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/test22-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:34,353 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:34,355 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:34,371 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:34,372 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:34,373 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:34,375 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:34,380 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:34,385 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:34,386 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:34,388 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:34,389 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:34,389 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:34,390 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:34,391 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:34,392 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:34,393 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:34,394 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:34,395 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:34,399 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:34,401 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:34,403 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:34,406 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:34,406 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:34,409 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:34,421 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:34,422 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:34,423 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:34,425 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 [2019-08-10 02:01:34,452 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:34,452 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:34,454 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:34,454 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:34,455 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:34,455 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:34,455 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:34,455 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:34,455 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:34,456 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:34,457 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:34,457 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:34,457 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:34,457 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:34,458 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:34,458 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:34,458 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:34,458 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:34,459 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:34,459 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:34,459 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:34,459 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:34,459 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:34,460 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:34,460 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:34,460 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:34,460 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:34,461 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:34,461 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:34,516 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:34,531 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:34,535 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:34,536 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:34,536 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:34,537 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test22-2.c [2019-08-10 02:01:34,593 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058d61142/8bf0db43d3174abababe6bd002aaf592/FLAGb7e952759 [2019-08-10 02:01:35,012 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:35,012 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test22-2.c [2019-08-10 02:01:35,018 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058d61142/8bf0db43d3174abababe6bd002aaf592/FLAGb7e952759 [2019-08-10 02:01:35,357 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/058d61142/8bf0db43d3174abababe6bd002aaf592 [2019-08-10 02:01:35,370 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:35,371 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:35,372 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:35,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:35,376 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:35,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,380 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2705cd2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35, skipping insertion in model container [2019-08-10 02:01:35,380 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,388 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:35,408 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:35,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:35,668 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:35,705 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:35,728 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:35,729 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35 WrapperNode [2019-08-10 02:01:35,730 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:35,731 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:35,731 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:35,731 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:35,849 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,850 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,860 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,886 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,892 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,900 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (1/1) ... [2019-08-10 02:01:35,903 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:35,904 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:35,904 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:35,904 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:35,906 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:35" (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 [2019-08-10 02:01:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-10 02:01:35,962 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-10 02:01:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:35,963 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 02:01:35,963 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 02:01:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-10 02:01:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:35,964 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-10 02:01:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:35,965 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:36,277 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:36,277 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-10 02:01:36,278 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:36 BoogieIcfgContainer [2019-08-10 02:01:36,279 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:36,279 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:36,279 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:36,279 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:36,280 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:36" (1/1) ... [2019-08-10 02:01:36,686 WARN L188 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-08-10 02:01:36,926 WARN L188 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-10 02:01:37,070 WARN L188 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-10 02:01:37,172 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:37,179 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:37,182 INFO L168 Benchmark]: Toolchain (without parser) took 1809.86 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 87.5 MB in the beginning and 82.9 MB in the end (delta: 4.5 MB). Peak memory consumption was 73.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:37,183 INFO L168 Benchmark]: CDTParser took 0.44 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:37,184 INFO L168 Benchmark]: CACSL2BoogieTranslator took 358.25 ms. Allocated memory is still 131.6 MB. Free memory was 87.1 MB in the beginning and 76.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:37,188 INFO L168 Benchmark]: Boogie Preprocessor took 172.34 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 76.8 MB in the beginning and 175.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:37,189 INFO L168 Benchmark]: RCFGBuilder took 375.05 ms. Allocated memory is still 200.3 MB. Free memory was 175.9 MB in the beginning and 157.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:37,190 INFO L168 Benchmark]: Symbolic Interpretation took 900.58 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 82.9 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:37,195 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 48]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 77#(not (= main_~i~0 (select (select |#memory_int| main_~pd2~0.base) main_~pd2~0.offset))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.44 ms. Allocated memory is still 131.6 MB. Free memory was 105.8 MB in the beginning and 105.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 358.25 ms. Allocated memory is still 131.6 MB. Free memory was 87.1 MB in the beginning and 76.8 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 172.34 ms. Allocated memory was 131.6 MB in the beginning and 200.3 MB in the end (delta: 68.7 MB). Free memory was 76.8 MB in the beginning and 175.9 MB in the end (delta: -99.1 MB). Peak memory consumption was 15.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 375.05 ms. Allocated memory is still 200.3 MB. Free memory was 175.9 MB in the beginning and 157.7 MB in the end (delta: 18.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 900.58 ms. Allocated memory is still 200.3 MB. Free memory was 157.7 MB in the beginning and 82.9 MB in the end (delta: 74.8 MB). Peak memory consumption was 74.8 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...