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/test23-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-55cd5f5 [2019-08-14 20:14:48,397 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-14 20:14:48,399 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-14 20:14:48,411 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-14 20:14:48,411 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-14 20:14:48,412 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-14 20:14:48,414 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-14 20:14:48,416 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-14 20:14:48,417 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-14 20:14:48,418 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-14 20:14:48,419 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-14 20:14:48,420 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-14 20:14:48,420 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-14 20:14:48,421 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-14 20:14:48,422 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-14 20:14:48,423 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-14 20:14:48,424 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-14 20:14:48,425 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-14 20:14:48,427 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-14 20:14:48,428 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-14 20:14:48,430 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-14 20:14:48,431 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-14 20:14:48,432 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-14 20:14:48,432 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-14 20:14:48,434 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-14 20:14:48,437 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-14 20:14:48,438 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-14 20:14:48,438 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-14 20:14:48,439 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-14 20:14:48,440 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-14 20:14:48,440 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-14 20:14:48,441 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-14 20:14:48,441 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-14 20:14:48,441 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-14 20:14:48,442 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-14 20:14:48,443 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-14 20:14:48,443 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 20:14:48,457 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-14 20:14:48,458 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-14 20:14:48,459 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-14 20:14:48,459 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-14 20:14:48,459 INFO L138 SettingsManager]: * Use SBE=true [2019-08-14 20:14:48,459 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-14 20:14:48,460 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-14 20:14:48,460 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-14 20:14:48,460 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-14 20:14:48,460 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-14 20:14:48,460 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-14 20:14:48,461 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-14 20:14:48,461 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-14 20:14:48,461 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-14 20:14:48,461 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-14 20:14:48,461 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-14 20:14:48,461 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-14 20:14:48,462 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-14 20:14:48,462 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-14 20:14:48,462 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-14 20:14:48,462 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-14 20:14:48,462 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-14 20:14:48,463 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-14 20:14:48,463 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-14 20:14:48,463 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-14 20:14:48,463 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-14 20:14:48,463 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-14 20:14:48,464 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-14 20:14:48,464 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-14 20:14:48,491 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-14 20:14:48,504 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-14 20:14:48,507 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-14 20:14:48,509 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-14 20:14:48,509 INFO L275 PluginConnector]: CDTParser initialized [2019-08-14 20:14:48,510 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test23-1.c [2019-08-14 20:14:48,568 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a422f7716/87ed0c22f6be4679bae11d007e68c69b/FLAGdc9bbf1c1 [2019-08-14 20:14:48,987 INFO L306 CDTParser]: Found 1 translation units. [2019-08-14 20:14:48,987 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test23-1.c [2019-08-14 20:14:48,997 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a422f7716/87ed0c22f6be4679bae11d007e68c69b/FLAGdc9bbf1c1 [2019-08-14 20:14:49,387 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a422f7716/87ed0c22f6be4679bae11d007e68c69b [2019-08-14 20:14:49,396 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-14 20:14:49,397 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-14 20:14:49,399 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:49,399 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-14 20:14:49,402 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-14 20:14:49,403 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,406 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e64a37c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49, skipping insertion in model container [2019-08-14 20:14:49,406 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,414 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-14 20:14:49,432 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-14 20:14:49,632 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:49,657 INFO L188 MainTranslator]: Completed pre-run [2019-08-14 20:14:49,785 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-14 20:14:49,806 INFO L192 MainTranslator]: Completed translation [2019-08-14 20:14:49,807 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49 WrapperNode [2019-08-14 20:14:49,807 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-14 20:14:49,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-14 20:14:49,808 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-14 20:14:49,808 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-14 20:14:49,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,821 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,833 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,833 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,842 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,847 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,849 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (1/1) ... [2019-08-14 20:14:49,851 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-14 20:14:49,851 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-14 20:14:49,851 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-14 20:14:49,852 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-14 20:14:49,853 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.08 08:14:49" (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 20:14:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-14 20:14:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-14 20:14:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-14 20:14:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-14 20:14:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-14 20:14:49,914 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-14 20:14:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-14 20:14:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-14 20:14:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-14 20:14:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-14 20:14:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-14 20:14:49,915 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-14 20:14:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-14 20:14:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-14 20:14:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-14 20:14:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-14 20:14:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-14 20:14:49,916 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-14 20:14:49,917 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-14 20:14:50,215 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-14 20:14:50,216 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-14 20:14:50,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:50 BoogieIcfgContainer [2019-08-14 20:14:50,217 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-14 20:14:50,218 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-14 20:14:50,218 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-14 20:14:50,218 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-14 20:14:50,219 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.08 08:14:50" (1/1) ... [2019-08-14 20:14:50,910 WARN L188 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-14 20:14:51,067 WARN L188 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-14 20:14:51,322 WARN L188 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 34 [2019-08-14 20:14:51,436 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-14 20:14:51,439 INFO L168 Benchmark]: Toolchain (without parser) took 2040.12 ms. Allocated memory was 138.9 MB in the beginning and 221.8 MB in the end (delta: 82.8 MB). Free memory was 85.7 MB in the beginning and 176.2 MB in the end (delta: -90.5 MB). Peak memory consumption was 75.1 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:51,443 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-14 20:14:51,444 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.58 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.5 MB in the beginning and 176.6 MB in the end (delta: -91.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:51,445 INFO L168 Benchmark]: Boogie Preprocessor took 43.53 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:51,446 INFO L168 Benchmark]: RCFGBuilder took 366.13 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 157.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:51,448 INFO L168 Benchmark]: Symbolic Interpretation took 1218.09 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 157.3 MB in the beginning and 176.2 MB in the end (delta: -18.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. [2019-08-14 20:14:51,457 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 50]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Over-approximation of reachable states at this location is 73#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) (+ (* 4 main_~i~0) main_~pd2~0.offset 8)))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.9 MB. Free memory was 105.0 MB in the beginning and 104.8 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 408.58 ms. Allocated memory was 138.9 MB in the beginning and 199.2 MB in the end (delta: 60.3 MB). Free memory was 85.5 MB in the beginning and 176.6 MB in the end (delta: -91.1 MB). Peak memory consumption was 20.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 43.53 ms. Allocated memory is still 199.2 MB. Free memory was 176.6 MB in the beginning and 174.1 MB in the end (delta: 2.4 MB). Peak memory consumption was 2.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 366.13 ms. Allocated memory is still 199.2 MB. Free memory was 174.1 MB in the beginning and 157.3 MB in the end (delta: 16.8 MB). Peak memory consumption was 16.8 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 1218.09 ms. Allocated memory was 199.2 MB in the beginning and 221.8 MB in the end (delta: 22.5 MB). Free memory was 157.3 MB in the beginning and 176.2 MB in the end (delta: -18.9 MB). Peak memory consumption was 86.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...