67de815ea0 [2019-09-10 19:07:36,754 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-10 19:07:36,756 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-10 19:07:36,757 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-10 19:07:36,757 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-10 19:07:36,761 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-10 19:07:36,762 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:07:36" (1/1) ... [2019-09-10 19:07:36,765 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e1d362a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:36, skipping insertion in model container [2019-09-10 19:07:36,766 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.09 07:07:36" (1/1) ... [2019-09-10 19:07:36,774 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-10 19:07:36,794 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-10 19:07:36,994 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:07:37,005 INFO L188 MainTranslator]: Completed pre-run [2019-09-10 19:07:37,030 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-10 19:07:37,046 INFO L192 MainTranslator]: Completed translation [2019-09-10 19:07:37,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37 WrapperNode [2019-09-10 19:07:37,047 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-10 19:07:37,047 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-10 19:07:37,048 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-10 19:07:37,048 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-10 19:07:37,154 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,155 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,179 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,179 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,189 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,196 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,198 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-10 19:07:37,199 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-10 19:07:37,199 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-10 19:07:37,199 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-10 19:07:37,200 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.09 07:07:37" (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 [2019-09-10 19:07:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-10 19:07:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-10 19:07:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure avg [2019-09-10 19:07:37,264 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-10 19:07:37,264 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-10 19:07:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-10 19:07:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure avg [2019-09-10 19:07:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-10 19:07:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-10 19:07:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-10 19:07:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-10 19:07:37,265 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-10 19:07:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-10 19:07:37,266 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-10 19:07:37,578 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-10 19:07:37,579 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-09-10 19:07:37,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:07:37 BoogieIcfgContainer [2019-09-10 19:07:37,581 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-10 19:07:37,582 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-10 19:07:37,582 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-10 19:07:37,582 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-10 19:07:37,583 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.09 07:07:37" (1/1) ... [2019-09-10 19:07:37,644 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-10 19:07:37,732 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-10 19:07:37,738 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 23 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 31 variables. [2019-09-10 19:07:37,739 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-10 19:07:37,742 INFO L168 Benchmark]: Toolchain (without parser) took 985.14 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 87.0 MB in the beginning and 152.2 MB in the end (delta: -65.2 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-09-10 19:07:37,744 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-10 19:07:37,745 INFO L168 Benchmark]: CACSL2BoogieTranslator took 290.00 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 76.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. [2019-09-10 19:07:37,747 INFO L168 Benchmark]: Boogie Preprocessor took 150.96 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.9 MB in the beginning and 174.8 MB in the end (delta: -98.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-09-10 19:07:37,748 INFO L168 Benchmark]: RCFGBuilder took 382.09 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 158.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-09-10 19:07:37,750 INFO L168 Benchmark]: Abstract Interpretation took 157.37 ms. Allocated memory is still 198.7 MB. Free memory was 158.0 MB in the beginning and 152.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 MB. Max. memory is 7.1 GB. [2019-09-10 19:07:37,755 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 131.1 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 290.00 ms. Allocated memory is still 131.1 MB. Free memory was 86.6 MB in the beginning and 76.2 MB in the end (delta: 10.4 MB). Peak memory consumption was 10.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 150.96 ms. Allocated memory was 131.1 MB in the beginning and 198.7 MB in the end (delta: 67.6 MB). Free memory was 75.9 MB in the beginning and 174.8 MB in the end (delta: -98.8 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 382.09 ms. Allocated memory is still 198.7 MB. Free memory was 174.3 MB in the beginning and 158.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 157.37 ms. Allocated memory is still 198.7 MB. Free memory was 158.0 MB in the beginning and 152.2 MB in the end (delta: 5.8 MB). Peak memory consumption was 5.8 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: 39]: 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...