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/ldv-regression/test23-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-673a906-m [2019-10-03 12:35:08,820 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-03 12:35:08,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-03 12:35:08,834 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-10-03 12:35:08,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-03 12:35:08,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-03 12:35:08,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-03 12:35:08,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-03 12:35:08,847 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-03 12:35:08,848 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-03 12:35:08,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-03 12:35:08,852 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-03 12:35:08,853 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-03 12:35:08,854 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-03 12:35:08,855 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-03 12:35:08,856 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-03 12:35:08,859 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-10-03 12:35:08,869 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 12:35:08,892 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-03 12:35:08,894 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-03 12:35:08,894 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-10-03 12:35:08,895 INFO L138 SettingsManager]: * Log level for plugins=info [2019-10-03 12:35:08,896 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-10-03 12:35:08,896 INFO L138 SettingsManager]: * User list type=DISABLED [2019-10-03 12:35:08,896 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-10-03 12:35:08,896 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-10-03 12:35:08,897 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-10-03 12:35:08,897 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-10-03 12:35:08,898 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-03 12:35:08,898 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-03 12:35:08,899 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-03 12:35:08,899 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-03 12:35:08,899 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-03 12:35:08,899 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-03 12:35:08,899 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-03 12:35:08,900 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-03 12:35:08,900 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-03 12:35:08,900 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-03 12:35:08,901 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-03 12:35:08,901 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-10-03 12:35:08,902 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-03 12:35:08,902 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-03 12:35:08,902 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-03 12:35:08,903 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-03 12:35:08,903 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-10-03 12:35:08,903 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-03 12:35:08,903 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-10-03 12:35:08,903 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-10-03 12:35:08,955 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-03 12:35:08,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-03 12:35:08,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-03 12:35:08,975 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-03 12:35:08,975 INFO L275 PluginConnector]: CDTParser initialized [2019-10-03 12:35:08,976 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-2.c [2019-10-03 12:35:09,047 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7542301/ad1a14b82c964db49626bf76687afbae/FLAG4af18f4f8 [2019-10-03 12:35:09,497 INFO L306 CDTParser]: Found 1 translation units. [2019-10-03 12:35:09,498 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-2.c [2019-10-03 12:35:09,505 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7542301/ad1a14b82c964db49626bf76687afbae/FLAG4af18f4f8 [2019-10-03 12:35:09,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ac7542301/ad1a14b82c964db49626bf76687afbae [2019-10-03 12:35:09,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-03 12:35:09,888 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-10-03 12:35:09,889 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-03 12:35:09,889 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-03 12:35:09,895 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-03 12:35:09,896 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:35:09" (1/1) ... [2019-10-03 12:35:09,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fef9e91 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:09, skipping insertion in model container [2019-10-03 12:35:09,899 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.10 12:35:09" (1/1) ... [2019-10-03 12:35:09,905 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-03 12:35:09,923 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-03 12:35:10,128 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:35:10,142 INFO L188 MainTranslator]: Completed pre-run [2019-10-03 12:35:10,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-03 12:35:10,275 INFO L192 MainTranslator]: Completed translation [2019-10-03 12:35:10,276 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10 WrapperNode [2019-10-03 12:35:10,276 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-03 12:35:10,276 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-03 12:35:10,277 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-03 12:35:10,277 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-03 12:35:10,286 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,287 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,296 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,312 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,317 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,319 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-03 12:35:10,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-03 12:35:10,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-03 12:35:10,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-03 12:35:10,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.10 12:35:10" (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 12:35:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-10-03 12:35:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-03 12:35:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-10-03 12:35:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-10-03 12:35:10,383 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-10-03 12:35:10,384 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-10-03 12:35:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-10-03 12:35:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-10-03 12:35:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-10-03 12:35:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-10-03 12:35:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-03 12:35:10,384 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-10-03 12:35:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-10-03 12:35:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-03 12:35:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-10-03 12:35:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-10-03 12:35:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-03 12:35:10,385 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-10-03 12:35:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-03 12:35:10,386 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-03 12:35:10,721 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-03 12:35:10,721 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-10-03 12:35:10,723 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:35:10 BoogieIcfgContainer [2019-10-03 12:35:10,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-03 12:35:10,723 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-10-03 12:35:10,724 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-10-03 12:35:10,724 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-10-03 12:35:10,725 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.10 12:35:10" (1/1) ... [2019-10-03 12:35:10,760 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-10-03 12:35:10,817 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-10-03 12:35:10,821 INFO L272 AbstractInterpreter]: Visited 2 different actions 2 times. Never merged. Never widened. Performed 13 root evaluator evaluations with a maximum evaluation depth of 0. Performed 13 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 20 variables. [2019-10-03 12:35:10,821 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-10-03 12:35:10,824 INFO L168 Benchmark]: Toolchain (without parser) took 935.32 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.8 MB in the beginning and 149.9 MB in the end (delta: -63.1 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:35:10,825 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. [2019-10-03 12:35:10,826 INFO L168 Benchmark]: CACSL2BoogieTranslator took 387.33 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.4 MB in the beginning and 175.5 MB in the end (delta: -89.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:10,828 INFO L168 Benchmark]: Boogie Preprocessor took 45.32 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 172.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:10,829 INFO L168 Benchmark]: RCFGBuilder took 400.66 ms. Allocated memory is still 198.7 MB. Free memory was 172.9 MB in the beginning and 154.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:10,830 INFO L168 Benchmark]: Abstract Interpretation took 97.96 ms. Allocated memory is still 198.7 MB. Free memory was 154.5 MB in the beginning and 149.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-10-03 12:35:10,834 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 139.5 MB. Free memory is still 105.0 MB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 387.33 ms. Allocated memory was 139.5 MB in the beginning and 198.7 MB in the end (delta: 59.2 MB). Free memory was 86.4 MB in the beginning and 175.5 MB in the end (delta: -89.2 MB). Peak memory consumption was 20.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 45.32 ms. Allocated memory is still 198.7 MB. Free memory was 175.5 MB in the beginning and 172.9 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 400.66 ms. Allocated memory is still 198.7 MB. Free memory was 172.9 MB in the beginning and 154.5 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 97.96 ms. Allocated memory is still 198.7 MB. Free memory was 154.5 MB in the beginning and 149.9 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 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: 50]: 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...