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/test25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-2989841 [2019-08-10 02:01:38,933 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-10 02:01:38,935 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-10 02:01:38,947 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-10 02:01:38,947 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-10 02:01:38,948 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-10 02:01:38,950 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-10 02:01:38,952 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-10 02:01:38,953 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-10 02:01:38,954 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-10 02:01:38,955 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-10 02:01:38,956 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-10 02:01:38,957 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-10 02:01:38,958 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-10 02:01:38,958 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-10 02:01:38,960 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-10 02:01:38,960 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-10 02:01:38,961 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-10 02:01:38,963 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-10 02:01:38,965 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-10 02:01:38,966 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-10 02:01:38,967 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-10 02:01:38,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-10 02:01:38,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-10 02:01:38,971 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-10 02:01:38,978 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-10 02:01:38,979 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-10 02:01:38,980 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-10 02:01:38,981 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 02:01:38,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-10 02:01:38,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-10 02:01:38,996 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-10 02:01:38,996 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-10 02:01:38,996 INFO L138 SettingsManager]: * Use SBE=true [2019-08-10 02:01:38,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-10 02:01:38,997 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-10 02:01:38,997 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-10 02:01:38,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-10 02:01:38,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-10 02:01:38,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-10 02:01:38,998 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-10 02:01:38,998 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-10 02:01:38,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-10 02:01:38,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-10 02:01:38,999 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-10 02:01:38,999 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-10 02:01:38,999 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-10 02:01:38,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-10 02:01:38,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-10 02:01:39,000 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-10 02:01:39,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-10 02:01:39,000 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-10 02:01:39,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-10 02:01:39,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-10 02:01:39,001 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-10 02:01:39,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-10 02:01:39,001 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-10 02:01:39,001 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-10 02:01:39,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-10 02:01:39,041 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-10 02:01:39,045 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-10 02:01:39,046 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-10 02:01:39,047 INFO L275 PluginConnector]: CDTParser initialized [2019-08-10 02:01:39,047 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-regression/test25-1.c [2019-08-10 02:01:39,110 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc497c1e/7cee73daf3844e0bb91102362bbee95d/FLAG3d068653a [2019-08-10 02:01:39,541 INFO L306 CDTParser]: Found 1 translation units. [2019-08-10 02:01:39,542 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/ldv-regression/test25-1.c [2019-08-10 02:01:39,548 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc497c1e/7cee73daf3844e0bb91102362bbee95d/FLAG3d068653a [2019-08-10 02:01:39,935 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/cbc497c1e/7cee73daf3844e0bb91102362bbee95d [2019-08-10 02:01:39,944 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-10 02:01:39,946 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-10 02:01:39,947 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:39,947 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-10 02:01:39,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-10 02:01:39,954 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:39" (1/1) ... [2019-08-10 02:01:39,957 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e6342a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:39, skipping insertion in model container [2019-08-10 02:01:39,957 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.08 02:01:39" (1/1) ... [2019-08-10 02:01:39,965 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-10 02:01:39,984 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-10 02:01:40,237 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:40,250 INFO L188 MainTranslator]: Completed pre-run [2019-08-10 02:01:40,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-10 02:01:40,392 INFO L192 MainTranslator]: Completed translation [2019-08-10 02:01:40,393 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.08 02:01:40 WrapperNode [2019-08-10 02:01:40,393 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-10 02:01:40,394 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-10 02:01:40,394 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-10 02:01:40,394 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-10 02:01:40,409 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 02:01:40,410 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 02:01:40,420 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 02:01:40,420 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 02:01:40,430 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 02:01:40,439 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 02:01:40,441 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 02:01:40,444 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-10 02:01:40,444 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-10 02:01:40,445 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-10 02:01:40,445 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-10 02:01:40,446 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 02:01:40,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-10 02:01:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-10 02:01:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure check [2019-08-10 02:01:40,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-10 02:01:40,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-10 02:01:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-08-10 02:01:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure check [2019-08-10 02:01:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-08-10 02:01:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-08-10 02:01:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-10 02:01:40,510 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-08-10 02:01:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-08-10 02:01:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-08-10 02:01:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-08-10 02:01:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-10 02:01:40,511 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-10 02:01:40,908 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-10 02:01:40,909 INFO L283 CfgBuilder]: Removed 2 assume(true) statements. [2019-08-10 02:01:40,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:40 BoogieIcfgContainer [2019-08-10 02:01:40,910 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-10 02:01:40,911 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-10 02:01:40,911 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-10 02:01:40,911 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-10 02:01:40,912 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.08 02:01:40" (1/1) ... [2019-08-10 02:01:41,568 WARN L188 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 89 [2019-08-10 02:01:41,700 WARN L188 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 85 [2019-08-10 02:01:44,578 WARN L188 SmtUtils]: Spent 2.76 s on a formula simplification. DAG size of input: 138 DAG size of output: 136 [2019-08-10 02:01:45,574 WARN L188 SmtUtils]: Spent 969.00 ms on a formula simplification that was a NOOP. DAG size: 134 [2019-08-10 02:01:46,325 WARN L188 SmtUtils]: Spent 735.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2019-08-10 02:01:46,806 WARN L188 SmtUtils]: Spent 467.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2019-08-10 02:01:47,189 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-10 02:01:47,197 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-10 02:01:47,201 INFO L168 Benchmark]: Toolchain (without parser) took 7252.65 ms. Allocated memory was 132.6 MB in the beginning and 265.8 MB in the end (delta: 133.2 MB). Free memory was 88.1 MB in the beginning and 162.2 MB in the end (delta: -74.1 MB). Peak memory consumption was 106.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:47,202 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-10 02:01:47,203 INFO L168 Benchmark]: CACSL2BoogieTranslator took 446.44 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.9 MB in the beginning and 174.9 MB in the end (delta: -87.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:47,205 INFO L168 Benchmark]: Boogie Preprocessor took 49.94 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 172.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:47,211 INFO L168 Benchmark]: RCFGBuilder took 466.14 ms. Allocated memory is still 198.2 MB. Free memory was 172.6 MB in the beginning and 156.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:47,212 INFO L168 Benchmark]: Symbolic Interpretation took 6286.10 ms. Allocated memory was 198.2 MB in the beginning and 265.8 MB in the end (delta: 67.6 MB). Free memory was 156.0 MB in the beginning and 162.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. [2019-08-10 02:01:47,224 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 45]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: Interpreter reached this location of interest. Location might be reachable. Predicate is 68#(and (<= (select (select |#memory_int| main_~pa~0.base) main_~pa~0.offset) main_~i~0) (not (= main_~i~0 (select (select |#memory_int| (select (select |#memory_$Pointer$.base| |main_~#cont~0.base|) |main_~#cont~0.offset|)) (+ (select (select |#memory_$Pointer$.offset| |main_~#cont~0.base|) |main_~#cont~0.offset|) 12))))). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 132.6 MB. Free memory was 106.9 MB in the beginning and 106.7 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 446.44 ms. Allocated memory was 132.6 MB in the beginning and 198.2 MB in the end (delta: 65.5 MB). Free memory was 87.9 MB in the beginning and 174.9 MB in the end (delta: -87.0 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 49.94 ms. Allocated memory is still 198.2 MB. Free memory was 174.9 MB in the beginning and 172.6 MB in the end (delta: 2.3 MB). Peak memory consumption was 2.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 466.14 ms. Allocated memory is still 198.2 MB. Free memory was 172.6 MB in the beginning and 156.0 MB in the end (delta: 16.6 MB). Peak memory consumption was 16.6 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 6286.10 ms. Allocated memory was 198.2 MB in the beginning and 265.8 MB in the end (delta: 67.6 MB). Free memory was 156.0 MB in the beginning and 162.2 MB in the end (delta: -6.2 MB). Peak memory consumption was 108.6 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...