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/sep05-1.i -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:48:34,083 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:48:34,086 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:48:34,106 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-03 12:48:34,106 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-03 12:48:34,107 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-03 12:48:34,108 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-03 12:48:34,110 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-03 12:48:34,112 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-03 12:48:34,113 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-03 12:48:34,114 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-03 12:48:34,115 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-03 12:48:34,115 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:48:34,116 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:48:34,117 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:48:34,118 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:48:34,119 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:48:34,119 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:48:34,121 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:48:34,123 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:48:34,125 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:48:34,126 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:48:34,127 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:48:34,128 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:48:34,130 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:48:34,133 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-03 12:48:34,134 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-03 12:48:34,134 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-03 12:48:34,135 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-03 12:48:34,136 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-03 12:48:34,136 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-03 12:48:34,137 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-03 12:48:34,137 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-03 12:48:34,137 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-03 12:48:34,138 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-03 12:48:34,139 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-03 12:48:34,140 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 [2019-10-03 12:48:34,154 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:48:34,154 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:48:34,154 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:48:34,155 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:48:34,155 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:48:34,155 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:48:34,156 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:48:34,156 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:48:34,156 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:48:34,156 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:48:34,157 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:48:34,157 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:48:34,157 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:48:34,157 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:48:34,158 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:48:34,158 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:48:34,158 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:48:34,158 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:48:34,158 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:48:34,159 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:48:34,159 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:48:34,159 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:48:34,159 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:48:34,159 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:48:34,160 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:48:34,160 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:48:34,160 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:48:34,160 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:48:34,160 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:48:34,161 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:48:34,194 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:48:34,206 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:48:34,209 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:48:34,211 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:48:34,211 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:48:34,212 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/reducercommutativity/sep05-1.i [2019-10-03 12:48:34,291 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621ddc0c8/264deb4fce0647c2b28efab716da8b83/FLAGce47f3060 [2019-10-03 12:48:34,770 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:48:34,771 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/reducercommutativity/sep05-1.i [2019-10-03 12:48:34,777 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621ddc0c8/264deb4fce0647c2b28efab716da8b83/FLAGce47f3060 [2019-10-03 12:48:35,155 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/621ddc0c8/264deb4fce0647c2b28efab716da8b83 [2019-10-03 12:48:35,170 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:48:35,171 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:48:35,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:48:35,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:48:35,176 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:48:35,177 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a5f223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35, skipping insertion in model container [2019-10-03 12:48:35,180 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,188 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:48:35,206 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:48:35,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:48:35,473 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:48:35,522 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:48:35,669 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:48:35,670 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35 WrapperNode [2019-10-03 12:48:35,670 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:48:35,671 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:48:35,671 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:48:35,671 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:48:35,684 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,686 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,699 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,699 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,712 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,728 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (1/1) ... [2019-10-03 12:48:35,732 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:48:35,733 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:48:35,733 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:48:35,733 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:48:35,734 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:48:35" (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 [2019-10-03 12:48:35,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2019-10-03 12:48:35,789 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:48:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:48:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:48:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2019-10-03 12:48:35,789 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 12:48:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:48:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 12:48:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 12:48:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 12:48:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:48:35,790 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:48:36,111 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:48:36,112 INFO L283 CfgBuilder]: Removed 3 assume(true) statements. [2019-10-03 12:48:36,113 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:36 BoogieIcfgContainer [2019-10-03 12:48:36,113 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:48:36,114 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:48:36,114 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:48:36,116 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:48:36,117 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:48:36" (1/1) ... [2019-10-03 12:48:36,145 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:48:36,212 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 12:48:36,216 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 15 root evaluator evaluations with a maximum evaluation depth of 0. Performed 15 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 31 variables. [2019-10-03 12:48:36,216 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:48:36,219 INFO L168 Benchmark]: Toolchain (without parser) took 1046.50 ms. Allocated memory was 130.0 MB in the beginning and 198.7 MB in the end (delta: 68.7 MB). Free memory was 85.7 MB in the beginning and 151.0 MB in the end (delta: -65.3 MB). Peak memory consumption was 3.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:36,221 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-10-03 12:48:36,222 INFO L168 Benchmark]: CACSL2BoogieTranslator took 497.99 ms. Allocated memory was 130.0 MB in the beginning and 198.7 MB in the end (delta: 68.7 MB). Free memory was 85.2 MB in the beginning and 175.4 MB in the end (delta: -90.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:36,223 INFO L168 Benchmark]: Boogie Preprocessor took 62.03 ms. Allocated memory is still 198.7 MB. Free memory was 175.4 MB in the beginning and 173.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:36,224 INFO L168 Benchmark]: RCFGBuilder took 380.04 ms. Allocated memory is still 198.7 MB. Free memory was 173.0 MB in the beginning and 156.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:36,225 INFO L168 Benchmark]: Abstract Interpretation took 102.83 ms. Allocated memory is still 198.7 MB. Free memory was 156.5 MB in the beginning and 151.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:48:36,229 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 130.0 MB. Free memory was 104.1 MB in the beginning and 103.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 497.99 ms. Allocated memory was 130.0 MB in the beginning and 198.7 MB in the end (delta: 68.7 MB). Free memory was 85.2 MB in the beginning and 175.4 MB in the end (delta: -90.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 62.03 ms. Allocated memory is still 198.7 MB. Free memory was 175.4 MB in the beginning and 173.0 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 380.04 ms. Allocated memory is still 198.7 MB. Free memory was 173.0 MB in the beginning and 156.5 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 102.83 ms. Allocated memory is still 198.7 MB. Free memory was 156.5 MB in the beginning and 151.0 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 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: 42]: 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...