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/n.c40.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:10:45,706 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:10:45,708 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:10:45,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:10:45,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:10:45,725 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:10:45,728 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:10:45,730 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:10:45,732 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:10:45,737 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:10:45,738 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:10:45,740 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:10:45,740 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:10:45,741 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:10:45,744 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:10:45,745 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:10:45,746 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:10:45,749 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:10:45,752 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:10:45,755 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:10:45,760 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:10:45,761 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:10:45,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:10:45,764 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:10:45,768 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:10:45,774 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:10:45,776 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:10:45,777 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:10:45,778 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:10:45,781 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:10:45,781 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:10:45,782 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:10:45,782 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:10:45,782 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:10:45,783 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:10:45,784 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:10:45,785 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 [2019-09-11 16:10:45,804 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:10:45,804 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:10:45,804 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:10:45,805 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:10:45,805 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:10:45,806 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:10:45,806 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:10:45,806 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:10:45,806 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:10:45,807 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:10:45,807 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:10:45,808 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:10:45,808 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:10:45,808 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:10:45,808 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:10:45,808 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:10:45,809 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:10:45,809 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:10:45,809 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:10:45,809 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:10:45,810 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:10:45,810 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:10:45,810 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:10:45,810 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:10:45,810 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:10:45,811 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:10:45,811 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:10:45,811 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:10:45,811 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:10:45,812 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:10:45,849 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:10:45,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:10:45,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:10:45,873 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:10:45,874 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:10:45,875 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/n.c40.c [2019-09-11 16:10:45,945 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3bd393d/a9a9622ed3b84f06837c7fe5ffc1d68e/FLAGf9060574d [2019-09-11 16:10:46,380 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:10:46,383 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/n.c40.c [2019-09-11 16:10:46,390 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3bd393d/a9a9622ed3b84f06837c7fe5ffc1d68e/FLAGf9060574d [2019-09-11 16:10:46,773 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fa3bd393d/a9a9622ed3b84f06837c7fe5ffc1d68e [2019-09-11 16:10:46,782 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:10:46,783 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:10:46,784 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:10:46,785 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:10:46,788 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:10:46,789 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:10:46" (1/1) ... [2019-09-11 16:10:46,792 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d7cbb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:46, skipping insertion in model container [2019-09-11 16:10:46,792 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:10:46" (1/1) ... [2019-09-11 16:10:46,798 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:10:46,814 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:10:46,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:10:47,019 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:10:47,037 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:10:47,169 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:10:47,169 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47 WrapperNode [2019-09-11 16:10:47,169 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:10:47,170 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:10:47,170 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:10:47,170 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:10:47,180 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,180 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,193 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,193 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,219 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,222 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,225 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:10:47,226 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:10:47,226 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:10:47,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:10:47,227 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:10:47" (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 [2019-09-11 16:10:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:10:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:10:47,293 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:10:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:10:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-11 16:10:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:10:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:10:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:10:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:10:47,294 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:10:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-11 16:10:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:10:47,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:10:47,679 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:10:47,679 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-09-11 16:10:47,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:10:47 BoogieIcfgContainer [2019-09-11 16:10:47,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:10:47,682 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:10:47,682 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:10:47,682 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:10:47,683 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:10:47" (1/1) ... [2019-09-11 16:10:47,743 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:10:47,900 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:10:47,913 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 16 root evaluator evaluations with a maximum evaluation depth of 0. Performed 16 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 26 variables. [2019-09-11 16:10:47,913 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:10:47,923 INFO L168 Benchmark]: Toolchain (without parser) took 1135.11 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 90.0 MB in the beginning and 146.7 MB in the end (delta: -56.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-09-11 16:10:47,925 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:10:47,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 385.36 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.8 MB in the beginning and 176.3 MB in the end (delta: -86.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. [2019-09-11 16:10:47,930 INFO L168 Benchmark]: Boogie Preprocessor took 55.59 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 172.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:10:47,932 INFO L168 Benchmark]: RCFGBuilder took 455.16 ms. Allocated memory is still 199.8 MB. Free memory was 172.8 MB in the beginning and 152.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:10:47,935 INFO L168 Benchmark]: Abstract Interpretation took 231.93 ms. Allocated memory is still 199.8 MB. Free memory was 151.5 MB in the beginning and 146.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:10:47,943 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 133.7 MB. Free memory was 108.1 MB in the beginning and 107.9 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 385.36 ms. Allocated memory was 133.7 MB in the beginning and 199.8 MB in the end (delta: 66.1 MB). Free memory was 89.8 MB in the beginning and 176.3 MB in the end (delta: -86.5 MB). Peak memory consumption was 26.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 55.59 ms. Allocated memory is still 199.8 MB. Free memory was 176.3 MB in the beginning and 172.8 MB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 455.16 ms. Allocated memory is still 199.8 MB. Free memory was 172.8 MB in the beginning and 152.1 MB in the end (delta: 20.7 MB). Peak memory consumption was 20.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 231.93 ms. Allocated memory is still 199.8 MB. Free memory was 151.5 MB in the beginning and 146.7 MB in the end (delta: 4.8 MB). Peak memory consumption was 4.8 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: 20]: 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...