/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_spec3_product41.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:12:36,541 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:12:36,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:12:36,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:12:36,588 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:12:36,590 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:12:36,592 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:12:36,594 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:12:36,597 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:12:36,598 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:12:36,599 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:12:36,601 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:12:36,601 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:12:36,603 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:12:36,604 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:12:36,624 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:12:36,625 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:12:36,626 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:12:36,628 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:12:36,630 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:12:36,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:12:36,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:12:36,637 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:12:36,638 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:12:36,641 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:12:36,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:12:36,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:12:36,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:12:36,643 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:12:36,644 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:12:36,645 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:12:36,645 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:12:36,646 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:12:36,647 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:12:36,648 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:12:36,649 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:12:36,650 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:12:36,650 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:12:36,650 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:12:36,651 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:12:36,652 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:12:36,653 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:12:36,680 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:12:36,680 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:12:36,682 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:12:36,682 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:12:36,682 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:12:36,682 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:12:36,683 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:12:36,683 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:12:36,683 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:12:36,683 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:12:36,683 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:12:36,684 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:12:36,684 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:12:36,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:12:36,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:12:36,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:12:36,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:12:36,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:36,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:12:36,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:12:36,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:12:36,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:12:36,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:12:36,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:12:36,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:12:36,686 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:12:37,042 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:12:37,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:12:37,079 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:12:37,081 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:12:37,082 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:12:37,083 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-01-06 19:12:37,175 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a66ee1c3d/fb16a76b714b47a293f43ce22e3afc72/FLAG769b54e8b [2021-01-06 19:12:37,922 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:12:37,922 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product41.cil.c [2021-01-06 19:12:37,946 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a66ee1c3d/fb16a76b714b47a293f43ce22e3afc72/FLAG769b54e8b [2021-01-06 19:12:38,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/a66ee1c3d/fb16a76b714b47a293f43ce22e3afc72 [2021-01-06 19:12:38,220 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:12:38,223 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:12:38,226 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:38,227 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:12:38,231 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:12:38,233 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:38" (1/1) ... [2021-01-06 19:12:38,235 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218daa3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:38, skipping insertion in model container [2021-01-06 19:12:38,236 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:38" (1/1) ... [2021-01-06 19:12:38,246 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:12:38,331 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~7,] 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~8,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__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~10,] 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~11,] [2021-01-06 19:12:38,748 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_spec3_product41.cil.c[17654,17667] [2021-01-06 19:12:38,751 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:38,763 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~1,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] 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~7,] 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~8,] 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~9,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~__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~10,] 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~11,] [2021-01-06 19:12:38,991 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_spec3_product41.cil.c[17654,17667] [2021-01-06 19:12:38,992 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:39,040 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:12:39,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39 WrapperNode [2021-01-06 19:12:39,041 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:39,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:39,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:12:39,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:12:39,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,092 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,173 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:39,177 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:12:39,177 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:12:39,177 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:12:39,188 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,202 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,202 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,229 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,237 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... [2021-01-06 19:12:39,244 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:12:39,245 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:12:39,246 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:12:39,246 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:12:39,247 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:39,362 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:12:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:12:39,363 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:12:39,363 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:40,400 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:40,401 INFO L299 CfgBuilder]: Removed 120 assume(true) statements. [2021-01-06 19:12:40,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:40 BoogieIcfgContainer [2021-01-06 19:12:40,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:40,405 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:40,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:40,409 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:40,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:12:38" (1/3) ... [2021-01-06 19:12:40,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641f50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:40, skipping insertion in model container [2021-01-06 19:12:40,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:39" (2/3) ... [2021-01-06 19:12:40,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3641f50a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:40, skipping insertion in model container [2021-01-06 19:12:40,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:40" (3/3) ... [2021-01-06 19:12:40,413 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product41.cil.c [2021-01-06 19:12:40,421 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:40,428 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:40,451 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:40,480 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:40,481 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:40,481 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:40,481 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:40,481 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:40,481 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:40,482 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:40,482 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:40,502 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states. [2021-01-06 19:12:40,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:40,509 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:40,510 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:40,511 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:40,517 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:40,518 INFO L82 PathProgramCache]: Analyzing trace with hash -611333278, now seen corresponding path program 1 times [2021-01-06 19:12:40,528 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:40,528 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [933295649] [2021-01-06 19:12:40,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:40,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:40,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:40,878 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [933295649] [2021-01-06 19:12:40,881 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:40,881 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:40,882 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [828459195] [2021-01-06 19:12:40,888 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:40,889 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:40,902 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:40,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:40,905 INFO L87 Difference]: Start difference. First operand 93 states. Second operand 2 states. [2021-01-06 19:12:40,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:40,937 INFO L93 Difference]: Finished difference Result 180 states and 269 transitions. [2021-01-06 19:12:40,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:40,939 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:40,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:40,951 INFO L225 Difference]: With dead ends: 180 [2021-01-06 19:12:40,951 INFO L226 Difference]: Without dead ends: 89 [2021-01-06 19:12:40,955 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:40,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 89 states. [2021-01-06 19:12:41,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 89 to 89. [2021-01-06 19:12:41,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 89 states. [2021-01-06 19:12:41,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 89 states and 126 transitions. [2021-01-06 19:12:41,006 INFO L78 Accepts]: Start accepts. Automaton has 89 states and 126 transitions. Word has length 18 [2021-01-06 19:12:41,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:41,006 INFO L481 AbstractCegarLoop]: Abstraction has 89 states and 126 transitions. [2021-01-06 19:12:41,006 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:41,007 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states and 126 transitions. [2021-01-06 19:12:41,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:41,008 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:41,008 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:41,009 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:41,009 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:41,012 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:41,012 INFO L82 PathProgramCache]: Analyzing trace with hash 1493643632, now seen corresponding path program 1 times [2021-01-06 19:12:41,012 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:41,013 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83529325] [2021-01-06 19:12:41,013 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:41,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:41,197 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83529325] [2021-01-06 19:12:41,197 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:41,197 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:41,200 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1519003783] [2021-01-06 19:12:41,201 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:41,202 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:41,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:41,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,205 INFO L87 Difference]: Start difference. First operand 89 states and 126 transitions. Second operand 3 states. [2021-01-06 19:12:41,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:41,237 INFO L93 Difference]: Finished difference Result 89 states and 126 transitions. [2021-01-06 19:12:41,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:41,238 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:41,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:41,240 INFO L225 Difference]: With dead ends: 89 [2021-01-06 19:12:41,241 INFO L226 Difference]: Without dead ends: 39 [2021-01-06 19:12:41,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-01-06 19:12:41,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-01-06 19:12:41,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 19:12:41,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2021-01-06 19:12:41,253 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 19 [2021-01-06 19:12:41,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:41,253 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2021-01-06 19:12:41,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:41,254 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2021-01-06 19:12:41,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:41,255 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:41,255 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:41,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:41,256 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:41,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:41,257 INFO L82 PathProgramCache]: Analyzing trace with hash 590350463, now seen corresponding path program 1 times [2021-01-06 19:12:41,257 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:41,257 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945792303] [2021-01-06 19:12:41,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:41,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:41,462 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:41,462 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945792303] [2021-01-06 19:12:41,463 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:41,463 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:41,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943243156] [2021-01-06 19:12:41,464 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:41,464 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:41,465 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:41,465 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,465 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2021-01-06 19:12:41,473 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:41,474 INFO L93 Difference]: Finished difference Result 72 states and 104 transitions. [2021-01-06 19:12:41,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:41,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:12:41,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:41,476 INFO L225 Difference]: With dead ends: 72 [2021-01-06 19:12:41,476 INFO L226 Difference]: Without dead ends: 39 [2021-01-06 19:12:41,477 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2021-01-06 19:12:41,482 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2021-01-06 19:12:41,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2021-01-06 19:12:41,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 54 transitions. [2021-01-06 19:12:41,483 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 54 transitions. Word has length 24 [2021-01-06 19:12:41,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:41,484 INFO L481 AbstractCegarLoop]: Abstraction has 39 states and 54 transitions. [2021-01-06 19:12:41,484 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:41,484 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 54 transitions. [2021-01-06 19:12:41,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:12:41,485 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:41,485 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:41,486 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:41,486 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:41,487 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:41,487 INFO L82 PathProgramCache]: Analyzing trace with hash 1748150010, now seen corresponding path program 1 times [2021-01-06 19:12:41,487 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:41,488 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1883793875] [2021-01-06 19:12:41,488 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:41,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:41,558 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:41,559 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1883793875] [2021-01-06 19:12:41,559 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:41,559 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:41,559 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732880984] [2021-01-06 19:12:41,561 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:41,561 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:41,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:41,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,564 INFO L87 Difference]: Start difference. First operand 39 states and 54 transitions. Second operand 3 states. [2021-01-06 19:12:41,615 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:41,615 INFO L93 Difference]: Finished difference Result 95 states and 135 transitions. [2021-01-06 19:12:41,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:41,616 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 25 [2021-01-06 19:12:41,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:41,617 INFO L225 Difference]: With dead ends: 95 [2021-01-06 19:12:41,619 INFO L226 Difference]: Without dead ends: 62 [2021-01-06 19:12:41,619 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:41,622 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-01-06 19:12:41,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 60. [2021-01-06 19:12:41,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2021-01-06 19:12:41,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 84 transitions. [2021-01-06 19:12:41,644 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 84 transitions. Word has length 25 [2021-01-06 19:12:41,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:41,645 INFO L481 AbstractCegarLoop]: Abstraction has 60 states and 84 transitions. [2021-01-06 19:12:41,645 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:41,645 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2021-01-06 19:12:41,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:12:41,646 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:41,646 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] [2021-01-06 19:12:41,646 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:41,647 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:41,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:41,648 INFO L82 PathProgramCache]: Analyzing trace with hash 787955310, now seen corresponding path program 1 times [2021-01-06 19:12:41,648 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:41,650 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350058243] [2021-01-06 19:12:41,650 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:41,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:41,781 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:41,782 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350058243] [2021-01-06 19:12:41,782 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:41,783 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:41,783 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239137766] [2021-01-06 19:12:41,783 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:41,784 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:41,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:41,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:41,786 INFO L87 Difference]: Start difference. First operand 60 states and 84 transitions. Second operand 5 states. [2021-01-06 19:12:41,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:41,938 INFO L93 Difference]: Finished difference Result 314 states and 458 transitions. [2021-01-06 19:12:41,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:41,939 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-06 19:12:41,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:41,942 INFO L225 Difference]: With dead ends: 314 [2021-01-06 19:12:41,942 INFO L226 Difference]: Without dead ends: 260 [2021-01-06 19:12:41,943 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:41,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2021-01-06 19:12:41,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 106. [2021-01-06 19:12:41,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2021-01-06 19:12:41,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 146 transitions. [2021-01-06 19:12:41,965 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 146 transitions. Word has length 31 [2021-01-06 19:12:41,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:41,966 INFO L481 AbstractCegarLoop]: Abstraction has 106 states and 146 transitions. [2021-01-06 19:12:41,966 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:41,966 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 146 transitions. [2021-01-06 19:12:41,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:41,970 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:41,970 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] [2021-01-06 19:12:41,970 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:41,970 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:41,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:41,971 INFO L82 PathProgramCache]: Analyzing trace with hash -1324804560, now seen corresponding path program 1 times [2021-01-06 19:12:41,971 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:41,972 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919958897] [2021-01-06 19:12:41,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,094 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919958897] [2021-01-06 19:12:42,095 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,095 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:42,096 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [725072116] [2021-01-06 19:12:42,097 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:42,097 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,098 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:42,099 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:42,100 INFO L87 Difference]: Start difference. First operand 106 states and 146 transitions. Second operand 4 states. [2021-01-06 19:12:42,193 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,193 INFO L93 Difference]: Finished difference Result 212 states and 299 transitions. [2021-01-06 19:12:42,194 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-01-06 19:12:42,194 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-01-06 19:12:42,194 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,196 INFO L225 Difference]: With dead ends: 212 [2021-01-06 19:12:42,196 INFO L226 Difference]: Without dead ends: 158 [2021-01-06 19:12:42,197 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:42,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2021-01-06 19:12:42,212 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 155. [2021-01-06 19:12:42,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:12:42,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 215 transitions. [2021-01-06 19:12:42,214 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 215 transitions. Word has length 32 [2021-01-06 19:12:42,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,214 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 215 transitions. [2021-01-06 19:12:42,215 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:42,215 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 215 transitions. [2021-01-06 19:12:42,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:42,217 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,217 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] [2021-01-06 19:12:42,217 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:12:42,217 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,218 INFO L82 PathProgramCache]: Analyzing trace with hash 1959045486, now seen corresponding path program 1 times [2021-01-06 19:12:42,218 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,219 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492301466] [2021-01-06 19:12:42,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,293 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492301466] [2021-01-06 19:12:42,293 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,293 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:42,294 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534526295] [2021-01-06 19:12:42,295 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2021-01-06 19:12:42,295 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,296 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-01-06 19:12:42,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-01-06 19:12:42,297 INFO L87 Difference]: Start difference. First operand 155 states and 215 transitions. Second operand 4 states. [2021-01-06 19:12:42,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,350 INFO L93 Difference]: Finished difference Result 412 states and 582 transitions. [2021-01-06 19:12:42,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:12:42,351 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 32 [2021-01-06 19:12:42,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,355 INFO L225 Difference]: With dead ends: 412 [2021-01-06 19:12:42,355 INFO L226 Difference]: Without dead ends: 308 [2021-01-06 19:12:42,361 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:42,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2021-01-06 19:12:42,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 155. [2021-01-06 19:12:42,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2021-01-06 19:12:42,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 214 transitions. [2021-01-06 19:12:42,408 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 214 transitions. Word has length 32 [2021-01-06 19:12:42,409 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,409 INFO L481 AbstractCegarLoop]: Abstraction has 155 states and 214 transitions. [2021-01-06 19:12:42,409 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2021-01-06 19:12:42,409 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 214 transitions. [2021-01-06 19:12:42,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:12:42,411 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,411 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] [2021-01-06 19:12:42,411 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:12:42,412 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,412 INFO L82 PathProgramCache]: Analyzing trace with hash -2077756372, now seen corresponding path program 1 times [2021-01-06 19:12:42,412 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,413 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2062387571] [2021-01-06 19:12:42,414 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,508 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2062387571] [2021-01-06 19:12:42,509 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,509 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:12:42,509 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110652508] [2021-01-06 19:12:42,510 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:42,510 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:42,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:42,512 INFO L87 Difference]: Start difference. First operand 155 states and 214 transitions. Second operand 6 states. [2021-01-06 19:12:42,633 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:42,633 INFO L93 Difference]: Finished difference Result 524 states and 737 transitions. [2021-01-06 19:12:42,634 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:42,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2021-01-06 19:12:42,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:42,636 INFO L225 Difference]: With dead ends: 524 [2021-01-06 19:12:42,637 INFO L226 Difference]: Without dead ends: 375 [2021-01-06 19:12:42,639 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:12:42,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 375 states. [2021-01-06 19:12:42,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 375 to 161. [2021-01-06 19:12:42,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 161 states. [2021-01-06 19:12:42,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 219 transitions. [2021-01-06 19:12:42,670 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 219 transitions. Word has length 32 [2021-01-06 19:12:42,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:42,671 INFO L481 AbstractCegarLoop]: Abstraction has 161 states and 219 transitions. [2021-01-06 19:12:42,671 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:42,671 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 219 transitions. [2021-01-06 19:12:42,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:12:42,679 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:42,680 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:42,680 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:12:42,681 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:42,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:42,682 INFO L82 PathProgramCache]: Analyzing trace with hash 662884577, now seen corresponding path program 1 times [2021-01-06 19:12:42,682 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:42,682 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852171828] [2021-01-06 19:12:42,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:42,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:42,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:42,777 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852171828] [2021-01-06 19:12:42,778 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:42,778 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:42,778 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [393593935] [2021-01-06 19:12:42,779 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:42,780 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:42,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:42,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:42,783 INFO L87 Difference]: Start difference. First operand 161 states and 219 transitions. Second operand 6 states. [2021-01-06 19:12:43,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:43,022 INFO L93 Difference]: Finished difference Result 1154 states and 1559 transitions. [2021-01-06 19:12:43,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-01-06 19:12:43,022 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-01-06 19:12:43,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:43,028 INFO L225 Difference]: With dead ends: 1154 [2021-01-06 19:12:43,028 INFO L226 Difference]: Without dead ends: 999 [2021-01-06 19:12:43,029 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=67, Invalid=143, Unknown=0, NotChecked=0, Total=210 [2021-01-06 19:12:43,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 999 states. [2021-01-06 19:12:43,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 999 to 302. [2021-01-06 19:12:43,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 302 states. [2021-01-06 19:12:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 406 transitions. [2021-01-06 19:12:43,076 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 406 transitions. Word has length 35 [2021-01-06 19:12:43,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:43,082 INFO L481 AbstractCegarLoop]: Abstraction has 302 states and 406 transitions. [2021-01-06 19:12:43,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:43,082 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 406 transitions. [2021-01-06 19:12:43,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2021-01-06 19:12:43,086 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:43,086 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:43,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:12:43,087 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:43,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:43,088 INFO L82 PathProgramCache]: Analyzing trace with hash 1342942947, now seen corresponding path program 1 times [2021-01-06 19:12:43,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:43,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [79525608] [2021-01-06 19:12:43,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:43,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:43,170 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:43,170 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [79525608] [2021-01-06 19:12:43,171 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:43,171 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:12:43,171 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656759402] [2021-01-06 19:12:43,173 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:12:43,173 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:43,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:12:43,174 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:12:43,174 INFO L87 Difference]: Start difference. First operand 302 states and 406 transitions. Second operand 6 states. [2021-01-06 19:12:43,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:43,398 INFO L93 Difference]: Finished difference Result 687 states and 937 transitions. [2021-01-06 19:12:43,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:12:43,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 35 [2021-01-06 19:12:43,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:43,404 INFO L225 Difference]: With dead ends: 687 [2021-01-06 19:12:43,404 INFO L226 Difference]: Without dead ends: 121 [2021-01-06 19:12:43,406 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2021-01-06 19:12:43,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2021-01-06 19:12:43,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 96. [2021-01-06 19:12:43,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 96 states. [2021-01-06 19:12:43,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 115 transitions. [2021-01-06 19:12:43,417 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 115 transitions. Word has length 35 [2021-01-06 19:12:43,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:43,418 INFO L481 AbstractCegarLoop]: Abstraction has 96 states and 115 transitions. [2021-01-06 19:12:43,418 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:12:43,418 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 115 transitions. [2021-01-06 19:12:43,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2021-01-06 19:12:43,418 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:43,419 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:43,419 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:12:43,419 INFO L429 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:43,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:43,420 INFO L82 PathProgramCache]: Analyzing trace with hash 384013147, now seen corresponding path program 1 times [2021-01-06 19:12:43,420 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:43,420 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440185955] [2021-01-06 19:12:43,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:43,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:43,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:43,497 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1440185955] [2021-01-06 19:12:43,497 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:43,497 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:43,497 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874573153] [2021-01-06 19:12:43,498 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:43,498 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:43,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:43,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:43,499 INFO L87 Difference]: Start difference. First operand 96 states and 115 transitions. Second operand 5 states. [2021-01-06 19:12:43,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:43,619 INFO L93 Difference]: Finished difference Result 228 states and 273 transitions. [2021-01-06 19:12:43,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:43,619 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 36 [2021-01-06 19:12:43,620 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:43,620 INFO L225 Difference]: With dead ends: 228 [2021-01-06 19:12:43,620 INFO L226 Difference]: Without dead ends: 0 [2021-01-06 19:12:43,621 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:43,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-01-06 19:12:43,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-01-06 19:12:43,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2021-01-06 19:12:43,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-01-06 19:12:43,622 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 36 [2021-01-06 19:12:43,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:43,622 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-01-06 19:12:43,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:43,622 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-01-06 19:12:43,622 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-01-06 19:12:43,623 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-01-06 19:12:43,625 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-01-06 19:12:43,830 WARN L197 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 87 [2021-01-06 19:12:44,142 WARN L197 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 82 [2021-01-06 19:12:44,471 WARN L197 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 98 [2021-01-06 19:12:44,678 WARN L197 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 110 [2021-01-06 19:12:44,956 WARN L197 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 30 [2021-01-06 19:12:45,178 WARN L197 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 44 [2021-01-06 19:12:45,375 WARN L197 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2021-01-06 19:12:45,545 WARN L197 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 42 [2021-01-06 19:12:45,793 WARN L197 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 79 DAG size of output: 40 [2021-01-06 19:12:46,005 WARN L197 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 31 [2021-01-06 19:12:46,245 WARN L197 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 40 [2021-01-06 19:12:46,424 WARN L197 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 24 [2021-01-06 19:12:46,924 WARN L197 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 27 [2021-01-06 19:12:47,254 WARN L197 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 29 [2021-01-06 19:12:47,258 INFO L189 CegarLoopUtils]: For program point L382(lines 382 386) no Hoare annotation was computed. [2021-01-06 19:12:47,259 INFO L189 CegarLoopUtils]: For program point L349(lines 349 355) no Hoare annotation was computed. [2021-01-06 19:12:47,259 INFO L189 CegarLoopUtils]: For program point L283(lines 283 289) no Hoare annotation was computed. [2021-01-06 19:12:47,259 INFO L189 CegarLoopUtils]: For program point L349-2(lines 349 355) no Hoare annotation was computed. [2021-01-06 19:12:47,260 INFO L185 CegarLoopUtils]: At program point L283-1(lines 283 289) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse7 (= ~methaneLevelCritical~0 0)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse8 (<= 2 ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse4 .cse7 .cse8 .cse5 .cse6) (and .cse0 .cse7 .cse4 .cse5 .cse6) (and .cse1 .cse2 .cse3 .cse4 .cse8 .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2021-01-06 19:12:47,260 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-01-06 19:12:47,260 INFO L189 CegarLoopUtils]: For program point L349-4(lines 349 355) no Hoare annotation was computed. [2021-01-06 19:12:47,260 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-01-06 19:12:47,260 INFO L192 CegarLoopUtils]: At program point L549(lines 530 552) the Hoare annotation is: true [2021-01-06 19:12:47,261 INFO L185 CegarLoopUtils]: At program point L104(lines 104 110) the Hoare annotation is: (let ((.cse0 (= ~methaneLevelCritical~0 1)) (.cse4 (= ~waterLevel~0 1)) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1) .cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse2 .cse3) (and .cse4 .cse0 .cse1 .cse2 .cse3) (and .cse4 (= ~methaneLevelCritical~0 0) .cse1 .cse2 .cse3) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse2) .cse1 .cse3))) [2021-01-06 19:12:47,261 INFO L185 CegarLoopUtils]: At program point L104-1(lines 104 110) the Hoare annotation is: false [2021-01-06 19:12:47,261 INFO L185 CegarLoopUtils]: At program point L104-2(lines 104 110) the Hoare annotation is: false [2021-01-06 19:12:47,261 INFO L185 CegarLoopUtils]: At program point L517(lines 513 519) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:47,261 INFO L185 CegarLoopUtils]: At program point L319(lines 272 320) the Hoare annotation is: false [2021-01-06 19:12:47,262 INFO L189 CegarLoopUtils]: For program point L303(lines 303 314) no Hoare annotation was computed. [2021-01-06 19:12:47,262 INFO L185 CegarLoopUtils]: At program point L452(lines 443 456) the Hoare annotation is: (let ((.cse6 (= ~waterLevel~0 1)) (.cse2 (= ~methaneLevelCritical~0 0)) (.cse7 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (<= 2 ~waterLevel~0)) (.cse4 (= ~pumpRunning~0 0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse6 .cse7 .cse1 .cse4 .cse5) (and .cse6 .cse2 .cse1 .cse4 .cse5) (and .cse7 .cse0 .cse1 .cse3 .cse4 .cse5))) [2021-01-06 19:12:47,262 INFO L185 CegarLoopUtils]: At program point L452-1(lines 443 456) the Hoare annotation is: false [2021-01-06 19:12:47,262 INFO L185 CegarLoopUtils]: At program point L452-2(lines 443 456) the Hoare annotation is: false [2021-01-06 19:12:47,262 INFO L185 CegarLoopUtils]: At program point L469-2(lines 469 483) the Hoare annotation is: false [2021-01-06 19:12:47,262 INFO L189 CegarLoopUtils]: For program point L370(lines 370 374) no Hoare annotation was computed. [2021-01-06 19:12:47,263 INFO L189 CegarLoopUtils]: For program point L370-3(lines 370 374) no Hoare annotation was computed. [2021-01-06 19:12:47,263 INFO L189 CegarLoopUtils]: For program point L370-6(lines 370 374) no Hoare annotation was computed. [2021-01-06 19:12:47,263 INFO L185 CegarLoopUtils]: At program point L255(lines 240 258) the Hoare annotation is: (let ((.cse5 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse1 (= ~methaneLevelCritical~0 1)) (.cse6 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse7 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse9 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse10 (<= 2 ~waterLevel~0)) (.cse0 (= ~waterLevel~0 1)) (.cse2 (= 1 ~systemActive~0)) (.cse8 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse5 .cse6 .cse7 .cse8 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse5 .cse1 .cse6 .cse7 .cse2 .cse9 .cse10 .cse3 .cse4) (and .cse0 .cse2 .cse8 .cse3 .cse4))) [2021-01-06 19:12:47,263 INFO L185 CegarLoopUtils]: At program point L255-1(lines 240 258) the Hoare annotation is: false [2021-01-06 19:12:47,263 INFO L185 CegarLoopUtils]: At program point L255-2(lines 240 258) the Hoare annotation is: false [2021-01-06 19:12:47,263 INFO L189 CegarLoopUtils]: For program point L470(line 470) no Hoare annotation was computed. [2021-01-06 19:12:47,264 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-01-06 19:12:47,264 INFO L189 CegarLoopUtils]: For program point L339(lines 339 359) no Hoare annotation was computed. [2021-01-06 19:12:47,264 INFO L189 CegarLoopUtils]: For program point L339-2(lines 339 359) no Hoare annotation was computed. [2021-01-06 19:12:47,264 INFO L189 CegarLoopUtils]: For program point L339-4(lines 339 359) no Hoare annotation was computed. [2021-01-06 19:12:47,264 INFO L185 CegarLoopUtils]: At program point L75(lines 70 78) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:47,264 INFO L185 CegarLoopUtils]: At program point L191(lines 184 194) the Hoare annotation is: (let ((.cse1 (= ~waterLevel~0 1)) (.cse9 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse10 (= ~methaneLevelCritical~0 1)) (.cse0 (= |ULTIMATE.start_isMethaneAlarm_#res| 0)) (.cse8 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse11 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse2 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse12 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= ~methaneLevelCritical~0 0)) (.cse13 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse14 (<= 2 ~waterLevel~0)) (.cse5 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse6 (= ~pumpRunning~0 0)) (.cse7 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10 .cse11 .cse2 .cse12 .cse3 .cse13 .cse14 .cse6 .cse7) (and .cse1 .cse9 .cse10 .cse2 .cse3 .cse6 .cse7) (and .cse0 .cse8 .cse11 .cse2 .cse12 .cse3 .cse4 .cse13 .cse14 .cse5 .cse6 .cse7))) [2021-01-06 19:12:47,265 INFO L185 CegarLoopUtils]: At program point L191-1(lines 184 194) the Hoare annotation is: false [2021-01-06 19:12:47,265 INFO L185 CegarLoopUtils]: At program point L191-2(lines 184 194) the Hoare annotation is: false [2021-01-06 19:12:47,265 INFO L185 CegarLoopUtils]: At program point L439(lines 434 442) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and (= ~waterLevel~0 1) .cse0 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse1 .cse2 (= |ULTIMATE.start_getWaterLevel_#res| 1)) (and (not .cse1) (= ULTIMATE.start_activatePump_~tmp~1 0) .cse0 .cse2))) [2021-01-06 19:12:47,265 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-01-06 19:12:47,265 INFO L185 CegarLoopUtils]: At program point L439-1(lines 434 442) the Hoare annotation is: false [2021-01-06 19:12:47,266 INFO L185 CegarLoopUtils]: At program point L439-2(lines 434 442) the Hoare annotation is: false [2021-01-06 19:12:47,266 INFO L189 CegarLoopUtils]: For program point L274(lines 273 318) no Hoare annotation was computed. [2021-01-06 19:12:47,266 INFO L189 CegarLoopUtils]: For program point L473(lines 473 477) no Hoare annotation was computed. [2021-01-06 19:12:47,266 INFO L189 CegarLoopUtils]: For program point L473-1(lines 97 103) no Hoare annotation was computed. [2021-01-06 19:12:47,266 INFO L185 CegarLoopUtils]: At program point L407(lines 402 410) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse8 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse9 (= ~methaneLevelCritical~0 1)) (.cse7 (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0))) (.cse10 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) (.cse1 (not (= ULTIMATE.start_processEnvironment_~tmp~0 0))) (.cse11 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= ~methaneLevelCritical~0 0)) (.cse12 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0))) (.cse13 (<= 2 ~waterLevel~0)) (.cse4 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0)) (.cse5 (= ~pumpRunning~0 0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9 .cse10 .cse1 .cse11 .cse2 .cse12 .cse13 .cse5 .cse6) (and .cse0 .cse8 .cse9 .cse1 .cse2 .cse5 .cse6) (and .cse7 .cse10 .cse1 .cse11 .cse2 .cse3 .cse12 .cse13 .cse4 .cse5 .cse6))) [2021-01-06 19:12:47,267 INFO L185 CegarLoopUtils]: At program point L407-1(lines 402 410) the Hoare annotation is: (let ((.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse0 (= ~waterLevel~0 1)) (.cse4 (= ~pumpRunning~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse5 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse4 .cse5) (and .cse0 .cse3 (= ~methaneLevelCritical~0 0) (= |ULTIMATE.start_isMethaneLevelCritical_#res| 0) .cse4 .cse5) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse4) .cse3 .cse5))) [2021-01-06 19:12:47,267 INFO L185 CegarLoopUtils]: At program point L407-2(lines 402 410) the Hoare annotation is: false [2021-01-06 19:12:47,267 INFO L185 CegarLoopUtils]: At program point L407-3(lines 402 410) the Hoare annotation is: false [2021-01-06 19:12:47,267 INFO L189 CegarLoopUtils]: For program point L275(lines 275 279) no Hoare annotation was computed. [2021-01-06 19:12:47,267 INFO L185 CegarLoopUtils]: At program point L407-4(lines 402 410) the Hoare annotation is: false [2021-01-06 19:12:47,268 INFO L185 CegarLoopUtils]: At program point L407-5(lines 402 410) the Hoare annotation is: false [2021-01-06 19:12:47,268 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-01-06 19:12:47,268 INFO L189 CegarLoopUtils]: For program point L540(lines 540 547) no Hoare annotation was computed. [2021-01-06 19:12:47,268 INFO L192 CegarLoopUtils]: At program point L540-1(lines 540 547) the Hoare annotation is: true [2021-01-06 19:12:47,268 INFO L189 CegarLoopUtils]: For program point L309(lines 309 313) no Hoare annotation was computed. [2021-01-06 19:12:47,268 INFO L189 CegarLoopUtils]: For program point L309-2(lines 97 103) no Hoare annotation was computed. [2021-01-06 19:12:47,268 INFO L189 CegarLoopUtils]: For program point L293(lines 293 299) no Hoare annotation was computed. [2021-01-06 19:12:47,269 INFO L185 CegarLoopUtils]: At program point L293-1(lines 293 299) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2021-01-06 19:12:47,269 INFO L189 CegarLoopUtils]: For program point L129(lines 129 146) no Hoare annotation was computed. [2021-01-06 19:12:47,269 INFO L189 CegarLoopUtils]: For program point L129-1(lines 129 146) no Hoare annotation was computed. [2021-01-06 19:12:47,269 INFO L189 CegarLoopUtils]: For program point L129-2(lines 129 146) no Hoare annotation was computed. [2021-01-06 19:12:47,269 INFO L189 CegarLoopUtils]: For program point L394(lines 394 398) no Hoare annotation was computed. [2021-01-06 19:12:47,269 INFO L185 CegarLoopUtils]: At program point L97(lines 96 115) the Hoare annotation is: (let ((.cse2 (<= 2 ~waterLevel~0)) (.cse0 (= ~methaneLevelCritical~0 1)) (.cse6 (= ~waterLevel~0 1)) (.cse5 (= ~methaneLevelCritical~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse1 (= 1 ~systemActive~0)) (.cse4 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse1 .cse5 .cse2 .cse3 .cse4) (and .cse6 .cse0 .cse1 .cse3 .cse4) (and .cse6 .cse5 .cse1 .cse3 .cse4) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse3) .cse1 .cse4))) [2021-01-06 19:12:47,270 INFO L189 CegarLoopUtils]: For program point L97-1(lines 97 103) no Hoare annotation was computed. [2021-01-06 19:12:47,270 INFO L185 CegarLoopUtils]: At program point L97-2(lines 96 115) the Hoare annotation is: false [2021-01-06 19:12:47,270 INFO L185 CegarLoopUtils]: At program point L97-3(lines 96 115) the Hoare annotation is: false [2021-01-06 19:12:47,270 INFO L189 CegarLoopUtils]: For program point L345(lines 345 358) no Hoare annotation was computed. [2021-01-06 19:12:47,270 INFO L185 CegarLoopUtils]: At program point L345-1(lines 1 927) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (= |ULTIMATE.start_isMethaneLevelCritical_#res| 1)) (.cse2 (= ~methaneLevelCritical~0 1)) (.cse3 (= ULTIMATE.start___utac_acc__Specification3_spec__1_~tmp~4 1)) (.cse5 (= ~pumpRunning~0 0)) (.cse4 (= 1 ~systemActive~0)) (.cse6 (= ULTIMATE.start_test_~splverifierCounter~0 0))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse0 (= ~methaneLevelCritical~0 0) .cse4 .cse5 .cse6) (and (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment_~tmp~0 0)) .cse3 (= ULTIMATE.start_isHighWaterLevel_~tmp~2 0) .cse4 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0)) (<= 2 ~waterLevel~0) .cse5 .cse6) (and (= ULTIMATE.start_activatePump_~tmp~1 0) (not .cse5) .cse4 .cse6))) [2021-01-06 19:12:47,270 INFO L189 CegarLoopUtils]: For program point L345-2(lines 345 358) no Hoare annotation was computed. [2021-01-06 19:12:47,271 INFO L185 CegarLoopUtils]: At program point L345-3(lines 1 927) the Hoare annotation is: false [2021-01-06 19:12:47,271 INFO L189 CegarLoopUtils]: For program point L345-4(lines 345 358) no Hoare annotation was computed. [2021-01-06 19:12:47,271 INFO L185 CegarLoopUtils]: At program point L345-5(lines 1 927) the Hoare annotation is: false [2021-01-06 19:12:47,271 INFO L189 CegarLoopUtils]: For program point L-1(line -1) no Hoare annotation was computed. [2021-01-06 19:12:47,271 INFO L189 CegarLoopUtils]: For program point L924(line 924) no Hoare annotation was computed. [2021-01-06 19:12:47,271 INFO L189 CegarLoopUtils]: For program point L924-1(line 924) no Hoare annotation was computed. [2021-01-06 19:12:47,271 INFO L189 CegarLoopUtils]: For program point L924-2(line 924) no Hoare annotation was computed. [2021-01-06 19:12:47,272 INFO L189 CegarLoopUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 924) no Hoare annotation was computed. [2021-01-06 19:12:47,272 INFO L189 CegarLoopUtils]: For program point L166(lines 166 172) no Hoare annotation was computed. [2021-01-06 19:12:47,272 INFO L189 CegarLoopUtils]: For program point L133(lines 133 141) no Hoare annotation was computed. [2021-01-06 19:12:47,272 INFO L189 CegarLoopUtils]: For program point L133-1(lines 133 141) no Hoare annotation was computed. [2021-01-06 19:12:47,272 INFO L189 CegarLoopUtils]: For program point L166-2(lines 166 172) no Hoare annotation was computed. [2021-01-06 19:12:47,272 INFO L185 CegarLoopUtils]: At program point L67(lines 1 927) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2021-01-06 19:12:47,272 INFO L189 CegarLoopUtils]: For program point L133-2(lines 133 141) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L166-4(lines 166 172) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L447(lines 447 453) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L447-1(lines 447 453) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L447-2(lines 447 453) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L249(lines 249 253) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L249-2(lines 249 253) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L249-3(lines 249 253) no Hoare annotation was computed. [2021-01-06 19:12:47,273 INFO L189 CegarLoopUtils]: For program point L249-5(lines 249 253) no Hoare annotation was computed. [2021-01-06 19:12:47,274 INFO L189 CegarLoopUtils]: For program point L249-6(lines 249 253) no Hoare annotation was computed. [2021-01-06 19:12:47,274 INFO L189 CegarLoopUtils]: For program point L249-8(lines 249 253) no Hoare annotation was computed. [2021-01-06 19:12:47,274 INFO L185 CegarLoopUtils]: At program point L200(lines 195 203) the Hoare annotation is: (and (not (= ~pumpRunning~0 0)) (= ULTIMATE.start_activatePump_~tmp~1 0) (= 1 ~systemActive~0) (not (= |ULTIMATE.start_isPumpRunning_#res| 0)) (= ULTIMATE.start_test_~splverifierCounter~0 0)) [2021-01-06 19:12:47,274 INFO L185 CegarLoopUtils]: At program point L200-1(lines 195 203) the Hoare annotation is: false [2021-01-06 19:12:47,274 INFO L185 CegarLoopUtils]: At program point L200-2(lines 195 203) the Hoare annotation is: false [2021-01-06 19:12:47,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:47 BoogieIcfgContainer [2021-01-06 19:12:47,308 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:47,308 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:47,308 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:47,309 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:47,309 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:40" (3/4) ... [2021-01-06 19:12:47,313 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-01-06 19:12:47,331 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-01-06 19:12:47,332 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-01-06 19:12:47,333 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-01-06 19:12:47,334 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-01-06 19:12:47,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-01-06 19:12:47,335 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:47,336 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-01-06 19:12:47,366 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:12:47,367 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:12:47,368 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:12:47,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:12:47,370 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:47,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) [2021-01-06 19:12:47,371 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:47,372 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 [2021-01-06 19:12:47,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:47,373 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) [2021-01-06 19:12:47,434 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product41.cil.c-witness.graphml [2021-01-06 19:12:47,434 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:47,436 INFO L168 Benchmark]: Toolchain (without parser) took 9213.37 ms. Allocated memory was 164.6 MB in the beginning and 249.6 MB in the end (delta: 84.9 MB). Free memory was 139.6 MB in the beginning and 105.3 MB in the end (delta: 34.3 MB). Peak memory consumption was 119.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,436 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 164.6 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:47,437 INFO L168 Benchmark]: CACSL2BoogieTranslator took 814.65 ms. Allocated memory is still 164.6 MB. Free memory was 139.4 MB in the beginning and 118.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,437 INFO L168 Benchmark]: Boogie Procedure Inliner took 131.30 ms. Allocated memory is still 164.6 MB. Free memory was 118.2 MB in the beginning and 114.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,437 INFO L168 Benchmark]: Boogie Preprocessor took 67.52 ms. Allocated memory is still 164.6 MB. Free memory was 114.8 MB in the beginning and 146.2 MB in the end (delta: -31.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,438 INFO L168 Benchmark]: RCFGBuilder took 1157.63 ms. Allocated memory is still 164.6 MB. Free memory was 146.2 MB in the beginning and 89.6 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,438 INFO L168 Benchmark]: TraceAbstraction took 6903.02 ms. Allocated memory was 164.6 MB in the beginning and 249.6 MB in the end (delta: 84.9 MB). Free memory was 89.1 MB in the beginning and 114.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,439 INFO L168 Benchmark]: Witness Printer took 125.86 ms. Allocated memory is still 249.6 MB. Free memory was 114.2 MB in the beginning and 105.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:47,441 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 164.6 MB. Free memory is still 136.7 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 814.65 ms. Allocated memory is still 164.6 MB. Free memory was 139.4 MB in the beginning and 118.2 MB in the end (delta: 21.2 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 131.30 ms. Allocated memory is still 164.6 MB. Free memory was 118.2 MB in the beginning and 114.9 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 67.52 ms. Allocated memory is still 164.6 MB. Free memory was 114.8 MB in the beginning and 146.2 MB in the end (delta: -31.4 MB). Peak memory consumption was 5.6 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1157.63 ms. Allocated memory is still 164.6 MB. Free memory was 146.2 MB in the beginning and 89.6 MB in the end (delta: 56.6 MB). Peak memory consumption was 56.6 MB. Max. memory is 8.0 GB. * TraceAbstraction took 6903.02 ms. Allocated memory was 164.6 MB in the beginning and 249.6 MB in the end (delta: 84.9 MB). Free memory was 89.1 MB in the beginning and 114.2 MB in the end (delta: -25.1 MB). Peak memory consumption was 87.6 MB. Max. memory is 8.0 GB. * Witness Printer took 125.86 ms. Allocated memory is still 249.6 MB. Free memory was 114.2 MB in the beginning and 105.3 MB in the end (delta: 8.9 MB). Peak memory consumption was 8.4 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 924]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 283]: Loop Invariant Derived loop invariant: (((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((\result == 1 && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && tmp == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 1) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: ((((((((waterLevel == 1 && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((((!(\result == 0) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: (((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || (((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: ((((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((!(\result == 0) && \result == 0) && tmp == 0) && methaneLevelCritical == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((((!(\result == 0) && methaneLevelCritical == 1) && \result == 0) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: (((((((((\result == 0 && waterLevel == 1) && !(tmp == 0)) && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) || ((((((((((!(\result == 0) && \result == 1) && methaneLevelCritical == 1) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && !(tmp___0 == 0)) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((((waterLevel == 1 && \result == 1) && methaneLevelCritical == 1) && !(tmp == 0)) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((((((((\result == 0 && !(\result == 0)) && \result == 0) && !(tmp == 0)) && tmp == 0) && 1 == systemActive) && methaneLevelCritical == 0) && !(tmp___0 == 0)) && 2 <= waterLevel) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 513]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: (((((((\result == 0 && 1 == systemActive) && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((((methaneLevelCritical == 1 && \result == 0) && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 443]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: ((((((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && \result == 0) && pumpRunning == 0) && splverifierCounter == 0) && \result == 1) || (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 195]: Loop Invariant Derived loop invariant: (((!(pumpRunning == 0) && tmp == 0) && 1 == systemActive) && !(\result == 0)) && splverifierCounter == 0 - InvariantResult [Line: 240]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 184]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 434]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 469]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 70]: Loop Invariant Derived loop invariant: ((waterLevel == 1 && 1 == systemActive) && methaneLevelCritical == 0) && pumpRunning == 0 - InvariantResult [Line: 96]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - InvariantResult [Line: 402]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 540]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 530]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 293]: Loop Invariant Derived loop invariant: (((((((methaneLevelCritical == 1 && 1 == systemActive) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0) || ((((1 == systemActive && methaneLevelCritical == 0) && 2 <= waterLevel) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 1) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || ((((waterLevel == 1 && methaneLevelCritical == 0) && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || (((tmp == 0 && !(pumpRunning == 0)) && 1 == systemActive) && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 93 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.1s, OverallIterations: 11, TraceHistogramMax: 1, AutomataDifference: 1.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 992 SDtfs, 1316 SDslu, 1679 SDs, 0 SdLazy, 236 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 74 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 41 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred 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, 11 MinimizatonAttempts, 1248 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 39 LocationsWithAnnotation, 39 PreInvPairs, 186 NumberOfFragments, 1046 HoareAnnotationTreeSize, 39 FomulaSimplifications, 151870 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 39 FomulaSimplificationsInter, 10499 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 319 NumberOfCodeBlocks, 319 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 308 ConstructedInterpolants, 0 QuantifiedInterpolants, 19459 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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 correct! Received shutdown request...