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-c6af20d [2019-09-03 21:27:04,905 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-03 21:27:04,907 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-03 21:27:04,924 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-03 21:27:04,948 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-03 21:27:04,950 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-03 21:27:04,952 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-03 21:27:04,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-03 21:27:04,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-03 21:27:04,956 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-03 21:27:04,958 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-03 21:27:04,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-03 21:27:04,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-03 21:27:04,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-03 21:27:04,970 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-03 21:27:04,971 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-03 21:27:04,972 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-03 21:27:04,986 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 [2019-09-03 21:27:05,026 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-03 21:27:05,027 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-03 21:27:05,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-03 21:27:05,027 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-03 21:27:05,028 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-03 21:27:05,028 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-03 21:27:05,028 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-03 21:27:05,028 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-03 21:27:05,030 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-03 21:27:05,030 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-03 21:27:05,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-03 21:27:05,031 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-03 21:27:05,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-03 21:27:05,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-03 21:27:05,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-03 21:27:05,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-03 21:27:05,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-03 21:27:05,033 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-03 21:27:05,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-03 21:27:05,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-03 21:27:05,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-03 21:27:05,033 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-03 21:27:05,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-03 21:27:05,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-03 21:27:05,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-03 21:27:05,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-03 21:27:05,034 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-03 21:27:05,035 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-03 21:27:05,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-03 21:27:05,035 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-03 21:27:05,089 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-03 21:27:05,101 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-03 21:27:05,104 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-03 21:27:05,106 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-03 21:27:05,106 INFO L275 PluginConnector]: CDTParser initialized [2019-09-03 21:27:05,107 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-09-03 21:27:05,167 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d30e4c32/fc5ab5750ad941f79471ce9e4a73b0ef/FLAG6393d0eae [2019-09-03 21:27:05,758 INFO L306 CDTParser]: Found 1 translation units. [2019-09-03 21:27:05,759 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-industry-pattern/aiob_4.c.v+nlh-reducer.c [2019-09-03 21:27:05,779 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d30e4c32/fc5ab5750ad941f79471ce9e4a73b0ef/FLAG6393d0eae [2019-09-03 21:27:06,025 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6d30e4c32/fc5ab5750ad941f79471ce9e4a73b0ef [2019-09-03 21:27:06,038 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-03 21:27:06,039 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-03 21:27:06,040 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:06,040 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-03 21:27:06,044 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-03 21:27:06,045 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:06,048 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c3393aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06, skipping insertion in model container [2019-09-03 21:27:06,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:06,056 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-03 21:27:06,140 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-03 21:27:06,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:06,687 INFO L188 MainTranslator]: Completed pre-run [2019-09-03 21:27:06,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-03 21:27:06,926 INFO L192 MainTranslator]: Completed translation [2019-09-03 21:27:06,926 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06 WrapperNode [2019-09-03 21:27:06,927 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-03 21:27:06,928 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-03 21:27:06,928 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-03 21:27:06,929 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-03 21:27:06,943 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:06,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:07,016 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:07,016 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:07,098 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:07,111 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:07,120 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (1/1) ... [2019-09-03 21:27:07,136 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-03 21:27:07,137 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-03 21:27:07,137 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-03 21:27:07,137 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-03 21:27:07,138 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.09 09:27:06" (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 [2019-09-03 21:27:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-03 21:27:07,225 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-03 21:27:07,226 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-03 21:27:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-03 21:27:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure Id_MCDC_89 [2019-09-03 21:27:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure fopen [2019-09-03 21:27:07,226 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-03 21:27:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-09-03 21:27:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-03 21:27:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-03 21:27:07,227 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-03 21:27:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-03 21:27:07,228 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-03 21:27:07,229 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-03 21:27:07,230 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-03 21:27:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-03 21:27:07,231 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-03 21:27:09,209 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-03 21:27:09,210 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-03 21:27:09,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:09 BoogieIcfgContainer [2019-09-03 21:27:09,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-03 21:27:09,213 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-03 21:27:09,213 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-03 21:27:09,214 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-03 21:27:09,215 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.09 09:27:09" (1/1) ... [2019-09-03 21:27:09,267 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-03 21:27:09,365 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-03 21:27:09,371 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. [2019-09-03 21:27:09,372 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-03 21:27:09,375 INFO L168 Benchmark]: Toolchain (without parser) took 3334.44 ms. Allocated memory was 139.5 MB in the beginning and 266.3 MB in the end (delta: 126.9 MB). Free memory was 85.2 MB in the beginning and 165.4 MB in the end (delta: -80.2 MB). Peak memory consumption was 46.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:09,376 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 139.5 MB. Free memory was 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-03 21:27:09,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 887.02 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 153.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:09,378 INFO L168 Benchmark]: Boogie Preprocessor took 208.88 ms. Allocated memory is still 199.8 MB. Free memory was 153.4 MB in the beginning and 141.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:09,379 INFO L168 Benchmark]: RCFGBuilder took 2075.53 ms. Allocated memory was 199.8 MB in the beginning and 266.3 MB in the end (delta: 66.6 MB). Free memory was 141.5 MB in the beginning and 174.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:09,380 INFO L168 Benchmark]: Abstract Interpretation took 158.96 ms. Allocated memory is still 266.3 MB. Free memory was 174.3 MB in the beginning and 165.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 7.1 GB. [2019-09-03 21:27:09,385 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 105.6 MB in the beginning and 105.4 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 887.02 ms. Allocated memory was 139.5 MB in the beginning and 199.8 MB in the end (delta: 60.3 MB). Free memory was 85.0 MB in the beginning and 153.4 MB in the end (delta: -68.4 MB). Peak memory consumption was 28.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 208.88 ms. Allocated memory is still 199.8 MB. Free memory was 153.4 MB in the beginning and 141.5 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 7.1 GB. * RCFGBuilder took 2075.53 ms. Allocated memory was 199.8 MB in the beginning and 266.3 MB in the end (delta: 66.6 MB). Free memory was 141.5 MB in the beginning and 174.3 MB in the end (delta: -32.7 MB). Peak memory consumption was 101.7 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 158.96 ms. Allocated memory is still 266.3 MB. Free memory was 174.3 MB in the beginning and 165.4 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 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: 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...