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/test19.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:48:51,755 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:48:51,757 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:48:51,769 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... 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[2019-09-20 13:48:51,778 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:48:51,779 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:48:51,780 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:48:51,782 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:48:51,782 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:48:51,783 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:48:51,785 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:48:51,787 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:48:51,789 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:48:51,790 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:48:51,791 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:48:51,792 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:48:51,794 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-09-20 13:48:51,804 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 13:48:51,819 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:48:51,820 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:48:51,820 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2019-09-20 13:48:51,820 INFO L138 SettingsManager]: * Log level for plugins=info [2019-09-20 13:48:51,821 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-09-20 13:48:51,821 INFO L138 SettingsManager]: * User list type=DISABLED [2019-09-20 13:48:51,821 INFO L138 SettingsManager]: * Ignore calls to and inside polymorphic procedures=false [2019-09-20 13:48:51,822 INFO L138 SettingsManager]: * Ignore calls to recursive procedures=false [2019-09-20 13:48:51,822 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2019-09-20 13:48:51,822 INFO L138 SettingsManager]: * Abstract domain=IntervalDomain [2019-09-20 13:48:51,823 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:48:51,823 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:48:51,823 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:48:51,823 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:48:51,824 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:48:51,824 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:48:51,824 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:48:51,824 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:48:51,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:48:51,825 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:48:51,825 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:48:51,825 INFO L138 SettingsManager]: * Remove goto edges from RCFG=true [2019-09-20 13:48:51,827 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:48:51,827 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:48:51,827 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:48:51,827 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:48:51,828 INFO L138 SettingsManager]: * Trace refinement strategy=TAIPAN [2019-09-20 13:48:51,828 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:48:51,828 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:48:51,828 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2019-09-20 13:48:51,877 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:48:51,892 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:48:51,896 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:48:51,897 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:48:51,898 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:48:51,898 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test19.c [2019-09-20 13:48:51,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f097ffa/217fbde00e4e4dd2ad4bac74c3d91535/FLAG013167471 [2019-09-20 13:48:52,461 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:48:52,462 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test19.c [2019-09-20 13:48:52,468 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f097ffa/217fbde00e4e4dd2ad4bac74c3d91535/FLAG013167471 [2019-09-20 13:48:52,835 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b4f097ffa/217fbde00e4e4dd2ad4bac74c3d91535 [2019-09-20 13:48:52,848 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:48:52,850 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:48:52,853 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:52,853 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:48:52,857 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:48:52,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,861 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fed0204 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:52, skipping insertion in model container [2019-09-20 13:48:52,862 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:48:52" (1/1) ... [2019-09-20 13:48:52,869 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:48:52,888 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:48:53,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:53,066 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:48:53,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:48:53,103 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:48:53,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53 WrapperNode [2019-09-20 13:48:53,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:48:53,105 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:48:53,105 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:48:53,106 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:48:53,214 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,216 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,228 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,229 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,249 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,257 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,261 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:48:53,261 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:48:53,261 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:48:53,261 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:48:53,262 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:48:53" (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 13:48:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:48:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:48:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure assign [2019-09-20 13:48:53,315 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:48:53,315 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:48:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:48:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure assign [2019-09-20 13:48:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:48:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:48:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:48:53,316 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:48:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:48:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:48:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2019-09-20 13:48:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:48:53,317 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:48:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:48:53,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:48:53,542 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:48:53,542 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-09-20 13:48:53,543 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:53 BoogieIcfgContainer [2019-09-20 13:48:53,543 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:48:53,544 INFO L113 PluginConnector]: ------------------------Abstract Interpretation---------------------------- [2019-09-20 13:48:53,544 INFO L271 PluginConnector]: Initializing Abstract Interpretation... [2019-09-20 13:48:53,544 INFO L275 PluginConnector]: Abstract Interpretation initialized [2019-09-20 13:48:53,545 INFO L185 PluginConnector]: Executing the observer AbstractInterpretationRcfgObserver from plugin Abstract Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:48:53" (1/1) ... [2019-09-20 13:48:53,573 INFO L101 FixpointEngine]: Starting fixpoint engine with domain IntervalDomain (maxUnwinding=3, maxParallelStates=2) [2019-09-20 13:48:53,649 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2019-09-20 13:48:53,655 INFO L272 AbstractInterpreter]: Visited 6 different actions 6 times. Never merged. Never widened. Performed 19 root evaluator evaluations with a maximum evaluation depth of 0. Performed 19 inverse root evaluator evaluations with a maximum inverse evaluation depth of 0. Never found a fixpoint. Largest state had 29 variables. [2019-09-20 13:48:53,656 INFO L132 PluginConnector]: ------------------------ END Abstract Interpretation---------------------------- [2019-09-20 13:48:53,659 INFO L168 Benchmark]: Toolchain (without parser) took 807.57 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 85.8 MB in the beginning and 154.6 MB in the end (delta: -68.8 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-09-20 13:48:53,660 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,661 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.74 ms. Allocated memory is still 137.9 MB. Free memory was 85.6 MB in the beginning and 75.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,662 INFO L168 Benchmark]: Boogie Preprocessor took 155.64 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 75.3 MB in the beginning and 175.6 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,663 INFO L168 Benchmark]: RCFGBuilder took 282.13 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 160.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,664 INFO L168 Benchmark]: Abstract Interpretation took 111.99 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 154.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 7.1 GB. [2019-09-20 13:48:53,669 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 137.9 MB. Free memory was 104.0 MB in the beginning and 103.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.74 ms. Allocated memory is still 137.9 MB. Free memory was 85.6 MB in the beginning and 75.3 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 155.64 ms. Allocated memory was 137.9 MB in the beginning and 198.7 MB in the end (delta: 60.8 MB). Free memory was 75.3 MB in the beginning and 175.6 MB in the end (delta: -100.2 MB). Peak memory consumption was 11.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 282.13 ms. Allocated memory is still 198.7 MB. Free memory was 175.6 MB in the beginning and 160.1 MB in the end (delta: 15.4 MB). Peak memory consumption was 15.4 MB. Max. memory is 7.1 GB. * Abstract Interpretation took 111.99 ms. Allocated memory is still 198.7 MB. Free memory was 159.5 MB in the beginning and 154.6 MB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 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: 22]: 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...