/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/xcsp/AllInterval-016.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 21:36:40,699 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 21:36:40,701 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 21:36:40,759 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 21:36:40,759 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 21:36:40,765 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 21:36:40,769 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 21:36:40,775 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 21:36:40,778 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 21:36:40,786 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 21:36:40,791 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 21:36:40,793 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 21:36:40,793 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 21:36:40,797 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 21:36:40,799 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 21:36:40,812 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 21:36:40,813 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 21:36:40,817 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 21:36:40,825 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 21:36:40,828 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 21:36:40,831 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 21:36:40,833 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 21:36:40,835 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 21:36:40,837 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 21:36:40,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 21:36:40,847 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 21:36:40,847 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 21:36:40,848 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 21:36:40,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 21:36:40,853 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 21:36:40,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 21:36:40,854 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 21:36:40,856 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 21:36:40,857 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 21:36:40,858 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 21:36:40,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 21:36:40,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 21:36:40,859 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 21:36:40,859 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 21:36:40,860 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 21:36:40,861 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 21:36:40,862 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 21:36:40,913 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 21:36:40,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 21:36:40,918 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 21:36:40,919 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 21:36:40,919 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 21:36:40,920 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 21:36:40,920 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 21:36:40,920 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 21:36:40,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 21:36:40,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 21:36:40,922 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 21:36:40,922 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 21:36:40,922 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 21:36:40,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 21:36:40,923 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 21:36:40,923 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 21:36:40,923 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 21:36:40,923 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 21:36:40,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 21:36:40,924 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 21:36:40,924 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 21:36:40,924 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 21:36:40,924 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 21:36:40,924 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 21:36:40,925 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 21:36:40,925 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 21:36:41,340 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 21:36:41,369 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 21:36:41,372 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 21:36:41,373 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 21:36:41,376 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 21:36:41,377 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/xcsp/AllInterval-016.c [2021-01-06 21:36:41,464 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9cac0cabd/63163ebcc26549cba8d6f6a6c10abca2/FLAG15cae3fc0 [2021-01-06 21:36:42,085 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 21:36:42,086 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-016.c [2021-01-06 21:36:42,099 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9cac0cabd/63163ebcc26549cba8d6f6a6c10abca2/FLAG15cae3fc0 [2021-01-06 21:36:42,415 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9cac0cabd/63163ebcc26549cba8d6f6a6c10abca2 [2021-01-06 21:36:42,419 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 21:36:42,422 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 21:36:42,425 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 21:36:42,425 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 21:36:42,430 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 21:36:42,431 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:36:42" (1/1) ... [2021-01-06 21:36:42,434 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@60a805e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:42, skipping insertion in model container [2021-01-06 21:36:42,434 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 09:36:42" (1/1) ... [2021-01-06 21:36:42,447 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 21:36:42,506 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var13~0,] left hand side expression in assignment: lhs: VariableLHS[~var14~0,] left hand side expression in assignment: lhs: VariableLHS[~var15~0,] left hand side expression in assignment: lhs: VariableLHS[~var16~0,] left hand side expression in assignment: lhs: VariableLHS[~var17~0,] left hand side expression in assignment: lhs: VariableLHS[~var18~0,] left hand side expression in assignment: lhs: VariableLHS[~var19~0,] left hand side expression in assignment: lhs: VariableLHS[~var20~0,] left hand side expression in assignment: lhs: VariableLHS[~var21~0,] left hand side expression in assignment: lhs: VariableLHS[~var22~0,] left hand side expression in assignment: lhs: VariableLHS[~var23~0,] left hand side expression in assignment: lhs: VariableLHS[~var24~0,] left hand side expression in assignment: lhs: VariableLHS[~var25~0,] left hand side expression in assignment: lhs: VariableLHS[~var26~0,] left hand side expression in assignment: lhs: VariableLHS[~var27~0,] left hand side expression in assignment: lhs: VariableLHS[~var28~0,] left hand side expression in assignment: lhs: VariableLHS[~var29~0,] left hand side expression in assignment: lhs: VariableLHS[~var30~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2021-01-06 21:36:42,822 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-016.c[11400,11413] [2021-01-06 21:36:42,844 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:36:42,860 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~var0~0,] left hand side expression in assignment: lhs: VariableLHS[~var1~0,] left hand side expression in assignment: lhs: VariableLHS[~var2~0,] left hand side expression in assignment: lhs: VariableLHS[~var3~0,] left hand side expression in assignment: lhs: VariableLHS[~var4~0,] left hand side expression in assignment: lhs: VariableLHS[~var5~0,] left hand side expression in assignment: lhs: VariableLHS[~var6~0,] left hand side expression in assignment: lhs: VariableLHS[~var7~0,] left hand side expression in assignment: lhs: VariableLHS[~var8~0,] left hand side expression in assignment: lhs: VariableLHS[~var9~0,] left hand side expression in assignment: lhs: VariableLHS[~var10~0,] left hand side expression in assignment: lhs: VariableLHS[~var11~0,] left hand side expression in assignment: lhs: VariableLHS[~var12~0,] left hand side expression in assignment: lhs: VariableLHS[~var13~0,] left hand side expression in assignment: lhs: VariableLHS[~var14~0,] left hand side expression in assignment: lhs: VariableLHS[~var15~0,] left hand side expression in assignment: lhs: VariableLHS[~var16~0,] left hand side expression in assignment: lhs: VariableLHS[~var17~0,] left hand side expression in assignment: lhs: VariableLHS[~var18~0,] left hand side expression in assignment: lhs: VariableLHS[~var19~0,] left hand side expression in assignment: lhs: VariableLHS[~var20~0,] left hand side expression in assignment: lhs: VariableLHS[~var21~0,] left hand side expression in assignment: lhs: VariableLHS[~var22~0,] left hand side expression in assignment: lhs: VariableLHS[~var23~0,] left hand side expression in assignment: lhs: VariableLHS[~var24~0,] left hand side expression in assignment: lhs: VariableLHS[~var25~0,] left hand side expression in assignment: lhs: VariableLHS[~var26~0,] left hand side expression in assignment: lhs: VariableLHS[~var27~0,] left hand side expression in assignment: lhs: VariableLHS[~var28~0,] left hand side expression in assignment: lhs: VariableLHS[~var29~0,] left hand side expression in assignment: lhs: VariableLHS[~var30~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] left hand side expression in assignment: lhs: VariableLHS[~var_for_abs~0,] [2021-01-06 21:36:43,010 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/xcsp/AllInterval-016.c[11400,11413] [2021-01-06 21:36:43,017 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 21:36:43,045 INFO L208 MainTranslator]: Completed translation [2021-01-06 21:36:43,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43 WrapperNode [2021-01-06 21:36:43,046 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 21:36:43,049 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 21:36:43,049 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 21:36:43,050 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 21:36:43,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,100 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,290 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 21:36:43,292 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 21:36:43,293 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 21:36:43,294 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 21:36:43,304 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,305 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,334 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,392 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,435 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,448 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... [2021-01-06 21:36:43,458 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 21:36:43,459 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 21:36:43,459 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 21:36:43,459 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 21:36:43,460 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/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 [2021-01-06 21:36:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 21:36:43,575 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 21:36:43,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 21:36:43,576 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 21:36:45,250 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 21:36:45,251 INFO L299 CfgBuilder]: Removed 608 assume(true) statements. [2021-01-06 21:36:45,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:36:45 BoogieIcfgContainer [2021-01-06 21:36:45,254 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 21:36:45,256 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 21:36:45,256 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 21:36:45,260 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 21:36:45,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 09:36:42" (1/3) ... [2021-01-06 21:36:45,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521d5dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:36:45, skipping insertion in model container [2021-01-06 21:36:45,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 09:36:43" (2/3) ... [2021-01-06 21:36:45,262 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@521d5dd5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 09:36:45, skipping insertion in model container [2021-01-06 21:36:45,263 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 09:36:45" (3/3) ... [2021-01-06 21:36:45,264 INFO L111 eAbstractionObserver]: Analyzing ICFG AllInterval-016.c [2021-01-06 21:36:45,273 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 21:36:45,279 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2021-01-06 21:36:45,303 INFO L253 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-01-06 21:36:45,355 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 21:36:45,355 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 21:36:45,355 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 21:36:45,355 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 21:36:45,355 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 21:36:45,356 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 21:36:45,356 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 21:36:45,356 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 21:36:45,399 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states. [2021-01-06 21:36:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2021-01-06 21:36:45,436 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:36:45,438 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:36:45,438 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:36:45,444 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:36:45,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1522907465, now seen corresponding path program 1 times [2021-01-06 21:36:45,455 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:36:45,456 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1292998419] [2021-01-06 21:36:45,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:36:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 21:36:46,485 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 21:36:46,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1292998419] [2021-01-06 21:36:46,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 21:36:46,488 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 21:36:46,489 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2111191183] [2021-01-06 21:36:46,495 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 21:36:46,496 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 21:36:46,510 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 21:36:46,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 21:36:46,513 INFO L87 Difference]: Start difference. First operand 640 states. Second operand 2 states. [2021-01-06 21:36:46,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 21:36:46,573 INFO L93 Difference]: Finished difference Result 1274 states and 1906 transitions. [2021-01-06 21:36:46,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 21:36:46,575 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 636 [2021-01-06 21:36:46,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 21:36:46,594 INFO L225 Difference]: With dead ends: 1274 [2021-01-06 21:36:46,594 INFO L226 Difference]: Without dead ends: 637 [2021-01-06 21:36:46,602 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 21:36:46,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-01-06 21:36:46,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 637. [2021-01-06 21:36:46,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 637 states. [2021-01-06 21:36:46,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 637 states to 637 states and 651 transitions. [2021-01-06 21:36:46,700 INFO L78 Accepts]: Start accepts. Automaton has 637 states and 651 transitions. Word has length 636 [2021-01-06 21:36:46,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 21:36:46,701 INFO L481 AbstractCegarLoop]: Abstraction has 637 states and 651 transitions. [2021-01-06 21:36:46,701 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 21:36:46,701 INFO L276 IsEmpty]: Start isEmpty. Operand 637 states and 651 transitions. [2021-01-06 21:36:46,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 637 [2021-01-06 21:36:46,722 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 21:36:46,723 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 21:36:46,723 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 21:36:46,723 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 21:36:46,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 21:36:46,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1046195849, now seen corresponding path program 1 times [2021-01-06 21:36:46,725 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 21:36:46,725 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1876606402] [2021-01-06 21:36:46,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 21:37:34,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat