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/loop-invariants/const.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-f3d0b09 [2019-08-08 11:47:00,302 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-08 11:47:00,305 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-08 11:47:00,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-08 11:47:00,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-08 11:47:00,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-08 11:47:00,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-08 11:47:00,322 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-08 11:47:00,324 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-08 11:47:00,325 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-08 11:47:00,326 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-08 11:47:00,327 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-08 11:47:00,327 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-08 11:47:00,328 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-08 11:47:00,329 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-08 11:47:00,330 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-08 11:47:00,331 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-08 11:47:00,332 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-08 11:47:00,334 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-08 11:47:00,336 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-08 11:47:00,337 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-08 11:47:00,339 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-08 11:47:00,340 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-08 11:47:00,340 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-08 11:47:00,342 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-08 11:47:00,350 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-08 11:47:00,351 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-08 11:47:00,352 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-08 11:47:00,353 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 [2019-08-08 11:47:00,366 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-08 11:47:00,367 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-08 11:47:00,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-08 11:47:00,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-08 11:47:00,368 INFO L138 SettingsManager]: * Use SBE=true [2019-08-08 11:47:00,369 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-08 11:47:00,369 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-08 11:47:00,369 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-08 11:47:00,369 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-08 11:47:00,369 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-08 11:47:00,370 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-08 11:47:00,370 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-08 11:47:00,370 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-08 11:47:00,370 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-08 11:47:00,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-08 11:47:00,371 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-08 11:47:00,371 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-08 11:47:00,371 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-08 11:47:00,371 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-08 11:47:00,372 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-08 11:47:00,372 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-08 11:47:00,372 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-08 11:47:00,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-08 11:47:00,372 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-08 11:47:00,373 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-08 11:47:00,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-08 11:47:00,373 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-08 11:47:00,373 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-08 11:47:00,374 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-08 11:47:00,403 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-08 11:47:00,416 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-08 11:47:00,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-08 11:47:00,421 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-08 11:47:00,422 INFO L275 PluginConnector]: CDTParser initialized [2019-08-08 11:47:00,422 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-invariants/const.c [2019-08-08 11:47:00,494 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ff3227f/3e52f016610f46de9779c63b43d8ec5e/FLAGef582938a [2019-08-08 11:47:00,904 INFO L306 CDTParser]: Found 1 translation units. [2019-08-08 11:47:00,904 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-invariants/const.c [2019-08-08 11:47:00,910 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ff3227f/3e52f016610f46de9779c63b43d8ec5e/FLAGef582938a [2019-08-08 11:47:01,332 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/42ff3227f/3e52f016610f46de9779c63b43d8ec5e [2019-08-08 11:47:01,345 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-08 11:47:01,347 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-08 11:47:01,350 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-08 11:47:01,350 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-08 11:47:01,353 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-08 11:47:01,354 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69608465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01, skipping insertion in model container [2019-08-08 11:47:01,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,364 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-08 11:47:01,385 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-08 11:47:01,557 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:47:01,561 INFO L188 MainTranslator]: Completed pre-run [2019-08-08 11:47:01,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-08 11:47:01,593 INFO L192 MainTranslator]: Completed translation [2019-08-08 11:47:01,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01 WrapperNode [2019-08-08 11:47:01,593 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-08 11:47:01,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-08 11:47:01,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-08 11:47:01,595 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-08 11:47:01,608 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,614 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,614 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,618 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,624 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:01,711 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-08 11:47:01,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-08 11:47:01,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-08 11:47:01,714 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-08 11:47:01,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.08 11:47:01" (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 [2019-08-08 11:47:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-08 11:47:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-08 11:47:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-08 11:47:01,771 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-08 11:47:01,771 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-08 11:47:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-08 11:47:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-08 11:47:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-08 11:47:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-08 11:47:01,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-08 11:47:01,990 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-08 11:47:01,991 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-08 11:47:01,992 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:47:01 BoogieIcfgContainer [2019-08-08 11:47:01,992 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-08 11:47:01,993 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-08 11:47:01,993 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-08 11:47:01,994 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-08 11:47:01,995 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.08 11:47:01" (1/1) ... [2019-08-08 11:47:02,006 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-08 11:47:02,009 INFO L155 IcfgInterpreter]: Building call graph [2019-08-08 11:47:02,016 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-08 11:47:02,033 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-08 11:47:02,034 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-08 11:47:02,080 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-08 11:47:02,209 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 44 [2019-08-08 11:47:02,213 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-08 11:47:02,214 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-08 11:47:02,217 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 58#(and (exists ((|v_main_#t~nondet0_5| Int)) (not (= 0 (mod |v_main_#t~nondet0_5| 4294967296)))) (= |__VERIFIER_assert_#in~cond| 1) (exists ((|v_main_#t~nondet2_5| Int)) (= 0 (mod |v_main_#t~nondet2_5| 4294967296))) (exists ((|v_main_#t~nondet0_6| Int)) (not (= 0 (mod |v_main_#t~nondet0_6| 4294967296)))) (exists ((|v_main_#t~nondet0_7| Int)) (not (= 0 (mod |v_main_#t~nondet0_7| 4294967296)))) (exists ((|v_main_#t~nondet2_6| Int)) (not (= (mod |v_main_#t~nondet2_6| 4294967296) 0))) (exists ((|v_main_#t~nondet0_8| Int)) (not (= 0 (mod |v_main_#t~nondet0_8| 4294967296)))) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond) (exists ((|v_main_#t~nondet2_8| Int)) (not (= (mod |v_main_#t~nondet2_8| 4294967296) 0))) (exists ((|v_main_#t~nondet2_7| Int)) (= 0 (mod |v_main_#t~nondet2_7| 4294967296)))) [2019-08-08 11:47:02,218 WARN L88 terpretationObserver]: Some locations of interest might be reachable, see reported results. [2019-08-08 11:47:02,234 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-08 11:47:02,239 INFO L168 Benchmark]: Toolchain (without parser) took 888.65 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 88.2 MB in the beginning and 158.2 MB in the end (delta: -70.0 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-08 11:47:02,241 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-08 11:47:02,242 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.16 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:02,243 INFO L168 Benchmark]: Boogie Preprocessor took 116.57 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 78.8 MB in the beginning and 178.6 MB in the end (delta: -99.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:02,244 INFO L168 Benchmark]: RCFGBuilder took 278.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 165.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:02,245 INFO L168 Benchmark]: Symbolic Interpretation took 240.91 ms. Allocated memory is still 199.2 MB. Free memory was 165.1 MB in the beginning and 158.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. [2019-08-08 11:47:02,249 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.symbolicinterpretation: - UnprovableResult [Line: 5]: 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.. Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 132.1 MB. Free memory was 106.4 MB in the beginning and 106.2 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 244.16 ms. Allocated memory is still 132.1 MB. Free memory was 87.8 MB in the beginning and 78.8 MB in the end (delta: 9.0 MB). Peak memory consumption was 9.0 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 116.57 ms. Allocated memory was 132.1 MB in the beginning and 199.2 MB in the end (delta: 67.1 MB). Free memory was 78.8 MB in the beginning and 178.6 MB in the end (delta: -99.8 MB). Peak memory consumption was 17.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 278.88 ms. Allocated memory is still 199.2 MB. Free memory was 176.5 MB in the beginning and 165.1 MB in the end (delta: 11.4 MB). Peak memory consumption was 11.4 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 240.91 ms. Allocated memory is still 199.2 MB. Free memory was 165.1 MB in the beginning and 158.2 MB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...