/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-dcfa08f [2020-12-23 09:20:07,172 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:20:07,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:20:07,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:20:07,211 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:20:07,213 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:20:07,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:20:07,217 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:20:07,220 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:20:07,221 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:20:07,222 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:20:07,224 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:20:07,225 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:20:07,226 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:20:07,228 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:20:07,229 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:20:07,230 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:20:07,232 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:20:07,234 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:20:07,237 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:20:07,239 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:20:07,241 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:20:07,243 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:20:07,244 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:20:07,247 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:20:07,248 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:20:07,248 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:20:07,250 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:20:07,251 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:20:07,252 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:20:07,253 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:20:07,254 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:20:07,255 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:20:07,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:20:07,257 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:20:07,278 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:20:07,279 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:20:07,286 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:20:07,286 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:20:07,296 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:20:07,297 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:20:07,300 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-23 09:20:07,353 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:20:07,354 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:20:07,357 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:20:07,358 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:20:07,359 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:20:07,359 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:20:07,360 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:20:07,360 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:20:07,360 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:20:07,360 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:20:07,361 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:20:07,362 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:20:07,362 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:20:07,362 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:20:07,363 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:20:07,363 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:20:07,363 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:20:07,363 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:07,363 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:20:07,364 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:20:07,364 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:20:07,364 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:20:07,364 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:20:07,364 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:20:07,365 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:20:07,365 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:20:07,882 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:20:07,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:20:07,925 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:20:07,926 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:20:07,927 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:20:07,928 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-12-23 09:20:08,012 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/818eb0b2f/6b4b4025c41d4809be1aa6b7f9cee05f/FLAG87c393851 [2020-12-23 09:20:08,836 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:20:08,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product59.cil.c [2020-12-23 09:20:08,859 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/818eb0b2f/6b4b4025c41d4809be1aa6b7f9cee05f/FLAG87c393851 [2020-12-23 09:20:09,055 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/818eb0b2f/6b4b4025c41d4809be1aa6b7f9cee05f [2020-12-23 09:20:09,059 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:20:09,061 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:20:09,066 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:09,066 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:20:09,073 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:20:09,074 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:09,077 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72ae9a4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09, skipping insertion in model container [2020-12-23 09:20:09,078 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:09,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:20:09,162 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,] [2020-12-23 09:20:09,564 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,] [2020-12-23 09:20:09,697 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:09,721 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,] [2020-12-23 09:20:09,817 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,] [2020-12-23 09:20:09,856 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:09,901 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:20:09,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09 WrapperNode [2020-12-23 09:20:09,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:09,903 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:09,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:20:09,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:20:09,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:09,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:09,997 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:10,000 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:20:10,001 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:20:10,001 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:20:10,012 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:10,012 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:10,035 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:10,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:10,067 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:10,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:10,142 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (1/1) ... [2020-12-23 09:20:10,156 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:20:10,157 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:20:10,158 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:20:10,158 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:20:10,161 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (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 [2020-12-23 09:20:10,263 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:20:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:20:10,264 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:20:10,264 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:20:11,437 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:20:11,437 INFO L299 CfgBuilder]: Removed 196 assume(true) statements. [2020-12-23 09:20:11,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:11 BoogieIcfgContainer [2020-12-23 09:20:11,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:20:11,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:20:11,442 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:20:11,445 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:20:11,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:20:09" (1/3) ... [2020-12-23 09:20:11,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4574ecf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:11, skipping insertion in model container [2020-12-23 09:20:11,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:09" (2/3) ... [2020-12-23 09:20:11,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4574ecf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:11, skipping insertion in model container [2020-12-23 09:20:11,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:11" (3/3) ... [2020-12-23 09:20:11,449 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product59.cil.c [2020-12-23 09:20:11,456 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:20:11,462 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:20:11,486 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:20:11,517 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:20:11,518 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:20:11,518 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:20:11,518 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:20:11,518 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:20:11,518 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:20:11,519 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:20:11,519 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:20:11,540 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states. [2020-12-23 09:20:11,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:20:11,547 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:11,547 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:11,548 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:11,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:11,555 INFO L82 PathProgramCache]: Analyzing trace with hash 998639577, now seen corresponding path program 1 times [2020-12-23 09:20:11,567 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:11,568 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1579633863] [2020-12-23 09:20:11,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:11,997 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:11,998 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1579633863] [2020-12-23 09:20:11,999 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:11,999 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:12,000 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026183557] [2020-12-23 09:20:12,005 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:20:12,006 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:12,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:20:12,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:12,024 INFO L87 Difference]: Start difference. First operand 137 states. Second operand 2 states. [2020-12-23 09:20:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:12,065 INFO L93 Difference]: Finished difference Result 268 states and 401 transitions. [2020-12-23 09:20:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:20:12,066 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:20:12,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:12,079 INFO L225 Difference]: With dead ends: 268 [2020-12-23 09:20:12,079 INFO L226 Difference]: Without dead ends: 133 [2020-12-23 09:20:12,084 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 [2020-12-23 09:20:12,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2020-12-23 09:20:12,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2020-12-23 09:20:12,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 133 states. [2020-12-23 09:20:12,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 192 transitions. [2020-12-23 09:20:12,138 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 192 transitions. Word has length 16 [2020-12-23 09:20:12,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:12,139 INFO L481 AbstractCegarLoop]: Abstraction has 133 states and 192 transitions. [2020-12-23 09:20:12,139 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:20:12,139 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 192 transitions. [2020-12-23 09:20:12,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:20:12,140 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:12,141 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:12,141 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:20:12,141 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:12,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:12,142 INFO L82 PathProgramCache]: Analyzing trace with hash -48117320, now seen corresponding path program 1 times [2020-12-23 09:20:12,143 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:12,143 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [250581451] [2020-12-23 09:20:12,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:12,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:12,257 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [250581451] [2020-12-23 09:20:12,257 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:12,258 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:12,258 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1178413798] [2020-12-23 09:20:12,259 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:12,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:12,262 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:12,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:12,263 INFO L87 Difference]: Start difference. First operand 133 states and 192 transitions. Second operand 3 states. [2020-12-23 09:20:12,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:12,299 INFO L93 Difference]: Finished difference Result 133 states and 192 transitions. [2020-12-23 09:20:12,301 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:12,302 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:20:12,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:12,304 INFO L225 Difference]: With dead ends: 133 [2020-12-23 09:20:12,305 INFO L226 Difference]: Without dead ends: 55 [2020-12-23 09:20:12,308 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 [2020-12-23 09:20:12,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-12-23 09:20:12,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 55. [2020-12-23 09:20:12,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 55 states. [2020-12-23 09:20:12,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 79 transitions. [2020-12-23 09:20:12,321 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 79 transitions. Word has length 17 [2020-12-23 09:20:12,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:12,321 INFO L481 AbstractCegarLoop]: Abstraction has 55 states and 79 transitions. [2020-12-23 09:20:12,322 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:12,322 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 79 transitions. [2020-12-23 09:20:12,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:20:12,325 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:12,325 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] [2020-12-23 09:20:12,325 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:20:12,326 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:12,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:12,329 INFO L82 PathProgramCache]: Analyzing trace with hash -1725162559, now seen corresponding path program 1 times [2020-12-23 09:20:12,329 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:12,330 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240148333] [2020-12-23 09:20:12,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:12,528 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:12,528 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240148333] [2020-12-23 09:20:12,529 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:12,529 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:12,529 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268907181] [2020-12-23 09:20:12,530 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:20:12,530 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:12,531 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:20:12,531 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:20:12,531 INFO L87 Difference]: Start difference. First operand 55 states and 79 transitions. Second operand 6 states. [2020-12-23 09:20:12,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:12,736 INFO L93 Difference]: Finished difference Result 176 states and 259 transitions. [2020-12-23 09:20:12,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:12,736 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-23 09:20:12,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:12,738 INFO L225 Difference]: With dead ends: 176 [2020-12-23 09:20:12,738 INFO L226 Difference]: Without dead ends: 127 [2020-12-23 09:20:12,739 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 [2020-12-23 09:20:12,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 127 states. [2020-12-23 09:20:12,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 127 to 74. [2020-12-23 09:20:12,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2020-12-23 09:20:12,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 108 transitions. [2020-12-23 09:20:12,753 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 108 transitions. Word has length 22 [2020-12-23 09:20:12,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:12,754 INFO L481 AbstractCegarLoop]: Abstraction has 74 states and 108 transitions. [2020-12-23 09:20:12,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:20:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 108 transitions. [2020-12-23 09:20:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:20:12,755 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:12,755 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] [2020-12-23 09:20:12,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:20:12,756 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:12,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:12,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1536171928, now seen corresponding path program 1 times [2020-12-23 09:20:12,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:12,757 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379799899] [2020-12-23 09:20:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:12,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:12,814 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:12,814 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379799899] [2020-12-23 09:20:12,814 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:12,815 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:12,815 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546338037] [2020-12-23 09:20:12,815 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:12,815 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:12,818 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:12,818 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:12,818 INFO L87 Difference]: Start difference. First operand 74 states and 108 transitions. Second operand 3 states. [2020-12-23 09:20:12,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:12,890 INFO L93 Difference]: Finished difference Result 163 states and 240 transitions. [2020-12-23 09:20:12,890 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:12,890 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 09:20:12,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:12,892 INFO L225 Difference]: With dead ends: 163 [2020-12-23 09:20:12,892 INFO L226 Difference]: Without dead ends: 95 [2020-12-23 09:20:12,893 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 [2020-12-23 09:20:12,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2020-12-23 09:20:12,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 93. [2020-12-23 09:20:12,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 93 states. [2020-12-23 09:20:12,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 93 states and 132 transitions. [2020-12-23 09:20:12,918 INFO L78 Accepts]: Start accepts. Automaton has 93 states and 132 transitions. Word has length 24 [2020-12-23 09:20:12,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:12,918 INFO L481 AbstractCegarLoop]: Abstraction has 93 states and 132 transitions. [2020-12-23 09:20:12,919 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:12,919 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 132 transitions. [2020-12-23 09:20:12,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 09:20:12,920 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:12,920 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] [2020-12-23 09:20:12,920 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:20:12,920 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:12,921 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:12,921 INFO L82 PathProgramCache]: Analyzing trace with hash 1391898518, now seen corresponding path program 1 times [2020-12-23 09:20:12,923 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:12,923 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1404457993] [2020-12-23 09:20:12,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:13,012 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:13,013 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1404457993] [2020-12-23 09:20:13,013 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:13,013 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:13,013 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1556085714] [2020-12-23 09:20:13,014 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:13,014 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:13,015 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:13,022 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:13,023 INFO L87 Difference]: Start difference. First operand 93 states and 132 transitions. Second operand 5 states. [2020-12-23 09:20:13,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:13,123 INFO L93 Difference]: Finished difference Result 331 states and 477 transitions. [2020-12-23 09:20:13,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:13,124 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2020-12-23 09:20:13,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:13,126 INFO L225 Difference]: With dead ends: 331 [2020-12-23 09:20:13,127 INFO L226 Difference]: Without dead ends: 244 [2020-12-23 09:20:13,128 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 [2020-12-23 09:20:13,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2020-12-23 09:20:13,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 155. [2020-12-23 09:20:13,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-23 09:20:13,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2020-12-23 09:20:13,149 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 25 [2020-12-23 09:20:13,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:13,149 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2020-12-23 09:20:13,149 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:13,150 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2020-12-23 09:20:13,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-12-23 09:20:13,152 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:13,153 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] [2020-12-23 09:20:13,153 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:20:13,153 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:13,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:13,153 INFO L82 PathProgramCache]: Analyzing trace with hash -567410472, now seen corresponding path program 1 times [2020-12-23 09:20:13,154 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:13,155 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [197728232] [2020-12-23 09:20:13,155 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:13,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:13,250 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:13,250 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [197728232] [2020-12-23 09:20:13,250 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:13,251 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:13,251 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749828647] [2020-12-23 09:20:13,251 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:13,252 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:13,252 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:13,252 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:13,253 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 5 states. [2020-12-23 09:20:13,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:13,404 INFO L93 Difference]: Finished difference Result 327 states and 462 transitions. [2020-12-23 09:20:13,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:20:13,405 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 26 [2020-12-23 09:20:13,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:13,408 INFO L225 Difference]: With dead ends: 327 [2020-12-23 09:20:13,408 INFO L226 Difference]: Without dead ends: 325 [2020-12-23 09:20:13,409 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 [2020-12-23 09:20:13,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2020-12-23 09:20:13,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 155. [2020-12-23 09:20:13,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-12-23 09:20:13,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 213 transitions. [2020-12-23 09:20:13,428 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 213 transitions. Word has length 26 [2020-12-23 09:20:13,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:13,428 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 213 transitions. [2020-12-23 09:20:13,428 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 213 transitions. [2020-12-23 09:20:13,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:13,430 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:13,430 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] [2020-12-23 09:20:13,430 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:20:13,431 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:13,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:13,431 INFO L82 PathProgramCache]: Analyzing trace with hash -474783860, now seen corresponding path program 1 times [2020-12-23 09:20:13,432 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:13,432 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [280400621] [2020-12-23 09:20:13,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:13,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:13,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:13,483 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [280400621] [2020-12-23 09:20:13,483 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:13,483 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:13,483 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342921145] [2020-12-23 09:20:13,484 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:13,484 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:13,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:13,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:13,485 INFO L87 Difference]: Start difference. First operand 155 states and 213 transitions. Second operand 4 states. [2020-12-23 09:20:13,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:13,624 INFO L93 Difference]: Finished difference Result 320 states and 447 transitions. [2020-12-23 09:20:13,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:20:13,624 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-23 09:20:13,625 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:13,626 INFO L225 Difference]: With dead ends: 320 [2020-12-23 09:20:13,626 INFO L226 Difference]: Without dead ends: 233 [2020-12-23 09:20:13,627 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 [2020-12-23 09:20:13,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 233 states. [2020-12-23 09:20:13,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 233 to 230. [2020-12-23 09:20:13,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-23 09:20:13,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 316 transitions. [2020-12-23 09:20:13,649 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 316 transitions. Word has length 34 [2020-12-23 09:20:13,649 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:13,650 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 316 transitions. [2020-12-23 09:20:13,650 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:13,650 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 316 transitions. [2020-12-23 09:20:13,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:13,651 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:13,651 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] [2020-12-23 09:20:13,652 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:20:13,652 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:13,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:13,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1754647538, now seen corresponding path program 1 times [2020-12-23 09:20:13,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:13,653 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [782203123] [2020-12-23 09:20:13,653 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:13,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:13,702 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [782203123] [2020-12-23 09:20:13,702 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:13,702 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:13,702 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [14835784] [2020-12-23 09:20:13,703 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:13,703 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:13,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:13,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:13,704 INFO L87 Difference]: Start difference. First operand 230 states and 316 transitions. Second operand 4 states. [2020-12-23 09:20:13,795 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:13,795 INFO L93 Difference]: Finished difference Result 679 states and 946 transitions. [2020-12-23 09:20:13,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:13,796 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 34 [2020-12-23 09:20:13,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:13,799 INFO L225 Difference]: With dead ends: 679 [2020-12-23 09:20:13,799 INFO L226 Difference]: Without dead ends: 516 [2020-12-23 09:20:13,803 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 [2020-12-23 09:20:13,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 516 states. [2020-12-23 09:20:13,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 516 to 230. [2020-12-23 09:20:13,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 230 states. [2020-12-23 09:20:13,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 314 transitions. [2020-12-23 09:20:13,840 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 314 transitions. Word has length 34 [2020-12-23 09:20:13,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:13,842 INFO L481 AbstractCegarLoop]: Abstraction has 230 states and 314 transitions. [2020-12-23 09:20:13,842 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:13,842 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 314 transitions. [2020-12-23 09:20:13,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-23 09:20:13,845 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:13,845 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] [2020-12-23 09:20:13,845 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:20:13,846 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:13,847 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:13,847 INFO L82 PathProgramCache]: Analyzing trace with hash 1953513744, now seen corresponding path program 1 times [2020-12-23 09:20:13,847 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:13,847 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644209231] [2020-12-23 09:20:13,848 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:13,946 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:13,951 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644209231] [2020-12-23 09:20:13,952 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:13,952 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:13,952 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223969880] [2020-12-23 09:20:13,953 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:13,954 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:13,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:13,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:13,955 INFO L87 Difference]: Start difference. First operand 230 states and 314 transitions. Second operand 5 states. [2020-12-23 09:20:14,142 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:14,142 INFO L93 Difference]: Finished difference Result 505 states and 699 transitions. [2020-12-23 09:20:14,143 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:14,143 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-12-23 09:20:14,143 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:14,145 INFO L225 Difference]: With dead ends: 505 [2020-12-23 09:20:14,145 INFO L226 Difference]: Without dead ends: 342 [2020-12-23 09:20:14,146 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 [2020-12-23 09:20:14,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 342 states. [2020-12-23 09:20:14,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 342 to 256. [2020-12-23 09:20:14,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 256 states. [2020-12-23 09:20:14,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 256 states and 352 transitions. [2020-12-23 09:20:14,188 INFO L78 Accepts]: Start accepts. Automaton has 256 states and 352 transitions. Word has length 34 [2020-12-23 09:20:14,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:14,188 INFO L481 AbstractCegarLoop]: Abstraction has 256 states and 352 transitions. [2020-12-23 09:20:14,188 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:14,188 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 352 transitions. [2020-12-23 09:20:14,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:20:14,190 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:14,190 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] [2020-12-23 09:20:14,190 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:20:14,190 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:14,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:14,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1169821653, now seen corresponding path program 1 times [2020-12-23 09:20:14,191 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:14,191 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1307910507] [2020-12-23 09:20:14,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:14,258 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 09:20:14,259 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1307910507] [2020-12-23 09:20:14,259 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:14,259 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:14,260 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1758913508] [2020-12-23 09:20:14,260 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:14,260 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:14,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:14,261 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:14,262 INFO L87 Difference]: Start difference. First operand 256 states and 352 transitions. Second operand 5 states. [2020-12-23 09:20:14,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:14,371 INFO L93 Difference]: Finished difference Result 778 states and 1068 transitions. [2020-12-23 09:20:14,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:14,371 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 54 [2020-12-23 09:20:14,372 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:14,374 INFO L225 Difference]: With dead ends: 778 [2020-12-23 09:20:14,375 INFO L226 Difference]: Without dead ends: 528 [2020-12-23 09:20:14,376 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 [2020-12-23 09:20:14,377 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 528 states. [2020-12-23 09:20:14,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 528 to 265. [2020-12-23 09:20:14,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 265 states. [2020-12-23 09:20:14,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 361 transitions. [2020-12-23 09:20:14,412 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 361 transitions. Word has length 54 [2020-12-23 09:20:14,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:14,412 INFO L481 AbstractCegarLoop]: Abstraction has 265 states and 361 transitions. [2020-12-23 09:20:14,412 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:14,413 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 361 transitions. [2020-12-23 09:20:14,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-12-23 09:20:14,414 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:14,414 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] [2020-12-23 09:20:14,414 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:20:14,415 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:14,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:14,415 INFO L82 PathProgramCache]: Analyzing trace with hash -1074161645, now seen corresponding path program 1 times [2020-12-23 09:20:14,415 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:14,416 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1534228587] [2020-12-23 09:20:14,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:14,484 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-23 09:20:14,485 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1534228587] [2020-12-23 09:20:14,485 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:14,485 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:14,486 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1376839432] [2020-12-23 09:20:14,489 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:14,489 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:14,490 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:14,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:14,490 INFO L87 Difference]: Start difference. First operand 265 states and 361 transitions. Second operand 4 states. [2020-12-23 09:20:14,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:14,578 INFO L93 Difference]: Finished difference Result 609 states and 830 transitions. [2020-12-23 09:20:14,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:20:14,578 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 54 [2020-12-23 09:20:14,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:14,581 INFO L225 Difference]: With dead ends: 609 [2020-12-23 09:20:14,581 INFO L226 Difference]: Without dead ends: 350 [2020-12-23 09:20:14,582 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 [2020-12-23 09:20:14,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-12-23 09:20:14,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 224. [2020-12-23 09:20:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 224 states. [2020-12-23 09:20:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 299 transitions. [2020-12-23 09:20:14,613 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 299 transitions. Word has length 54 [2020-12-23 09:20:14,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:14,614 INFO L481 AbstractCegarLoop]: Abstraction has 224 states and 299 transitions. [2020-12-23 09:20:14,614 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:14,614 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 299 transitions. [2020-12-23 09:20:14,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-12-23 09:20:14,617 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:14,618 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] [2020-12-23 09:20:14,618 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:20:14,618 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:14,624 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:14,624 INFO L82 PathProgramCache]: Analyzing trace with hash -1418553649, now seen corresponding path program 1 times [2020-12-23 09:20:14,625 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:14,625 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [778731859] [2020-12-23 09:20:14,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:14,758 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:14,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [778731859] [2020-12-23 09:20:14,759 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1215868666] [2020-12-23 09:20:14,759 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 [2020-12-23 09:20:14,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:14,939 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 09:20:14,955 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:20:15,099 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-23 09:20:15,100 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:20:15,100 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-23 09:20:15,101 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677780899] [2020-12-23 09:20:15,102 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:20:15,102 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:15,103 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:20:15,103 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:20:15,104 INFO L87 Difference]: Start difference. First operand 224 states and 299 transitions. Second operand 6 states. [2020-12-23 09:20:15,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:15,383 INFO L93 Difference]: Finished difference Result 636 states and 864 transitions. [2020-12-23 09:20:15,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:20:15,384 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 55 [2020-12-23 09:20:15,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:15,388 INFO L225 Difference]: With dead ends: 636 [2020-12-23 09:20:15,389 INFO L226 Difference]: Without dead ends: 466 [2020-12-23 09:20:15,389 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:20:15,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 466 states. [2020-12-23 09:20:15,427 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 466 to 272. [2020-12-23 09:20:15,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-12-23 09:20:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 363 transitions. [2020-12-23 09:20:15,429 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 363 transitions. Word has length 55 [2020-12-23 09:20:15,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:15,432 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 363 transitions. [2020-12-23 09:20:15,432 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:20:15,432 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 363 transitions. [2020-12-23 09:20:15,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:20:15,433 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:15,433 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] [2020-12-23 09:20:15,639 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-23 09:20:15,640 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:15,641 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:15,641 INFO L82 PathProgramCache]: Analyzing trace with hash 242065008, now seen corresponding path program 2 times [2020-12-23 09:20:15,642 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:15,642 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086797719] [2020-12-23 09:20:15,642 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:15,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:15,854 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 09:20:15,855 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086797719] [2020-12-23 09:20:15,855 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:15,855 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:15,861 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1336910992] [2020-12-23 09:20:15,863 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:15,863 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:15,864 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:15,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:15,865 INFO L87 Difference]: Start difference. First operand 272 states and 363 transitions. Second operand 5 states. [2020-12-23 09:20:16,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:16,175 INFO L93 Difference]: Finished difference Result 809 states and 1095 transitions. [2020-12-23 09:20:16,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:16,176 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 76 [2020-12-23 09:20:16,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:16,180 INFO L225 Difference]: With dead ends: 809 [2020-12-23 09:20:16,180 INFO L226 Difference]: Without dead ends: 584 [2020-12-23 09:20:16,181 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 [2020-12-23 09:20:16,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 584 states. [2020-12-23 09:20:16,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 584 to 376. [2020-12-23 09:20:16,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 376 states. [2020-12-23 09:20:16,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 376 states and 501 transitions. [2020-12-23 09:20:16,236 INFO L78 Accepts]: Start accepts. Automaton has 376 states and 501 transitions. Word has length 76 [2020-12-23 09:20:16,236 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:16,236 INFO L481 AbstractCegarLoop]: Abstraction has 376 states and 501 transitions. [2020-12-23 09:20:16,236 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:16,236 INFO L276 IsEmpty]: Start isEmpty. Operand 376 states and 501 transitions. [2020-12-23 09:20:16,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-12-23 09:20:16,238 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:16,238 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] [2020-12-23 09:20:16,238 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-23 09:20:16,238 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:16,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:16,239 INFO L82 PathProgramCache]: Analyzing trace with hash 516824622, now seen corresponding path program 1 times [2020-12-23 09:20:16,239 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:16,239 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887140691] [2020-12-23 09:20:16,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-12-23 09:20:16,315 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887140691] [2020-12-23 09:20:16,315 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:16,315 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:20:16,315 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1551335778] [2020-12-23 09:20:16,316 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:20:16,316 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:16,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:20:16,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:20:16,317 INFO L87 Difference]: Start difference. First operand 376 states and 501 transitions. Second operand 7 states. [2020-12-23 09:20:16,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:16,464 INFO L93 Difference]: Finished difference Result 780 states and 1040 transitions. [2020-12-23 09:20:16,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:20:16,465 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 76 [2020-12-23 09:20:16,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:16,465 INFO L225 Difference]: With dead ends: 780 [2020-12-23 09:20:16,465 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:20:16,467 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2020-12-23 09:20:16,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:20:16,467 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:20:16,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:20:16,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:20:16,468 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2020-12-23 09:20:16,468 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:16,468 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:20:16,468 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:20:16,468 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:20:16,468 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:20:16,468 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:20:16,471 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:20:16,821 WARN L197 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 168 [2020-12-23 09:20:17,277 WARN L197 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 217 DAG size of output: 184 [2020-12-23 09:20:17,420 WARN L197 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 94 [2020-12-23 09:20:18,151 WARN L197 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 186 [2020-12-23 09:20:18,343 WARN L197 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 152 [2020-12-23 09:20:18,516 WARN L197 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 102 [2020-12-23 09:20:18,971 WARN L197 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 218 DAG size of output: 186 [2020-12-23 09:20:19,330 WARN L197 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 169 [2020-12-23 09:20:19,696 WARN L197 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 181 [2020-12-23 09:20:20,432 WARN L197 SmtUtils]: Spent 729.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 38 [2020-12-23 09:20:21,403 WARN L197 SmtUtils]: Spent 959.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 26 [2020-12-23 09:20:21,727 WARN L197 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2020-12-23 09:20:21,988 WARN L197 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 28 [2020-12-23 09:20:22,143 WARN L197 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 26 [2020-12-23 09:20:23,112 WARN L197 SmtUtils]: Spent 966.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2020-12-23 09:20:23,775 WARN L197 SmtUtils]: Spent 659.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 30 [2020-12-23 09:20:24,151 WARN L197 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 20 [2020-12-23 09:20:24,259 WARN L197 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 23 [2020-12-23 09:20:25,276 WARN L197 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2020-12-23 09:20:26,171 WARN L197 SmtUtils]: Spent 774.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 31 [2020-12-23 09:20:26,311 WARN L197 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 18 [2020-12-23 09:20:27,181 WARN L197 SmtUtils]: Spent 867.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 27 [2020-12-23 09:20:27,185 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2020-12-23 09:20:27,185 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)) [2020-12-23 09:20:27,185 INFO L185 CegarLoopUtils]: At program point L399-1(lines 384 402) the Hoare annotation is: false [2020-12-23 09:20:27,185 INFO L185 CegarLoopUtils]: At program point L399-2(lines 384 402) the Hoare annotation is: false [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L598(lines 598 604) no Hoare annotation was computed. [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L598-1(lines 598 604) no Hoare annotation was computed. [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L598-2(lines 598 604) no Hoare annotation was computed. [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L598-3(lines 598 604) no Hoare annotation was computed. [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L598-4(lines 598 604) no Hoare annotation was computed. [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L598-5(lines 598 604) no Hoare annotation was computed. [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L533(lines 533 537) no Hoare annotation was computed. [2020-12-23 09:20:27,186 INFO L189 CegarLoopUtils]: For program point L434(lines 434 438) no Hoare annotation was computed. [2020-12-23 09:20:27,187 INFO L189 CegarLoopUtils]: For program point L434-1(lines 196 202) no Hoare annotation was computed. [2020-12-23 09:20:27,187 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))) [2020-12-23 09:20:27,187 INFO L185 CegarLoopUtils]: At program point L203-1(lines 203 209) the Hoare annotation is: false [2020-12-23 09:20:27,187 INFO L185 CegarLoopUtils]: At program point L203-2(lines 203 209) the Hoare annotation is: false [2020-12-23 09:20:27,187 INFO L189 CegarLoopUtils]: For program point L501(lines 501 508) no Hoare annotation was computed. [2020-12-23 09:20:27,187 INFO L192 CegarLoopUtils]: At program point L501-1(lines 501 508) the Hoare annotation is: true [2020-12-23 09:20:27,187 INFO L185 CegarLoopUtils]: At program point L172(lines 123 173) the Hoare annotation is: false [2020-12-23 09:20:27,187 INFO L185 CegarLoopUtils]: At program point L603(lines 594 607) the Hoare annotation is: false [2020-12-23 09:20:27,188 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))) [2020-12-23 09:20:27,188 INFO L185 CegarLoopUtils]: At program point L603-2(lines 594 607) the Hoare annotation is: false [2020-12-23 09:20:27,188 INFO L185 CegarLoopUtils]: At program point L603-3(lines 594 607) the Hoare annotation is: false [2020-12-23 09:20:27,188 INFO L185 CegarLoopUtils]: At program point L603-4(lines 594 607) the Hoare annotation is: false [2020-12-23 09:20:27,188 INFO L185 CegarLoopUtils]: At program point L603-5(lines 594 607) the Hoare annotation is: false [2020-12-23 09:20:27,188 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)) [2020-12-23 09:20:27,188 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L407(lines 407 413) no Hoare annotation was computed. [2020-12-23 09:20:27,189 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))) [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374-2(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374-3(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374-5(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374-6(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374-8(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374-9(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,189 INFO L189 CegarLoopUtils]: For program point L374-11(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,190 INFO L189 CegarLoopUtils]: For program point L374-12(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,190 INFO L189 CegarLoopUtils]: For program point L374-14(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,190 INFO L189 CegarLoopUtils]: For program point L374-15(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,190 INFO L189 CegarLoopUtils]: For program point L374-17(lines 374 378) no Hoare annotation was computed. [2020-12-23 09:20:27,190 INFO L189 CegarLoopUtils]: For program point L144(lines 144 150) no Hoare annotation was computed. [2020-12-23 09:20:27,190 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))) [2020-12-23 09:20:27,190 INFO L192 CegarLoopUtils]: At program point L510(lines 491 513) the Hoare annotation is: true [2020-12-23 09:20:27,191 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)) [2020-12-23 09:20:27,191 INFO L189 CegarLoopUtils]: For program point L545(lines 545 549) no Hoare annotation was computed. [2020-12-23 09:20:27,191 INFO L185 CegarLoopUtils]: At program point L380(lines 365 383) the Hoare annotation is: false [2020-12-23 09:20:27,191 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))) [2020-12-23 09:20:27,191 INFO L185 CegarLoopUtils]: At program point L380-2(lines 365 383) the Hoare annotation is: false [2020-12-23 09:20:27,191 INFO L185 CegarLoopUtils]: At program point L380-3(lines 365 383) the Hoare annotation is: false [2020-12-23 09:20:27,191 INFO L185 CegarLoopUtils]: At program point L380-4(lines 365 383) the Hoare annotation is: false [2020-12-23 09:20:27,191 INFO L185 CegarLoopUtils]: At program point L380-5(lines 365 383) the Hoare annotation is: false [2020-12-23 09:20:27,192 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)) [2020-12-23 09:20:27,192 INFO L185 CegarLoopUtils]: At program point L613-1(lines 608 616) the Hoare annotation is: false [2020-12-23 09:20:27,192 INFO L185 CegarLoopUtils]: At program point L613-2(lines 608 616) the Hoare annotation is: false [2020-12-23 09:20:27,192 INFO L185 CegarLoopUtils]: At program point L316(lines 309 319) the Hoare annotation is: false [2020-12-23 09:20:27,192 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)) [2020-12-23 09:20:27,192 INFO L185 CegarLoopUtils]: At program point L316-2(lines 309 319) the Hoare annotation is: false [2020-12-23 09:20:27,192 INFO L185 CegarLoopUtils]: At program point L316-3(lines 309 319) the Hoare annotation is: false [2020-12-23 09:20:27,192 INFO L185 CegarLoopUtils]: At program point L316-4(lines 309 319) the Hoare annotation is: false [2020-12-23 09:20:27,192 INFO L185 CegarLoopUtils]: At program point L316-5(lines 309 319) the Hoare annotation is: false [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L154(lines 154 167) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L254(lines 254 271) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L254-1(lines 254 271) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L254-2(lines 254 271) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L91(lines 91 104) no Hoare annotation was computed. [2020-12-23 09:20:27,193 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))) [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L91-2(lines 91 104) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L185 CegarLoopUtils]: At program point L91-3(lines 1 991) the Hoare annotation is: false [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L91-4(lines 91 104) no Hoare annotation was computed. [2020-12-23 09:20:27,193 INFO L185 CegarLoopUtils]: At program point L91-5(lines 1 991) the Hoare annotation is: false [2020-12-23 09:20:27,193 INFO L189 CegarLoopUtils]: For program point L521(lines 521 525) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L521-3(lines 521 525) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L521-6(lines 521 525) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L125(lines 124 171) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L291(lines 291 297) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L258(lines 258 266) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L291-2(lines 291 297) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L258-1(lines 258 266) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L258-2(lines 258 266) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L291-4(lines 291 297) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L126(lines 126 130) no Hoare annotation was computed. [2020-12-23 09:20:27,194 INFO L189 CegarLoopUtils]: For program point L291-6(lines 291 297) no Hoare annotation was computed. [2020-12-23 09:20:27,195 INFO L189 CegarLoopUtils]: For program point L291-8(lines 291 297) no Hoare annotation was computed. [2020-12-23 09:20:27,195 INFO L189 CegarLoopUtils]: For program point L291-10(lines 291 297) no Hoare annotation was computed. [2020-12-23 09:20:27,195 INFO L189 CegarLoopUtils]: For program point L622(line 622) no Hoare annotation was computed. [2020-12-23 09:20:27,195 INFO L189 CegarLoopUtils]: For program point L622-1(line 622) no Hoare annotation was computed. [2020-12-23 09:20:27,195 INFO L189 CegarLoopUtils]: For program point L622-2(line 622) no Hoare annotation was computed. [2020-12-23 09:20:27,195 INFO L185 CegarLoopUtils]: At program point L325(lines 320 328) the Hoare annotation is: false [2020-12-23 09:20:27,195 INFO L185 CegarLoopUtils]: At program point L325-1(lines 320 328) the Hoare annotation is: false [2020-12-23 09:20:27,195 INFO L185 CegarLoopUtils]: At program point L325-2(lines 320 328) the Hoare annotation is: false [2020-12-23 09:20:27,195 INFO L189 CegarLoopUtils]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-12-23 09:20:27,196 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))) [2020-12-23 09:20:27,196 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:20:27,196 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|)))) [2020-12-23 09:20:27,196 INFO L185 CegarLoopUtils]: At program point L590-1(lines 585 593) the Hoare annotation is: false [2020-12-23 09:20:27,196 INFO L185 CegarLoopUtils]: At program point L590-2(lines 585 593) the Hoare annotation is: false [2020-12-23 09:20:27,196 INFO L189 CegarLoopUtils]: For program point L95(lines 95 101) no Hoare annotation was computed. [2020-12-23 09:20:27,196 INFO L189 CegarLoopUtils]: For program point L95-2(lines 95 101) no Hoare annotation was computed. [2020-12-23 09:20:27,196 INFO L189 CegarLoopUtils]: For program point L95-4(lines 95 101) no Hoare annotation was computed. [2020-12-23 09:20:27,197 INFO L185 CegarLoopUtils]: At program point L558(lines 553 561) the Hoare annotation is: false [2020-12-23 09:20:27,197 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)) [2020-12-23 09:20:27,197 INFO L185 CegarLoopUtils]: At program point L558-2(lines 553 561) the Hoare annotation is: false [2020-12-23 09:20:27,197 INFO L185 CegarLoopUtils]: At program point L558-3(lines 553 561) the Hoare annotation is: false [2020-12-23 09:20:27,197 INFO L185 CegarLoopUtils]: At program point L558-4(lines 553 561) the Hoare annotation is: false [2020-12-23 09:20:27,197 INFO L189 CegarLoopUtils]: For program point L393(lines 393 397) no Hoare annotation was computed. [2020-12-23 09:20:27,197 INFO L185 CegarLoopUtils]: At program point L558-5(lines 553 561) the Hoare annotation is: false [2020-12-23 09:20:27,197 INFO L189 CegarLoopUtils]: For program point L393-2(lines 393 397) no Hoare annotation was computed. [2020-12-23 09:20:27,197 INFO L189 CegarLoopUtils]: For program point L393-3(lines 393 397) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L228(lines 228 245) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L393-5(lines 393 397) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L228-1(lines 228 245) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L393-6(lines 393 397) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L228-2(lines 228 245) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L228-3(lines 228 245) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L393-8(lines 393 397) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L228-4(lines 228 245) no Hoare annotation was computed. [2020-12-23 09:20:27,198 INFO L189 CegarLoopUtils]: For program point L228-5(lines 228 245) no Hoare annotation was computed. [2020-12-23 09:20:27,199 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))) [2020-12-23 09:20:27,199 INFO L189 CegarLoopUtils]: For program point L196-1(lines 196 202) no Hoare annotation was computed. [2020-12-23 09:20:27,199 INFO L185 CegarLoopUtils]: At program point L196-2(lines 195 214) the Hoare annotation is: false [2020-12-23 09:20:27,199 INFO L185 CegarLoopUtils]: At program point L196-3(lines 195 214) the Hoare annotation is: false [2020-12-23 09:20:27,199 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:20:27,199 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 622) no Hoare annotation was computed. [2020-12-23 09:20:27,199 INFO L185 CegarLoopUtils]: At program point L430-2(lines 430 444) the Hoare annotation is: false [2020-12-23 09:20:27,199 INFO L189 CegarLoopUtils]: For program point L232(lines 232 240) no Hoare annotation was computed. [2020-12-23 09:20:27,199 INFO L189 CegarLoopUtils]: For program point L232-1(lines 232 240) no Hoare annotation was computed. [2020-12-23 09:20:27,200 INFO L189 CegarLoopUtils]: For program point L232-2(lines 232 240) no Hoare annotation was computed. [2020-12-23 09:20:27,200 INFO L189 CegarLoopUtils]: For program point L232-3(lines 232 240) no Hoare annotation was computed. [2020-12-23 09:20:27,200 INFO L189 CegarLoopUtils]: For program point L232-4(lines 232 240) no Hoare annotation was computed. [2020-12-23 09:20:27,200 INFO L185 CegarLoopUtils]: At program point L67(lines 1 991) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-12-23 09:20:27,200 INFO L189 CegarLoopUtils]: For program point L232-5(lines 232 240) no Hoare annotation was computed. [2020-12-23 09:20:27,200 INFO L189 CegarLoopUtils]: For program point L431(line 431) no Hoare annotation was computed. [2020-12-23 09:20:27,200 INFO L189 CegarLoopUtils]: For program point L134(lines 134 140) no Hoare annotation was computed. [2020-12-23 09:20:27,200 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))) [2020-12-23 09:20:27,234 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:20:27 BoogieIcfgContainer [2020-12-23 09:20:27,234 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:20:27,235 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:20:27,235 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:20:27,235 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:20:27,235 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:11" (3/4) ... [2020-12-23 09:20:27,239 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:20:27,266 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:20:27,271 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:20:27,272 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:20:27,275 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:20:27,277 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:20:27,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:20:27,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:20:27,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && 1 == systemActive) && pumpRunning == 0) && \result == 1 [2020-12-23 09:20:27,317 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && pumpRunning == 0) && tmp == systemActive) && tmp == 1) && \result == 1 [2020-12-23 09:20:27,317 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) [2020-12-23 09:20:27,318 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) [2020-12-23 09:20:27,319 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) [2020-12-23 09:20:27,320 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) [2020-12-23 09:20:27,321 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) [2020-12-23 09:20:27,321 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) [2020-12-23 09:20:27,322 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) [2020-12-23 09:20:27,323 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) [2020-12-23 09:20:27,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(0 == systemActive) && \result == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 1) && \result == 1 [2020-12-23 09:20:27,328 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) [2020-12-23 09:20:27,332 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 [2020-12-23 09:20:27,333 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) [2020-12-23 09:20:27,336 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 [2020-12-23 09:20:27,336 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 [2020-12-23 09:20:27,446 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product59.cil.c-witness.graphml [2020-12-23 09:20:27,446 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:20:27,447 INFO L168 Benchmark]: Toolchain (without parser) took 18386.63 ms. Allocated memory was 151.0 MB in the beginning and 336.6 MB in the end (delta: 185.6 MB). Free memory was 125.7 MB in the beginning and 155.8 MB in the end (delta: -30.1 MB). Peak memory consumption was 156.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:27,448 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 89.8 kB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:20:27,448 INFO L168 Benchmark]: CACSL2BoogieTranslator took 836.82 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 103.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:27,448 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.47 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 99.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:27,449 INFO L168 Benchmark]: Boogie Preprocessor took 155.95 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 132.4 MB in the end (delta: -33.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:27,449 INFO L168 Benchmark]: RCFGBuilder took 1282.33 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 65.3 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:27,450 INFO L168 Benchmark]: TraceAbstraction took 15792.70 ms. Allocated memory was 151.0 MB in the beginning and 336.6 MB in the end (delta: 185.6 MB). Free memory was 64.8 MB in the beginning and 167.8 MB in the end (delta: -103.1 MB). Peak memory consumption was 138.6 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:27,450 INFO L168 Benchmark]: Witness Printer took 211.74 ms. Allocated memory is still 336.6 MB. Free memory was 167.8 MB in the beginning and 155.8 MB in the end (delta: 12.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:27,454 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 151.0 MB. Free memory was 125.5 MB in the beginning and 125.4 MB in the end (delta: 89.8 kB). There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 836.82 ms. Allocated memory is still 151.0 MB. Free memory was 125.6 MB in the beginning and 103.0 MB in the end (delta: 22.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 94.47 ms. Allocated memory is still 151.0 MB. Free memory was 103.0 MB in the beginning and 99.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 155.95 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 132.4 MB in the end (delta: -33.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1282.33 ms. Allocated memory is still 151.0 MB. Free memory was 132.4 MB in the beginning and 65.3 MB in the end (delta: 67.1 MB). Peak memory consumption was 67.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 15792.70 ms. Allocated memory was 151.0 MB in the beginning and 336.6 MB in the end (delta: 185.6 MB). Free memory was 64.8 MB in the beginning and 167.8 MB in the end (delta: -103.1 MB). Peak memory consumption was 138.6 MB. Max. memory is 8.0 GB. * Witness Printer took 211.74 ms. Allocated memory is still 336.6 MB. Free memory was 167.8 MB in the beginning and 155.8 MB in the end (delta: 12.0 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: 4.9s, OverallIterations: 14, TraceHistogramMax: 3, AutomataDifference: 2.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1786 SDtfs, 2440 SDslu, 2771 SDs, 0 SdLazy, 380 SolverSat, 76 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.4s 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, 3.2s HoareSimplificationTime, 56 FomulaSimplificationsInter, 629731 FormulaSimplificationTreeSizeReductionInter, 7.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.0s 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...