/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_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:20:01,041 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:20:01,045 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:20:01,110 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:20:01,111 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:20:01,116 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:20:01,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:20:01,126 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:20:01,129 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:20:01,137 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:20:01,142 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:20:01,144 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:20:01,144 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:20:01,148 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:20:01,150 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:20:01,152 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:20:01,153 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:20:01,158 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:20:01,166 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:20:01,173 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:20:01,176 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:20:01,178 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:20:01,180 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:20:01,183 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:20:01,189 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:20:01,189 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:20:01,189 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:20:01,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:20:01,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:20:01,194 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:20:01,194 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:20:01,195 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:20:01,212 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:20:01,214 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:20:01,215 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:20:01,215 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:20:01,216 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:20:01,216 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:20:01,216 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:20:01,218 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:20:01,218 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:20:01,220 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 09:20:01,271 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:20:01,272 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:20:01,277 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:20:01,277 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:20:01,278 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:20:01,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:20:01,278 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:20:01,278 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:20:01,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:20:01,279 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:20:01,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:20:01,281 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:20:01,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:20:01,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:20:01,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:20:01,282 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:20:01,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:20:01,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:20:01,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:20:01,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:20:01,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:20:01,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:20:01,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:20:01,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:20:01,284 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:20:01,284 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:20:01,788 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:20:01,817 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:20:01,821 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:20:01,823 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:20:01,823 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:20:01,824 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2020-12-23 09:20:01,923 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9e1cb41c1/f454d98507d446349c1c519e7e53004a/FLAG25de70df9 [2020-12-23 09:20:02,695 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:20:02,696 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec4_product50.cil.c [2020-12-23 09:20:02,722 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9e1cb41c1/f454d98507d446349c1c519e7e53004a/FLAG25de70df9 [2020-12-23 09:20:02,968 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/9e1cb41c1/f454d98507d446349c1c519e7e53004a [2020-12-23 09:20:02,972 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:20:02,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:20:02,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:02,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:20:02,983 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:20:02,984 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:02" (1/1) ... [2020-12-23 09:20:02,986 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76fdc89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:02, skipping insertion in model container [2020-12-23 09:20:02,987 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:20:02" (1/1) ... [2020-12-23 09:20:02,996 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:20:03,075 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:20:03,529 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_product50.cil.c[12686,12699] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] [2020-12-23 09:20:03,645 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:03,669 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] 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~1,] 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~2,] 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~0,] 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~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] 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~1,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] [2020-12-23 09:20:03,811 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_product50.cil.c[12686,12699] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] 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~6,] 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~8,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~13,] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] [2020-12-23 09:20:03,863 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:20:03,905 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:20:03,907 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03 WrapperNode [2020-12-23 09:20:03,908 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:20:03,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:03,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:20:03,910 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:20:03,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:03,945 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,003 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:20:04,004 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:20:04,004 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:20:04,004 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:20:04,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,040 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,045 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,075 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,100 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,107 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (1/1) ... [2020-12-23 09:20:04,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:20:04,121 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:20:04,121 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:20:04,122 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:20:04,123 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (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 09:20:04,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:20:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:20:04,247 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:20:04,247 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:20:05,417 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:20:05,417 INFO L299 CfgBuilder]: Removed 158 assume(true) statements. [2020-12-23 09:20:05,421 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:05 BoogieIcfgContainer [2020-12-23 09:20:05,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:20:05,423 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:20:05,425 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:20:05,429 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:20:05,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:20:02" (1/3) ... [2020-12-23 09:20:05,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e8648b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:05, skipping insertion in model container [2020-12-23 09:20:05,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:20:03" (2/3) ... [2020-12-23 09:20:05,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55e8648b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:20:05, skipping insertion in model container [2020-12-23 09:20:05,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:05" (3/3) ... [2020-12-23 09:20:05,437 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product50.cil.c [2020-12-23 09:20:05,445 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:20:05,452 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:20:05,474 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:20:05,505 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:20:05,505 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:20:05,506 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:20:05,506 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:20:05,506 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:20:05,506 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:20:05,506 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:20:05,506 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:20:05,527 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states. [2020-12-23 09:20:05,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:20:05,534 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:05,535 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:20:05,536 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:05,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:05,543 INFO L82 PathProgramCache]: Analyzing trace with hash -1800894747, now seen corresponding path program 1 times [2020-12-23 09:20:05,554 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:05,555 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146391866] [2020-12-23 09:20:05,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:05,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:05,913 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 09:20:05,914 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146391866] [2020-12-23 09:20:05,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:05,916 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:05,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034972407] [2020-12-23 09:20:05,922 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:20:05,923 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:05,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:20:05,938 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:20:05,940 INFO L87 Difference]: Start difference. First operand 117 states. Second operand 2 states. [2020-12-23 09:20:05,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:05,977 INFO L93 Difference]: Finished difference Result 228 states and 347 transitions. [2020-12-23 09:20:05,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:20:05,979 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:20:05,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:05,992 INFO L225 Difference]: With dead ends: 228 [2020-12-23 09:20:05,992 INFO L226 Difference]: Without dead ends: 113 [2020-12-23 09:20:05,996 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 09:20:06,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2020-12-23 09:20:06,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2020-12-23 09:20:06,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2020-12-23 09:20:06,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 165 transitions. [2020-12-23 09:20:06,045 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 165 transitions. Word has length 16 [2020-12-23 09:20:06,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:06,046 INFO L481 AbstractCegarLoop]: Abstraction has 113 states and 165 transitions. [2020-12-23 09:20:06,046 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:20:06,046 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 165 transitions. [2020-12-23 09:20:06,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:20:06,047 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:06,047 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 09:20:06,048 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:20:06,048 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:06,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:06,049 INFO L82 PathProgramCache]: Analyzing trace with hash 1447315652, now seen corresponding path program 1 times [2020-12-23 09:20:06,049 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:06,050 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972838352] [2020-12-23 09:20:06,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:06,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:06,158 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 09:20:06,159 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972838352] [2020-12-23 09:20:06,159 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:06,159 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:06,160 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [442146979] [2020-12-23 09:20:06,161 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:06,162 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:06,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:06,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:06,163 INFO L87 Difference]: Start difference. First operand 113 states and 165 transitions. Second operand 3 states. [2020-12-23 09:20:06,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:06,179 INFO L93 Difference]: Finished difference Result 113 states and 165 transitions. [2020-12-23 09:20:06,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:06,180 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:20:06,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:06,181 INFO L225 Difference]: With dead ends: 113 [2020-12-23 09:20:06,182 INFO L226 Difference]: Without dead ends: 47 [2020-12-23 09:20:06,183 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 09:20:06,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-23 09:20:06,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-23 09:20:06,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-23 09:20:06,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 68 transitions. [2020-12-23 09:20:06,190 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 68 transitions. Word has length 17 [2020-12-23 09:20:06,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:06,191 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 68 transitions. [2020-12-23 09:20:06,191 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:06,191 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 68 transitions. [2020-12-23 09:20:06,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:20:06,192 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:06,192 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 09:20:06,193 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:20:06,193 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:06,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:06,194 INFO L82 PathProgramCache]: Analyzing trace with hash -230586389, now seen corresponding path program 1 times [2020-12-23 09:20:06,194 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:06,194 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2136276300] [2020-12-23 09:20:06,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:06,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:06,371 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 09:20:06,372 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2136276300] [2020-12-23 09:20:06,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:06,373 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:06,373 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521870311] [2020-12-23 09:20:06,373 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:06,374 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:06,374 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:06,375 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:06,375 INFO L87 Difference]: Start difference. First operand 47 states and 68 transitions. Second operand 5 states. [2020-12-23 09:20:06,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:06,450 INFO L93 Difference]: Finished difference Result 88 states and 130 transitions. [2020-12-23 09:20:06,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:06,451 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2020-12-23 09:20:06,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:06,452 INFO L225 Difference]: With dead ends: 88 [2020-12-23 09:20:06,452 INFO L226 Difference]: Without dead ends: 47 [2020-12-23 09:20:06,453 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 09:20:06,454 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2020-12-23 09:20:06,459 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2020-12-23 09:20:06,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2020-12-23 09:20:06,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 67 transitions. [2020-12-23 09:20:06,460 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 67 transitions. Word has length 22 [2020-12-23 09:20:06,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:06,461 INFO L481 AbstractCegarLoop]: Abstraction has 47 states and 67 transitions. [2020-12-23 09:20:06,461 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:06,461 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 67 transitions. [2020-12-23 09:20:06,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2020-12-23 09:20:06,462 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:06,462 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 09:20:06,463 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:20:06,463 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:06,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:06,464 INFO L82 PathProgramCache]: Analyzing trace with hash -108421843, now seen corresponding path program 1 times [2020-12-23 09:20:06,464 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:06,464 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1617303041] [2020-12-23 09:20:06,464 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:06,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:06,521 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 09:20:06,522 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1617303041] [2020-12-23 09:20:06,522 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:06,522 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:20:06,522 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931890644] [2020-12-23 09:20:06,523 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:20:06,523 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:06,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:20:06,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:20:06,524 INFO L87 Difference]: Start difference. First operand 47 states and 67 transitions. Second operand 3 states. [2020-12-23 09:20:06,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:06,574 INFO L93 Difference]: Finished difference Result 109 states and 158 transitions. [2020-12-23 09:20:06,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:20:06,575 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2020-12-23 09:20:06,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:06,576 INFO L225 Difference]: With dead ends: 109 [2020-12-23 09:20:06,576 INFO L226 Difference]: Without dead ends: 68 [2020-12-23 09:20:06,577 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 09:20:06,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 68 states. [2020-12-23 09:20:06,586 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 68 to 66. [2020-12-23 09:20:06,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 66 states. [2020-12-23 09:20:06,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 66 states and 93 transitions. [2020-12-23 09:20:06,588 INFO L78 Accepts]: Start accepts. Automaton has 66 states and 93 transitions. Word has length 24 [2020-12-23 09:20:06,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:06,588 INFO L481 AbstractCegarLoop]: Abstraction has 66 states and 93 transitions. [2020-12-23 09:20:06,588 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:20:06,589 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 93 transitions. [2020-12-23 09:20:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 09:20:06,590 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:06,590 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] [2020-12-23 09:20:06,590 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:20:06,590 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:06,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:06,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1619186466, now seen corresponding path program 1 times [2020-12-23 09:20:06,591 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:06,592 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1520447003] [2020-12-23 09:20:06,592 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:06,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:06,670 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 09:20:06,670 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1520447003] [2020-12-23 09:20:06,671 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:06,671 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:06,671 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118715543] [2020-12-23 09:20:06,672 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:06,672 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:06,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:06,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:06,673 INFO L87 Difference]: Start difference. First operand 66 states and 93 transitions. Second operand 5 states. [2020-12-23 09:20:06,785 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:06,785 INFO L93 Difference]: Finished difference Result 175 states and 245 transitions. [2020-12-23 09:20:06,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:06,786 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-23 09:20:06,786 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:06,788 INFO L225 Difference]: With dead ends: 175 [2020-12-23 09:20:06,788 INFO L226 Difference]: Without dead ends: 115 [2020-12-23 09:20:06,789 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 09:20:06,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-12-23 09:20:06,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 72. [2020-12-23 09:20:06,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-12-23 09:20:06,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 99 transitions. [2020-12-23 09:20:06,801 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 99 transitions. Word has length 30 [2020-12-23 09:20:06,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:06,801 INFO L481 AbstractCegarLoop]: Abstraction has 72 states and 99 transitions. [2020-12-23 09:20:06,801 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:06,802 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 99 transitions. [2020-12-23 09:20:06,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-12-23 09:20:06,803 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:06,803 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] [2020-12-23 09:20:06,803 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:20:06,804 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:06,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:06,805 INFO L82 PathProgramCache]: Analyzing trace with hash 1043324577, now seen corresponding path program 1 times [2020-12-23 09:20:06,805 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:06,805 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [495253830] [2020-12-23 09:20:06,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:06,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:06,916 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 09:20:06,917 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [495253830] [2020-12-23 09:20:06,917 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:06,917 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:06,917 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1378793020] [2020-12-23 09:20:06,918 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:06,918 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:06,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:06,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:06,919 INFO L87 Difference]: Start difference. First operand 72 states and 99 transitions. Second operand 5 states. [2020-12-23 09:20:07,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,058 INFO L93 Difference]: Finished difference Result 253 states and 355 transitions. [2020-12-23 09:20:07,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:07,059 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-12-23 09:20:07,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,061 INFO L225 Difference]: With dead ends: 253 [2020-12-23 09:20:07,061 INFO L226 Difference]: Without dead ends: 187 [2020-12-23 09:20:07,062 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 09:20:07,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-12-23 09:20:07,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2020-12-23 09:20:07,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-12-23 09:20:07,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 155 transitions. [2020-12-23 09:20:07,080 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 155 transitions. Word has length 30 [2020-12-23 09:20:07,080 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,080 INFO L481 AbstractCegarLoop]: Abstraction has 115 states and 155 transitions. [2020-12-23 09:20:07,080 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:07,081 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 155 transitions. [2020-12-23 09:20:07,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 09:20:07,082 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,082 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] [2020-12-23 09:20:07,082 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:20:07,083 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,083 INFO L82 PathProgramCache]: Analyzing trace with hash -964491617, now seen corresponding path program 1 times [2020-12-23 09:20:07,084 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,084 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548663840] [2020-12-23 09:20:07,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,150 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 09:20:07,150 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548663840] [2020-12-23 09:20:07,151 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,151 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:20:07,151 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [159478429] [2020-12-23 09:20:07,151 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:07,152 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,152 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:07,152 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:07,153 INFO L87 Difference]: Start difference. First operand 115 states and 155 transitions. Second operand 4 states. [2020-12-23 09:20:07,293 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,293 INFO L93 Difference]: Finished difference Result 238 states and 327 transitions. [2020-12-23 09:20:07,294 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:20:07,294 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-23 09:20:07,295 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,296 INFO L225 Difference]: With dead ends: 238 [2020-12-23 09:20:07,296 INFO L226 Difference]: Without dead ends: 172 [2020-12-23 09:20:07,297 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 09:20:07,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-12-23 09:20:07,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2020-12-23 09:20:07,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 169 states. [2020-12-23 09:20:07,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 228 transitions. [2020-12-23 09:20:07,315 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 228 transitions. Word has length 31 [2020-12-23 09:20:07,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,316 INFO L481 AbstractCegarLoop]: Abstraction has 169 states and 228 transitions. [2020-12-23 09:20:07,316 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:07,316 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 228 transitions. [2020-12-23 09:20:07,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 09:20:07,317 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,318 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] [2020-12-23 09:20:07,318 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:20:07,318 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,319 INFO L82 PathProgramCache]: Analyzing trace with hash -706326179, now seen corresponding path program 1 times [2020-12-23 09:20:07,319 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,319 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [458658074] [2020-12-23 09:20:07,319 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,371 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 09:20:07,371 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [458658074] [2020-12-23 09:20:07,372 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,372 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:07,372 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1123904125] [2020-12-23 09:20:07,372 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:07,373 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:07,373 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:07,374 INFO L87 Difference]: Start difference. First operand 169 states and 228 transitions. Second operand 4 states. [2020-12-23 09:20:07,454 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,454 INFO L93 Difference]: Finished difference Result 400 states and 551 transitions. [2020-12-23 09:20:07,455 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:07,455 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2020-12-23 09:20:07,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,457 INFO L225 Difference]: With dead ends: 400 [2020-12-23 09:20:07,457 INFO L226 Difference]: Without dead ends: 279 [2020-12-23 09:20:07,458 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 09:20:07,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2020-12-23 09:20:07,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 163. [2020-12-23 09:20:07,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2020-12-23 09:20:07,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 220 transitions. [2020-12-23 09:20:07,476 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 220 transitions. Word has length 31 [2020-12-23 09:20:07,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,476 INFO L481 AbstractCegarLoop]: Abstraction has 163 states and 220 transitions. [2020-12-23 09:20:07,476 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:07,476 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 220 transitions. [2020-12-23 09:20:07,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 09:20:07,478 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,478 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] [2020-12-23 09:20:07,478 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:20:07,478 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,479 INFO L82 PathProgramCache]: Analyzing trace with hash 533103064, now seen corresponding path program 1 times [2020-12-23 09:20:07,479 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,480 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963676395] [2020-12-23 09:20:07,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,561 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 09:20:07,561 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963676395] [2020-12-23 09:20:07,562 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,562 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:07,562 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [278622250] [2020-12-23 09:20:07,563 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:07,563 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:07,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:07,564 INFO L87 Difference]: Start difference. First operand 163 states and 220 transitions. Second operand 5 states. [2020-12-23 09:20:07,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:07,819 INFO L93 Difference]: Finished difference Result 353 states and 482 transitions. [2020-12-23 09:20:07,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:07,820 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-23 09:20:07,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:07,822 INFO L225 Difference]: With dead ends: 353 [2020-12-23 09:20:07,822 INFO L226 Difference]: Without dead ends: 238 [2020-12-23 09:20:07,823 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 09:20:07,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2020-12-23 09:20:07,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 159. [2020-12-23 09:20:07,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-12-23 09:20:07,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 212 transitions. [2020-12-23 09:20:07,840 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 212 transitions. Word has length 31 [2020-12-23 09:20:07,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:07,841 INFO L481 AbstractCegarLoop]: Abstraction has 159 states and 212 transitions. [2020-12-23 09:20:07,841 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:07,841 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 212 transitions. [2020-12-23 09:20:07,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2020-12-23 09:20:07,850 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:07,851 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] [2020-12-23 09:20:07,851 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:20:07,851 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:07,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:07,852 INFO L82 PathProgramCache]: Analyzing trace with hash -1625643979, now seen corresponding path program 1 times [2020-12-23 09:20:07,852 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:07,853 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212304672] [2020-12-23 09:20:07,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:07,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:07,959 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 09:20:07,959 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212304672] [2020-12-23 09:20:07,960 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:07,960 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:20:07,960 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931299750] [2020-12-23 09:20:07,962 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:20:07,962 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:07,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:20:07,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:20:07,963 INFO L87 Difference]: Start difference. First operand 159 states and 212 transitions. Second operand 4 states. [2020-12-23 09:20:08,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:08,045 INFO L93 Difference]: Finished difference Result 335 states and 448 transitions. [2020-12-23 09:20:08,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:20:08,047 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 50 [2020-12-23 09:20:08,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:08,057 INFO L225 Difference]: With dead ends: 335 [2020-12-23 09:20:08,058 INFO L226 Difference]: Without dead ends: 182 [2020-12-23 09:20:08,059 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 09:20:08,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-12-23 09:20:08,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 135. [2020-12-23 09:20:08,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2020-12-23 09:20:08,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 176 transitions. [2020-12-23 09:20:08,077 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 176 transitions. Word has length 50 [2020-12-23 09:20:08,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:08,078 INFO L481 AbstractCegarLoop]: Abstraction has 135 states and 176 transitions. [2020-12-23 09:20:08,078 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:20:08,078 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 176 transitions. [2020-12-23 09:20:08,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:20:08,080 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:08,080 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] [2020-12-23 09:20:08,081 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:20:08,081 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:08,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:08,082 INFO L82 PathProgramCache]: Analyzing trace with hash -1653055247, now seen corresponding path program 1 times [2020-12-23 09:20:08,082 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:08,082 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [31904008] [2020-12-23 09:20:08,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:08,183 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 09:20:08,183 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [31904008] [2020-12-23 09:20:08,183 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:08,184 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:08,184 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683442895] [2020-12-23 09:20:08,185 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:08,185 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:08,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:08,188 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:08,188 INFO L87 Difference]: Start difference. First operand 135 states and 176 transitions. Second operand 5 states. [2020-12-23 09:20:08,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:08,303 INFO L93 Difference]: Finished difference Result 449 states and 597 transitions. [2020-12-23 09:20:08,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:20:08,304 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 09:20:08,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:08,307 INFO L225 Difference]: With dead ends: 449 [2020-12-23 09:20:08,307 INFO L226 Difference]: Without dead ends: 344 [2020-12-23 09:20:08,308 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 09:20:08,309 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 344 states. [2020-12-23 09:20:08,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 344 to 138. [2020-12-23 09:20:08,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-12-23 09:20:08,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 179 transitions. [2020-12-23 09:20:08,326 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 179 transitions. Word has length 51 [2020-12-23 09:20:08,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:08,327 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 179 transitions. [2020-12-23 09:20:08,327 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:08,327 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 179 transitions. [2020-12-23 09:20:08,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-12-23 09:20:08,328 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:08,329 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] [2020-12-23 09:20:08,329 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-23 09:20:08,329 INFO L429 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:08,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:08,330 INFO L82 PathProgramCache]: Analyzing trace with hash -2046082257, now seen corresponding path program 1 times [2020-12-23 09:20:08,330 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:08,331 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506745007] [2020-12-23 09:20:08,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:08,432 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-12-23 09:20:08,432 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506745007] [2020-12-23 09:20:08,433 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:08,433 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:08,433 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [104402987] [2020-12-23 09:20:08,434 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:08,434 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:08,435 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:08,435 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:08,435 INFO L87 Difference]: Start difference. First operand 138 states and 179 transitions. Second operand 5 states. [2020-12-23 09:20:08,669 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:08,670 INFO L93 Difference]: Finished difference Result 347 states and 455 transitions. [2020-12-23 09:20:08,670 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:20:08,670 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 51 [2020-12-23 09:20:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:08,673 INFO L225 Difference]: With dead ends: 347 [2020-12-23 09:20:08,673 INFO L226 Difference]: Without dead ends: 345 [2020-12-23 09:20:08,674 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 09:20:08,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 345 states. [2020-12-23 09:20:08,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 345 to 138. [2020-12-23 09:20:08,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 138 states. [2020-12-23 09:20:08,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 178 transitions. [2020-12-23 09:20:08,692 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 178 transitions. Word has length 51 [2020-12-23 09:20:08,693 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:08,693 INFO L481 AbstractCegarLoop]: Abstraction has 138 states and 178 transitions. [2020-12-23 09:20:08,693 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:08,693 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 178 transitions. [2020-12-23 09:20:08,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-23 09:20:08,694 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:08,694 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] [2020-12-23 09:20:08,694 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-12-23 09:20:08,695 INFO L429 AbstractCegarLoop]: === Iteration 13 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:08,695 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:08,695 INFO L82 PathProgramCache]: Analyzing trace with hash 772811102, now seen corresponding path program 1 times [2020-12-23 09:20:08,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:08,696 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1493570670] [2020-12-23 09:20:08,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:08,788 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 09:20:08,788 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1493570670] [2020-12-23 09:20:08,789 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [876788487] [2020-12-23 09:20:08,789 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 09:20:09,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:09,056 INFO L263 TraceCheckSpWp]: Trace formula consists of 425 conjuncts, 6 conjunts are in the unsatisfiable core [2020-12-23 09:20:09,064 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-23 09:20:09,236 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 09:20:09,236 INFO L219 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-12-23 09:20:09,237 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2020-12-23 09:20:09,237 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [518422389] [2020-12-23 09:20:09,238 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:20:09,238 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:09,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:20:09,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:20:09,239 INFO L87 Difference]: Start difference. First operand 138 states and 178 transitions. Second operand 6 states. [2020-12-23 09:20:09,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:09,512 INFO L93 Difference]: Finished difference Result 427 states and 563 transitions. [2020-12-23 09:20:09,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:20:09,512 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-12-23 09:20:09,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:09,515 INFO L225 Difference]: With dead ends: 427 [2020-12-23 09:20:09,515 INFO L226 Difference]: Without dead ends: 319 [2020-12-23 09:20:09,516 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 56 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 09:20:09,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 319 states. [2020-12-23 09:20:09,541 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 319 to 195. [2020-12-23 09:20:09,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 195 states. [2020-12-23 09:20:09,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 195 states to 195 states and 254 transitions. [2020-12-23 09:20:09,542 INFO L78 Accepts]: Start accepts. Automaton has 195 states and 254 transitions. Word has length 52 [2020-12-23 09:20:09,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:09,542 INFO L481 AbstractCegarLoop]: Abstraction has 195 states and 254 transitions. [2020-12-23 09:20:09,543 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:20:09,543 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 254 transitions. [2020-12-23 09:20:09,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 09:20:09,544 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:09,544 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] [2020-12-23 09:20:09,759 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-12-23 09:20:09,760 INFO L429 AbstractCegarLoop]: === Iteration 14 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:09,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:09,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1104899688, now seen corresponding path program 2 times [2020-12-23 09:20:09,762 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:09,762 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872337975] [2020-12-23 09:20:09,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:09,897 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 09:20:09,897 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872337975] [2020-12-23 09:20:09,897 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:09,897 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:20:09,898 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133365290] [2020-12-23 09:20:09,899 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:20:09,899 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:09,899 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:20:09,900 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:20:09,900 INFO L87 Difference]: Start difference. First operand 195 states and 254 transitions. Second operand 5 states. [2020-12-23 09:20:10,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:10,205 INFO L93 Difference]: Finished difference Result 569 states and 755 transitions. [2020-12-23 09:20:10,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:20:10,206 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 73 [2020-12-23 09:20:10,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:10,209 INFO L225 Difference]: With dead ends: 569 [2020-12-23 09:20:10,209 INFO L226 Difference]: Without dead ends: 403 [2020-12-23 09:20:10,209 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 09:20:10,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2020-12-23 09:20:10,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 268. [2020-12-23 09:20:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-12-23 09:20:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 347 transitions. [2020-12-23 09:20:10,250 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 347 transitions. Word has length 73 [2020-12-23 09:20:10,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:10,251 INFO L481 AbstractCegarLoop]: Abstraction has 268 states and 347 transitions. [2020-12-23 09:20:10,251 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:20:10,251 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 347 transitions. [2020-12-23 09:20:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-12-23 09:20:10,252 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:20:10,252 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] [2020-12-23 09:20:10,253 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-12-23 09:20:10,253 INFO L429 AbstractCegarLoop]: === Iteration 15 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:20:10,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:20:10,255 INFO L82 PathProgramCache]: Analyzing trace with hash -830140074, now seen corresponding path program 1 times [2020-12-23 09:20:10,256 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:20:10,256 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080195268] [2020-12-23 09:20:10,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:20:10,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:20:10,385 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 09:20:10,386 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080195268] [2020-12-23 09:20:10,386 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:20:10,387 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-12-23 09:20:10,389 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930494412] [2020-12-23 09:20:10,389 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-12-23 09:20:10,390 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:20:10,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-12-23 09:20:10,392 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-12-23 09:20:10,392 INFO L87 Difference]: Start difference. First operand 268 states and 347 transitions. Second operand 7 states. [2020-12-23 09:20:10,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:20:10,503 INFO L93 Difference]: Finished difference Result 471 states and 609 transitions. [2020-12-23 09:20:10,503 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-12-23 09:20:10,503 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-12-23 09:20:10,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:20:10,504 INFO L225 Difference]: With dead ends: 471 [2020-12-23 09:20:10,504 INFO L226 Difference]: Without dead ends: 0 [2020-12-23 09:20:10,507 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2020-12-23 09:20:10,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-12-23 09:20:10,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-12-23 09:20:10,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-12-23 09:20:10,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-12-23 09:20:10,509 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 73 [2020-12-23 09:20:10,509 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:20:10,509 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-12-23 09:20:10,509 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-12-23 09:20:10,509 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-12-23 09:20:10,509 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-12-23 09:20:10,509 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-23 09:20:10,512 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-12-23 09:20:10,675 WARN L197 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 66 [2020-12-23 09:20:10,991 WARN L197 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2020-12-23 09:20:11,324 WARN L197 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 122 [2020-12-23 09:20:11,729 WARN L197 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2020-12-23 09:20:11,945 WARN L197 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 67 [2020-12-23 09:20:12,153 WARN L197 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 89 [2020-12-23 09:20:12,387 WARN L197 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 129 [2020-12-23 09:20:12,547 WARN L197 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 123 [2020-12-23 09:20:12,711 WARN L197 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 29 [2020-12-23 09:20:13,233 WARN L197 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2020-12-23 09:20:13,833 WARN L197 SmtUtils]: Spent 529.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 31 [2020-12-23 09:20:14,396 WARN L197 SmtUtils]: Spent 559.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2020-12-23 09:20:14,726 WARN L197 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-12-23 09:20:14,922 WARN L197 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-12-23 09:20:15,185 WARN L197 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 35 [2020-12-23 09:20:15,691 WARN L197 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 26 [2020-12-23 09:20:16,135 WARN L197 SmtUtils]: Spent 409.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 29 [2020-12-23 09:20:16,180 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2020-12-23 09:20:16,180 INFO L189 CegarLoopUtils]: For program point L863(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,180 INFO L189 CegarLoopUtils]: For program point L863-2(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,180 INFO L189 CegarLoopUtils]: For program point L863-3(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,181 INFO L189 CegarLoopUtils]: For program point L863-5(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,181 INFO L185 CegarLoopUtils]: At program point L665(lines 660 668) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse2 .cse3))) [2020-12-23 09:20:16,181 INFO L189 CegarLoopUtils]: For program point L863-6(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,181 INFO L185 CegarLoopUtils]: At program point L665-1(lines 660 668) the Hoare annotation is: false [2020-12-23 09:20:16,182 INFO L189 CegarLoopUtils]: For program point L863-8(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,182 INFO L185 CegarLoopUtils]: At program point L665-2(lines 660 668) the Hoare annotation is: false [2020-12-23 09:20:16,182 INFO L189 CegarLoopUtils]: For program point L863-9(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,182 INFO L185 CegarLoopUtils]: At program point L500(lines 496 502) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-12-23 09:20:16,183 INFO L189 CegarLoopUtils]: For program point L863-11(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,183 INFO L189 CegarLoopUtils]: For program point L863-12(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,183 INFO L189 CegarLoopUtils]: For program point L863-14(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,183 INFO L189 CegarLoopUtils]: For program point L863-15(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,184 INFO L189 CegarLoopUtils]: For program point L863-17(lines 863 867) no Hoare annotation was computed. [2020-12-23 09:20:16,184 INFO L189 CegarLoopUtils]: For program point L765(lines 765 773) no Hoare annotation was computed. [2020-12-23 09:20:16,184 INFO L189 CegarLoopUtils]: For program point L765-1(lines 765 773) no Hoare annotation was computed. [2020-12-23 09:20:16,184 INFO L189 CegarLoopUtils]: For program point L765-2(lines 765 773) no Hoare annotation was computed. [2020-12-23 09:20:16,184 INFO L189 CegarLoopUtils]: For program point L931(lines 931 937) no Hoare annotation was computed. [2020-12-23 09:20:16,184 INFO L185 CegarLoopUtils]: At program point L931-1(lines 931 937) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:20:16,184 INFO L192 CegarLoopUtils]: At program point L536(lines 517 539) the Hoare annotation is: true [2020-12-23 09:20:16,184 INFO L189 CegarLoopUtils]: For program point L735(lines 735 752) no Hoare annotation was computed. [2020-12-23 09:20:16,185 INFO L189 CegarLoopUtils]: For program point L735-1(lines 735 752) no Hoare annotation was computed. [2020-12-23 09:20:16,185 INFO L189 CegarLoopUtils]: For program point L735-2(lines 735 752) no Hoare annotation was computed. [2020-12-23 09:20:16,185 INFO L189 CegarLoopUtils]: For program point L735-3(lines 735 752) no Hoare annotation was computed. [2020-12-23 09:20:16,185 INFO L189 CegarLoopUtils]: For program point L735-4(lines 735 752) no Hoare annotation was computed. [2020-12-23 09:20:16,185 INFO L189 CegarLoopUtils]: For program point L735-5(lines 735 752) no Hoare annotation was computed. [2020-12-23 09:20:16,185 INFO L185 CegarLoopUtils]: At program point L703(lines 702 721) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 (<= 1 ~waterLevel~0) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:20:16,185 INFO L189 CegarLoopUtils]: For program point L703-1(lines 703 709) no Hoare annotation was computed. [2020-12-23 09:20:16,185 INFO L185 CegarLoopUtils]: At program point L703-2(lines 702 721) the Hoare annotation is: false [2020-12-23 09:20:16,186 INFO L185 CegarLoopUtils]: At program point L703-3(lines 702 721) the Hoare annotation is: false [2020-12-23 09:20:16,186 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2020-12-23 09:20:16,186 INFO L185 CegarLoopUtils]: At program point L869(lines 854 872) the Hoare annotation is: false [2020-12-23 09:20:16,186 INFO L185 CegarLoopUtils]: At program point L869-1(lines 854 872) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 1) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:20:16,186 INFO L185 CegarLoopUtils]: At program point L869-2(lines 854 872) the Hoare annotation is: false [2020-12-23 09:20:16,186 INFO L185 CegarLoopUtils]: At program point L869-3(lines 854 872) the Hoare annotation is: false [2020-12-23 09:20:16,186 INFO L185 CegarLoopUtils]: At program point L869-4(lines 854 872) the Hoare annotation is: false [2020-12-23 09:20:16,187 INFO L185 CegarLoopUtils]: At program point L869-5(lines 854 872) the Hoare annotation is: false [2020-12-23 09:20:16,187 INFO L185 CegarLoopUtils]: At program point L572(lines 1 966) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0)) [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L739(lines 739 747) no Hoare annotation was computed. [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L739-1(lines 739 747) no Hoare annotation was computed. [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L673(lines 673 679) no Hoare annotation was computed. [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L739-2(lines 739 747) no Hoare annotation was computed. [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L673-1(lines 673 679) no Hoare annotation was computed. [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L739-3(lines 739 747) no Hoare annotation was computed. [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L673-2(lines 673 679) no Hoare annotation was computed. [2020-12-23 09:20:16,187 INFO L189 CegarLoopUtils]: For program point L739-4(lines 739 747) no Hoare annotation was computed. [2020-12-23 09:20:16,188 INFO L189 CegarLoopUtils]: For program point L673-3(lines 673 679) no Hoare annotation was computed. [2020-12-23 09:20:16,188 INFO L189 CegarLoopUtils]: For program point L739-5(lines 739 747) no Hoare annotation was computed. [2020-12-23 09:20:16,188 INFO L189 CegarLoopUtils]: For program point L673-4(lines 673 679) no Hoare annotation was computed. [2020-12-23 09:20:16,188 INFO L189 CegarLoopUtils]: For program point L673-5(lines 673 679) no Hoare annotation was computed. [2020-12-23 09:20:16,188 INFO L189 CegarLoopUtils]: For program point L608(lines 608 612) no Hoare annotation was computed. [2020-12-23 09:20:16,188 INFO L189 CegarLoopUtils]: For program point L941(lines 941 954) no Hoare annotation was computed. [2020-12-23 09:20:16,188 INFO L185 CegarLoopUtils]: At program point L710(lines 710 716) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:20:16,188 INFO L185 CegarLoopUtils]: At program point L710-1(lines 710 716) the Hoare annotation is: false [2020-12-23 09:20:16,189 INFO L185 CegarLoopUtils]: At program point L710-2(lines 710 716) the Hoare annotation is: false [2020-12-23 09:20:16,189 INFO L189 CegarLoopUtils]: For program point L545(line 545) no Hoare annotation was computed. [2020-12-23 09:20:16,189 INFO L189 CegarLoopUtils]: For program point L545-1(line 545) no Hoare annotation was computed. [2020-12-23 09:20:16,189 INFO L189 CegarLoopUtils]: For program point L545-2(line 545) no Hoare annotation was computed. [2020-12-23 09:20:16,189 INFO L185 CegarLoopUtils]: At program point L678(lines 669 682) the Hoare annotation is: false [2020-12-23 09:20:16,189 INFO L185 CegarLoopUtils]: At program point L678-1(lines 669 682) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 1) .cse3 .cse4))) [2020-12-23 09:20:16,189 INFO L185 CegarLoopUtils]: At program point L678-2(lines 669 682) the Hoare annotation is: false [2020-12-23 09:20:16,189 INFO L185 CegarLoopUtils]: At program point L678-3(lines 669 682) the Hoare annotation is: false [2020-12-23 09:20:16,190 INFO L185 CegarLoopUtils]: At program point L678-4(lines 669 682) the Hoare annotation is: false [2020-12-23 09:20:16,190 INFO L185 CegarLoopUtils]: At program point L678-5(lines 669 682) the Hoare annotation is: false [2020-12-23 09:20:16,190 INFO L185 CegarLoopUtils]: At program point L580(lines 575 583) the Hoare annotation is: (and (= ~waterLevel~0 1) (not (= 0 ~systemActive~0)) (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| 1)) [2020-12-23 09:20:16,190 INFO L185 CegarLoopUtils]: At program point L449-2(lines 449 463) the Hoare annotation is: false [2020-12-23 09:20:16,191 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-12-23 09:20:16,191 INFO L189 CegarLoopUtils]: For program point L912(lines 911 958) no Hoare annotation was computed. [2020-12-23 09:20:16,191 INFO L189 CegarLoopUtils]: For program point L450(line 450) no Hoare annotation was computed. [2020-12-23 09:20:16,191 INFO L189 CegarLoopUtils]: For program point L913(lines 913 917) no Hoare annotation was computed. [2020-12-23 09:20:16,191 INFO L185 CegarLoopUtils]: At program point L814(lines 809 817) the Hoare annotation is: false [2020-12-23 09:20:16,191 INFO L185 CegarLoopUtils]: At program point L814-1(lines 809 817) the Hoare annotation is: false [2020-12-23 09:20:16,191 INFO L185 CegarLoopUtils]: At program point L814-2(lines 809 817) the Hoare annotation is: false [2020-12-23 09:20:16,191 INFO L189 CegarLoopUtils]: For program point L419(lines 419 432) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L185 CegarLoopUtils]: At program point L419-1(lines 1 966) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse4 (= ULTIMATE.start_main_~tmp~4 1))) (or (and (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) (<= 1 |ULTIMATE.start_getWaterLevel_#res|) .cse3 .cse4) (and (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) .cse0 (<= 2 ~waterLevel~0) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse2 (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~3) .cse3 .cse4) (and (= ~waterLevel~0 1) .cse0 .cse1 .cse2 .cse3 .cse4))) [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L419-2(lines 419 432) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L185 CegarLoopUtils]: At program point L419-3(lines 1 966) the Hoare annotation is: false [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L419-4(lines 419 432) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L185 CegarLoopUtils]: At program point L419-5(lines 1 966) the Hoare annotation is: false [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L882(lines 882 886) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L882-2(lines 882 886) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L882-3(lines 882 886) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L882-5(lines 882 886) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L882-6(lines 882 886) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L882-8(lines 882 886) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L453(lines 453 457) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L453-1(lines 703 709) no Hoare annotation was computed. [2020-12-23 09:20:16,192 INFO L189 CegarLoopUtils]: For program point L949(lines 949 953) no Hoare annotation was computed. [2020-12-23 09:20:16,193 INFO L185 CegarLoopUtils]: At program point L949-2(lines 703 709) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:20:16,193 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-12-23 09:20:16,193 INFO L189 CegarLoopUtils]: For program point L620(lines 620 624) no Hoare annotation was computed. [2020-12-23 09:20:16,193 INFO L189 CegarLoopUtils]: For program point L423(lines 423 429) no Hoare annotation was computed. [2020-12-23 09:20:16,193 INFO L189 CegarLoopUtils]: For program point L423-2(lines 423 429) no Hoare annotation was computed. [2020-12-23 09:20:16,193 INFO L189 CegarLoopUtils]: For program point L423-4(lines 423 429) no Hoare annotation was computed. [2020-12-23 09:20:16,193 INFO L185 CegarLoopUtils]: At program point L688(lines 683 691) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-12-23 09:20:16,193 INFO L185 CegarLoopUtils]: At program point L688-1(lines 683 691) the Hoare annotation is: false [2020-12-23 09:20:16,193 INFO L185 CegarLoopUtils]: At program point L688-2(lines 683 691) the Hoare annotation is: false [2020-12-23 09:20:16,193 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-12-23 09:20:16,193 INFO L189 CegarLoopUtils]: For program point L921(lines 921 927) no Hoare annotation was computed. [2020-12-23 09:20:16,194 INFO L185 CegarLoopUtils]: At program point L921-1(lines 921 927) the Hoare annotation is: (let ((.cse0 (not (= 0 ~systemActive~0))) (.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res| 1)) (.cse3 (= ULTIMATE.start_main_~tmp~4 1))) (or (and .cse0 (<= 2 ~waterLevel~0) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) .cse1 .cse2 .cse3) (and .cse0 (= ~pumpRunning~0 0) .cse1 (<= 1 ~waterLevel~0) .cse2 .cse3))) [2020-12-23 09:20:16,194 INFO L185 CegarLoopUtils]: At program point L888(lines 873 891) the Hoare annotation is: (and (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (not (= 0 ~systemActive~0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~7 0) (= ULTIMATE.start_test_~splverifierCounter~0 0) (<= 1 ~waterLevel~0) (= ULTIMATE.start_isLowWaterLevel_~tmp~8 0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_main_~tmp~4 1)) [2020-12-23 09:20:16,194 INFO L185 CegarLoopUtils]: At program point L888-1(lines 873 891) the Hoare annotation is: false [2020-12-23 09:20:16,194 INFO L185 CegarLoopUtils]: At program point L888-2(lines 873 891) the Hoare annotation is: false [2020-12-23 09:20:16,194 INFO L189 CegarLoopUtils]: For program point L527(lines 527 534) no Hoare annotation was computed. [2020-12-23 09:20:16,194 INFO L192 CegarLoopUtils]: At program point L527-1(lines 527 534) the Hoare annotation is: true [2020-12-23 09:20:16,194 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2020-12-23 09:20:16,195 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2020-12-23 09:20:16,195 INFO L185 CegarLoopUtils]: At program point L959(lines 910 960) the Hoare annotation is: false [2020-12-23 09:20:16,195 INFO L189 CegarLoopUtils]: For program point L761(lines 761 778) no Hoare annotation was computed. [2020-12-23 09:20:16,195 INFO L189 CegarLoopUtils]: For program point L761-1(lines 761 778) no Hoare annotation was computed. [2020-12-23 09:20:16,195 INFO L189 CegarLoopUtils]: For program point L761-2(lines 761 778) no Hoare annotation was computed. [2020-12-23 09:20:16,195 INFO L189 CegarLoopUtils]: For program point L596(lines 596 600) no Hoare annotation was computed. [2020-12-23 09:20:16,195 INFO L189 CegarLoopUtils]: For program point L596-3(lines 596 600) no Hoare annotation was computed. [2020-12-23 09:20:16,195 INFO L189 CegarLoopUtils]: For program point L596-6(lines 596 600) no Hoare annotation was computed. [2020-12-23 09:20:16,230 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:20:16 BoogieIcfgContainer [2020-12-23 09:20:16,231 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:20:16,231 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:20:16,231 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:20:16,232 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:20:16,233 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:20:05" (3/4) ... [2020-12-23 09:20:16,237 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-12-23 09:20:16,274 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2020-12-23 09:20:16,278 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2020-12-23 09:20:16,279 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2020-12-23 09:20:16,280 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-12-23 09:20:16,281 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-12-23 09:20:16,282 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:20:16,283 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-12-23 09:20:16,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 [2020-12-23 09:20:16,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 [2020-12-23 09:20:16,324 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,326 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,327 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,329 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,332 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,333 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 [2020-12-23 09:20:16,338 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 [2020-12-23 09:20:16,343 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) [2020-12-23 09:20:16,456 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec4_product50.cil.c-witness.graphml [2020-12-23 09:20:16,456 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:20:16,458 INFO L168 Benchmark]: Toolchain (without parser) took 13483.40 ms. Allocated memory was 179.3 MB in the beginning and 235.9 MB in the end (delta: 56.6 MB). Free memory was 152.9 MB in the beginning and 157.4 MB in the end (delta: -4.4 MB). Peak memory consumption was 53.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:16,459 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 179.3 MB. Free memory is still 153.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:20:16,459 INFO L168 Benchmark]: CACSL2BoogieTranslator took 929.81 ms. Allocated memory is still 179.3 MB. Free memory was 152.9 MB in the beginning and 130.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:16,460 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.29 ms. Allocated memory is still 179.3 MB. Free memory was 130.9 MB in the beginning and 127.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:16,460 INFO L168 Benchmark]: Boogie Preprocessor took 116.46 ms. Allocated memory is still 179.3 MB. Free memory was 127.2 MB in the beginning and 124.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:16,460 INFO L168 Benchmark]: RCFGBuilder took 1300.35 ms. Allocated memory is still 179.3 MB. Free memory was 124.6 MB in the beginning and 156.1 MB in the end (delta: -31.5 MB). Peak memory consumption was 68.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:16,461 INFO L168 Benchmark]: TraceAbstraction took 10807.32 ms. Allocated memory was 179.3 MB in the beginning and 235.9 MB in the end (delta: 56.6 MB). Free memory was 155.6 MB in the beginning and 167.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 137.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:16,461 INFO L168 Benchmark]: Witness Printer took 225.38 ms. Allocated memory is still 235.9 MB. Free memory was 167.3 MB in the beginning and 157.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. [2020-12-23 09:20:16,463 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 179.3 MB. Free memory is still 153.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 929.81 ms. Allocated memory is still 179.3 MB. Free memory was 152.9 MB in the beginning and 130.9 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 93.29 ms. Allocated memory is still 179.3 MB. Free memory was 130.9 MB in the beginning and 127.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 116.46 ms. Allocated memory is still 179.3 MB. Free memory was 127.2 MB in the beginning and 124.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1300.35 ms. Allocated memory is still 179.3 MB. Free memory was 124.6 MB in the beginning and 156.1 MB in the end (delta: -31.5 MB). Peak memory consumption was 68.1 MB. Max. memory is 8.0 GB. * TraceAbstraction took 10807.32 ms. Allocated memory was 179.3 MB in the beginning and 235.9 MB in the end (delta: 56.6 MB). Free memory was 155.6 MB in the beginning and 167.3 MB in the end (delta: -11.7 MB). Peak memory consumption was 137.7 MB. Max. memory is 8.0 GB. * Witness Printer took 225.38 ms. Allocated memory is still 235.9 MB. Free memory was 167.3 MB in the beginning and 157.4 MB in the end (delta: 10.0 MB). Peak memory consumption was 9.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 545]: 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: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: (((((((\result == 0 && !(0 == systemActive)) && 2 <= \result) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 921]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: ((((((((!(tmp___0 == 0) && !(\result == 0)) && \result == 0) && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && tmp == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 660]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 873]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 910]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: ((((((!(0 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 449]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 703]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 669]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || ((((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) - InvariantResult [Line: 575]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: (((((((((tmp___0 == 0 && tmp == 1) && \result == 0) && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && \result == 1) && tmp == 1) || (((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 527]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 517]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 931]: Loop Invariant Derived loop invariant: (((((!(0 == systemActive) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((1 <= tmp && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && 1 <= \result) && \result == 1) && tmp == 1) || ((((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && 2 <= \result) && tmp == 0) && splverifierCounter == 0) && 2 <= tmp) && \result == 1) && tmp == 1)) || (((((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) - InvariantResult [Line: 809]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 496]: Loop Invariant Derived loop invariant: (((waterLevel == 1 && !(0 == systemActive)) && pumpRunning == 0) && \result == 1) && tmp == 1 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 702]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: ((((((\result == 0 && !(0 == systemActive)) && 2 <= waterLevel) && tmp == 0) && splverifierCounter == 0) && \result == 1) && tmp == 1) || (((((!(0 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1) - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: (((((\result == 0 && !(0 == systemActive)) && tmp == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && tmp == 1 - InvariantResult [Line: 710]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 854]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 683]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 117 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 5.0s, OverallIterations: 15, TraceHistogramMax: 3, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 5.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1545 SDtfs, 2165 SDslu, 2257 SDs, 0 SdLazy, 378 SolverSat, 69 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 165 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=268occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 15 MinimizatonAttempts, 1034 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 43 LocationsWithAnnotation, 43 PreInvPairs, 123 NumberOfFragments, 588 HoareAnnotationTreeSize, 43 FomulaSimplifications, 2569947 FormulaSimplificationTreeSizeReduction, 2.0s HoareSimplificationTime, 43 FomulaSimplificationsInter, 283289 FormulaSimplificationTreeSizeReductionInter, 3.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.1s InterpolantComputationTime, 634 NumberOfCodeBlocks, 634 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 618 ConstructedInterpolants, 0 QuantifiedInterpolants, 44442 SizeOfPredicates, 3 NumberOfNonLiveVariables, 425 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 16 InterpolantComputations, 14 PerfectInterpolantSequences, 162/168 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...