/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:10:20,985 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:10:20,987 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:10:21,025 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:10:21,026 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:10:21,027 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:10:21,032 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:10:21,038 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:10:21,042 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:10:21,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:10:21,049 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:10:21,051 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:10:21,053 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:10:21,056 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:10:21,058 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:10:21,061 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:10:21,062 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:10:21,063 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:10:21,075 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:10:21,077 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:10:21,080 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:10:21,081 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:10:21,083 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:10:21,084 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:10:21,087 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:10:21,087 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:10:21,088 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:10:21,089 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:10:21,089 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:10:21,091 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:10:21,091 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:10:21,092 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:10:21,093 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:10:21,094 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:10:21,095 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:10:21,095 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:10:21,096 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:10:21,097 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:10:21,097 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:10:21,098 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:10:21,099 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:10:21,100 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 19:10:21,127 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:10:21,127 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:10:21,129 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:10:21,129 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:10:21,130 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:10:21,130 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:10:21,130 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:10:21,130 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:10:21,131 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:10:21,131 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:10:21,131 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:10:21,131 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:10:21,132 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:10:21,132 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:10:21,132 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:10:21,132 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:10:21,133 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:10:21,133 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:10:21,133 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:10:21,136 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:10:21,136 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:10:21,136 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:10:21,137 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:10:21,137 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:10:21,137 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:10:21,137 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:10:21,562 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:10:21,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:10:21,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:10:21,590 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:10:21,591 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:10:21,592 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2021-01-06 19:10:21,680 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/37a0768f1/eeb864b9b6774b2c84722599bdbfb4ab/FLAG1aefa1fc0 [2021-01-06 19:10:22,469 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:10:22,470 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c [2021-01-06 19:10:22,496 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/37a0768f1/eeb864b9b6774b2c84722599bdbfb4ab/FLAG1aefa1fc0 [2021-01-06 19:10:22,720 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/37a0768f1/eeb864b9b6774b2c84722599bdbfb4ab [2021-01-06 19:10:22,723 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:10:22,726 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:10:22,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:10:22,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:10:22,732 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:10:22,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:10:22" (1/1) ... [2021-01-06 19:10:22,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41627410 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:22, skipping insertion in model container [2021-01-06 19:10:22,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:10:22" (1/1) ... [2021-01-06 19:10:22,749 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:10:22,825 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] [2021-01-06 19:10:23,239 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c[12699,12712] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:10:23,287 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:10:23,306 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~excep~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~0,] left hand side expression in assignment: lhs: VariableLHS[~cf~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_15~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_16~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~0,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_15~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~1,] left hand side expression in assignment: address: IdentifierExpression[~mem_17~1,] left hand side expression in assignment: lhs: VariableLHS[~excep~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~1,] left hand side expression in assignment: lhs: VariableLHS[~mem_16~2,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_17~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~1,] left hand side expression in assignment: lhs: VariableLHS[~cf~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp~2,] left hand side expression in assignment: lhs: VariableLHS[~new~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_18~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_18~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_19~2,] left hand side expression in assignment: address: IdentifierExpression[~mem_19~2,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp12~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp13~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_20~0,] left hand side expression in assignment: lhs: VariableLHS[~next~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_21~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp14~3,] left hand side expression in assignment: lhs: VariableLHS[~temp~0,] left hand side expression in assignment: lhs: VariableLHS[~count,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp15~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp16~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_22~0,] left hand side expression in assignment: lhs: VariableLHS[~head~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~mem_23~0,] left hand side expression in assignment: lhs: VariableLHS[~excep~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp17~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~2,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~0,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp4~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp5~3,] left hand side expression in assignment: lhs: VariableLHS[~mem_12~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp6~3,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp7~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp8~4,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp9~4,] left hand side expression in assignment: lhs: VariableLHS[~mem_13~1,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp10~5,] left hand side expression in assignment: lhs: VariableLHS[~__cil_tmp11~5,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~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~3,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~3,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] [2021-01-06 19:10:23,376 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec1_product37.cil.c[12699,12712] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~4,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~6,] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~pumpRunning~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~6,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~1,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~8,] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~8,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~2,] left hand side expression in assignment: lhs: VariableLHS[~tmp___2~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] 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~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:10:23,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:10:23,451 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:10:23,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23 WrapperNode [2021-01-06 19:10:23,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:10:23,454 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:10:23,455 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:10:23,455 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:10:23,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,500 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,551 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:10:23,552 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:10:23,552 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:10:23,552 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:10:23,563 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,563 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,567 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,567 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,627 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (1/1) ... [2021-01-06 19:10:23,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:10:23,638 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:10:23,639 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:10:23,639 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:10:23,640 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (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 19:10:23,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:10:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:10:23,793 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:10:23,793 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:10:24,871 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:10:24,871 INFO L299 CfgBuilder]: Removed 156 assume(true) statements. [2021-01-06 19:10:24,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:24 BoogieIcfgContainer [2021-01-06 19:10:24,874 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:10:24,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:10:24,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:10:24,882 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:10:24,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:10:22" (1/3) ... [2021-01-06 19:10:24,883 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c583927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:10:24, skipping insertion in model container [2021-01-06 19:10:24,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:10:23" (2/3) ... [2021-01-06 19:10:24,884 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c583927 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:10:24, skipping insertion in model container [2021-01-06 19:10:24,884 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:24" (3/3) ... [2021-01-06 19:10:24,886 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product37.cil.c [2021-01-06 19:10:24,893 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:10:24,900 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:10:24,921 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:10:24,951 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:10:24,952 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:10:24,952 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:10:24,952 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:10:24,952 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:10:24,953 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:10:24,953 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:10:24,953 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:10:24,974 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states. [2021-01-06 19:10:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-01-06 19:10:24,981 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:24,982 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:24,983 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:24,990 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:24,990 INFO L82 PathProgramCache]: Analyzing trace with hash 2109695399, now seen corresponding path program 1 times [2021-01-06 19:10:25,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:25,002 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [491905220] [2021-01-06 19:10:25,003 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:25,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:25,444 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 19:10:25,445 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [491905220] [2021-01-06 19:10:25,446 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:25,446 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:25,447 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167625037] [2021-01-06 19:10:25,453 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:10:25,453 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:25,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:10:25,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:10:25,472 INFO L87 Difference]: Start difference. First operand 111 states. Second operand 2 states. [2021-01-06 19:10:25,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:25,509 INFO L93 Difference]: Finished difference Result 216 states and 329 transitions. [2021-01-06 19:10:25,510 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:10:25,511 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 16 [2021-01-06 19:10:25,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:25,525 INFO L225 Difference]: With dead ends: 216 [2021-01-06 19:10:25,525 INFO L226 Difference]: Without dead ends: 107 [2021-01-06 19:10:25,530 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 19:10:25,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-01-06 19:10:25,603 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 107. [2021-01-06 19:10:25,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 107 states. [2021-01-06 19:10:25,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 156 transitions. [2021-01-06 19:10:25,609 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 156 transitions. Word has length 16 [2021-01-06 19:10:25,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:25,610 INFO L481 AbstractCegarLoop]: Abstraction has 107 states and 156 transitions. [2021-01-06 19:10:25,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:10:25,610 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 156 transitions. [2021-01-06 19:10:25,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-01-06 19:10:25,612 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:25,612 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:25,612 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:10:25,613 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:25,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:25,614 INFO L82 PathProgramCache]: Analyzing trace with hash 1093063509, now seen corresponding path program 1 times [2021-01-06 19:10:25,614 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:25,614 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760626469] [2021-01-06 19:10:25,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:25,721 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 19:10:25,722 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760626469] [2021-01-06 19:10:25,722 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:25,722 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:10:25,723 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1149149956] [2021-01-06 19:10:25,724 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:25,725 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:25,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:25,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:25,727 INFO L87 Difference]: Start difference. First operand 107 states and 156 transitions. Second operand 3 states. [2021-01-06 19:10:25,742 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:25,742 INFO L93 Difference]: Finished difference Result 107 states and 156 transitions. [2021-01-06 19:10:25,743 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:25,743 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2021-01-06 19:10:25,743 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:25,744 INFO L225 Difference]: With dead ends: 107 [2021-01-06 19:10:25,745 INFO L226 Difference]: Without dead ends: 45 [2021-01-06 19:10:25,746 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 19:10:25,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-01-06 19:10:25,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-01-06 19:10:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-01-06 19:10:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 65 transitions. [2021-01-06 19:10:25,754 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 65 transitions. Word has length 17 [2021-01-06 19:10:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:25,754 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 65 transitions. [2021-01-06 19:10:25,755 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:25,755 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2021-01-06 19:10:25,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-01-06 19:10:25,756 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:25,756 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:10:25,756 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:10:25,757 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:25,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:25,758 INFO L82 PathProgramCache]: Analyzing trace with hash -720159228, now seen corresponding path program 1 times [2021-01-06 19:10:25,758 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:25,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2051198553] [2021-01-06 19:10:25,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:25,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:25,869 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 19:10:25,869 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2051198553] [2021-01-06 19:10:25,869 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:25,870 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:10:25,870 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026565226] [2021-01-06 19:10:25,870 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:10:25,871 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:25,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:10:25,872 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:10:25,872 INFO L87 Difference]: Start difference. First operand 45 states and 65 transitions. Second operand 6 states. [2021-01-06 19:10:26,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:26,063 INFO L93 Difference]: Finished difference Result 84 states and 124 transitions. [2021-01-06 19:10:26,064 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-01-06 19:10:26,064 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2021-01-06 19:10:26,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:26,068 INFO L225 Difference]: With dead ends: 84 [2021-01-06 19:10:26,068 INFO L226 Difference]: Without dead ends: 45 [2021-01-06 19:10:26,069 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:10:26,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 45 states. [2021-01-06 19:10:26,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 45 to 45. [2021-01-06 19:10:26,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 45 states. [2021-01-06 19:10:26,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 45 states and 64 transitions. [2021-01-06 19:10:26,082 INFO L78 Accepts]: Start accepts. Automaton has 45 states and 64 transitions. Word has length 22 [2021-01-06 19:10:26,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:26,082 INFO L481 AbstractCegarLoop]: Abstraction has 45 states and 64 transitions. [2021-01-06 19:10:26,082 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:10:26,082 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 64 transitions. [2021-01-06 19:10:26,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:10:26,085 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:26,086 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] [2021-01-06 19:10:26,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:10:26,086 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:26,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:26,087 INFO L82 PathProgramCache]: Analyzing trace with hash 2091202829, now seen corresponding path program 1 times [2021-01-06 19:10:26,087 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:26,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444283991] [2021-01-06 19:10:26,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:26,233 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 19:10:26,233 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444283991] [2021-01-06 19:10:26,234 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:26,234 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:26,234 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [888940107] [2021-01-06 19:10:26,235 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:26,235 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:26,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:26,236 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:26,236 INFO L87 Difference]: Start difference. First operand 45 states and 64 transitions. Second operand 3 states. [2021-01-06 19:10:26,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:26,305 INFO L93 Difference]: Finished difference Result 105 states and 152 transitions. [2021-01-06 19:10:26,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:26,309 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2021-01-06 19:10:26,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:26,311 INFO L225 Difference]: With dead ends: 105 [2021-01-06 19:10:26,311 INFO L226 Difference]: Without dead ends: 66 [2021-01-06 19:10:26,312 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 19:10:26,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2021-01-06 19:10:26,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 64. [2021-01-06 19:10:26,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 64 states. [2021-01-06 19:10:26,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 64 states and 90 transitions. [2021-01-06 19:10:26,329 INFO L78 Accepts]: Start accepts. Automaton has 64 states and 90 transitions. Word has length 24 [2021-01-06 19:10:26,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:26,332 INFO L481 AbstractCegarLoop]: Abstraction has 64 states and 90 transitions. [2021-01-06 19:10:26,332 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:26,332 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 90 transitions. [2021-01-06 19:10:26,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-06 19:10:26,333 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:26,334 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] [2021-01-06 19:10:26,334 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:10:26,334 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:26,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:26,337 INFO L82 PathProgramCache]: Analyzing trace with hash -1013899842, now seen corresponding path program 1 times [2021-01-06 19:10:26,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:26,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923017613] [2021-01-06 19:10:26,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:26,412 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 19:10:26,413 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923017613] [2021-01-06 19:10:26,413 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:26,413 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:10:26,414 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [698423501] [2021-01-06 19:10:26,414 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:26,414 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:26,415 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:26,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:26,416 INFO L87 Difference]: Start difference. First operand 64 states and 90 transitions. Second operand 5 states. [2021-01-06 19:10:26,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:26,523 INFO L93 Difference]: Finished difference Result 171 states and 239 transitions. [2021-01-06 19:10:26,523 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:10:26,526 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-01-06 19:10:26,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:26,529 INFO L225 Difference]: With dead ends: 171 [2021-01-06 19:10:26,530 INFO L226 Difference]: Without dead ends: 113 [2021-01-06 19:10:26,531 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-01-06 19:10:26,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2021-01-06 19:10:26,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 70. [2021-01-06 19:10:26,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2021-01-06 19:10:26,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 96 transitions. [2021-01-06 19:10:26,550 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 96 transitions. Word has length 30 [2021-01-06 19:10:26,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:26,551 INFO L481 AbstractCegarLoop]: Abstraction has 70 states and 96 transitions. [2021-01-06 19:10:26,551 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:26,551 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 96 transitions. [2021-01-06 19:10:26,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-01-06 19:10:26,557 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:26,557 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] [2021-01-06 19:10:26,558 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:10:26,558 INFO L429 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:26,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:26,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1648611201, now seen corresponding path program 1 times [2021-01-06 19:10:26,559 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:26,559 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [502640672] [2021-01-06 19:10:26,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:26,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:26,664 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 19:10:26,665 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [502640672] [2021-01-06 19:10:26,665 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:26,665 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:26,667 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916945266] [2021-01-06 19:10:26,667 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:26,667 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:26,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:26,669 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:26,669 INFO L87 Difference]: Start difference. First operand 70 states and 96 transitions. Second operand 5 states. [2021-01-06 19:10:26,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:26,788 INFO L93 Difference]: Finished difference Result 344 states and 483 transitions. [2021-01-06 19:10:26,788 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-01-06 19:10:26,788 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2021-01-06 19:10:26,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:26,792 INFO L225 Difference]: With dead ends: 344 [2021-01-06 19:10:26,792 INFO L226 Difference]: Without dead ends: 280 [2021-01-06 19:10:26,795 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:10:26,797 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 280 states. [2021-01-06 19:10:26,826 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 280 to 128. [2021-01-06 19:10:26,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-01-06 19:10:26,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 175 transitions. [2021-01-06 19:10:26,829 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 175 transitions. Word has length 30 [2021-01-06 19:10:26,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:26,829 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 175 transitions. [2021-01-06 19:10:26,830 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:26,830 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 175 transitions. [2021-01-06 19:10:26,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:10:26,831 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:26,831 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 19:10:26,831 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-01-06 19:10:26,831 INFO L429 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:26,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:26,834 INFO L82 PathProgramCache]: Analyzing trace with hash -1974587593, now seen corresponding path program 1 times [2021-01-06 19:10:26,835 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:26,836 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1704866732] [2021-01-06 19:10:26,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:26,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:26,949 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 19:10:26,949 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1704866732] [2021-01-06 19:10:26,950 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:26,950 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:10:26,950 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1302172154] [2021-01-06 19:10:26,951 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:10:26,951 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:26,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:10:26,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:10:26,952 INFO L87 Difference]: Start difference. First operand 128 states and 175 transitions. Second operand 5 states. [2021-01-06 19:10:27,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:27,065 INFO L93 Difference]: Finished difference Result 366 states and 502 transitions. [2021-01-06 19:10:27,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-01-06 19:10:27,065 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2021-01-06 19:10:27,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:27,068 INFO L225 Difference]: With dead ends: 366 [2021-01-06 19:10:27,068 INFO L226 Difference]: Without dead ends: 364 [2021-01-06 19:10:27,068 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-01-06 19:10:27,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-01-06 19:10:27,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 128. [2021-01-06 19:10:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2021-01-06 19:10:27,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 174 transitions. [2021-01-06 19:10:27,084 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 174 transitions. Word has length 31 [2021-01-06 19:10:27,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:27,085 INFO L481 AbstractCegarLoop]: Abstraction has 128 states and 174 transitions. [2021-01-06 19:10:27,085 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:10:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 174 transitions. [2021-01-06 19:10:27,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:10:27,086 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:27,086 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] [2021-01-06 19:10:27,086 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-01-06 19:10:27,087 INFO L429 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:27,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:27,087 INFO L82 PathProgramCache]: Analyzing trace with hash -735158350, now seen corresponding path program 1 times [2021-01-06 19:10:27,088 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:27,088 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [984358344] [2021-01-06 19:10:27,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:27,148 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 19:10:27,149 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [984358344] [2021-01-06 19:10:27,149 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:27,149 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-01-06 19:10:27,150 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [595291911] [2021-01-06 19:10:27,150 INFO L461 AbstractCegarLoop]: Interpolant automaton has 6 states [2021-01-06 19:10:27,150 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:27,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-01-06 19:10:27,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-01-06 19:10:27,151 INFO L87 Difference]: Start difference. First operand 128 states and 174 transitions. Second operand 6 states. [2021-01-06 19:10:27,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:27,240 INFO L93 Difference]: Finished difference Result 346 states and 466 transitions. [2021-01-06 19:10:27,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:10:27,240 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2021-01-06 19:10:27,241 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:27,242 INFO L225 Difference]: With dead ends: 346 [2021-01-06 19:10:27,242 INFO L226 Difference]: Without dead ends: 224 [2021-01-06 19:10:27,243 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2021-01-06 19:10:27,244 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-01-06 19:10:27,257 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 136. [2021-01-06 19:10:27,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2021-01-06 19:10:27,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 182 transitions. [2021-01-06 19:10:27,258 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 182 transitions. Word has length 31 [2021-01-06 19:10:27,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:27,259 INFO L481 AbstractCegarLoop]: Abstraction has 136 states and 182 transitions. [2021-01-06 19:10:27,259 INFO L482 AbstractCegarLoop]: Interpolant automaton has 6 states. [2021-01-06 19:10:27,259 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 182 transitions. [2021-01-06 19:10:27,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-01-06 19:10:27,260 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:27,260 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 19:10:27,260 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-01-06 19:10:27,260 INFO L429 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:27,261 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:27,261 INFO L82 PathProgramCache]: Analyzing trace with hash -476992912, now seen corresponding path program 1 times [2021-01-06 19:10:27,261 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:27,261 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115270685] [2021-01-06 19:10:27,262 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:27,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:10:27,301 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 19:10:27,301 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115270685] [2021-01-06 19:10:27,302 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:10:27,302 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:10:27,302 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33701665] [2021-01-06 19:10:27,302 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:10:27,303 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:10:27,303 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:10:27,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:10:27,304 INFO L87 Difference]: Start difference. First operand 136 states and 182 transitions. Second operand 3 states. [2021-01-06 19:10:27,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:10:27,334 INFO L93 Difference]: Finished difference Result 316 states and 422 transitions. [2021-01-06 19:10:27,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:10:27,334 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 31 [2021-01-06 19:10:27,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:10:27,336 INFO L225 Difference]: With dead ends: 316 [2021-01-06 19:10:27,336 INFO L226 Difference]: Without dead ends: 186 [2021-01-06 19:10:27,337 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 19:10:27,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2021-01-06 19:10:27,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 186. [2021-01-06 19:10:27,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 186 states. [2021-01-06 19:10:27,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 186 states to 186 states and 242 transitions. [2021-01-06 19:10:27,356 INFO L78 Accepts]: Start accepts. Automaton has 186 states and 242 transitions. Word has length 31 [2021-01-06 19:10:27,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:10:27,357 INFO L481 AbstractCegarLoop]: Abstraction has 186 states and 242 transitions. [2021-01-06 19:10:27,357 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:10:27,357 INFO L276 IsEmpty]: Start isEmpty. Operand 186 states and 242 transitions. [2021-01-06 19:10:27,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2021-01-06 19:10:27,358 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:10:27,358 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 19:10:27,358 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-01-06 19:10:27,358 INFO L429 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:10:27,359 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:10:27,359 INFO L82 PathProgramCache]: Analyzing trace with hash 1705214514, now seen corresponding path program 1 times [2021-01-06 19:10:27,359 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:10:27,359 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2047986143] [2021-01-06 19:10:27,360 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:10:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:10:27,426 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:10:27,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:10:27,487 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:10:27,536 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 19:10:27,536 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 19:10:27,537 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-01-06 19:10:27,689 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:10:27 BoogieIcfgContainer [2021-01-06 19:10:27,689 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:10:27,690 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:10:27,690 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:10:27,691 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:10:27,691 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:10:24" (3/4) ... [2021-01-06 19:10:27,693 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 19:10:27,784 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec1_product37.cil.c-witness.graphml [2021-01-06 19:10:27,784 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:10:27,787 INFO L168 Benchmark]: Toolchain (without parser) took 5060.49 ms. Allocated memory was 151.0 MB in the beginning and 194.0 MB in the end (delta: 43.0 MB). Free memory was 124.6 MB in the beginning and 149.9 MB in the end (delta: -25.3 MB). Peak memory consumption was 19.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:27,787 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:10:27,788 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.02 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 102.5 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:27,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 97.04 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 99.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:27,789 INFO L168 Benchmark]: Boogie Preprocessor took 85.33 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 131.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:27,789 INFO L168 Benchmark]: RCFGBuilder took 1235.63 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 69.9 MB in the end (delta: 61.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:27,790 INFO L168 Benchmark]: TraceAbstraction took 2813.83 ms. Allocated memory was 151.0 MB in the beginning and 194.0 MB in the end (delta: 43.0 MB). Free memory was 69.3 MB in the beginning and 163.0 MB in the end (delta: -93.7 MB). Peak memory consumption was 54.3 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:27,791 INFO L168 Benchmark]: Witness Printer took 94.20 ms. Allocated memory is still 194.0 MB. Free memory was 163.0 MB in the beginning and 149.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:10:27,797 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 151.0 MB. Free memory is still 123.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 725.02 ms. Allocated memory is still 151.0 MB. Free memory was 124.4 MB in the beginning and 102.5 MB in the end (delta: 21.9 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 97.04 ms. Allocated memory is still 151.0 MB. Free memory was 102.5 MB in the beginning and 99.0 MB in the end (delta: 3.5 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 85.33 ms. Allocated memory is still 151.0 MB. Free memory was 99.0 MB in the beginning and 131.7 MB in the end (delta: -32.7 MB). Peak memory consumption was 5.7 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1235.63 ms. Allocated memory is still 151.0 MB. Free memory was 131.7 MB in the beginning and 69.9 MB in the end (delta: 61.8 MB). Peak memory consumption was 61.9 MB. Max. memory is 8.0 GB. * TraceAbstraction took 2813.83 ms. Allocated memory was 151.0 MB in the beginning and 194.0 MB in the end (delta: 43.0 MB). Free memory was 69.3 MB in the beginning and 163.0 MB in the end (delta: -93.7 MB). Peak memory consumption was 54.3 MB. Max. memory is 8.0 GB. * Witness Printer took 94.20 ms. Allocated memory is still 194.0 MB. Free memory was 163.0 MB in the beginning and 149.9 MB in the end (delta: 13.1 MB). Peak memory consumption was 13.6 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 545]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L211] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L408] int cleanupTimeShifts = 4; [L590] int pumpRunning = 0; [L591] int systemActive = 1; [L834] int waterLevel = 1; [L835] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L489] int retValue_acc ; [L490] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L576] int retValue_acc ; [L579] retValue_acc = 1 [L580] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L496] tmp = valid_product() [L498] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L769] int splverifierCounter ; [L770] int tmp ; [L771] int tmp___0 ; [L772] int tmp___1 ; [L773] int tmp___2 ; [L776] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L778] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L780] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L786] tmp = __VERIFIER_nondet_int() [L788] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L852] COND TRUE waterLevel < 2 [L853] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L796] tmp___0 = __VERIFIER_nondet_int() [L798] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L864] COND FALSE !(\read(methaneLevelCritical)) [L867] methaneLevelCritical = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L806] tmp___2 = __VERIFIER_nondet_int() [L808] COND TRUE \read(tmp___2) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L597] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L604] COND TRUE \read(systemActive) [L652] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L655] COND FALSE !(\read(pumpRunning)) [L626] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L629] COND TRUE ! pumpRunning [L749] int retValue_acc ; [L750] int tmp ; [L751] int tmp___0 ; [L914] int retValue_acc ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L917] COND FALSE !(waterLevel < 2) [L921] retValue_acc = 0 [L922] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L755] tmp = isHighWaterSensorDry() [L757] COND FALSE !(\read(tmp)) [L760] tmp___0 = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L762] retValue_acc = tmp___0 [L763] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=0, systemActive=1, waterLevel=2] [L631] tmp = isHighWaterLevel() [L633] COND TRUE \read(tmp) [L680] pumpRunning = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L516] int tmp ; [L517] int tmp___0 ; [L873] int retValue_acc ; [L876] retValue_acc = methaneLevelCritical [L877] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L521] tmp = isMethaneLevelCritical() [L523] COND TRUE \read(tmp) [L704] int retValue_acc ; [L707] retValue_acc = pumpRunning [L708] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L525] tmp___0 = isPumpRunning() [L527] COND TRUE \read(tmp___0) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] [L545] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=1, pumpRunning=1, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 111 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 2.5s, OverallIterations: 10, TraceHistogramMax: 1, AutomataDifference: 0.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 783 SDtfs, 1159 SDslu, 984 SDs, 0 SdLazy, 156 SolverSat, 35 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.3s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 55 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=186occurred 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: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 521 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 264 NumberOfCodeBlocks, 264 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 223 ConstructedInterpolants, 0 QuantifiedInterpolants, 12402 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 9 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...