/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/product-lines/minepump_spec4_product59.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:13:52,705 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:13:52,710 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:13:52,768 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:13:52,769 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:13:52,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:13:52,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:13:52,783 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:13:52,787 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:13:52,793 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:13:52,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:13:52,799 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:13:52,800 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:13:52,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:13:52,807 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:13:52,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:13:52,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:13:52,815 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:13:52,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:13:52,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:13:52,836 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:13:52,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:13:52,841 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:13:52,842 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:13:52,852 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:13:52,852 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:13:52,852 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:13:52,856 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:13:52,856 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:13:52,857 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:13:52,858 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:13:52,860 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:13:52,862 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:13:52,863 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:13:52,865 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:13:52,865 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:13:52,866 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:13:52,866 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:13:52,866 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:13:52,871 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:13:52,872 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:13:52,873 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 19:13:52,923 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:13:52,923 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:13:52,929 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:13:52,929 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:13:52,930 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:13:52,930 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:13:52,930 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:13:52,930 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:13:52,930 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:13:52,931 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:13:52,932 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:13:52,932 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:13:52,932 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:13:52,933 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:13:52,933 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:13:52,933 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:13:52,933 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:13:52,933 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:13:52,934 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:13:52,934 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:13:52,934 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:13:52,934 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:13:52,935 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:13:52,935 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:13:52,935 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:13:52,935 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:13:53,383 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:13:53,415 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:13:53,419 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:13:53,420 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:13:53,427 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:13:53,428 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-01-06 19:13:53,504 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/779e96431/f99ae20912a64102b2baf837a382726a/FLAGe438600e1 [2021-01-06 19:13:54,262 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:13:54,263 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2021-01-06 19:13:54,281 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/779e96431/f99ae20912a64102b2baf837a382726a/FLAGe438600e1 [2021-01-06 19:13:54,508 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/779e96431/f99ae20912a64102b2baf837a382726a [2021-01-06 19:13:54,512 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:13:54,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:13:54,517 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:54,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:13:54,522 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:13:54,523 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:54" (1/1) ... [2021-01-06 19:13:54,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43669f70 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:54, skipping insertion in model container [2021-01-06 19:13:54,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:13:54" (1/1) ... [2021-01-06 19:13:54,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:13:54,575 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] [2021-01-06 19:13:54,821 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/product-lines/minepump_spec4_product59.cil.c[8847,8860] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2021-01-06 19:13:54,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:54,906 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp2~0,] left hand side expression in assignment: lhs: VariableLHS[~i~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] [2021-01-06 19:13:55,014 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/product-lines/minepump_spec4_product59.cil.c[8847,8860] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2021-01-06 19:13:55,058 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:13:55,099 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:13:55,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55 WrapperNode [2021-01-06 19:13:55,099 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:13:55,101 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:55,101 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:13:55,101 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:13:55,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,129 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:13:55,183 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:13:55,183 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:13:55,184 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:13:55,194 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,194 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,203 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,203 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,265 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,291 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,318 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (1/1) ... [2021-01-06 19:13:55,342 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:13:55,343 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:13:55,343 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:13:55,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:13:55,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (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 19:13:55,468 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:13:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:13:55,469 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:13:55,469 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:13:56,813 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:13:56,813 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2021-01-06 19:13:56,815 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:56 BoogieIcfgContainer [2021-01-06 19:13:56,815 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:13:56,817 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:13:56,817 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:13:56,821 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:13:56,822 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:13:54" (1/3) ... [2021-01-06 19:13:56,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a22f1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:56, skipping insertion in model container [2021-01-06 19:13:56,823 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:13:55" (2/3) ... [2021-01-06 19:13:56,823 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a22f1e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:13:56, skipping insertion in model container [2021-01-06 19:13:56,824 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:56" (3/3) ... [2021-01-06 19:13:56,825 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2021-01-06 19:13:56,832 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:13:56,838 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:13:56,858 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:13:56,887 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:13:56,888 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:13:56,888 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:13:56,888 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:13:56,888 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:13:56,889 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:13:56,889 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:13:56,889 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:13:56,914 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2021-01-06 19:13:56,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:13:56,922 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:56,923 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:56,923 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:56,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:56,930 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2021-01-06 19:13:56,941 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:56,942 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1327931471] [2021-01-06 19:13:56,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:57,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:57,246 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 19:13:57,247 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1327931471] [2021-01-06 19:13:57,248 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:57,248 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:57,249 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1059281956] [2021-01-06 19:13:57,255 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:13:57,255 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:57,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:13:57,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:13:57,303 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2021-01-06 19:13:57,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:57,347 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2021-01-06 19:13:57,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:13:57,349 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:13:57,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:57,362 INFO L225 Difference]: With dead ends: 268 [2021-01-06 19:13:57,363 INFO L226 Difference]: Without dead ends: 133 [2021-01-06 19:13:57,367 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 19:13:57,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2021-01-06 19:13:57,417 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2021-01-06 19:13:57,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2021-01-06 19:13:57,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2021-01-06 19:13:57,424 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2021-01-06 19:13:57,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:57,424 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2021-01-06 19:13:57,424 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:13:57,425 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2021-01-06 19:13:57,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:13:57,426 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:57,426 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:13:57,427 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:13:57,427 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:57,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:57,428 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2021-01-06 19:13:57,428 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:57,429 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [636107328] [2021-01-06 19:13:57,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:57,570 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 19:13:57,570 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [636107328] [2021-01-06 19:13:57,571 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:57,571 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:57,571 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560848061] [2021-01-06 19:13:57,573 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:57,573 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:57,574 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:57,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:57,575 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2021-01-06 19:13:57,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:57,592 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2021-01-06 19:13:57,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:57,593 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:13:57,594 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:57,595 INFO L225 Difference]: With dead ends: 133 [2021-01-06 19:13:57,595 INFO L226 Difference]: Without dead ends: 55 [2021-01-06 19:13:57,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:57,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2021-01-06 19:13:57,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2021-01-06 19:13:57,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2021-01-06 19:13:57,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2021-01-06 19:13:57,604 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2021-01-06 19:13:57,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:57,604 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2021-01-06 19:13:57,605 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:57,605 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2021-01-06 19:13:57,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:13:57,606 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:57,606 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] [2021-01-06 19:13:57,606 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:13:57,607 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:57,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:57,608 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2021-01-06 19:13:57,608 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:57,608 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [997164308] [2021-01-06 19:13:57,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:57,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:57,805 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 19:13:57,805 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [997164308] [2021-01-06 19:13:57,806 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:57,806 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:57,806 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240148333] [2021-01-06 19:13:57,807 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:13:57,807 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:57,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:13:57,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:13:57,808 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2021-01-06 19:13:58,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:58,097 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2021-01-06 19:13:58,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:58,098 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-01-06 19:13:58,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:58,100 INFO L225 Difference]: With dead ends: 176 [2021-01-06 19:13:58,101 INFO L226 Difference]: Without dead ends: 127 [2021-01-06 19:13:58,102 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:58,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2021-01-06 19:13:58,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2021-01-06 19:13:58,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2021-01-06 19:13:58,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2021-01-06 19:13:58,116 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2021-01-06 19:13:58,116 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:58,116 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2021-01-06 19:13:58,116 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:13:58,117 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2021-01-06 19:13:58,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:13:58,118 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:58,118 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] [2021-01-06 19:13:58,118 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:13:58,118 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:58,119 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:58,119 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2021-01-06 19:13:58,119 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:58,120 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [722786765] [2021-01-06 19:13:58,120 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:58,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:58,224 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 19:13:58,226 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [722786765] [2021-01-06 19:13:58,226 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:58,227 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:13:58,227 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [194319889] [2021-01-06 19:13:58,227 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:13:58,228 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:58,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:13:58,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:58,232 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2021-01-06 19:13:58,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:58,331 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2021-01-06 19:13:58,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:13:58,333 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:13:58,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:58,339 INFO L225 Difference]: With dead ends: 163 [2021-01-06 19:13:58,339 INFO L226 Difference]: Without dead ends: 95 [2021-01-06 19:13:58,341 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:13:58,342 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2021-01-06 19:13:58,371 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2021-01-06 19:13:58,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2021-01-06 19:13:58,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2021-01-06 19:13:58,375 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2021-01-06 19:13:58,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:58,376 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2021-01-06 19:13:58,376 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:13:58,376 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2021-01-06 19:13:58,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:13:58,379 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:58,379 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] [2021-01-06 19:13:58,380 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:13:58,380 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:58,381 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:58,381 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2021-01-06 19:13:58,382 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:58,382 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [335798001] [2021-01-06 19:13:58,383 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:58,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:58,512 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 19:13:58,512 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [335798001] [2021-01-06 19:13:58,513 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:58,513 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:13:58,513 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [805015529] [2021-01-06 19:13:58,514 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:58,514 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:58,517 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:58,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:58,519 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2021-01-06 19:13:58,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:58,706 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2021-01-06 19:13:58,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:58,707 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-01-06 19:13:58,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:58,709 INFO L225 Difference]: With dead ends: 331 [2021-01-06 19:13:58,709 INFO L226 Difference]: Without dead ends: 244 [2021-01-06 19:13:58,710 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:13:58,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2021-01-06 19:13:58,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2021-01-06 19:13:58,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:13:58,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-01-06 19:13:58,731 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2021-01-06 19:13:58,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:58,732 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-01-06 19:13:58,732 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:58,732 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-01-06 19:13:58,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:13:58,733 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:58,733 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] [2021-01-06 19:13:58,733 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:13:58,734 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:58,734 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:58,734 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2021-01-06 19:13:58,735 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:58,735 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992021874] [2021-01-06 19:13:58,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:58,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:58,802 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 19:13:58,802 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992021874] [2021-01-06 19:13:58,803 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:58,803 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:13:58,803 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792910601] [2021-01-06 19:13:58,804 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:58,804 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:58,805 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:58,805 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:58,805 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 5 states. [2021-01-06 19:13:59,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:59,040 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2021-01-06 19:13:59,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:13:59,040 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2021-01-06 19:13:59,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:59,043 INFO L225 Difference]: With dead ends: 327 [2021-01-06 19:13:59,043 INFO L226 Difference]: Without dead ends: 325 [2021-01-06 19:13:59,045 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:13:59,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2021-01-06 19:13:59,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2021-01-06 19:13:59,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:13:59,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2021-01-06 19:13:59,084 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2021-01-06 19:13:59,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:59,085 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2021-01-06 19:13:59,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:13:59,085 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2021-01-06 19:13:59,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:13:59,093 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:59,094 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] [2021-01-06 19:13:59,094 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:13:59,094 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:59,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:59,096 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2021-01-06 19:13:59,100 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:59,100 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [913654985] [2021-01-06 19:13:59,100 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:59,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:59,194 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 19:13:59,195 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [913654985] [2021-01-06 19:13:59,195 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:59,195 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:13:59,196 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244142792] [2021-01-06 19:13:59,197 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:59,197 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:59,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:59,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:13:59,198 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand 4 states. [2021-01-06 19:13:59,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:59,362 INFO L93 Difference]: Finished difference Result 320 states and 447 transitions. [2021-01-06 19:13:59,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:13:59,363 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-01-06 19:13:59,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:59,365 INFO L225 Difference]: With dead ends: 320 [2021-01-06 19:13:59,365 INFO L226 Difference]: Without dead ends: 233 [2021-01-06 19:13:59,366 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:13:59,367 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2021-01-06 19:13:59,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2021-01-06 19:13:59,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-01-06 19:13:59,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 316 transitions. [2021-01-06 19:13:59,393 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 316 transitions. Word has length 34 [2021-01-06 19:13:59,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:59,395 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 316 transitions. [2021-01-06 19:13:59,395 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:59,396 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2021-01-06 19:13:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:13:59,399 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:59,399 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] [2021-01-06 19:13:59,399 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:13:59,400 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:59,400 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:59,400 INFO L82 PathProgramCache]: Analyzing trace with hash -1754647538, now seen corresponding path program 1 times [2021-01-06 19:13:59,401 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:59,401 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695216038] [2021-01-06 19:13:59,401 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:59,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:59,486 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 19:13:59,486 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [695216038] [2021-01-06 19:13:59,487 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:59,487 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:13:59,487 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916960303] [2021-01-06 19:13:59,488 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:13:59,488 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:59,488 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:13:59,489 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:13:59,489 INFO L87 Difference]: Start difference. First operand 230 states and 316 transitions. Second operand 4 states. [2021-01-06 19:13:59,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:59,601 INFO L93 Difference]: Finished difference Result 679 states and 946 transitions. [2021-01-06 19:13:59,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:13:59,602 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2021-01-06 19:13:59,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:13:59,605 INFO L225 Difference]: With dead ends: 679 [2021-01-06 19:13:59,605 INFO L226 Difference]: Without dead ends: 516 [2021-01-06 19:13:59,608 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:59,609 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2021-01-06 19:13:59,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 230. [2021-01-06 19:13:59,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2021-01-06 19:13:59,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2021-01-06 19:13:59,637 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 34 [2021-01-06 19:13:59,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:13:59,638 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2021-01-06 19:13:59,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:13:59,639 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2021-01-06 19:13:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-01-06 19:13:59,639 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:13:59,640 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] [2021-01-06 19:13:59,640 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:13:59,641 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:13:59,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:13:59,642 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2021-01-06 19:13:59,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:13:59,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1323948412] [2021-01-06 19:13:59,643 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:13:59,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:13:59,729 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 19:13:59,734 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1323948412] [2021-01-06 19:13:59,735 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:13:59,735 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:13:59,736 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607711532] [2021-01-06 19:13:59,736 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:13:59,737 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:13:59,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:13:59,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:13:59,739 INFO L87 Difference]: Start difference. First operand 230 states and 314 transitions. Second operand 5 states. [2021-01-06 19:13:59,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:13:59,999 INFO L93 Difference]: Finished difference Result 505 states and 699 transitions. [2021-01-06 19:13:59,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:13:59,999 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2021-01-06 19:14:00,000 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:00,002 INFO L225 Difference]: With dead ends: 505 [2021-01-06 19:14:00,002 INFO L226 Difference]: Without dead ends: 342 [2021-01-06 19:14:00,003 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:14:00,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2021-01-06 19:14:00,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 256. [2021-01-06 19:14:00,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2021-01-06 19:14:00,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 352 transitions. [2021-01-06 19:14:00,028 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 352 transitions. Word has length 34 [2021-01-06 19:14:00,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:00,028 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 352 transitions. [2021-01-06 19:14:00,028 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:00,028 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 352 transitions. [2021-01-06 19:14:00,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:14:00,030 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:00,031 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:00,031 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:14:00,031 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:00,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:00,032 INFO L82 PathProgramCache]: Analyzing trace with hash 1169821653, now seen corresponding path program 1 times [2021-01-06 19:14:00,032 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:00,032 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1847296246] [2021-01-06 19:14:00,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:00,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:00,138 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:14:00,138 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1847296246] [2021-01-06 19:14:00,138 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:00,139 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:00,139 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034229446] [2021-01-06 19:14:00,140 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:00,140 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:00,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:00,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:00,145 INFO L87 Difference]: Start difference. First operand 256 states and 352 transitions. Second operand 5 states. [2021-01-06 19:14:00,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:00,291 INFO L93 Difference]: Finished difference Result 778 states and 1068 transitions. [2021-01-06 19:14:00,291 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:14:00,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2021-01-06 19:14:00,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:00,297 INFO L225 Difference]: With dead ends: 778 [2021-01-06 19:14:00,298 INFO L226 Difference]: Without dead ends: 528 [2021-01-06 19:14:00,302 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:00,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2021-01-06 19:14:00,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 265. [2021-01-06 19:14:00,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2021-01-06 19:14:00,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 361 transitions. [2021-01-06 19:14:00,332 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 361 transitions. Word has length 54 [2021-01-06 19:14:00,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:00,333 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 361 transitions. [2021-01-06 19:14:00,333 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:00,333 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 361 transitions. [2021-01-06 19:14:00,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-01-06 19:14:00,334 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:00,335 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:00,335 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:14:00,335 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:00,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:00,336 INFO L82 PathProgramCache]: Analyzing trace with hash -1074161645, now seen corresponding path program 1 times [2021-01-06 19:14:00,336 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:00,336 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522282703] [2021-01-06 19:14:00,336 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:00,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:00,416 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-01-06 19:14:00,417 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522282703] [2021-01-06 19:14:00,417 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:00,417 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:14:00,417 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [45713789] [2021-01-06 19:14:00,418 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:14:00,418 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:00,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:14:00,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:14:00,420 INFO L87 Difference]: Start difference. First operand 265 states and 361 transitions. Second operand 4 states. [2021-01-06 19:14:00,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:00,508 INFO L93 Difference]: Finished difference Result 609 states and 830 transitions. [2021-01-06 19:14:00,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:14:00,509 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2021-01-06 19:14:00,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:00,511 INFO L225 Difference]: With dead ends: 609 [2021-01-06 19:14:00,512 INFO L226 Difference]: Without dead ends: 350 [2021-01-06 19:14:00,512 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:00,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-01-06 19:14:00,534 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 224. [2021-01-06 19:14:00,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2021-01-06 19:14:00,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2021-01-06 19:14:00,536 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 299 transitions. Word has length 54 [2021-01-06 19:14:00,536 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:00,536 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 299 transitions. [2021-01-06 19:14:00,536 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:14:00,536 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2021-01-06 19:14:00,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-01-06 19:14:00,537 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:00,538 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 19:14:00,538 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:14:00,538 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:00,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:00,539 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2021-01-06 19:14:00,539 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:00,539 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865586678] [2021-01-06 19:14:00,539 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:00,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:00,644 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:00,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865586678] [2021-01-06 19:14:00,644 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [778731859] [2021-01-06 19:14:00,644 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-01-06 19:14:00,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:00,960 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2021-01-06 19:14:00,968 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-01-06 19:14:01,147 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:14:01,148 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-01-06 19:14:01,148 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-01-06 19:14:01,148 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530828332] [2021-01-06 19:14:01,149 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:14:01,149 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:01,150 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:14:01,150 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:14:01,150 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. Second operand 6 states. [2021-01-06 19:14:01,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:01,510 INFO L93 Difference]: Finished difference Result 636 states and 864 transitions. [2021-01-06 19:14:01,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:14:01,511 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2021-01-06 19:14:01,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:01,514 INFO L225 Difference]: With dead ends: 636 [2021-01-06 19:14:01,514 INFO L226 Difference]: Without dead ends: 466 [2021-01-06 19:14:01,515 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:14:01,515 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2021-01-06 19:14:01,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 272. [2021-01-06 19:14:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2021-01-06 19:14:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 363 transitions. [2021-01-06 19:14:01,546 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 363 transitions. Word has length 55 [2021-01-06 19:14:01,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:01,547 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 363 transitions. [2021-01-06 19:14:01,547 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:14:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 363 transitions. [2021-01-06 19:14:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 19:14:01,548 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:01,548 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 19:14:01,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2021-01-06 19:14:01,762 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:01,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:01,763 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2021-01-06 19:14:01,764 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:01,764 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869608918] [2021-01-06 19:14:01,765 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:01,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:01,958 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-01-06 19:14:01,958 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869608918] [2021-01-06 19:14:01,959 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:01,959 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:14:01,959 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [617318338] [2021-01-06 19:14:01,960 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:14:01,960 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:01,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:14:01,961 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:14:01,961 INFO L87 Difference]: Start difference. First operand 272 states and 363 transitions. Second operand 5 states. [2021-01-06 19:14:02,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:02,353 INFO L93 Difference]: Finished difference Result 809 states and 1095 transitions. [2021-01-06 19:14:02,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:14:02,354 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2021-01-06 19:14:02,354 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:02,358 INFO L225 Difference]: With dead ends: 809 [2021-01-06 19:14:02,358 INFO L226 Difference]: Without dead ends: 584 [2021-01-06 19:14:02,359 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:14:02,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2021-01-06 19:14:02,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 376. [2021-01-06 19:14:02,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2021-01-06 19:14:02,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 501 transitions. [2021-01-06 19:14:02,416 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 501 transitions. Word has length 76 [2021-01-06 19:14:02,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:02,416 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 501 transitions. [2021-01-06 19:14:02,416 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:14:02,417 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 501 transitions. [2021-01-06 19:14:02,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-01-06 19:14:02,418 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:14:02,418 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 19:14:02,418 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-01-06 19:14:02,419 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:14:02,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:14:02,419 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2021-01-06 19:14:02,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:14:02,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2015202150] [2021-01-06 19:14:02,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:14:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:14:02,549 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-01-06 19:14:02,549 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2015202150] [2021-01-06 19:14:02,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:14:02,549 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-01-06 19:14:02,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2113362397] [2021-01-06 19:14:02,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2021-01-06 19:14:02,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:14:02,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-01-06 19:14:02,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:14:02,552 INFO L87 Difference]: Start difference. First operand 376 states and 501 transitions. Second operand 7 states. [2021-01-06 19:14:02,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:14:02,775 INFO L93 Difference]: Finished difference Result 780 states and 1040 transitions. [2021-01-06 19:14:02,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:14:02,776 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2021-01-06 19:14:02,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:14:02,778 INFO L225 Difference]: With dead ends: 780 [2021-01-06 19:14:02,778 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:14:02,779 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-01-06 19:14:02,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:14:02,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:14:02,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:14:02,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:14:02,780 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-01-06 19:14:02,780 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:14:02,780 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:14:02,780 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2021-01-06 19:14:02,781 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:14:02,781 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:14:02,781 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-01-06 19:14:02,783 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:14:03,154 WARN L197 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2021-01-06 19:14:03,650 WARN L197 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 184 [2021-01-06 19:14:03,793 WARN L197 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2021-01-06 19:14:04,365 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 186 [2021-01-06 19:14:04,559 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 152 [2021-01-06 19:14:04,716 WARN L197 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2021-01-06 19:14:05,086 WARN L197 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 186 [2021-01-06 19:14:05,405 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 169 [2021-01-06 19:14:05,745 WARN L197 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 181 [2021-01-06 19:14:06,905 WARN L197 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 168 DAG size of output: 38 [2021-01-06 19:14:08,340 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 173 DAG size of output: 26 [2021-01-06 19:14:08,858 WARN L197 SmtUtils]: Spent 464.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2021-01-06 19:14:09,266 WARN L197 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2021-01-06 19:14:09,530 WARN L197 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2021-01-06 19:14:10,946 WARN L197 SmtUtils]: Spent 1.41 s on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2021-01-06 19:14:11,920 WARN L197 SmtUtils]: Spent 970.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2021-01-06 19:14:12,496 WARN L197 SmtUtils]: Spent 563.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 20 [2021-01-06 19:14:12,663 WARN L197 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2021-01-06 19:14:14,114 WARN L197 SmtUtils]: Spent 1.42 s on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2021-01-06 19:14:14,273 WARN L197 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2021-01-06 19:14:15,428 WARN L197 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2021-01-06 19:14:15,689 WARN L197 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 18 [2021-01-06 19:14:17,060 WARN L197 SmtUtils]: Spent 1.37 s on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2021-01-06 19:14:17,064 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-01-06 19:14:17,065 INFO L185 CegarLoopUtils]: At program point L399(lines 384 402) the Hoare annotation is: (and (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_isLowWaterLevel_~tmp~6 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~3 0)) (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:17,065 INFO L185 CegarLoopUtils]: At program point L399-1(lines 384 402) the Hoare annotation is: false [2021-01-06 19:14:17,065 INFO L185 CegarLoopUtils]: At program point L399-2(lines 384 402) the Hoare annotation is: false [2021-01-06 19:14:17,065 INFO L189 CegarLoopUtils]: For program point L598(lines 598 604) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L598-2(lines 598 604) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L598-3(lines 598 604) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L598-4(lines 598 604) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L598-5(lines 598 604) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L533(lines 533 537) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L434(lines 434 438) no Hoare annotation was computed. [2021-01-06 19:14:17,066 INFO L189 CegarLoopUtils]: For program point L434-1(lines 196 202) no Hoare annotation was computed. [2021-01-06 19:14:17,067 INFO L185 CegarLoopUtils]: At program point L203(lines 203 209) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) .cse0 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:14:17,067 INFO L185 CegarLoopUtils]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2021-01-06 19:14:17,067 INFO L185 CegarLoopUtils]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2021-01-06 19:14:17,067 INFO L189 CegarLoopUtils]: For program point L501(lines 501 508) no Hoare annotation was computed. [2021-01-06 19:14:17,067 INFO L192 CegarLoopUtils]: At program point L501-1(lines 501 508) the Hoare annotation is: true [2021-01-06 19:14:17,067 INFO L185 CegarLoopUtils]: At program point L172(lines 123 173) the Hoare annotation is: false [2021-01-06 19:14:17,067 INFO L185 CegarLoopUtils]: At program point L603(lines 594 607) the Hoare annotation is: false [2021-01-06 19:14:17,068 INFO L185 CegarLoopUtils]: At program point L603-1(lines 594 607) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4))) [2021-01-06 19:14:17,068 INFO L185 CegarLoopUtils]: At program point L603-2(lines 594 607) the Hoare annotation is: false [2021-01-06 19:14:17,068 INFO L185 CegarLoopUtils]: At program point L603-3(lines 594 607) the Hoare annotation is: false [2021-01-06 19:14:17,068 INFO L185 CegarLoopUtils]: At program point L603-4(lines 594 607) the Hoare annotation is: false [2021-01-06 19:14:17,068 INFO L185 CegarLoopUtils]: At program point L603-5(lines 594 607) the Hoare annotation is: false [2021-01-06 19:14:17,068 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:17,069 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-01-06 19:14:17,069 INFO L189 CegarLoopUtils]: For program point L407(lines 407 413) no Hoare annotation was computed. [2021-01-06 19:14:17,069 INFO L185 CegarLoopUtils]: At program point L407-1(lines 407 413) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse2 .cse1 .cse3))) [2021-01-06 19:14:17,069 INFO L189 CegarLoopUtils]: For program point L374(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,069 INFO L189 CegarLoopUtils]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,069 INFO L189 CegarLoopUtils]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,069 INFO L189 CegarLoopUtils]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-9(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-11(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-12(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-14(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-15(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L374-17(lines 374 378) no Hoare annotation was computed. [2021-01-06 19:14:17,070 INFO L189 CegarLoopUtils]: For program point L144(lines 144 150) no Hoare annotation was computed. [2021-01-06 19:14:17,071 INFO L185 CegarLoopUtils]: At program point L144-1(lines 144 150) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse3 .cse2 .cse4) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse1 .cse2 .cse6 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2021-01-06 19:14:17,071 INFO L192 CegarLoopUtils]: At program point L510(lines 491 513) the Hoare annotation is: true [2021-01-06 19:14:17,071 INFO L185 CegarLoopUtils]: At program point L478(lines 474 480) the Hoare annotation is: (and (= ~waterLevel~0 1) (= ~pumpRunning~0 0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:17,071 INFO L189 CegarLoopUtils]: For program point L545(lines 545 549) no Hoare annotation was computed. [2021-01-06 19:14:17,071 INFO L185 CegarLoopUtils]: At program point L380(lines 365 383) the Hoare annotation is: false [2021-01-06 19:14:17,071 INFO L185 CegarLoopUtils]: At program point L380-1(lines 365 383) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp~5 1) (= ULTIMATE.start_isHighWaterLevel_~tmp___0~2 0) .cse0 (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse3 .cse4))) [2021-01-06 19:14:17,071 INFO L185 CegarLoopUtils]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L380-3(lines 365 383) the Hoare annotation is: false [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L380-4(lines 365 383) the Hoare annotation is: false [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L380-5(lines 365 383) the Hoare annotation is: false [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L613(lines 608 616) the Hoare annotation is: (and (not (= 0 ~systemActive~0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L613-1(lines 608 616) the Hoare annotation is: false [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L613-2(lines 608 616) the Hoare annotation is: false [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L316(lines 309 319) the Hoare annotation is: false [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L316-1(lines 309 319) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:17,072 INFO L185 CegarLoopUtils]: At program point L316-2(lines 309 319) the Hoare annotation is: false [2021-01-06 19:14:17,073 INFO L185 CegarLoopUtils]: At program point L316-3(lines 309 319) the Hoare annotation is: false [2021-01-06 19:14:17,073 INFO L185 CegarLoopUtils]: At program point L316-4(lines 309 319) the Hoare annotation is: false [2021-01-06 19:14:17,073 INFO L185 CegarLoopUtils]: At program point L316-5(lines 309 319) the Hoare annotation is: false [2021-01-06 19:14:17,073 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:14:17,073 INFO L189 CegarLoopUtils]: For program point L154(lines 154 167) no Hoare annotation was computed. [2021-01-06 19:14:17,073 INFO L189 CegarLoopUtils]: For program point L254(lines 254 271) no Hoare annotation was computed. [2021-01-06 19:14:17,073 INFO L189 CegarLoopUtils]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2021-01-06 19:14:17,073 INFO L189 CegarLoopUtils]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2021-01-06 19:14:17,073 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:14:17,073 INFO L189 CegarLoopUtils]: For program point L91(lines 91 104) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L185 CegarLoopUtils]: At program point L91-1(lines 1 991) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse4 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3) (and (= ~waterLevel~0 1) .cse4 .cse0 .cse1 .cse2 .cse3) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse4 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse2 .cse3))) [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L185 CegarLoopUtils]: At program point L91-3(lines 1 991) the Hoare annotation is: false [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L185 CegarLoopUtils]: At program point L91-5(lines 1 991) the Hoare annotation is: false [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L521(lines 521 525) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L521-3(lines 521 525) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L521-6(lines 521 525) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L125(lines 124 171) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L291(lines 291 297) no Hoare annotation was computed. [2021-01-06 19:14:17,074 INFO L189 CegarLoopUtils]: For program point L258(lines 258 266) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L291-2(lines 291 297) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L291-4(lines 291 297) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L126(lines 126 130) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L291-6(lines 291 297) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L291-8(lines 291 297) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L291-10(lines 291 297) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L622(line 622) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L622-1(line 622) no Hoare annotation was computed. [2021-01-06 19:14:17,075 INFO L189 CegarLoopUtils]: For program point L622-2(line 622) no Hoare annotation was computed. [2021-01-06 19:14:17,076 INFO L185 CegarLoopUtils]: At program point L325(lines 320 328) the Hoare annotation is: false [2021-01-06 19:14:17,076 INFO L185 CegarLoopUtils]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2021-01-06 19:14:17,076 INFO L185 CegarLoopUtils]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2021-01-06 19:14:17,076 INFO L189 CegarLoopUtils]: For program point L160(lines 160 166) no Hoare annotation was computed. [2021-01-06 19:14:17,076 INFO L185 CegarLoopUtils]: At program point L160-1(lines 196 202) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and (not (= 0 ~systemActive~0)) .cse0 .cse2 .cse3 .cse4) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3 .cse4))) [2021-01-06 19:14:17,076 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:14:17,076 INFO L185 CegarLoopUtils]: At program point L590(lines 585 593) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) .cse1 .cse2) (and (= ~pumpRunning~0 0) .cse0 .cse1 (<= 1 ~waterLevel~0) .cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)))) [2021-01-06 19:14:17,076 INFO L185 CegarLoopUtils]: At program point L590-1(lines 585 593) the Hoare annotation is: false [2021-01-06 19:14:17,076 INFO L185 CegarLoopUtils]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2021-01-06 19:14:17,076 INFO L189 CegarLoopUtils]: For program point L95(lines 95 101) no Hoare annotation was computed. [2021-01-06 19:14:17,076 INFO L189 CegarLoopUtils]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2021-01-06 19:14:17,077 INFO L189 CegarLoopUtils]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2021-01-06 19:14:17,077 INFO L185 CegarLoopUtils]: At program point L558(lines 553 561) the Hoare annotation is: false [2021-01-06 19:14:17,077 INFO L185 CegarLoopUtils]: At program point L558-1(lines 553 561) the Hoare annotation is: (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~5 0) (= ULTIMATE.start_main_~tmp~7 1) (= |ULTIMATE.start_valid_product_#res| 1)) [2021-01-06 19:14:17,077 INFO L185 CegarLoopUtils]: At program point L558-2(lines 553 561) the Hoare annotation is: false [2021-01-06 19:14:17,077 INFO L185 CegarLoopUtils]: At program point L558-3(lines 553 561) the Hoare annotation is: false [2021-01-06 19:14:17,077 INFO L185 CegarLoopUtils]: At program point L558-4(lines 553 561) the Hoare annotation is: false [2021-01-06 19:14:17,077 INFO L189 CegarLoopUtils]: For program point L393(lines 393 397) no Hoare annotation was computed. [2021-01-06 19:14:17,077 INFO L185 CegarLoopUtils]: At program point L558-5(lines 553 561) the Hoare annotation is: false [2021-01-06 19:14:17,077 INFO L189 CegarLoopUtils]: For program point L393-2(lines 393 397) no Hoare annotation was computed. [2021-01-06 19:14:17,077 INFO L189 CegarLoopUtils]: For program point L393-3(lines 393 397) no Hoare annotation was computed. [2021-01-06 19:14:17,077 INFO L189 CegarLoopUtils]: For program point L228(lines 228 245) no Hoare annotation was computed. [2021-01-06 19:14:17,077 INFO L189 CegarLoopUtils]: For program point L393-5(lines 393 397) no Hoare annotation was computed. [2021-01-06 19:14:17,077 INFO L189 CegarLoopUtils]: For program point L228-1(lines 228 245) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L393-6(lines 393 397) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L228-2(lines 228 245) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L228-3(lines 228 245) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L393-8(lines 393 397) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L228-4(lines 228 245) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L228-5(lines 228 245) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L185 CegarLoopUtils]: At program point L196(lines 195 214) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3) (and (not (= 0 ~systemActive~0)) .cse2 .cse1 (<= 1 ~waterLevel~0) .cse3))) [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L185 CegarLoopUtils]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2021-01-06 19:14:17,078 INFO L185 CegarLoopUtils]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:14:17,078 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L185 CegarLoopUtils]: At program point L430-2(lines 430 444) the Hoare annotation is: false [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L232(lines 232 240) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L232-1(lines 232 240) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L232-3(lines 232 240) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L232-4(lines 232 240) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L185 CegarLoopUtils]: At program point L67(lines 1 991) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L232-5(lines 232 240) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L189 CegarLoopUtils]: For program point L134(lines 134 140) no Hoare annotation was computed. [2021-01-06 19:14:17,079 INFO L185 CegarLoopUtils]: At program point L134-1(lines 134 140) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse0 .cse3 .cse2 .cse4) (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~0) .cse1 .cse2 .cse6 .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse5 .cse1 .cse2 .cse6 .cse3 .cse4))) [2021-01-06 19:14:17,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:14:17 BoogieIcfgContainer [2021-01-06 19:14:17,119 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:14:17,120 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:14:17,120 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:14:17,121 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:14:17,121 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:13:56" (3/4) ... [2021-01-06 19:14:17,126 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:14:17,163 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:14:17,168 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:14:17,172 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:14:17,174 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:14:17,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:14:17,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:17,179 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:14:17,213 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2021-01-06 19:14:17,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == 1) && \result == 1 [2021-01-06 19:14:17,214 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((((((\result == 0 && 2 <= tmp) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) [2021-01-06 19:14:17,215 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) [2021-01-06 19:14:17,216 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) [2021-01-06 19:14:17,217 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) [2021-01-06 19:14:17,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) [2021-01-06 19:14:17,218 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) [2021-01-06 19:14:17,219 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) [2021-01-06 19:14:17,221 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= \result) [2021-01-06 19:14:17,223 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 [2021-01-06 19:14:17,227 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) [2021-01-06 19:14:17,233 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(\result == 0) && tmp == 0) && !(tmp___0 == 0)) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 [2021-01-06 19:14:17,234 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) [2021-01-06 19:14:17,237 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 [2021-01-06 19:14:17,238 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 [2021-01-06 19:14:17,346 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product59.cil.c-witness.graphml [2021-01-06 19:14:17,346 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:14:17,347 INFO L168 Benchmark]: Toolchain (without parser) took 22832.86 ms. Allocated memory was 155.2 MB in the beginning and 336.6 MB in the end (delta: 181.4 MB). Free memory was 130.2 MB in the beginning and 167.7 MB in the end (delta: -37.5 MB). Peak memory consumption was 144.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:17,348 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:14:17,348 INFO L168 Benchmark]: CACSL2BoogieTranslator took 582.46 ms. Allocated memory is still 155.2 MB. Free memory was 130.0 MB in the beginning and 107.6 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:17,348 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.85 ms. Allocated memory is still 155.2 MB. Free memory was 107.5 MB in the beginning and 103.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:17,349 INFO L168 Benchmark]: Boogie Preprocessor took 158.59 ms. Allocated memory is still 155.2 MB. Free memory was 103.4 MB in the beginning and 136.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:17,349 INFO L168 Benchmark]: RCFGBuilder took 1472.69 ms. Allocated memory is still 155.2 MB. Free memory was 136.4 MB in the beginning and 69.3 MB in the end (delta: 67.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:17,349 INFO L168 Benchmark]: TraceAbstraction took 20302.25 ms. Allocated memory was 155.2 MB in the beginning and 336.6 MB in the end (delta: 181.4 MB). Free memory was 69.3 MB in the beginning and 179.7 MB in the end (delta: -110.4 MB). Peak memory consumption was 138.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:17,350 INFO L168 Benchmark]: Witness Printer took 225.94 ms. Allocated memory is still 336.6 MB. Free memory was 179.7 MB in the beginning and 167.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:14:17,352 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 155.2 MB. Free memory is still 127.3 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 582.46 ms. Allocated memory is still 155.2 MB. Free memory was 130.0 MB in the beginning and 107.6 MB in the end (delta: 22.5 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 81.85 ms. Allocated memory is still 155.2 MB. Free memory was 107.5 MB in the beginning and 103.4 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 158.59 ms. Allocated memory is still 155.2 MB. Free memory was 103.4 MB in the beginning and 136.4 MB in the end (delta: -33.0 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1472.69 ms. Allocated memory is still 155.2 MB. Free memory was 136.4 MB in the beginning and 69.3 MB in the end (delta: 67.1 MB). Peak memory consumption was 66.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20302.25 ms. Allocated memory was 155.2 MB in the beginning and 336.6 MB in the end (delta: 181.4 MB). Free memory was 69.3 MB in the beginning and 179.7 MB in the end (delta: -110.4 MB). Peak memory consumption was 138.6 MB. Max. memory is 8.0 GB. * Witness Printer took 225.94 ms. Allocated memory is still 336.6 MB. Free memory was 179.7 MB in the beginning and 167.7 MB in the end (delta: 12.1 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 622]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((((((\result == 0 && 2 <= tmp) && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 501]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((((((((tmp == 1 && tmp___0 == 0) && !(0 == systemActive)) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 320]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 594]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) && \result == 1) - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 123]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: (((((((!(\result == 0) && tmp == 0) && !(tmp___0 == 0)) && !(0 == systemActive)) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 - InvariantResult [Line: 144]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1) || (((((pumpRunning == 0 && splverifierCounter == 0) && tmp == 1) && 1 <= waterLevel) && \result == 1) && 1 <= \result) - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 407]: Loop Invariant Derived loop invariant: ((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && tmp == 1) && splverifierCounter == 0) && \result == 1) - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 491]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && 1 == systemActive) && pumpRunning == 0 - InvariantResult [Line: 309]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: ((((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && \result == 1)) || ((((((1 <= tmp && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && 1 <= \result) && \result == 1)) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1) - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 430]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 553]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 474]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == 1) && \result == 1 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 203]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && splverifierCounter == 0) && tmp == 0) && tmp == 1) && \result == 1)) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 608]: Loop Invariant Derived loop invariant: ((((!(0 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((((2 <= waterLevel && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1) || ((((waterLevel == 1 && pumpRunning == 0) && splverifierCounter == 0) && tmp == 1) && \result == 1)) || ((((!(0 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 137 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.8s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1786 SDtfs, 2440 SDslu, 2771 SDs, 0 SdLazy, 380 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=376occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 14 MinimizatonAttempts, 1480 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 56 LocationsWithAnnotation, 56 PreInvPairs, 225 NumberOfFragments, 746 HoareAnnotationTreeSize, 56 FomulaSimplifications, 1721946 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 56 FomulaSimplificationsInter, 629731 FormulaSimplificationTreeSizeReductionInter, 11.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 602 NumberOfCodeBlocks, 602 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 587 ConstructedInterpolants, 0 QuantifiedInterpolants, 46513 SizeOfPredicates, 3 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 15 InterpolantComputations, 13 PerfectInterpolantSequences, 148/154 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...