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/loops/count_up_down-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-a32b1f7 [2019-08-18 07:18:54,111 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-08-18 07:18:54,113 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-08-18 07:18:54,125 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-08-18 07:18:54,126 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-08-18 07:18:54,127 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-08-18 07:18:54,128 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-08-18 07:18:54,130 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-08-18 07:18:54,132 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-08-18 07:18:54,132 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-08-18 07:18:54,133 INFO L181 SettingsManager]: Resetting Symbolic Interpretation preferences to default values [2019-08-18 07:18:54,134 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-08-18 07:18:54,135 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-08-18 07:18:54,136 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-08-18 07:18:54,137 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-08-18 07:18:54,138 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-08-18 07:18:54,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-08-18 07:18:54,140 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-08-18 07:18:54,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-08-18 07:18:54,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-08-18 07:18:54,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-08-18 07:18:54,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-08-18 07:18:54,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-08-18 07:18:54,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-08-18 07:18:54,150 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2019-08-18 07:18:54,154 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-08-18 07:18:54,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-08-18 07:18:54,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-08-18 07:18:54,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-08-18 07:18:54,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-08-18 07:18:54,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-08-18 07:18:54,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-08-18 07:18:54,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-08-18 07:18:54,160 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-08-18 07:18:54,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-08-18 07:18:54,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-08-18 07:18:54,166 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 [2019-08-18 07:18:54,191 INFO L113 SettingsManager]: Loading preferences was successful [2019-08-18 07:18:54,191 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-08-18 07:18:54,194 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-08-18 07:18:54,194 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-08-18 07:18:54,194 INFO L138 SettingsManager]: * Use SBE=true [2019-08-18 07:18:54,194 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-08-18 07:18:54,195 INFO L138 SettingsManager]: * sizeof long=4 [2019-08-18 07:18:54,195 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-08-18 07:18:54,195 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-08-18 07:18:54,195 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-08-18 07:18:54,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-08-18 07:18:54,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-08-18 07:18:54,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-08-18 07:18:54,197 INFO L138 SettingsManager]: * sizeof long double=12 [2019-08-18 07:18:54,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-08-18 07:18:54,198 INFO L138 SettingsManager]: * Use constant arrays=true [2019-08-18 07:18:54,198 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-08-18 07:18:54,198 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-08-18 07:18:54,198 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-08-18 07:18:54,199 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-08-18 07:18:54,199 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-08-18 07:18:54,199 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-08-18 07:18:54,199 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-08-18 07:18:54,200 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-08-18 07:18:54,200 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-08-18 07:18:54,200 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-08-18 07:18:54,200 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-08-18 07:18:54,200 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-08-18 07:18:54,201 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-08-18 07:18:54,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-08-18 07:18:54,270 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-08-18 07:18:54,274 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-08-18 07:18:54,275 INFO L271 PluginConnector]: Initializing CDTParser... [2019-08-18 07:18:54,275 INFO L275 PluginConnector]: CDTParser initialized [2019-08-18 07:18:54,276 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loops/count_up_down-2.c [2019-08-18 07:18:54,350 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a7fb744/0f8fb82a058e4dedb7b482ac74f150c5/FLAGc087d8e5c [2019-08-18 07:18:54,742 INFO L306 CDTParser]: Found 1 translation units. [2019-08-18 07:18:54,742 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loops/count_up_down-2.c [2019-08-18 07:18:54,749 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a7fb744/0f8fb82a058e4dedb7b482ac74f150c5/FLAGc087d8e5c [2019-08-18 07:18:55,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/80a7fb744/0f8fb82a058e4dedb7b482ac74f150c5 [2019-08-18 07:18:55,188 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-08-18 07:18:55,189 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-08-18 07:18:55,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:55,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-08-18 07:18:55,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-08-18 07:18:55,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a7060e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55, skipping insertion in model container [2019-08-18 07:18:55,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,205 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-08-18 07:18:55,220 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-08-18 07:18:55,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:55,376 INFO L188 MainTranslator]: Completed pre-run [2019-08-18 07:18:55,389 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-08-18 07:18:55,403 INFO L192 MainTranslator]: Completed translation [2019-08-18 07:18:55,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55 WrapperNode [2019-08-18 07:18:55,404 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-08-18 07:18:55,404 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-08-18 07:18:55,405 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-08-18 07:18:55,405 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-08-18 07:18:55,509 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,512 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,522 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,525 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,537 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,538 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,545 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-08-18 07:18:55,547 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-08-18 07:18:55,547 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-08-18 07:18:55,547 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-08-18 07:18:55,548 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 07:18:55" (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 [2019-08-18 07:18:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-08-18 07:18:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-08-18 07:18:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2019-08-18 07:18:55,600 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-08-18 07:18:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-08-18 07:18:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2019-08-18 07:18:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_uint [2019-08-18 07:18:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-08-18 07:18:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-08-18 07:18:55,601 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-08-18 07:18:55,756 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-08-18 07:18:55,756 INFO L283 CfgBuilder]: Removed 1 assume(true) statements. [2019-08-18 07:18:55,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:55 BoogieIcfgContainer [2019-08-18 07:18:55,757 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-08-18 07:18:55,758 INFO L113 PluginConnector]: ------------------------Symbolic Interpretation---------------------------- [2019-08-18 07:18:55,758 INFO L271 PluginConnector]: Initializing Symbolic Interpretation... [2019-08-18 07:18:55,758 INFO L275 PluginConnector]: Symbolic Interpretation initialized [2019-08-18 07:18:55,759 INFO L185 PluginConnector]: Executing the observer SymbolicInterpretationObserver from plugin Symbolic Interpretation for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 07:18:55" (1/1) ... [2019-08-18 07:18:55,770 INFO L148 IcfgInterpreter]: Started Sifa with 1 locations of interest [2019-08-18 07:18:55,773 INFO L155 IcfgInterpreter]: Building call graph [2019-08-18 07:18:55,779 INFO L160 IcfgInterpreter]: Initial procedures are [ULTIMATE.start] [2019-08-18 07:18:55,787 INFO L165 IcfgInterpreter]: Starting interpretation [2019-08-18 07:18:55,789 INFO L185 IcfgInterpreter]: Interpreting procedure ULTIMATE.start with input of size 1 [2019-08-18 07:18:55,831 INFO L185 IcfgInterpreter]: Interpreting procedure main with input of size 1 [2019-08-18 07:18:55,893 INFO L185 IcfgInterpreter]: Interpreting procedure __VERIFIER_assert with input of size 6 [2019-08-18 07:18:55,897 INFO L169 IcfgInterpreter]: Interpretation finished [2019-08-18 07:18:55,897 INFO L177 IcfgInterpreter]: Final predicates for locations of interest are: [2019-08-18 07:18:55,900 INFO L179 IcfgInterpreter]: Location __VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION has predicate 34#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)) [2019-08-18 07:18:55,913 INFO L92 terpretationObserver]: ✘ Some locations of interest might be reachable, see reported results. [2019-08-18 07:18:55,913 INFO L132 PluginConnector]: ------------------------ END Symbolic Interpretation---------------------------- [2019-08-18 07:18:55,917 INFO L168 Benchmark]: Toolchain (without parser) took 725.71 ms. Allocated memory was 136.3 MB in the beginning and 196.1 MB in the end (delta: 59.8 MB). Free memory was 83.7 MB in the beginning and 155.4 MB in the end (delta: -71.7 MB). There was no memory consumed. Max. memory is 7.1 GB. [2019-08-18 07:18:55,923 INFO L168 Benchmark]: CDTParser took 0.51 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-08-18 07:18:55,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.20 ms. Allocated memory is still 136.3 MB. Free memory was 83.5 MB in the beginning and 74.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:55,928 INFO L168 Benchmark]: Boogie Preprocessor took 141.15 ms. Allocated memory was 136.3 MB in the beginning and 196.1 MB in the end (delta: 59.8 MB). Free memory was 74.3 MB in the beginning and 173.4 MB in the end (delta: -99.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:55,930 INFO L168 Benchmark]: RCFGBuilder took 211.01 ms. Allocated memory is still 196.1 MB. Free memory was 173.4 MB in the beginning and 162.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:55,934 INFO L168 Benchmark]: Symbolic Interpretation took 155.28 ms. Allocated memory is still 196.1 MB. Free memory was 162.7 MB in the beginning and 155.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. [2019-08-18 07:18:55,943 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: Over-approximation of reachable states at this location is 34#(and (or (= |__VERIFIER_assert_#in~cond| 1) (= |__VERIFIER_assert_#in~cond| 0)) (= 0 __VERIFIER_assert_~cond) (= |__VERIFIER_assert_#in~cond| __VERIFIER_assert_~cond)). Possible FailurePath: * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51 ms. Allocated memory is still 136.3 MB. Free memory was 102.3 MB in the beginning and 102.1 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 214.20 ms. Allocated memory is still 136.3 MB. Free memory was 83.5 MB in the beginning and 74.3 MB in the end (delta: 9.2 MB). Peak memory consumption was 9.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 141.15 ms. Allocated memory was 136.3 MB in the beginning and 196.1 MB in the end (delta: 59.8 MB). Free memory was 74.3 MB in the beginning and 173.4 MB in the end (delta: -99.1 MB). Peak memory consumption was 10.8 MB. Max. memory is 7.1 GB. * RCFGBuilder took 211.01 ms. Allocated memory is still 196.1 MB. Free memory was 173.4 MB in the beginning and 162.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 7.1 GB. * Symbolic Interpretation took 155.28 ms. Allocated memory is still 196.1 MB. Free memory was 162.7 MB in the beginning and 155.4 MB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 7.1 GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...