java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/SifaC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-regression/test03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:14:19,560 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:19,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:19,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:19,574 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:19,575 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:19,576 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:19,578 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:19,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:19,581 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:19,582 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:19,583 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:19,583 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:19,584 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:19,585 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:19,586 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:19,587 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:19,588 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:19,589 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:19,591 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:19,593 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:19,597 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:19,599 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:19,600 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:19,605 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:19,618 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:19,619 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:19,621 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:19,622 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2019-08-14 20:14:19,650 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:19,651 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:19,654 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:19,654 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:19,654 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:19,654 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:19,655 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:19,655 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:19,655 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:19,655 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:19,656 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:19,656 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:19,657 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:19,657 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:19,657 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:19,657 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:19,658 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:19,658 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:19,658 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:19,658 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:19,659 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:19,659 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:19,659 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:19,659 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:19,660 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:19,660 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:19,660 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:19,660 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:19,660 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:19,708 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:19,725 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:19,729 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:19,730 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:19,730 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:19,731 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test03.c [2019-08-14 20:14:19,795 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a205a496/8cbb4f31bb28459aa1a5d7f398035f09/FLAGe22e090ca [2019-08-14 20:14:20,213 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:20,216 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test03.c [2019-08-14 20:14:20,223 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a205a496/8cbb4f31bb28459aa1a5d7f398035f09/FLAGe22e090ca [2019-08-14 20:14:20,610 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/9a205a496/8cbb4f31bb28459aa1a5d7f398035f09 [2019-08-14 20:14:20,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:20,620 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:20,621 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:20,621 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:20,624 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:20,625 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,628 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@66220cb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20, skipping insertion in model container [2019-08-14 20:14:20,628 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,635 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:20,648 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:20,781 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:20,786 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:20,803 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:20,823 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:20,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20 WrapperNode [2019-08-14 20:14:20,823 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:20,824 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:20,824 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:20,825 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:20,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,918 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,933 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,934 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (1/1) ... [2019-08-14 20:14:20,935 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:20,936 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:20,936 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:20,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:20,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:20" (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 [2019-08-14 20:14:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:20,995 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2019-08-14 20:14:20,996 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure f [2019-08-14 20:14:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:20,996 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:20,997 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:21,172 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:21,172 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:14:21,174 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:21 BoogieIcfgContainer [2019-08-14 20:14:21,174 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:21,174 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:21,175 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:21,175 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:21,176 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:21" (1/1) ... [2019-08-14 20:14:21,452 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:21,455 INFO L168 Benchmark]: Toolchain (without parser) took 833.89 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 87.3 MB in the beginning and 153.2 MB in the end (delta: -65.9 MB). Peak memory consumption was 638.4 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:21,456 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 132.6 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. [2019-08-14 20:14:21,457 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.94 ms. Allocated memory is still 132.6 MB. Free memory was 87.1 MB in the beginning and 77.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:21,458 INFO L168 Benchmark]: Boogie Preprocessor took 111.34 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 77.7 MB in the beginning and 176.0 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:21,459 INFO L168 Benchmark]: RCFGBuilder took 238.05 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 162.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:21,460 INFO L168 Benchmark]: Symbolic Interpretation took 278.29 ms. Allocated memory is still 199.2 MB. Free memory was 162.8 MB in the beginning and 153.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:21,464 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 26]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 132.6 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 202.94 ms. Allocated memory is still 132.6 MB. Free memory was 87.1 MB in the beginning and 77.7 MB in the end (delta: 9.4 MB). Peak memory consumption was 9.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.34 ms. Allocated memory was 132.6 MB in the beginning and 199.2 MB in the end (delta: 66.6 MB). Free memory was 77.7 MB in the beginning and 176.0 MB in the end (delta: -98.4 MB). Peak memory consumption was 16.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 238.05 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 162.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 278.29 ms. Allocated memory is still 199.2 MB. Free memory was 162.8 MB in the beginning and 153.2 MB in the end (delta: 9.6 MB). Peak memory consumption was 9.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...