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/test21-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:14:43,196 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:43,201 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:43,213 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:43,214 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:43,215 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:43,216 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:43,218 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:43,219 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:43,220 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:43,221 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:43,222 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:43,223 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:43,224 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:43,224 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:43,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:43,226 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:43,227 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:43,229 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:43,231 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:43,233 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:43,234 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:43,235 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:43,236 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:43,239 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:43,242 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:14:43,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:14:43,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:14:43,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:14:43,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:14:43,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:14:43,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:14:43,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:14:43,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:43,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:43,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:43,251 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 20:14:43,267 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:43,267 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:43,269 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:43,269 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:43,269 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:43,271 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:43,271 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:43,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:43,272 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:43,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:43,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:43,273 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:43,273 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:43,273 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:43,273 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:43,274 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:43,274 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:43,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:43,276 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:43,276 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:43,276 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:43,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:43,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:43,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:43,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:43,277 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:43,278 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:43,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:43,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:43,308 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:43,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:43,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:43,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:43,325 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:43,326 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-1.c [2019-08-14 20:14:43,386 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a092cb1/669cf63c1a554736a3dc9296bf06b41f/FLAG59602f1a9 [2019-08-14 20:14:43,852 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:43,854 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-1.c [2019-08-14 20:14:43,861 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a092cb1/669cf63c1a554736a3dc9296bf06b41f/FLAG59602f1a9 [2019-08-14 20:14:44,195 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b9a092cb1/669cf63c1a554736a3dc9296bf06b41f [2019-08-14 20:14:44,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:44,208 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:44,209 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:44,209 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:44,213 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:44,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,218 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4e3997a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44, skipping insertion in model container [2019-08-14 20:14:44,218 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:44,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:44,510 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:44,525 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:44,548 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:44,571 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:44,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44 WrapperNode [2019-08-14 20:14:44,572 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:44,572 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:44,572 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:44,573 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:44,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,683 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,701 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,705 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (1/1) ... [2019-08-14 20:14:44,712 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:44,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:44,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:44,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:44,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:44" (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 20:14:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-14 20:14:44,775 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-14 20:14:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-14 20:14:44,776 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:14:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 20:14:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 20:14:44,776 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-14 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:44,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-14 20:14:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:44,778 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:45,065 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:45,065 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-14 20:14:45,067 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:45 BoogieIcfgContainer [2019-08-14 20:14:45,067 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:45,068 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:45,068 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:45,068 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:45,069 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:45" (1/1) ... [2019-08-14 20:14:45,457 WARN L188 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-08-14 20:14:45,666 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-14 20:14:45,814 WARN L188 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-14 20:14:45,907 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:45,910 INFO L168 Benchmark]: Toolchain (without parser) took 1700.76 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 89.2 MB in the beginning and 89.3 MB in the end (delta: -67.8 kB). Peak memory consumption was 59.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:45,911 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:45,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.79 ms. Allocated memory is still 141.0 MB. Free memory was 89.0 MB in the beginning and 79.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:45,913 INFO L168 Benchmark]: Boogie Preprocessor took 141.49 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 79.0 MB in the beginning and 178.2 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:45,914 INFO L168 Benchmark]: RCFGBuilder took 353.02 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 162.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:45,915 INFO L168 Benchmark]: Symbolic Interpretation took 839.60 ms. Allocated memory is still 200.8 MB. Free memory was 162.0 MB in the beginning and 89.3 MB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:45,919 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - PositiveResult [Line: 42]: 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 0.21 ms. Allocated memory is still 141.0 MB. Free memory was 107.2 MB in the beginning and 107.0 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 362.79 ms. Allocated memory is still 141.0 MB. Free memory was 89.0 MB in the beginning and 79.0 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.49 ms. Allocated memory was 141.0 MB in the beginning and 200.8 MB in the end (delta: 59.8 MB). Free memory was 79.0 MB in the beginning and 178.2 MB in the end (delta: -99.3 MB). Peak memory consumption was 11.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 353.02 ms. Allocated memory is still 200.8 MB. Free memory was 178.2 MB in the beginning and 162.0 MB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 839.60 ms. Allocated memory is still 200.8 MB. Free memory was 162.0 MB in the beginning and 89.3 MB in the end (delta: 72.7 MB). Peak memory consumption was 72.7 MB. Max. memory is 7.1 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...