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/test21-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:31,640 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:31,642 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:31,653 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:31,654 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:31,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:31,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:31,658 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:31,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:31,660 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:31,661 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:31,662 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:31,663 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:31,663 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:31,664 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:31,665 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:31,666 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:31,667 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:31,669 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:31,673 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:31,677 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:31,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:31,681 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:31,682 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:31,687 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:31,694 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:31,695 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:31,696 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:31,696 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 02:01:31,720 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:31,720 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:31,722 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:31,722 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:31,722 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:31,722 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:31,723 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:31,723 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:31,723 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:31,724 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:31,725 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:31,725 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:31,725 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:31,726 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:31,726 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:31,726 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:31,726 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:31,727 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:31,727 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:31,727 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:31,727 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:31,728 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:31,728 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:31,728 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:31,728 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:31,729 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:31,729 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:31,729 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:31,729 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:31,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:31,783 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:31,786 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:31,788 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:31,788 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:31,789 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test21-2.c [2019-08-10 02:01:31,841 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6577f00b2/ab7485798e694b0da413464c3b62ad95/FLAG4cc788b82 [2019-08-10 02:01:32,244 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:32,247 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test21-2.c [2019-08-10 02:01:32,253 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6577f00b2/ab7485798e694b0da413464c3b62ad95/FLAG4cc788b82 [2019-08-10 02:01:32,611 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6577f00b2/ab7485798e694b0da413464c3b62ad95 [2019-08-10 02:01:32,623 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:32,626 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:32,627 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:32,628 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:32,631 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:32,632 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:32,635 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c18e061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32, skipping insertion in model container [2019-08-10 02:01:32,635 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:32,642 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:32,660 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:32,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:32,841 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:32,860 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:32,878 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:32,879 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32 WrapperNode [2019-08-10 02:01:32,879 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:32,880 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:32,880 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:32,880 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:32,980 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:32,980 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:32,987 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:32,987 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:32,998 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:33,000 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:33,001 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (1/1) ... [2019-08-10 02:01:33,004 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:33,004 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:33,004 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:33,004 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:33,005 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:32" (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 02:01:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure init [2019-08-10 02:01:33,063 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dummy [2019-08-10 02:01:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:33,064 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:33,064 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2019-08-10 02:01:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure init [2019-08-10 02:01:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure get_dummy [2019-08-10 02:01:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:33,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-08-10 02:01:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:33,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:33,363 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:33,364 INFO L283 CfgBuilder]: Removed 0 assume(true) statements. [2019-08-10 02:01:33,365 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:33 BoogieIcfgContainer [2019-08-10 02:01:33,365 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:33,366 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:33,366 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:33,366 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:33,367 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:33" (1/1) ... [2019-08-10 02:01:33,790 WARN L188 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 45 [2019-08-10 02:01:34,043 WARN L188 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 39 [2019-08-10 02:01:34,183 WARN L188 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 49 [2019-08-10 02:01:34,266 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:34,273 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:34,275 INFO L168 Benchmark]: Toolchain (without parser) took 1649.85 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 87.3 MB in the beginning and 87.8 MB in the end (delta: -451.3 kB). Peak memory consumption was 59.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:34,276 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:34,277 INFO L168 Benchmark]: CACSL2BoogieTranslator took 251.96 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 76.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:34,278 INFO L168 Benchmark]: Boogie Preprocessor took 124.13 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.8 MB in the beginning and 176.0 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:34,279 INFO L168 Benchmark]: RCFGBuilder took 361.46 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:34,280 INFO L168 Benchmark]: Symbolic Interpretation took 906.94 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 87.8 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:34,284 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 42]: 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 41#(and (= main_~pd2~0.offset main_~pd1~0.offset) (not (= (select (select |#memory_int| main_~pd1~0.base) main_~pd1~0.offset) (select (select |#memory_int| main_~pd2~0.base) (+ main_~pd2~0.offset 4)))) (or (not (= 0 main_~pd1~0.base)) (not (= main_~pd1~0.offset 0))) (= main_~pd2~0.base main_~pd1~0.base)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 139.5 MB. Free memory was 105.7 MB in the beginning and 105.5 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 251.96 ms. Allocated memory is still 139.5 MB. Free memory was 87.1 MB in the beginning and 76.8 MB in the end (delta: 10.3 MB). Peak memory consumption was 10.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 124.13 ms. Allocated memory was 139.5 MB in the beginning and 199.2 MB in the end (delta: 59.8 MB). Free memory was 76.8 MB in the beginning and 176.0 MB in the end (delta: -99.1 MB). Peak memory consumption was 11.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 361.46 ms. Allocated memory is still 199.2 MB. Free memory was 176.0 MB in the beginning and 160.3 MB in the end (delta: 15.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 906.94 ms. Allocated memory is still 199.2 MB. Free memory was 160.3 MB in the beginning and 87.8 MB in the end (delta: 72.5 MB). Peak memory consumption was 72.5 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...