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/test25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:39,482 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:39,484 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:39,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:39,496 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:39,497 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:39,498 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:39,500 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:39,501 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:39,502 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:39,503 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:39,504 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:39,505 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:39,506 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:39,507 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:39,508 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:39,508 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:39,509 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:39,511 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:39,513 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:39,515 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:39,517 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:39,520 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:39,521 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:39,524 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:39,537 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:39,537 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:39,538 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:39,539 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 02:01:39,553 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:39,553 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:39,554 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:39,555 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:39,555 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:39,555 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:39,555 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:39,556 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:39,556 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:39,556 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:39,556 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:39,557 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:39,557 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:39,557 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:39,557 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:39,557 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:39,557 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:39,558 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:39,558 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:39,558 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:39,558 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:39,559 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:39,559 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:39,559 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:39,559 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:39,559 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:39,560 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:39,560 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:39,560 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:39,588 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:39,600 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:39,603 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:39,604 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:39,605 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:39,606 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-2.c [2019-08-10 02:01:39,681 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667d0ef2f/6056e3902619492abc09700411114133/FLAGe2190c39f [2019-08-10 02:01:40,084 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:40,085 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-2.c [2019-08-10 02:01:40,091 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667d0ef2f/6056e3902619492abc09700411114133/FLAGe2190c39f [2019-08-10 02:01:40,453 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/667d0ef2f/6056e3902619492abc09700411114133 [2019-08-10 02:01:40,464 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:40,465 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:40,466 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:40,467 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:40,470 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:40,470 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,477 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e1bc17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40, skipping insertion in model container [2019-08-10 02:01:40,477 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,484 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:40,500 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:40,686 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:40,698 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:40,719 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:40,827 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:40,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40 WrapperNode [2019-08-10 02:01:40,827 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:40,828 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:40,828 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:40,828 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:40,837 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,838 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,845 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,845 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,854 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,859 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,861 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:40,863 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:40,863 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:40,863 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:40,864 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:40,864 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40" (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 02:01:40,917 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:40,918 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:40,918 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-10 02:01:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:40,919 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-10 02:01:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:40,920 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:41,199 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:41,199 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 02:01:41,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:41 BoogieIcfgContainer [2019-08-10 02:01:41,200 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:41,201 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:41,201 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:41,201 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:41,202 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:41" (1/1) ... [2019-08-10 02:01:41,750 WARN L188 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-08-10 02:01:41,881 WARN L188 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-10 02:01:42,755 WARN L188 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 121 [2019-08-10 02:01:43,042 WARN L188 SmtUtils]: Spent 276.00 ms on a formula simplification that was a NOOP. DAG size: 117 [2019-08-10 02:01:43,276 WARN L188 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 113 [2019-08-10 02:01:43,457 WARN L188 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 109 [2019-08-10 02:01:49,936 WARN L188 SmtUtils]: Spent 6.39 s on a formula simplification. DAG size of input: 179 DAG size of output: 177 [2019-08-10 02:01:51,937 WARN L188 SmtUtils]: Spent 1.97 s on a formula simplification that was a NOOP. DAG size: 172 [2019-08-10 02:01:53,979 WARN L188 SmtUtils]: Spent 2.01 s on a formula simplification that was a NOOP. DAG size: 173 [2019-08-10 02:01:55,325 WARN L188 SmtUtils]: Spent 1.33 s on a formula simplification that was a NOOP. DAG size: 168 [2019-08-10 02:01:55,988 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:55,996 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:56,000 INFO L168 Benchmark]: Toolchain (without parser) took 15532.78 ms. Allocated memory was 133.7 MB in the beginning and 259.0 MB in the end (delta: 125.3 MB). Free memory was 89.1 MB in the beginning and 117.9 MB in the end (delta: -28.9 MB). Peak memory consumption was 126.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:56,002 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:56,008 INFO L168 Benchmark]: CACSL2BoogieTranslator took 361.20 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.8 MB in the beginning and 177.6 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:56,009 INFO L168 Benchmark]: Boogie Preprocessor took 35.21 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:56,010 INFO L168 Benchmark]: RCFGBuilder took 337.15 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 159.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:56,011 INFO L168 Benchmark]: Symbolic Interpretation took 14795.80 ms. Allocated memory was 200.8 MB in the beginning and 259.0 MB in the end (delta: 58.2 MB). Free memory was 159.2 MB in the beginning and 117.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:56,023 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 48]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 87#(not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|) 4)))). 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 133.7 MB. Free memory was 107.9 MB in the beginning and 107.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 361.20 ms. Allocated memory was 133.7 MB in the beginning and 200.8 MB in the end (delta: 67.1 MB). Free memory was 88.8 MB in the beginning and 177.6 MB in the end (delta: -88.8 MB). Peak memory consumption was 25.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 35.21 ms. Allocated memory is still 200.8 MB. Free memory was 177.6 MB in the beginning and 175.4 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 337.15 ms. Allocated memory is still 200.8 MB. Free memory was 175.4 MB in the beginning and 159.2 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 14795.80 ms. Allocated memory was 200.8 MB in the beginning and 259.0 MB in the end (delta: 58.2 MB). Free memory was 159.2 MB in the beginning and 117.9 MB in the end (delta: 41.3 MB). Peak memory consumption was 129.0 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...