/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.1-bitabs-178dd20 [2021-01-06 19:12:24,143 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-01-06 19:12:24,147 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-01-06 19:12:24,198 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-01-06 19:12:24,199 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-01-06 19:12:24,203 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-01-06 19:12:24,206 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-01-06 19:12:24,211 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-01-06 19:12:24,222 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-01-06 19:12:24,228 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-01-06 19:12:24,229 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-01-06 19:12:24,230 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-01-06 19:12:24,231 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-01-06 19:12:24,232 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-01-06 19:12:24,238 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-01-06 19:12:24,239 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-01-06 19:12:24,240 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-01-06 19:12:24,242 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-01-06 19:12:24,247 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-01-06 19:12:24,251 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-01-06 19:12:24,253 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-01-06 19:12:24,257 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-01-06 19:12:24,259 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-01-06 19:12:24,260 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-01-06 19:12:24,271 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-01-06 19:12:24,271 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-01-06 19:12:24,271 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-01-06 19:12:24,272 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-01-06 19:12:24,273 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-01-06 19:12:24,274 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-01-06 19:12:24,275 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-01-06 19:12:24,276 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-01-06 19:12:24,277 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-01-06 19:12:24,278 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-01-06 19:12:24,279 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-01-06 19:12:24,279 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-01-06 19:12:24,281 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-01-06 19:12:24,281 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-01-06 19:12:24,281 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-01-06 19:12:24,282 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-01-06 19:12:24,283 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-01-06 19:12:24,284 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-01-06 19:12:24,309 INFO L113 SettingsManager]: Loading preferences was successful [2021-01-06 19:12:24,310 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-01-06 19:12:24,311 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-01-06 19:12:24,311 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-01-06 19:12:24,311 INFO L138 SettingsManager]: * Use SBE=true [2021-01-06 19:12:24,312 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-01-06 19:12:24,312 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-01-06 19:12:24,312 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-01-06 19:12:24,312 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-01-06 19:12:24,313 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-01-06 19:12:24,313 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-01-06 19:12:24,313 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-01-06 19:12:24,313 INFO L138 SettingsManager]: * Use constant arrays=true [2021-01-06 19:12:24,313 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-01-06 19:12:24,314 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-01-06 19:12:24,314 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-01-06 19:12:24,314 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-01-06 19:12:24,314 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:24,314 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-01-06 19:12:24,315 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-01-06 19:12:24,315 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-01-06 19:12:24,315 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-01-06 19:12:24,315 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-01-06 19:12:24,315 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-01-06 19:12:24,316 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-01-06 19:12:24,316 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2021-01-06 19:12:24,673 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-01-06 19:12:24,707 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-01-06 19:12:24,712 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-01-06 19:12:24,713 INFO L271 PluginConnector]: Initializing CDTParser... [2021-01-06 19:12:24,714 INFO L275 PluginConnector]: CDTParser initialized [2021-01-06 19:12:24,715 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2021-01-06 19:12:24,801 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/59fbe1b15/8f34871dacf841d3921a718412c70282/FLAG6d5bed561 [2021-01-06 19:12:25,597 INFO L306 CDTParser]: Found 1 translation units. [2021-01-06 19:12:25,598 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c [2021-01-06 19:12:25,618 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/59fbe1b15/8f34871dacf841d3921a718412c70282/FLAG6d5bed561 [2021-01-06 19:12:25,851 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/data/59fbe1b15/8f34871dacf841d3921a718412c70282 [2021-01-06 19:12:25,854 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-01-06 19:12:25,857 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-01-06 19:12:25,858 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:25,859 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-01-06 19:12:25,862 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-01-06 19:12:25,863 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:25" (1/1) ... [2021-01-06 19:12:25,864 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@218daa3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:25, skipping insertion in model container [2021-01-06 19:12:25,865 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.01 07:12:25" (1/1) ... [2021-01-06 19:12:25,873 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-01-06 19:12:25,911 INFO L178 MainTranslator]: Built tables and reachable declarations left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~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~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:26,243 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c[17631,17644] [2021-01-06 19:12:26,252 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:26,271 INFO L203 MainTranslator]: Completed pre-run left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~1,] left hand side expression in assignment: lhs: VariableLHS[~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~2,] 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~2,] left hand side expression in assignment: lhs: VariableLHS[~mem_24~0,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~2,] 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~3,] 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~4,] 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~5,] left hand side expression in assignment: lhs: VariableLHS[~tmp~4,] left hand side expression in assignment: lhs: VariableLHS[~tmp___0~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp___1~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~5,] 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~6,] 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[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~systemActive~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~splverifierCounter~0,] left hand side expression in assignment: lhs: VariableLHS[~tmp~7,] 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___1~1,] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~waterLevel~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~methaneLevelCritical~0,GLOBAL] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~9,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~10,] left hand side expression in assignment: lhs: VariableLHS[~retValue_acc~11,] [2021-01-06 19:12:26,365 WARN L226 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate-bitabs/releaseScripts/default/sv-benchmarks/c/product-lines/minepump_spec3_product20.cil.c[17631,17644] [2021-01-06 19:12:26,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-01-06 19:12:26,405 INFO L208 MainTranslator]: Completed translation [2021-01-06 19:12:26,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26 WrapperNode [2021-01-06 19:12:26,406 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-01-06 19:12:26,407 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:26,407 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-01-06 19:12:26,408 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-01-06 19:12:26,416 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,436 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,498 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-01-06 19:12:26,499 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-01-06 19:12:26,500 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-01-06 19:12:26,500 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-01-06 19:12:26,513 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,514 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,532 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,532 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,555 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,571 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,580 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... [2021-01-06 19:12:26,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-01-06 19:12:26,591 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-01-06 19:12:26,591 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-01-06 19:12:26,591 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-01-06 19:12:26,592 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (1/1) ... No working directory specified, using /storage/repos/ultimate-bitabs/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-01-06 19:12:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-01-06 19:12:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-01-06 19:12:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-01-06 19:12:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-01-06 19:12:27,654 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-01-06 19:12:27,654 INFO L299 CfgBuilder]: Removed 108 assume(true) statements. [2021-01-06 19:12:27,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:27 BoogieIcfgContainer [2021-01-06 19:12:27,656 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-01-06 19:12:27,658 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-01-06 19:12:27,658 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-01-06 19:12:27,661 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-01-06 19:12:27,661 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.01 07:12:25" (1/3) ... [2021-01-06 19:12:27,662 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4f10d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:27, skipping insertion in model container [2021-01-06 19:12:27,662 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.01 07:12:26" (2/3) ... [2021-01-06 19:12:27,663 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4f10d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.01 07:12:27, skipping insertion in model container [2021-01-06 19:12:27,663 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:27" (3/3) ... [2021-01-06 19:12:27,665 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product20.cil.c [2021-01-06 19:12:27,671 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-01-06 19:12:27,676 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2021-01-06 19:12:27,694 INFO L253 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-01-06 19:12:27,719 INFO L377 AbstractCegarLoop]: Interprodecural is true [2021-01-06 19:12:27,719 INFO L378 AbstractCegarLoop]: Hoare is true [2021-01-06 19:12:27,720 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2021-01-06 19:12:27,720 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2021-01-06 19:12:27,720 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-01-06 19:12:27,720 INFO L382 AbstractCegarLoop]: Difference is false [2021-01-06 19:12:27,720 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-01-06 19:12:27,721 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2021-01-06 19:12:27,737 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states. [2021-01-06 19:12:27,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-01-06 19:12:27,743 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:27,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:27,744 INFO L429 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:27,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:27,749 INFO L82 PathProgramCache]: Analyzing trace with hash -93315333, now seen corresponding path program 1 times [2021-01-06 19:12:27,757 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:27,758 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1021812994] [2021-01-06 19:12:27,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:27,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:28,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:28,048 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1021812994] [2021-01-06 19:12:28,049 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:28,050 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-01-06 19:12:28,050 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1023092530] [2021-01-06 19:12:28,055 INFO L461 AbstractCegarLoop]: Interpolant automaton has 2 states [2021-01-06 19:12:28,055 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:28,070 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-01-06 19:12:28,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:28,073 INFO L87 Difference]: Start difference. First operand 83 states. Second operand 2 states. [2021-01-06 19:12:28,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:28,103 INFO L93 Difference]: Finished difference Result 160 states and 239 transitions. [2021-01-06 19:12:28,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-01-06 19:12:28,105 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2021-01-06 19:12:28,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:28,117 INFO L225 Difference]: With dead ends: 160 [2021-01-06 19:12:28,118 INFO L226 Difference]: Without dead ends: 79 [2021-01-06 19:12:28,125 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-01-06 19:12:28,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 79 states. [2021-01-06 19:12:28,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 79 to 79. [2021-01-06 19:12:28,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2021-01-06 19:12:28,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 111 transitions. [2021-01-06 19:12:28,171 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 111 transitions. Word has length 18 [2021-01-06 19:12:28,172 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:28,172 INFO L481 AbstractCegarLoop]: Abstraction has 79 states and 111 transitions. [2021-01-06 19:12:28,172 INFO L482 AbstractCegarLoop]: Interpolant automaton has 2 states. [2021-01-06 19:12:28,172 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 111 transitions. [2021-01-06 19:12:28,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-01-06 19:12:28,174 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:28,174 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:28,174 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-01-06 19:12:28,175 INFO L429 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:28,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:28,176 INFO L82 PathProgramCache]: Analyzing trace with hash -1004346086, now seen corresponding path program 1 times [2021-01-06 19:12:28,176 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:28,176 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075020789] [2021-01-06 19:12:28,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:28,316 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:28,317 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075020789] [2021-01-06 19:12:28,317 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:28,317 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-01-06 19:12:28,318 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1034862589] [2021-01-06 19:12:28,322 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2021-01-06 19:12:28,323 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:28,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-01-06 19:12:28,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:28,324 INFO L87 Difference]: Start difference. First operand 79 states and 111 transitions. Second operand 3 states. [2021-01-06 19:12:28,347 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:28,348 INFO L93 Difference]: Finished difference Result 79 states and 111 transitions. [2021-01-06 19:12:28,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-01-06 19:12:28,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2021-01-06 19:12:28,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:28,350 INFO L225 Difference]: With dead ends: 79 [2021-01-06 19:12:28,351 INFO L226 Difference]: Without dead ends: 37 [2021-01-06 19:12:28,352 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-01-06 19:12:28,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2021-01-06 19:12:28,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2021-01-06 19:12:28,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2021-01-06 19:12:28,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 52 transitions. [2021-01-06 19:12:28,359 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 52 transitions. Word has length 19 [2021-01-06 19:12:28,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:28,360 INFO L481 AbstractCegarLoop]: Abstraction has 37 states and 52 transitions. [2021-01-06 19:12:28,360 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2021-01-06 19:12:28,360 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 52 transitions. [2021-01-06 19:12:28,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-01-06 19:12:28,361 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:28,362 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:28,362 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-01-06 19:12:28,362 INFO L429 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:28,363 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:28,363 INFO L82 PathProgramCache]: Analyzing trace with hash 2100491951, now seen corresponding path program 1 times [2021-01-06 19:12:28,364 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:28,364 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [33266690] [2021-01-06 19:12:28,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:28,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:28,464 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:28,464 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [33266690] [2021-01-06 19:12:28,465 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:28,465 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-01-06 19:12:28,465 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046953403] [2021-01-06 19:12:28,466 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:28,466 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:28,467 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:28,467 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:28,467 INFO L87 Difference]: Start difference. First operand 37 states and 52 transitions. Second operand 5 states. [2021-01-06 19:12:28,581 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:28,582 INFO L93 Difference]: Finished difference Result 93 states and 135 transitions. [2021-01-06 19:12:28,582 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-01-06 19:12:28,583 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 24 [2021-01-06 19:12:28,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:28,585 INFO L225 Difference]: With dead ends: 93 [2021-01-06 19:12:28,586 INFO L226 Difference]: Without dead ends: 62 [2021-01-06 19:12:28,589 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:28,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2021-01-06 19:12:28,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 58. [2021-01-06 19:12:28,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2021-01-06 19:12:28,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2021-01-06 19:12:28,619 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 24 [2021-01-06 19:12:28,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:28,620 INFO L481 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2021-01-06 19:12:28,622 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:28,623 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2021-01-06 19:12:28,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-01-06 19:12:28,624 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:28,624 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-01-06 19:12:28,624 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-01-06 19:12:28,625 INFO L429 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:28,627 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:28,627 INFO L82 PathProgramCache]: Analyzing trace with hash -1826320204, now seen corresponding path program 1 times [2021-01-06 19:12:28,627 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:28,628 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976318094] [2021-01-06 19:12:28,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:28,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-01-06 19:12:28,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-01-06 19:12:28,760 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976318094] [2021-01-06 19:12:28,760 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-01-06 19:12:28,760 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-01-06 19:12:28,760 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118318007] [2021-01-06 19:12:28,761 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2021-01-06 19:12:28,761 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-01-06 19:12:28,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-01-06 19:12:28,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-01-06 19:12:28,763 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand 5 states. [2021-01-06 19:12:28,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-01-06 19:12:28,928 INFO L93 Difference]: Finished difference Result 306 states and 467 transitions. [2021-01-06 19:12:28,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-01-06 19:12:28,930 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 25 [2021-01-06 19:12:28,931 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-01-06 19:12:28,935 INFO L225 Difference]: With dead ends: 306 [2021-01-06 19:12:28,936 INFO L226 Difference]: Without dead ends: 254 [2021-01-06 19:12:28,937 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-01-06 19:12:28,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2021-01-06 19:12:28,975 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 104. [2021-01-06 19:12:28,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2021-01-06 19:12:28,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 149 transitions. [2021-01-06 19:12:28,976 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 149 transitions. Word has length 25 [2021-01-06 19:12:28,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-01-06 19:12:28,977 INFO L481 AbstractCegarLoop]: Abstraction has 104 states and 149 transitions. [2021-01-06 19:12:28,977 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2021-01-06 19:12:28,980 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 149 transitions. [2021-01-06 19:12:28,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-01-06 19:12:28,981 INFO L414 BasicCegarLoop]: Found error trace [2021-01-06 19:12:28,982 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] [2021-01-06 19:12:28,983 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-01-06 19:12:28,983 INFO L429 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION]=== [2021-01-06 19:12:28,984 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-01-06 19:12:28,984 INFO L82 PathProgramCache]: Analyzing trace with hash 509338102, now seen corresponding path program 1 times [2021-01-06 19:12:28,984 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-01-06 19:12:28,985 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83529325] [2021-01-06 19:12:28,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-01-06 19:12:29,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:12:29,110 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:12:29,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-01-06 19:12:29,201 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-01-06 19:12:29,255 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-01-06 19:12:29,255 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2021-01-06 19:12:29,255 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-01-06 19:12:29,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 06.01 07:12:29 BoogieIcfgContainer [2021-01-06 19:12:29,362 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-01-06 19:12:29,362 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-01-06 19:12:29,362 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-01-06 19:12:29,363 INFO L275 PluginConnector]: Witness Printer initialized [2021-01-06 19:12:29,363 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.01 07:12:27" (3/4) ... [2021-01-06 19:12:29,366 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-01-06 19:12:29,464 INFO L141 WitnessManager]: Wrote witness to /storage/repos/svcomp/c/product-lines/minepump_spec3_product20.cil.c-witness.graphml [2021-01-06 19:12:29,464 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-01-06 19:12:29,468 INFO L168 Benchmark]: Toolchain (without parser) took 3609.76 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 153.4 MB in the beginning and 123.7 MB in the end (delta: 29.7 MB). Peak memory consumption was 67.8 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:29,468 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 179.3 MB. Free memory is still 149.8 MB. There was no memory consumed. Max. memory is 8.0 GB. [2021-01-06 19:12:29,469 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.87 ms. Allocated memory is still 179.3 MB. Free memory was 153.2 MB in the beginning and 132.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:29,472 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.55 ms. Allocated memory is still 179.3 MB. Free memory was 132.1 MB in the beginning and 129.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:29,473 INFO L168 Benchmark]: Boogie Preprocessor took 88.99 ms. Allocated memory is still 179.3 MB. Free memory was 129.0 MB in the beginning and 126.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:29,473 INFO L168 Benchmark]: RCFGBuilder took 1064.83 ms. Allocated memory is still 179.3 MB. Free memory was 126.8 MB in the beginning and 108.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:29,475 INFO L168 Benchmark]: TraceAbstraction took 1704.13 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 107.6 MB in the beginning and 134.7 MB in the end (delta: -27.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:29,476 INFO L168 Benchmark]: Witness Printer took 102.41 ms. Allocated memory is still 216.0 MB. Free memory was 134.7 MB in the beginning and 123.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. [2021-01-06 19:12:29,482 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 179.3 MB. Free memory is still 149.8 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 547.87 ms. Allocated memory is still 179.3 MB. Free memory was 153.2 MB in the beginning and 132.1 MB in the end (delta: 21.1 MB). Peak memory consumption was 22.0 MB. Max. memory is 8.0 GB. * Boogie Procedure Inliner took 91.55 ms. Allocated memory is still 179.3 MB. Free memory was 132.1 MB in the beginning and 129.0 MB in the end (delta: 3.1 MB). Peak memory consumption was 3.1 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 88.99 ms. Allocated memory is still 179.3 MB. Free memory was 129.0 MB in the beginning and 126.8 MB in the end (delta: 2.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1064.83 ms. Allocated memory is still 179.3 MB. Free memory was 126.8 MB in the beginning and 108.1 MB in the end (delta: 18.7 MB). Peak memory consumption was 19.4 MB. Max. memory is 8.0 GB. * TraceAbstraction took 1704.13 ms. Allocated memory was 179.3 MB in the beginning and 216.0 MB in the end (delta: 36.7 MB). Free memory was 107.6 MB in the beginning and 134.7 MB in the end (delta: -27.1 MB). Peak memory consumption was 9.6 MB. Max. memory is 8.0 GB. * Witness Printer took 102.41 ms. Allocated memory is still 216.0 MB. Free memory was 134.7 MB in the beginning and 123.7 MB in the end (delta: 11.0 MB). Peak memory consumption was 11.5 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 929]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L249] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; [L446] int cleanupTimeShifts = 4; [L592] int pumpRunning = 0; [L593] int systemActive = 1; [L836] int waterLevel = 1; [L837] int methaneLevelCritical = 0; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L524] int retValue_acc ; [L525] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L71] int retValue_acc ; [L74] retValue_acc = 1 [L75] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L531] tmp = valid_product() [L533] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L768] int splverifierCounter ; [L769] int tmp ; [L770] int tmp___0 ; [L771] int tmp___1 ; [L772] int tmp___2 ; [L775] splverifierCounter = 0 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L777] COND TRUE 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L779] COND TRUE splverifierCounter < 4 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L785] tmp = __VERIFIER_nondet_int() [L787] COND TRUE \read(tmp) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L854] COND TRUE waterLevel < 2 [L855] waterLevel = waterLevel + 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L795] tmp___0 = __VERIFIER_nondet_int() [L797] COND FALSE !(\read(tmp___0)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L805] tmp___2 = __VERIFIER_nondet_int() [L807] COND TRUE \read(tmp___2) [L762] systemActive = 1 VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L599] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L606] COND TRUE \read(systemActive) [L628] int tmp ; VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L631] COND FALSE !(\read(pumpRunning)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L552] int tmp ; [L553] int tmp___0 ; [L554] int tmp___1 ; [L875] int retValue_acc ; [L878] retValue_acc = methaneLevelCritical [L879] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L558] tmp = isMethaneLevelCritical() [L560] COND FALSE !(\read(tmp)) [L907] int retValue_acc ; [L910] retValue_acc = waterLevel [L911] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L564] tmp___0 = getWaterLevel() [L566] COND TRUE tmp___0 == 2 [L680] int retValue_acc ; [L683] retValue_acc = pumpRunning [L684] return (retValue_acc); VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L568] tmp___1 = isPumpRunning() [L570] COND FALSE !(\read(tmp___1)) VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L929] reach_error() VAL [cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 83 locations, 3 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 1.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 297 SDtfs, 480 SDslu, 240 SDs, 0 SdLazy, 48 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=104occurred in iteration=4, 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, 4 MinimizatonAttempts, 154 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 112 NumberOfCodeBlocks, 112 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 3028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...