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 0.1.24-112bae1 [2019-09-11 16:13:36,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-11 16:13:36,988 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-11 16:13:37,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-11 16:13:37,031 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-11 16:13:37,034 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-11 16:13:37,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-11 16:13:37,040 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-11 16:13:37,042 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-11 16:13:37,045 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-11 16:13:37,047 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-11 16:13:37,052 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-11 16:13:37,057 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-11 16:13:37,060 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-11 16:13:37,063 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-11 16:13:37,064 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-11 16:13:37,066 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-11 16:13:37,073 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-11 16:13:37,075 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-11 16:13:37,076 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-11 16:13:37,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-11 16:13:37,079 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-11 16:13:37,079 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-11 16:13:37,080 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-11 16:13:37,080 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-11 16:13:37,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-11 16:13:37,081 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-11 16:13:37,082 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-11 16:13:37,083 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 16:13:37,106 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-11 16:13:37,106 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-11 16:13:37,107 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-11 16:13:37,107 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-11 16:13:37,108 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-11 16:13:37,108 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-11 16:13:37,109 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-11 16:13:37,109 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-11 16:13:37,109 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-11 16:13:37,109 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-11 16:13:37,111 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-11 16:13:37,112 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-11 16:13:37,112 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-11 16:13:37,112 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-11 16:13:37,113 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-11 16:13:37,113 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-11 16:13:37,113 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-11 16:13:37,113 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-11 16:13:37,113 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-11 16:13:37,114 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-11 16:13:37,114 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-11 16:13:37,114 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-11 16:13:37,114 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-11 16:13:37,115 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-11 16:13:37,115 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-11 16:13:37,115 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-11 16:13:37,115 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-11 16:13:37,115 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-11 16:13:37,116 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-11 16:13:37,116 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-11 16:13:37,163 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-11 16:13:37,176 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-11 16:13:37,180 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-11 16:13:37,182 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-11 16:13:37,182 INFO L275 PluginConnector]: CDTParser initialized [2019-09-11 16:13:37,183 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-11 16:13:37,252 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2442cca/99af385b8d354a22a241b181599cee76/FLAG993b8e1f1 [2019-09-11 16:13:37,743 INFO L306 CDTParser]: Found 1 translation units. [2019-09-11 16:13:37,744 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+lhb-reducer.c [2019-09-11 16:13:37,757 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2442cca/99af385b8d354a22a241b181599cee76/FLAG993b8e1f1 [2019-09-11 16:13:38,065 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4e2442cca/99af385b8d354a22a241b181599cee76 [2019-09-11 16:13:38,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-11 16:13:38,076 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-11 16:13:38,077 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:38,077 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-11 16:13:38,081 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-11 16:13:38,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2088cf83 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38, skipping insertion in model container [2019-09-11 16:13:38,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,093 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-11 16:13:38,150 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-11 16:13:38,561 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:38,575 INFO L188 MainTranslator]: Completed pre-run [2019-09-11 16:13:38,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-11 16:13:38,695 INFO L192 MainTranslator]: Completed translation [2019-09-11 16:13:38,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38 WrapperNode [2019-09-11 16:13:38,696 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-11 16:13:38,697 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-11 16:13:38,697 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-11 16:13:38,697 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-11 16:13:38,708 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,708 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,729 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,730 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,775 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,783 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,788 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (1/1) ... [2019-09-11 16:13:38,794 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-11 16:13:38,795 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-11 16:13:38,795 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-11 16:13:38,795 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-11 16:13:38,796 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 11.09 04:13:38" (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 16:13:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-11 16:13:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-11 16:13:38,879 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-11 16:13:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-11 16:13:38,879 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-11 16:13:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-11 16:13:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-11 16:13:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-11 16:13:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-11 16:13:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-11 16:13:38,880 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-11 16:13:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-11 16:13:38,881 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-11 16:13:38,882 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-11 16:13:38,883 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-11 16:13:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-11 16:13:38,884 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-11 16:13:39,896 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-11 16:13:39,896 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-11 16:13:39,897 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:39 BoogieIcfgContainer [2019-09-11 16:13:39,898 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-11 16:13:39,898 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-11 16:13:39,899 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-11 16:13:39,899 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-11 16:13:39,900 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 11.09 04:13:39" (1/1) ... [2019-09-11 16:13:39,940 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-11 16:13:40,014 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-11 16:13:40,020 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. [2019-09-11 16:13:40,020 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-11 16:13:40,023 INFO L168 Benchmark]: Toolchain (without parser) took 1946.37 ms. Allocated memory was 139.5 MB in the beginning and 222.3 MB in the end (delta: 82.8 MB). Free memory was 86.5 MB in the beginning and 173.7 MB in the end (delta: -87.2 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-11 16:13:40,024 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-11 16:13:40,025 INFO L168 Benchmark]: CACSL2BoogieTranslator took 619.49 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 167.1 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:40,026 INFO L168 Benchmark]: Boogie Preprocessor took 97.77 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 161.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:40,027 INFO L168 Benchmark]: RCFGBuilder took 1103.13 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 161.1 MB in the beginning and 179.2 MB in the end (delta: -18.1 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:40,028 INFO L168 Benchmark]: Abstract Interpretation took 122.01 ms. Allocated memory is still 222.3 MB. Free memory was 179.2 MB in the beginning and 173.7 MB in the end (delta: 5.5 MB). Peak memory consumption was 5.5 MB. Max. memory is 7.1 GB. [2019-09-11 16:13:40,033 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 139.5 MB. Free memory was 105.8 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 619.49 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 86.2 MB in the beginning and 167.1 MB in the end (delta: -80.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 97.77 ms. Allocated memory is still 199.2 MB. Free memory was 167.1 MB in the beginning and 161.1 MB in the end (delta: 6.0 MB). Peak memory consumption was 6.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1103.13 ms. Allocated memory was 199.2 MB in the beginning and 222.3 MB in the end (delta: 23.1 MB). Free memory was 161.1 MB in the beginning and 179.2 MB in the end (delta: -18.1 MB). Peak memory consumption was 92.3 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 122.01 ms. Allocated memory is still 222.3 MB. Free memory was 179.2 MB in the beginning and 173.7 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: 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...