/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_spec1_product53.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-dcfa08f [2020-12-23 09:16:57,476 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-23 09:16:57,480 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-23 09:16:57,537 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-23 09:16:57,538 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-23 09:16:57,540 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-23 09:16:57,542 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-23 09:16:57,544 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-23 09:16:57,547 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-23 09:16:57,548 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-23 09:16:57,550 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-23 09:16:57,552 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-23 09:16:57,552 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-23 09:16:57,554 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-23 09:16:57,555 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-23 09:16:57,557 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-23 09:16:57,558 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-23 09:16:57,577 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-23 09:16:57,580 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-23 09:16:57,582 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-23 09:16:57,585 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-23 09:16:57,586 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-23 09:16:57,588 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-23 09:16:57,589 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-23 09:16:57,592 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-23 09:16:57,593 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-23 09:16:57,593 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-23 09:16:57,595 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-23 09:16:57,595 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-23 09:16:57,597 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-23 09:16:57,597 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-23 09:16:57,598 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-23 09:16:57,600 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-23 09:16:57,601 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-23 09:16:57,602 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-23 09:16:57,603 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-23 09:16:57,604 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-23 09:16:57,604 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-23 09:16:57,605 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-23 09:16:57,606 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-23 09:16:57,607 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-23 09:16:57,609 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 09:16:57,637 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-23 09:16:57,637 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-23 09:16:57,639 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-23 09:16:57,639 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-23 09:16:57,640 INFO L138 SettingsManager]: * Use SBE=true [2020-12-23 09:16:57,640 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-23 09:16:57,640 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-23 09:16:57,641 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-23 09:16:57,641 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-23 09:16:57,641 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-23 09:16:57,641 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-23 09:16:57,642 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-23 09:16:57,642 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-23 09:16:57,642 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-23 09:16:57,643 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-23 09:16:57,643 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-23 09:16:57,643 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-23 09:16:57,643 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-23 09:16:57,644 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-23 09:16:57,644 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-23 09:16:57,644 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-23 09:16:57,645 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-23 09:16:57,645 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-23 09:16:57,645 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-23 09:16:57,645 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-23 09:16:57,646 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-23 09:16:58,040 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-23 09:16:58,082 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-23 09:16:58,086 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-23 09:16:58,088 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-23 09:16:58,088 INFO L275 PluginConnector]: CDTParser initialized [2020-12-23 09:16:58,090 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2020-12-23 09:16:58,187 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8432fcb9b/1c4ef6e083fc442a9d776dc212be19ed/FLAG366c7fb73 [2020-12-23 09:16:58,961 INFO L306 CDTParser]: Found 1 translation units. [2020-12-23 09:16:58,962 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product53.cil.c [2020-12-23 09:16:58,983 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8432fcb9b/1c4ef6e083fc442a9d776dc212be19ed/FLAG366c7fb73 [2020-12-23 09:16:59,179 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/8432fcb9b/1c4ef6e083fc442a9d776dc212be19ed [2020-12-23 09:16:59,183 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-23 09:16:59,186 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-23 09:16:59,190 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-23 09:16:59,190 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-23 09:16:59,194 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-23 09:16:59,195 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:16:59,197 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c77b575 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59, skipping insertion in model container [2020-12-23 09:16:59,198 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:16:59,208 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-23 09:16:59,288 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] [2020-12-23 09:16:59,506 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_spec1_product53.cil.c[1720,1733] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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[~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,] 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[~tmp~7,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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,] 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[~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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:16:59,714 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:16:59,726 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] [2020-12-23 09:16:59,747 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_spec1_product53.cil.c[1720,1733] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] 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~2,] 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~3,] 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[~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,] 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[~tmp~7,] 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~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] 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~6,] left hand side expression in assignment: lhs: VariableLHS[~tmp~9,] 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~7,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~10,] 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,] 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[~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~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~12,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~13,] [2020-12-23 09:16:59,853 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-23 09:16:59,901 INFO L208 MainTranslator]: Completed translation [2020-12-23 09:16:59,902 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59 WrapperNode [2020-12-23 09:16:59,902 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-23 09:16:59,904 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-23 09:16:59,904 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-23 09:16:59,904 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-23 09:16:59,914 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:16:59,933 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,070 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-23 09:17:00,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-23 09:17:00,074 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-23 09:17:00,074 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-23 09:17:00,087 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,088 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,095 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,114 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,127 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,131 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (1/1) ... [2020-12-23 09:17:00,139 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-23 09:17:00,140 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-23 09:17:00,140 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-23 09:17:00,140 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-23 09:17:00,141 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (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 09:17:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-23 09:17:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-23 09:17:00,268 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-23 09:17:00,268 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-23 09:17:01,533 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-23 09:17:01,533 INFO L299 CfgBuilder]: Removed 276 assume(true) statements. [2020-12-23 09:17:01,535 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:17:01 BoogieIcfgContainer [2020-12-23 09:17:01,536 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-23 09:17:01,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-23 09:17:01,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-23 09:17:01,546 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-23 09:17:01,548 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.12 09:16:59" (1/3) ... [2020-12-23 09:17:01,549 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aadf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:17:01, skipping insertion in model container [2020-12-23 09:17:01,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.12 09:16:59" (2/3) ... [2020-12-23 09:17:01,571 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@62aadf3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.12 09:17:01, skipping insertion in model container [2020-12-23 09:17:01,571 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:17:01" (3/3) ... [2020-12-23 09:17:01,573 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product53.cil.c [2020-12-23 09:17:01,580 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-23 09:17:01,586 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2020-12-23 09:17:01,609 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2020-12-23 09:17:01,643 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-23 09:17:01,643 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-23 09:17:01,643 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-23 09:17:01,643 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-23 09:17:01,644 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-23 09:17:01,644 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-23 09:17:01,644 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-23 09:17:01,644 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-23 09:17:01,666 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states. [2020-12-23 09:17:01,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2020-12-23 09:17:01,673 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:01,674 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:01,675 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:01,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:01,681 INFO L82 PathProgramCache]: Analyzing trace with hash 2002794138, now seen corresponding path program 1 times [2020-12-23 09:17:01,691 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:01,692 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [928580021] [2020-12-23 09:17:01,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:01,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:02,017 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 09:17:02,018 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [928580021] [2020-12-23 09:17:02,019 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:02,019 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:17:02,020 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2026832845] [2020-12-23 09:17:02,025 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-12-23 09:17:02,025 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:02,040 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-12-23 09:17:02,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-12-23 09:17:02,043 INFO L87 Difference]: Start difference. First operand 189 states. Second operand 2 states. [2020-12-23 09:17:02,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:02,092 INFO L93 Difference]: Finished difference Result 372 states and 569 transitions. [2020-12-23 09:17:02,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-12-23 09:17:02,093 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2020-12-23 09:17:02,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:02,108 INFO L225 Difference]: With dead ends: 372 [2020-12-23 09:17:02,108 INFO L226 Difference]: Without dead ends: 185 [2020-12-23 09:17:02,113 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 09:17:02,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 185 states. [2020-12-23 09:17:02,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 185 to 185. [2020-12-23 09:17:02,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 185 states. [2020-12-23 09:17:02,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 276 transitions. [2020-12-23 09:17:02,174 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 276 transitions. Word has length 16 [2020-12-23 09:17:02,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:02,174 INFO L481 AbstractCegarLoop]: Abstraction has 185 states and 276 transitions. [2020-12-23 09:17:02,174 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-12-23 09:17:02,174 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 276 transitions. [2020-12-23 09:17:02,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-23 09:17:02,176 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:02,180 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 09:17:02,181 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-23 09:17:02,181 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:02,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:02,182 INFO L82 PathProgramCache]: Analyzing trace with hash 956037241, now seen corresponding path program 1 times [2020-12-23 09:17:02,182 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:02,183 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [205794663] [2020-12-23 09:17:02,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:02,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:02,291 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 09:17:02,292 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [205794663] [2020-12-23 09:17:02,292 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:02,292 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-23 09:17:02,292 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1617873387] [2020-12-23 09:17:02,294 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:02,294 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:02,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:02,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:02,296 INFO L87 Difference]: Start difference. First operand 185 states and 276 transitions. Second operand 3 states. [2020-12-23 09:17:02,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:02,335 INFO L93 Difference]: Finished difference Result 185 states and 276 transitions. [2020-12-23 09:17:02,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:02,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-23 09:17:02,339 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:02,340 INFO L225 Difference]: With dead ends: 185 [2020-12-23 09:17:02,340 INFO L226 Difference]: Without dead ends: 71 [2020-12-23 09:17:02,345 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 09:17:02,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-23 09:17:02,357 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-23 09:17:02,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-23 09:17:02,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 105 transitions. [2020-12-23 09:17:02,362 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 105 transitions. Word has length 17 [2020-12-23 09:17:02,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:02,362 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 105 transitions. [2020-12-23 09:17:02,363 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:02,363 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 105 transitions. [2020-12-23 09:17:02,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-12-23 09:17:02,367 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:02,367 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 09:17:02,368 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-23 09:17:02,368 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:02,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:02,369 INFO L82 PathProgramCache]: Analyzing trace with hash 748559286, now seen corresponding path program 1 times [2020-12-23 09:17:02,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:02,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509207868] [2020-12-23 09:17:02,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:02,549 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 09:17:02,550 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1509207868] [2020-12-23 09:17:02,550 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:02,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:17:02,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [651102188] [2020-12-23 09:17:02,551 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-12-23 09:17:02,551 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:02,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-12-23 09:17:02,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-12-23 09:17:02,552 INFO L87 Difference]: Start difference. First operand 71 states and 105 transitions. Second operand 6 states. [2020-12-23 09:17:02,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:02,812 INFO L93 Difference]: Finished difference Result 136 states and 204 transitions. [2020-12-23 09:17:02,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-23 09:17:02,816 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-12-23 09:17:02,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:02,817 INFO L225 Difference]: With dead ends: 136 [2020-12-23 09:17:02,817 INFO L226 Difference]: Without dead ends: 71 [2020-12-23 09:17:02,821 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-12-23 09:17:02,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-12-23 09:17:02,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2020-12-23 09:17:02,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-12-23 09:17:02,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 104 transitions. [2020-12-23 09:17:02,842 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 104 transitions. Word has length 22 [2020-12-23 09:17:02,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:02,845 INFO L481 AbstractCegarLoop]: Abstraction has 71 states and 104 transitions. [2020-12-23 09:17:02,845 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-12-23 09:17:02,846 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 104 transitions. [2020-12-23 09:17:02,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2020-12-23 09:17:02,847 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:02,849 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:02,849 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-23 09:17:02,849 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:02,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:02,850 INFO L82 PathProgramCache]: Analyzing trace with hash -682519882, now seen corresponding path program 1 times [2020-12-23 09:17:02,850 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:02,851 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420257088] [2020-12-23 09:17:02,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:02,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:02,923 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 09:17:02,924 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420257088] [2020-12-23 09:17:02,924 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:02,924 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:17:02,925 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854221123] [2020-12-23 09:17:02,925 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:02,926 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:02,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:02,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:02,927 INFO L87 Difference]: Start difference. First operand 71 states and 104 transitions. Second operand 3 states. [2020-12-23 09:17:02,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:02,972 INFO L93 Difference]: Finished difference Result 145 states and 214 transitions. [2020-12-23 09:17:02,973 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:02,973 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2020-12-23 09:17:02,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:02,975 INFO L225 Difference]: With dead ends: 145 [2020-12-23 09:17:02,975 INFO L226 Difference]: Without dead ends: 80 [2020-12-23 09:17:02,976 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 09:17:02,976 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2020-12-23 09:17:02,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 78. [2020-12-23 09:17:02,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-12-23 09:17:02,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 110 transitions. [2020-12-23 09:17:02,988 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 110 transitions. Word has length 25 [2020-12-23 09:17:02,988 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:02,989 INFO L481 AbstractCegarLoop]: Abstraction has 78 states and 110 transitions. [2020-12-23 09:17:02,989 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:02,989 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 110 transitions. [2020-12-23 09:17:02,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 09:17:02,990 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:02,990 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 09:17:02,990 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-23 09:17:02,991 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:02,991 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:02,991 INFO L82 PathProgramCache]: Analyzing trace with hash -1459548505, now seen corresponding path program 1 times [2020-12-23 09:17:02,992 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:02,992 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [584969293] [2020-12-23 09:17:02,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:03,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:03,125 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 09:17:03,126 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [584969293] [2020-12-23 09:17:03,126 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:03,126 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-12-23 09:17:03,126 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1322630694] [2020-12-23 09:17:03,128 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:17:03,128 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:03,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:17:03,131 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:03,131 INFO L87 Difference]: Start difference. First operand 78 states and 110 transitions. Second operand 5 states. [2020-12-23 09:17:03,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:03,274 INFO L93 Difference]: Finished difference Result 204 states and 285 transitions. [2020-12-23 09:17:03,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-12-23 09:17:03,275 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-23 09:17:03,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:03,278 INFO L225 Difference]: With dead ends: 204 [2020-12-23 09:17:03,279 INFO L226 Difference]: Without dead ends: 132 [2020-12-23 09:17:03,281 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 09:17:03,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2020-12-23 09:17:03,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 87. [2020-12-23 09:17:03,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-12-23 09:17:03,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 119 transitions. [2020-12-23 09:17:03,310 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 119 transitions. Word has length 31 [2020-12-23 09:17:03,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:03,312 INFO L481 AbstractCegarLoop]: Abstraction has 87 states and 119 transitions. [2020-12-23 09:17:03,312 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:03,312 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 119 transitions. [2020-12-23 09:17:03,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-12-23 09:17:03,313 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:03,313 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 09:17:03,314 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-23 09:17:03,314 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:03,314 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:03,315 INFO L82 PathProgramCache]: Analyzing trace with hash 1202962538, now seen corresponding path program 1 times [2020-12-23 09:17:03,315 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:03,316 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983051958] [2020-12-23 09:17:03,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:03,456 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 09:17:03,457 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983051958] [2020-12-23 09:17:03,457 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:03,457 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:17:03,459 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469636902] [2020-12-23 09:17:03,460 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:17:03,460 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:03,461 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:17:03,462 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:03,463 INFO L87 Difference]: Start difference. First operand 87 states and 119 transitions. Second operand 5 states. [2020-12-23 09:17:03,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:03,587 INFO L93 Difference]: Finished difference Result 431 states and 600 transitions. [2020-12-23 09:17:03,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-12-23 09:17:03,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2020-12-23 09:17:03,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:03,591 INFO L225 Difference]: With dead ends: 431 [2020-12-23 09:17:03,592 INFO L226 Difference]: Without dead ends: 350 [2020-12-23 09:17:03,596 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:17:03,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2020-12-23 09:17:03,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 162. [2020-12-23 09:17:03,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-23 09:17:03,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 221 transitions. [2020-12-23 09:17:03,638 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 221 transitions. Word has length 31 [2020-12-23 09:17:03,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:03,638 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 221 transitions. [2020-12-23 09:17:03,638 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:03,638 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 221 transitions. [2020-12-23 09:17:03,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:17:03,648 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:03,648 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:03,649 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-23 09:17:03,649 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:03,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:03,651 INFO L82 PathProgramCache]: Analyzing trace with hash 552949620, now seen corresponding path program 1 times [2020-12-23 09:17:03,653 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:03,655 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1572880225] [2020-12-23 09:17:03,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:03,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:03,774 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 09:17:03,775 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1572880225] [2020-12-23 09:17:03,775 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:03,775 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:17:03,776 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72919000] [2020-12-23 09:17:03,776 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-23 09:17:03,776 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:03,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-23 09:17:03,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-23 09:17:03,777 INFO L87 Difference]: Start difference. First operand 162 states and 221 transitions. Second operand 5 states. [2020-12-23 09:17:03,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:03,910 INFO L93 Difference]: Finished difference Result 470 states and 642 transitions. [2020-12-23 09:17:03,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-12-23 09:17:03,911 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2020-12-23 09:17:03,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:03,914 INFO L225 Difference]: With dead ends: 470 [2020-12-23 09:17:03,914 INFO L226 Difference]: Without dead ends: 468 [2020-12-23 09:17:03,915 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-12-23 09:17:03,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2020-12-23 09:17:03,932 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 162. [2020-12-23 09:17:03,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 162 states. [2020-12-23 09:17:03,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 220 transitions. [2020-12-23 09:17:03,933 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 220 transitions. Word has length 32 [2020-12-23 09:17:03,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:03,934 INFO L481 AbstractCegarLoop]: Abstraction has 162 states and 220 transitions. [2020-12-23 09:17:03,934 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-23 09:17:03,934 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 220 transitions. [2020-12-23 09:17:03,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:17:03,935 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:03,935 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:03,935 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-23 09:17:03,936 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:03,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:03,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1792378863, now seen corresponding path program 1 times [2020-12-23 09:17:03,936 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:03,937 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331384332] [2020-12-23 09:17:03,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:03,984 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 09:17:03,985 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331384332] [2020-12-23 09:17:03,985 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:03,985 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-23 09:17:03,985 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266909947] [2020-12-23 09:17:03,986 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-23 09:17:03,986 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:03,987 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-23 09:17:03,987 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-23 09:17:03,987 INFO L87 Difference]: Start difference. First operand 162 states and 220 transitions. Second operand 4 states. [2020-12-23 09:17:04,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:04,058 INFO L93 Difference]: Finished difference Result 388 states and 522 transitions. [2020-12-23 09:17:04,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-23 09:17:04,059 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2020-12-23 09:17:04,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:04,061 INFO L225 Difference]: With dead ends: 388 [2020-12-23 09:17:04,061 INFO L226 Difference]: Without dead ends: 232 [2020-12-23 09:17:04,063 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 09:17:04,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 232 states. [2020-12-23 09:17:04,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 232 to 174. [2020-12-23 09:17:04,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 174 states. [2020-12-23 09:17:04,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 174 states to 174 states and 232 transitions. [2020-12-23 09:17:04,083 INFO L78 Accepts]: Start accepts. Automaton has 174 states and 232 transitions. Word has length 32 [2020-12-23 09:17:04,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:04,084 INFO L481 AbstractCegarLoop]: Abstraction has 174 states and 232 transitions. [2020-12-23 09:17:04,084 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-23 09:17:04,084 INFO L276 IsEmpty]: Start isEmpty. Operand 174 states and 232 transitions. [2020-12-23 09:17:04,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-12-23 09:17:04,087 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:04,087 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:04,087 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-23 09:17:04,088 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:04,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:04,088 INFO L82 PathProgramCache]: Analyzing trace with hash 2050544301, now seen corresponding path program 1 times [2020-12-23 09:17:04,089 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:04,089 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210037529] [2020-12-23 09:17:04,089 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:04,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-23 09:17:04,150 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 09:17:04,155 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210037529] [2020-12-23 09:17:04,156 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-23 09:17:04,156 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-12-23 09:17:04,156 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234610391] [2020-12-23 09:17:04,157 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-23 09:17:04,157 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-23 09:17:04,158 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-23 09:17:04,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-23 09:17:04,160 INFO L87 Difference]: Start difference. First operand 174 states and 232 transitions. Second operand 3 states. [2020-12-23 09:17:04,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-23 09:17:04,230 INFO L93 Difference]: Finished difference Result 394 states and 524 transitions. [2020-12-23 09:17:04,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-23 09:17:04,230 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 32 [2020-12-23 09:17:04,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-23 09:17:04,232 INFO L225 Difference]: With dead ends: 394 [2020-12-23 09:17:04,232 INFO L226 Difference]: Without dead ends: 226 [2020-12-23 09:17:04,233 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 09:17:04,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-12-23 09:17:04,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 226. [2020-12-23 09:17:04,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 226 states. [2020-12-23 09:17:04,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 226 states and 294 transitions. [2020-12-23 09:17:04,258 INFO L78 Accepts]: Start accepts. Automaton has 226 states and 294 transitions. Word has length 32 [2020-12-23 09:17:04,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-23 09:17:04,262 INFO L481 AbstractCegarLoop]: Abstraction has 226 states and 294 transitions. [2020-12-23 09:17:04,262 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-23 09:17:04,263 INFO L276 IsEmpty]: Start isEmpty. Operand 226 states and 294 transitions. [2020-12-23 09:17:04,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2020-12-23 09:17:04,264 INFO L414 BasicCegarLoop]: Found error trace [2020-12-23 09:17:04,264 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-23 09:17:04,264 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-23 09:17:04,265 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-23 09:17:04,265 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-23 09:17:04,265 INFO L82 PathProgramCache]: Analyzing trace with hash 979497771, now seen corresponding path program 1 times [2020-12-23 09:17:04,265 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-23 09:17:04,266 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2125349110] [2020-12-23 09:17:04,266 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-23 09:17:04,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:17:04,339 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:17:04,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-12-23 09:17:04,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-12-23 09:17:04,464 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-12-23 09:17:04,464 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-12-23 09:17:04,465 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-23 09:17:04,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.12 09:17:04 BoogieIcfgContainer [2020-12-23 09:17:04,583 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-12-23 09:17:04,584 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-12-23 09:17:04,584 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-12-23 09:17:04,587 INFO L275 PluginConnector]: Witness Printer initialized [2020-12-23 09:17:04,588 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.12 09:17:01" (3/4) ... [2020-12-23 09:17:04,590 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2020-12-23 09:17:04,730 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product53.cil.c-witness.graphml [2020-12-23 09:17:04,730 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-12-23 09:17:04,732 INFO L168 Benchmark]: Toolchain (without parser) took 5545.49 ms. Allocated memory was 158.3 MB in the beginning and 209.7 MB in the end (delta: 51.4 MB). Free memory was 132.6 MB in the beginning and 128.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 56.3 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:04,733 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 158.3 MB. Free memory is still 131.2 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:17:04,733 INFO L168 Benchmark]: CACSL2BoogieTranslator took 713.18 ms. Allocated memory is still 158.3 MB. Free memory was 132.4 MB in the beginning and 110.4 MB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:04,734 INFO L168 Benchmark]: Boogie Procedure Inliner took 167.11 ms. Allocated memory is still 158.3 MB. Free memory was 110.4 MB in the beginning and 138.7 MB in the end (delta: -28.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:04,734 INFO L168 Benchmark]: Boogie Preprocessor took 65.58 ms. Allocated memory is still 158.3 MB. Free memory was 138.7 MB in the beginning and 135.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:04,735 INFO L168 Benchmark]: RCFGBuilder took 1395.84 ms. Allocated memory is still 158.3 MB. Free memory was 135.1 MB in the beginning and 53.8 MB in the end (delta: 81.3 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:04,735 INFO L168 Benchmark]: TraceAbstraction took 3041.88 ms. Allocated memory was 158.3 MB in the beginning and 209.7 MB in the end (delta: 51.4 MB). Free memory was 53.3 MB in the beginning and 142.7 MB in the end (delta: -89.4 MB). There was no memory consumed. Max. memory is 8.0 GB. [2020-12-23 09:17:04,736 INFO L168 Benchmark]: Witness Printer took 146.35 ms. Allocated memory is still 209.7 MB. Free memory was 142.7 MB in the beginning and 128.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2020-12-23 09:17:04,738 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 158.3 MB. Free memory is still 131.2 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 713.18 ms. Allocated memory is still 158.3 MB. Free memory was 132.4 MB in the beginning and 110.4 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 167.11 ms. Allocated memory is still 158.3 MB. Free memory was 110.4 MB in the beginning and 138.7 MB in the end (delta: -28.3 MB). Peak memory consumption was 5.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 65.58 ms. Allocated memory is still 158.3 MB. Free memory was 138.7 MB in the beginning and 135.1 MB in the end (delta: 3.7 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1395.84 ms. Allocated memory is still 158.3 MB. Free memory was 135.1 MB in the beginning and 53.8 MB in the end (delta: 81.3 MB). Peak memory consumption was 80.7 MB. Max. memory is 8.0 GB. * TraceAbstraction took 3041.88 ms. Allocated memory was 158.3 MB in the beginning and 209.7 MB in the end (delta: 51.4 MB). Free memory was 53.3 MB in the beginning and 142.7 MB in the end (delta: -89.4 MB). There was no memory consumed. Max. memory is 8.0 GB. * Witness Printer took 146.35 ms. Allocated memory is still 209.7 MB. Free memory was 142.7 MB in the beginning and 128.5 MB in the end (delta: 14.2 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 75]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L446] int cleanupTimeShifts = 4; [L556] int pumpRunning = 0; [L557] int systemActive = 1; [L880] int waterLevel = 1; [L881] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L527] int retValue_acc ; [L528] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L870] int retValue_acc ; [L873] retValue_acc = 1 [L874] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L534] tmp = valid_product() [L536] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] int splverifierCounter ; [L781] int tmp ; [L782] int tmp___0 ; [L783] int tmp___1 ; [L784] int tmp___2 ; [L787] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L789] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L791] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L797] tmp = __VERIFIER_nondet_int() [L799] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L898] COND TRUE waterLevel < 2 [L899] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L807] tmp___0 = __VERIFIER_nondet_int() [L809] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L910] COND FALSE !(\read(methaneLevelCritical)) [L913] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L817] tmp___2 = __VERIFIER_nondet_int() [L819] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L563] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L570] COND TRUE \read(systemActive) [L644] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L647] COND FALSE !(\read(pumpRunning)) [L618] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L621] COND FALSE !(\read(pumpRunning)) [L592] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L595] COND TRUE ! pumpRunning [L741] int retValue_acc ; [L742] int tmp ; [L743] int tmp___0 ; [L960] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L963] COND FALSE !(waterLevel < 2) [L967] retValue_acc = 0 [L968] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L747] tmp = isHighWaterSensorDry() [L749] COND FALSE !(\read(tmp)) [L752] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L754] retValue_acc = tmp___0 [L755] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L597] tmp = isHighWaterLevel() [L599] COND TRUE \read(tmp) [L672] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L46] int tmp ; [L47] int tmp___0 ; [L919] int retValue_acc ; [L922] retValue_acc = methaneLevelCritical [L923] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L51] tmp = isMethaneLevelCritical() [L53] COND TRUE \read(tmp) [L696] int retValue_acc ; [L699] retValue_acc = pumpRunning [L700] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L55] tmp___0 = isPumpRunning() [L57] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L75] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 189 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.8s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 1.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1137 SDtfs, 1406 SDslu, 1237 SDs, 0 SdLazy, 199 SolverSat, 47 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 47 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=226occurred in iteration=9, 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, 9 MinimizatonAttempts, 599 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 271 NumberOfCodeBlocks, 271 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 229 ConstructedInterpolants, 0 QuantifiedInterpolants, 12994 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 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 incorrect! Received shutdown request...