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/array-crafted/zero_sum4.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 04:24:09,885 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 04:24:09,887 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 04:24:09,899 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 04:24:09,910 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 04:24:09,911 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 04:24:09,912 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 04:24:09,913 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 04:24:09,914 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 04:24:09,915 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 04:24:09,917 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 04:24:09,919 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 04:24:09,921 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 04:24:09,922 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 04:24:09,923 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 04:24:09,924 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 04:24:09,927 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 04:24:09,938 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 [2019-10-03 04:24:09,954 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 04:24:09,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 04:24:09,955 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 04:24:09,955 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 04:24:09,956 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 04:24:09,956 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 04:24:09,956 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 04:24:09,956 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 04:24:09,956 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 04:24:09,957 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 04:24:09,957 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 04:24:09,958 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 04:24:09,958 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 04:24:09,958 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 04:24:09,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 04:24:09,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 04:24:09,959 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 04:24:09,959 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 04:24:09,959 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 04:24:09,959 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 04:24:09,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 04:24:09,960 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 04:24:09,960 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 04:24:09,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 04:24:09,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 04:24:09,960 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 04:24:09,961 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 04:24:09,961 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 04:24:09,961 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 04:24:09,961 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 04:24:09,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 04:24:10,002 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 04:24:10,006 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 04:24:10,008 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 04:24:10,008 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 04:24:10,009 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-crafted/zero_sum4.c [2019-10-03 04:24:10,071 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/488cfabec/85b826dfaa034264bafc606a4edfd643/FLAG778f3e6e3 [2019-10-03 04:24:10,541 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 04:24:10,543 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/array-crafted/zero_sum4.c [2019-10-03 04:24:10,551 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/488cfabec/85b826dfaa034264bafc606a4edfd643/FLAG778f3e6e3 [2019-10-03 04:24:10,922 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/488cfabec/85b826dfaa034264bafc606a4edfd643 [2019-10-03 04:24:10,931 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 04:24:10,933 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 04:24:10,940 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 04:24:10,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 04:24:10,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 04:24:10,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:24:10" (1/1) ... [2019-10-03 04:24:10,948 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@774ea263 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:10, skipping insertion in model container [2019-10-03 04:24:10,949 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 04:24:10" (1/1) ... [2019-10-03 04:24:10,956 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 04:24:10,976 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 04:24:11,168 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 04:24:11,171 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 04:24:11,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 04:24:11,302 INFO L192 MainTranslator]: Completed translation [2019-10-03 04:24:11,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11 WrapperNode [2019-10-03 04:24:11,303 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 04:24:11,304 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 04:24:11,304 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 04:24:11,304 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 04:24:11,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,321 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,341 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,342 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,358 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,359 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,362 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 04:24:11,362 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 04:24:11,362 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 04:24:11,363 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 04:24:11,363 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 04:24:11" (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 [2019-10-03 04:24:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 04:24:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 04:24:11,427 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-10-03 04:24:11,428 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 04:24:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 04:24:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assume [2019-10-03 04:24:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-10-03 04:24:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_short [2019-10-03 04:24:11,428 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 04:24:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 04:24:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 04:24:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 04:24:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 04:24:11,429 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 04:24:11,430 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 04:24:11,720 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 04:24:11,720 INFO L283 CfgBuilder]: Removed 9 assume(true) statements. [2019-10-03 04:24:11,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:24:11 BoogieIcfgContainer [2019-10-03 04:24:11,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 04:24:11,723 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 04:24:11,723 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 04:24:11,723 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 04:24:11,724 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 04:24:11" (1/1) ... [2019-10-03 04:24:11,762 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 04:24:11,913 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 04:24:11,918 INFO L272 AbstractInterpreter]: Visited 12 different actions 12 times. Never merged. Never widened. Performed 23 root evaluator evaluations with a maximum evaluation depth of 3. Performed 23 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 39 variables. [2019-10-03 04:24:11,918 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 04:24:11,921 INFO L168 Benchmark]: Toolchain (without parser) took 987.10 ms. Allocated memory was 133.2 MB in the beginning and 197.7 MB in the end (delta: 64.5 MB). Free memory was 85.4 MB in the beginning and 147.2 MB in the end (delta: -61.8 MB). Peak memory consumption was 2.7 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:11,923 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 133.2 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. [2019-10-03 04:24:11,924 INFO L168 Benchmark]: CACSL2BoogieTranslator took 363.03 ms. Allocated memory was 133.2 MB in the beginning and 197.7 MB in the end (delta: 64.5 MB). Free memory was 85.0 MB in the beginning and 175.4 MB in the end (delta: -90.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:11,925 INFO L168 Benchmark]: Boogie Preprocessor took 58.15 ms. Allocated memory is still 197.7 MB. Free memory was 175.4 MB in the beginning and 173.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:11,926 INFO L168 Benchmark]: RCFGBuilder took 359.77 ms. Allocated memory is still 197.7 MB. Free memory was 173.0 MB in the beginning and 153.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:11,927 INFO L168 Benchmark]: Abstract Interpretation took 195.49 ms. Allocated memory is still 197.7 MB. Free memory was 153.0 MB in the beginning and 147.2 MB in the end (delta: 5.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 7.1 GB. [2019-10-03 04:24:11,932 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 133.2 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 363.03 ms. Allocated memory was 133.2 MB in the beginning and 197.7 MB in the end (delta: 64.5 MB). Free memory was 85.0 MB in the beginning and 175.4 MB in the end (delta: -90.4 MB). Peak memory consumption was 22.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 58.15 ms. Allocated memory is still 197.7 MB. Free memory was 175.4 MB in the beginning and 173.0 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 359.77 ms. Allocated memory is still 197.7 MB. Free memory was 173.0 MB in the beginning and 153.0 MB in the end (delta: 20.1 MB). Peak memory consumption was 20.1 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 195.49 ms. Allocated memory is still 197.7 MB. Free memory was 153.0 MB in the beginning and 147.2 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: 3]: 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...