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-industry-pattern/aiob_4.c.v+nlh-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-112bae1 [2019-09-11 16:13:38,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:13:38,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:13:38,676 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-11 16:13:38,677 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-11 16:13:38,678 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-11 16:13:38,679 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-11 16:13:38,681 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-11 16:13:38,682 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-11 16:13:38,683 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-11 16:13:38,684 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-11 16:13:38,685 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-11 16:13:38,686 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:13:38,687 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:13:38,687 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:13:38,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:13:38,689 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:13:38,690 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:13:38,692 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:13:38,694 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:13:38,696 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:13:38,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:13:38,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:13:38,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:13:38,705 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:13:38,711 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:13:38,712 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:13:38,713 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:13:38,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:13:38,718 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:13:38,718 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:13:38,719 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:13:38,719 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:13:38,720 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:13:38,720 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:13:38,721 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:13:38,722 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 16:13:38,738 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:13:38,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:13:38,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:13:38,739 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:13:38,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:13:38,740 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:13:38,740 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:13:38,740 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:13:38,740 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:13:38,741 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:13:38,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:13:38,741 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:13:38,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:13:38,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:13:38,742 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:13:38,742 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:13:38,742 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:13:38,743 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:13:38,743 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:13:38,743 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:13:38,743 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:13:38,744 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:13:38,744 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:13:38,744 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:13:38,744 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:13:38,744 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:13:38,745 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:13:38,745 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:13:38,745 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:13:38,745 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:13:38,774 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:13:38,792 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:13:38,795 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:13:38,797 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:13:38,797 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:13:38,798 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-09-11 16:13:38,858 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/069a55d82/2ba0ebcd3857430f99071df16ae23db5/FLAG1b9f7f5b5 [2019-09-11 16:13:39,377 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:39,378 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-09-11 16:13:39,400 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/069a55d82/2ba0ebcd3857430f99071df16ae23db5/FLAG1b9f7f5b5 [2019-09-11 16:13:39,617 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/069a55d82/2ba0ebcd3857430f99071df16ae23db5 [2019-09-11 16:13:39,629 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:39,630 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:39,631 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:39,631 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:39,636 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:39,637 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:39" (1/1) ... [2019-09-11 16:13:39,640 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@435c1b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:39, skipping insertion in model container [2019-09-11 16:13:39,641 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:39" (1/1) ... [2019-09-11 16:13:39,648 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:39,733 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:40,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:40,300 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:40,514 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:40,534 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:40,534 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40 WrapperNode [2019-09-11 16:13:40,534 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:40,535 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:40,535 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:40,535 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:40,550 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (1/1) ... [2019-09-11 16:13:40,550 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (1/1) ... [2019-09-11 16:13:40,583 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (1/1) ... [2019-09-11 16:13:40,584 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (1/1) ... [2019-09-11 16:13:40,699 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (1/1) ... [2019-09-11 16:13:40,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (1/1) ... [2019-09-11 16:13:40,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (1/1) ... [2019-09-11 16:13:40,761 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:40,761 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:40,762 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:40,762 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:40,763 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:40" (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 16:13:40,891 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:40,892 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-11 16:13:40,893 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-11 16:13:40,894 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:13:40,895 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:13:40,896 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-11 16:13:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-11 16:13:40,897 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:13:40,898 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:40,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-11 16:13:40,900 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:13:43,108 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:43,109 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:13:43,110 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:43 BoogieIcfgContainer [2019-09-11 16:13:43,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:43,111 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:43,111 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:43,112 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:43,113 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:43" (1/1) ... [2019-09-11 16:13:43,185 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:43,330 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:13:43,339 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 105 root evaluator evaluations with a maximum evaluation depth of 0. Performed 105 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 200 variables. [2019-09-11 16:13:43,340 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:43,344 INFO L168 Benchmark]: Toolchain (without parser) took 3711.75 ms. Allocated memory was 141.6 MB in the beginning and 258.5 MB in the end (delta: 116.9 MB). Free memory was 86.7 MB in the beginning and 148.6 MB in the end (delta: -61.9 MB). Peak memory consumption was 55.1 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,346 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,350 INFO L168 Benchmark]: CACSL2BoogieTranslator took 903.79 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 155.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,352 INFO L168 Benchmark]: Boogie Preprocessor took 225.92 ms. Allocated memory is still 200.8 MB. Free memory was 155.9 MB in the beginning and 143.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,355 INFO L168 Benchmark]: RCFGBuilder took 2349.24 ms. Allocated memory was 200.8 MB in the beginning and 258.5 MB in the end (delta: 57.7 MB). Free memory was 143.2 MB in the beginning and 158.8 MB in the end (delta: -15.6 MB). Peak memory consumption was 102.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,356 INFO L168 Benchmark]: Abstract Interpretation took 228.57 ms. Allocated memory is still 258.5 MB. Free memory was 158.8 MB in the beginning and 148.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:43,369 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 141.6 MB. Free memory was 106.6 MB in the beginning and 106.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 903.79 ms. Allocated memory was 141.6 MB in the beginning and 200.8 MB in the end (delta: 59.2 MB). Free memory was 86.5 MB in the beginning and 155.9 MB in the end (delta: -69.3 MB). Peak memory consumption was 30.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 225.92 ms. Allocated memory is still 200.8 MB. Free memory was 155.9 MB in the beginning and 143.2 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2349.24 ms. Allocated memory was 200.8 MB in the beginning and 258.5 MB in the end (delta: 57.7 MB). Free memory was 143.2 MB in the beginning and 158.8 MB in the end (delta: -15.6 MB). Peak memory consumption was 102.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 228.57 ms. Allocated memory is still 258.5 MB. Free memory was 158.8 MB in the beginning and 148.6 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 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: 1285]: 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...