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+lhb-reducer.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:47:49,806 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:47:49,808 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:47:49,827 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:47:49,851 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:47:49,854 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:47:49,856 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:47:49,857 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:47:49,859 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:47:49,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:47:49,865 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:47:49,867 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:47:49,872 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:47:49,873 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:47:49,874 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:47:49,875 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:47:49,879 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:47:49,899 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 [2019-09-20 13:47:49,923 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:47:49,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:47:49,925 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:47:49,926 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:47:49,926 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:47:49,927 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:47:49,927 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:47:49,927 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:47:49,927 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:47:49,927 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:47:49,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:47:49,930 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:47:49,930 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:47:49,931 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:47:49,931 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:47:49,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:47:49,931 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:47:49,932 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:47:49,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:47:49,932 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:47:49,932 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:47:49,932 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:47:49,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:47:49,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:47:49,933 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:47:49,933 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:47:49,934 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:47:49,934 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:47:49,934 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:47:49,934 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:47:49,991 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:47:50,008 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:47:50,012 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:47:50,013 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:47:50,014 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:47:50,015 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 13:47:50,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a78acec8/854b0f974ef64817a93bd8ad149543d8/FLAG4d2494f15 [2019-09-20 13:47:50,620 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:47:50,621 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-20 13:47:50,634 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a78acec8/854b0f974ef64817a93bd8ad149543d8/FLAG4d2494f15 [2019-09-20 13:47:50,916 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8a78acec8/854b0f974ef64817a93bd8ad149543d8 [2019-09-20 13:47:50,925 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:47:50,926 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:47:50,927 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:50,927 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:47:50,931 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:47:50,932 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:50" (1/1) ... [2019-09-20 13:47:50,935 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5d73de56 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:50, skipping insertion in model container [2019-09-20 13:47:50,935 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:47:50" (1/1) ... [2019-09-20 13:47:50,943 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:47:50,994 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:47:51,393 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:51,404 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:47:51,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:47:51,544 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:47:51,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51 WrapperNode [2019-09-20 13:47:51,545 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:47:51,545 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:47:51,545 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:47:51,545 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:47:51,555 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (1/1) ... [2019-09-20 13:47:51,555 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (1/1) ... [2019-09-20 13:47:51,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (1/1) ... [2019-09-20 13:47:51,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (1/1) ... [2019-09-20 13:47:51,617 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (1/1) ... [2019-09-20 13:47:51,625 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (1/1) ... [2019-09-20 13:47:51,630 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (1/1) ... [2019-09-20 13:47:51,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:47:51,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:47:51,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:47:51,637 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:47:51,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:47:51" (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 [2019-09-20 13:47:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:47:51,724 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:47:51,725 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:47:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:47:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-20 13:47:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-20 13:47:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:47:51,725 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-20 13:47:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:47:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:47:51,727 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:47:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:47:51,728 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:47:51,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:47:51,730 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:47:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:47:51,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:47:52,777 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:47:52,777 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:47:52,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:52 BoogieIcfgContainer [2019-09-20 13:47:52,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:47:52,781 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:47:52,781 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:47:52,781 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:47:52,782 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:47:52" (1/1) ... [2019-09-20 13:47:52,826 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:47:52,892 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:47:52,898 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 47 root evaluator evaluations with a maximum evaluation depth of 0. Performed 47 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 76 variables. [2019-09-20 13:47:52,898 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:47:52,901 INFO L168 Benchmark]: Toolchain (without parser) took 1973.61 ms. Allocated memory was 130.5 MB in the beginning and 217.1 MB in the end (delta: 86.5 MB). Free memory was 83.7 MB in the beginning and 169.7 MB in the end (delta: -86.0 MB). Peak memory consumption was 492.1 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:52,902 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:47:52,903 INFO L168 Benchmark]: CACSL2BoogieTranslator took 617.67 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 83.5 MB in the beginning and 163.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:52,904 INFO L168 Benchmark]: Boogie Preprocessor took 91.41 ms. Allocated memory is still 198.2 MB. Free memory was 163.6 MB in the beginning and 158.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:52,905 INFO L168 Benchmark]: RCFGBuilder took 1143.28 ms. Allocated memory was 198.2 MB in the beginning and 217.1 MB in the end (delta: 18.9 MB). Free memory was 158.4 MB in the beginning and 175.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:52,906 INFO L168 Benchmark]: Abstract Interpretation took 117.49 ms. Allocated memory is still 217.1 MB. Free memory was 175.4 MB in the beginning and 169.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-09-20 13:47:52,910 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 130.5 MB. Free memory was 103.4 MB in the beginning and 103.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 617.67 ms. Allocated memory was 130.5 MB in the beginning and 198.2 MB in the end (delta: 67.6 MB). Free memory was 83.5 MB in the beginning and 163.6 MB in the end (delta: -80.1 MB). Peak memory consumption was 27.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.41 ms. Allocated memory is still 198.2 MB. Free memory was 163.6 MB in the beginning and 158.4 MB in the end (delta: 5.2 MB). Peak memory consumption was 5.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1143.28 ms. Allocated memory was 198.2 MB in the beginning and 217.1 MB in the end (delta: 18.9 MB). Free memory was 158.4 MB in the beginning and 175.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 95.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 117.49 ms. Allocated memory is still 217.1 MB. Free memory was 175.4 MB in the beginning and 169.7 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 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: 465]: 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...