./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 09:51:27,631 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:51:27,633 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:51:27,702 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:51:27,703 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:51:27,708 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:51:27,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:51:27,715 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:51:27,718 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:51:27,726 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:51:27,727 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:51:27,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:51:27,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:51:27,732 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:51:27,734 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:51:27,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:51:27,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:51:27,737 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:51:27,739 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:51:27,741 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:51:27,743 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:51:27,747 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:51:27,749 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:51:27,750 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:51:27,753 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:51:27,754 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:51:27,754 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:51:27,755 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:51:27,756 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:51:27,757 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:51:27,757 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:51:27,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:51:27,759 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:51:27,760 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:51:27,761 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:51:27,762 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:51:27,762 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:51:27,763 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:51:27,763 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:51:27,764 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:51:27,765 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:51:27,767 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:51:27,808 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:51:27,811 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:51:27,812 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:51:27,812 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:51:27,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:51:27,820 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:51:27,820 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:51:27,821 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:51:27,821 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:51:27,821 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:51:27,822 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:51:27,822 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:51:27,823 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:51:27,823 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:51:27,823 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:51:27,823 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:51:27,824 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:51:27,824 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:51:27,824 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:51:27,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:51:27,824 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:51:27,825 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:51:27,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:51:27,825 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:51:27,825 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:51:27,826 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:51:27,826 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:51:27,826 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:51:27,826 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:51:27,826 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:51:27,827 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:51:27,827 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:51:27,827 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:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 653672bd839f3a147b3f28538328e3e5032963608595336a23f534aa316d712b [2021-10-28 09:51:28,097 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:51:28,123 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:51:28,152 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:51:28,153 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:51:28,154 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:51:28,155 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-10-28 09:51:28,239 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/data/645d17ff1/2521b43524ac41d690695bc4e8b76ef2/FLAG783e1fc07 [2021-10-28 09:51:28,716 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:51:28,717 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c [2021-10-28 09:51:28,739 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/data/645d17ff1/2521b43524ac41d690695bc4e8b76ef2/FLAG783e1fc07 [2021-10-28 09:51:29,080 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/data/645d17ff1/2521b43524ac41d690695bc4e8b76ef2 [2021-10-28 09:51:29,083 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:51:29,084 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:51:29,086 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:51:29,086 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:51:29,090 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:51:29,090 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7444ac7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29, skipping insertion in model container [2021-10-28 09:51:29,092 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,099 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:51:29,137 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:51:29,403 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2021-10-28 09:51:29,406 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:51:29,416 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:51:29,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/sv-benchmarks/c/product-lines/minepump_spec2_product02.cil.c[17174,17187] [2021-10-28 09:51:29,515 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:51:29,537 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:51:29,539 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29 WrapperNode [2021-10-28 09:51:29,540 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:51:29,541 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:51:29,541 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:51:29,541 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:51:29,549 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,566 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,628 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:51:29,629 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:51:29,629 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:51:29,629 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:51:29,636 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,637 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,640 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,641 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,650 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,655 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,658 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,662 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:51:29,663 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:51:29,663 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:51:29,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:51:29,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (1/1) ... [2021-10-28 09:51:29,672 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:51:29,686 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:51:29,721 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:51:29,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:51:29,758 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:51:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:51:29,759 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:51:29,759 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:51:30,443 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:51:30,445 INFO L299 CfgBuilder]: Removed 70 assume(true) statements. [2021-10-28 09:51:30,447 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:30 BoogieIcfgContainer [2021-10-28 09:51:30,448 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:51:30,450 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:51:30,450 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:51:30,454 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:51:30,454 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:51:29" (1/3) ... [2021-10-28 09:51:30,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaadd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:51:30, skipping insertion in model container [2021-10-28 09:51:30,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:51:29" (2/3) ... [2021-10-28 09:51:30,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eaadd75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:51:30, skipping insertion in model container [2021-10-28 09:51:30,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:30" (3/3) ... [2021-10-28 09:51:30,459 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product02.cil.c [2021-10-28 09:51:30,465 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:51:30,466 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:51:30,530 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:51:30,536 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-10-28 09:51:30,537 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:51:30,552 INFO L276 IsEmpty]: Start isEmpty. Operand has 61 states, 57 states have (on average 1.5964912280701755) internal successors, (91), 60 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:30,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-10-28 09:51:30,558 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:51:30,558 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:51:30,559 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:51:30,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:30,564 INFO L85 PathProgramCache]: Analyzing trace with hash -805652889, now seen corresponding path program 1 times [2021-10-28 09:51:30,571 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:30,571 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753034029] [2021-10-28 09:51:30,571 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:30,572 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:30,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:30,979 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:51:30,979 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753034029] [2021-10-28 09:51:30,980 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1753034029] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:51:30,980 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:51:30,980 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:51:30,988 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086928317] [2021-10-28 09:51:30,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:51:31,001 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:51:31,016 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:51:31,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:51:31,021 INFO L87 Difference]: Start difference. First operand has 61 states, 57 states have (on average 1.5964912280701755) internal successors, (91), 60 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,051 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:51:31,051 INFO L93 Difference]: Finished difference Result 115 states and 174 transitions. [2021-10-28 09:51:31,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:51:31,053 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-10-28 09:51:31,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:51:31,065 INFO L225 Difference]: With dead ends: 115 [2021-10-28 09:51:31,065 INFO L226 Difference]: Without dead ends: 57 [2021-10-28 09:51:31,069 INFO L786 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 [2021-10-28 09:51:31,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-28 09:51:31,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-28 09:51:31,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 54 states have (on average 1.462962962962963) internal successors, (79), 56 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 79 transitions. [2021-10-28 09:51:31,117 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 79 transitions. Word has length 18 [2021-10-28 09:51:31,118 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:51:31,119 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 79 transitions. [2021-10-28 09:51:31,119 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.0) internal successors, (18), 2 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,119 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 79 transitions. [2021-10-28 09:51:31,121 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-28 09:51:31,121 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:51:31,122 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:51:31,122 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:51:31,122 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:51:31,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:31,126 INFO L85 PathProgramCache]: Analyzing trace with hash -1024488858, now seen corresponding path program 1 times [2021-10-28 09:51:31,126 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:31,126 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [43302056] [2021-10-28 09:51:31,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:31,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:31,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:31,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:31,284 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:51:31,284 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [43302056] [2021-10-28 09:51:31,285 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [43302056] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:51:31,285 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:51:31,285 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:51:31,286 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2083357970] [2021-10-28 09:51:31,287 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:51:31,287 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:51:31,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:51:31,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:51:31,289 INFO L87 Difference]: Start difference. First operand 57 states and 79 transitions. Second operand has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:51:31,305 INFO L93 Difference]: Finished difference Result 57 states and 79 transitions. [2021-10-28 09:51:31,305 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:51:31,306 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-28 09:51:31,306 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:51:31,307 INFO L225 Difference]: With dead ends: 57 [2021-10-28 09:51:31,308 INFO L226 Difference]: Without dead ends: 29 [2021-10-28 09:51:31,309 INFO L786 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 [2021-10-28 09:51:31,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2021-10-28 09:51:31,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2021-10-28 09:51:31,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29 states, 28 states have (on average 1.4285714285714286) internal successors, (40), 28 states have internal predecessors, (40), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 40 transitions. [2021-10-28 09:51:31,324 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 40 transitions. Word has length 19 [2021-10-28 09:51:31,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:51:31,324 INFO L470 AbstractCegarLoop]: Abstraction has 29 states and 40 transitions. [2021-10-28 09:51:31,324 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.333333333333333) internal successors, (19), 3 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,325 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 40 transitions. [2021-10-28 09:51:31,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:51:31,326 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:51:31,327 INFO L513 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] [2021-10-28 09:51:31,327 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:51:31,328 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:51:31,328 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:31,329 INFO L85 PathProgramCache]: Analyzing trace with hash -2087364582, now seen corresponding path program 1 times [2021-10-28 09:51:31,329 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:31,330 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1462022085] [2021-10-28 09:51:31,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:31,332 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:31,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:31,459 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:31,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:51:31,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1462022085] [2021-10-28 09:51:31,463 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1462022085] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:51:31,464 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:51:31,464 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:51:31,464 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1803992862] [2021-10-28 09:51:31,466 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:51:31,466 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:51:31,467 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:51:31,467 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:51:31,468 INFO L87 Difference]: Start difference. First operand 29 states and 40 transitions. Second operand has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:51:31,585 INFO L93 Difference]: Finished difference Result 112 states and 172 transitions. [2021-10-28 09:51:31,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:51:31,586 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2021-10-28 09:51:31,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:51:31,589 INFO L225 Difference]: With dead ends: 112 [2021-10-28 09:51:31,589 INFO L226 Difference]: Without dead ends: 90 [2021-10-28 09:51:31,590 INFO L786 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 [2021-10-28 09:51:31,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2021-10-28 09:51:31,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 46. [2021-10-28 09:51:31,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 46 states, 45 states have (on average 1.4444444444444444) internal successors, (65), 45 states have internal predecessors, (65), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 46 states and 65 transitions. [2021-10-28 09:51:31,604 INFO L78 Accepts]: Start accepts. Automaton has 46 states and 65 transitions. Word has length 24 [2021-10-28 09:51:31,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:51:31,604 INFO L470 AbstractCegarLoop]: Abstraction has 46 states and 65 transitions. [2021-10-28 09:51:31,605 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.8) internal successors, (24), 4 states have internal predecessors, (24), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,605 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 65 transitions. [2021-10-28 09:51:31,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-10-28 09:51:31,606 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:51:31,606 INFO L513 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] [2021-10-28 09:51:31,606 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:51:31,607 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:51:31,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:51:31,607 INFO L85 PathProgramCache]: Analyzing trace with hash -837026654, now seen corresponding path program 1 times [2021-10-28 09:51:31,608 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:51:31,608 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289614377] [2021-10-28 09:51:31,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:51:31,608 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:51:31,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:51:31,669 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:51:31,670 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:51:31,670 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289614377] [2021-10-28 09:51:31,670 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [289614377] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:51:31,671 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:51:31,671 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:51:31,671 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [129327011] [2021-10-28 09:51:31,672 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:51:31,672 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:51:31,672 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:51:31,673 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:51:31,673 INFO L87 Difference]: Start difference. First operand 46 states and 65 transitions. Second operand has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:51:31,732 INFO L93 Difference]: Finished difference Result 132 states and 196 transitions. [2021-10-28 09:51:31,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:51:31,733 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-10-28 09:51:31,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:51:31,733 INFO L225 Difference]: With dead ends: 132 [2021-10-28 09:51:31,734 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:51:31,736 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:51:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:51:31,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:51:31,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:51:31,737 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 25 [2021-10-28 09:51:31,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:51:31,737 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:51:31,737 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.0) internal successors, (25), 4 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-28 09:51:31,737 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:51:31,738 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:51:31,740 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:51:31,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:51:31,741 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:51:31,742 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:51:31,744 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:51:31,749 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,752 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,753 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,776 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,777 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,778 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,779 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,794 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,795 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,796 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,797 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,798 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,805 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,819 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,837 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,850 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,856 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,857 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:51:31,927 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-28 09:51:31,928 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 601) no Hoare annotation was computed. [2021-10-28 09:51:31,928 INFO L857 garLoopResultBuilder]: For program point L597-1(lines 691 697) no Hoare annotation was computed. [2021-10-28 09:51:31,928 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:51:31,928 INFO L857 garLoopResultBuilder]: For program point L829(lines 829 835) no Hoare annotation was computed. [2021-10-28 09:51:31,929 INFO L853 garLoopResultBuilder]: At program point L829-1(lines 829 835) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:51:31,929 INFO L853 garLoopResultBuilder]: At program point L698(lines 698 704) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:51:31,929 INFO L853 garLoopResultBuilder]: At program point L698-1(lines 698 704) the Hoare annotation is: false [2021-10-28 09:51:31,929 INFO L853 garLoopResultBuilder]: At program point L698-2(lines 698 704) the Hoare annotation is: false [2021-10-28 09:51:31,930 INFO L857 garLoopResultBuilder]: For program point L847(lines 847 851) no Hoare annotation was computed. [2021-10-28 09:51:31,930 INFO L853 garLoopResultBuilder]: At program point L847-2(lines 691 697) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:51:31,931 INFO L853 garLoopResultBuilder]: At program point L137(lines 132 140) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:51:31,931 INFO L853 garLoopResultBuilder]: At program point L137-1(lines 132 140) the Hoare annotation is: false [2021-10-28 09:51:31,931 INFO L853 garLoopResultBuilder]: At program point L137-2(lines 132 140) the Hoare annotation is: false [2021-10-28 09:51:31,931 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 674) no Hoare annotation was computed. [2021-10-28 09:51:31,931 INFO L860 garLoopResultBuilder]: At program point L667-1(lines 667 674) the Hoare annotation is: true [2021-10-28 09:51:31,931 INFO L853 garLoopResultBuilder]: At program point L750(lines 745 753) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (= |ULTIMATE.start_isPumpRunning_#res| 0)) [2021-10-28 09:51:31,932 INFO L853 garLoopResultBuilder]: At program point L750-1(lines 745 753) the Hoare annotation is: false [2021-10-28 09:51:31,932 INFO L853 garLoopResultBuilder]: At program point L750-2(lines 745 753) the Hoare annotation is: false [2021-10-28 09:51:31,932 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:51:31,932 INFO L857 garLoopResultBuilder]: For program point L124(lines 124 128) no Hoare annotation was computed. [2021-10-28 09:51:31,933 INFO L853 garLoopResultBuilder]: At program point L75(lines 1 873) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 09:51:31,933 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-28 09:51:31,933 INFO L857 garLoopResultBuilder]: For program point L819(lines 819 825) no Hoare annotation was computed. [2021-10-28 09:51:31,933 INFO L853 garLoopResultBuilder]: At program point L819-1(lines 819 825) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:51:31,933 INFO L857 garLoopResultBuilder]: For program point L870(line 870) no Hoare annotation was computed. [2021-10-28 09:51:31,934 INFO L857 garLoopResultBuilder]: For program point L870-1(line 870) no Hoare annotation was computed. [2021-10-28 09:51:31,935 INFO L857 garLoopResultBuilder]: For program point L870-2(line 870) no Hoare annotation was computed. [2021-10-28 09:51:31,939 INFO L857 garLoopResultBuilder]: For program point L193(lines 193 210) no Hoare annotation was computed. [2021-10-28 09:51:31,939 INFO L853 garLoopResultBuilder]: At program point L193-1(lines 1 873) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:51:31,940 INFO L857 garLoopResultBuilder]: For program point L193-2(lines 193 210) no Hoare annotation was computed. [2021-10-28 09:51:31,943 INFO L853 garLoopResultBuilder]: At program point L193-3(lines 1 873) the Hoare annotation is: false [2021-10-28 09:51:31,943 INFO L857 garLoopResultBuilder]: For program point L193-4(lines 193 210) no Hoare annotation was computed. [2021-10-28 09:51:31,944 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:51:31,944 INFO L853 garLoopResultBuilder]: At program point L193-5(lines 1 873) the Hoare annotation is: false [2021-10-28 09:51:31,944 INFO L857 garLoopResultBuilder]: For program point L112(lines 112 116) no Hoare annotation was computed. [2021-10-28 09:51:31,944 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 852) no Hoare annotation was computed. [2021-10-28 09:51:31,946 INFO L853 garLoopResultBuilder]: At program point L691(lines 690 709) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0)) [2021-10-28 09:51:31,946 INFO L857 garLoopResultBuilder]: For program point L691-1(lines 691 697) no Hoare annotation was computed. [2021-10-28 09:51:31,946 INFO L853 garLoopResultBuilder]: At program point L691-2(lines 690 709) the Hoare annotation is: false [2021-10-28 09:51:31,946 INFO L853 garLoopResultBuilder]: At program point L691-3(lines 690 709) the Hoare annotation is: false [2021-10-28 09:51:31,946 INFO L853 garLoopResultBuilder]: At program point L642(lines 638 644) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 09:51:31,946 INFO L853 garLoopResultBuilder]: At program point L857(lines 808 858) the Hoare annotation is: false [2021-10-28 09:51:31,947 INFO L853 garLoopResultBuilder]: At program point L593-2(lines 593 607) the Hoare annotation is: false [2021-10-28 09:51:31,955 INFO L857 garLoopResultBuilder]: For program point L197(lines 197 207) no Hoare annotation was computed. [2021-10-28 09:51:31,956 INFO L860 garLoopResultBuilder]: At program point L676(lines 657 679) the Hoare annotation is: true [2021-10-28 09:51:31,956 INFO L857 garLoopResultBuilder]: For program point L197-2(lines 197 207) no Hoare annotation was computed. [2021-10-28 09:51:31,956 INFO L857 garLoopResultBuilder]: For program point L197-4(lines 197 207) no Hoare annotation was computed. [2021-10-28 09:51:31,956 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:51:31,956 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 870) no Hoare annotation was computed. [2021-10-28 09:51:31,956 INFO L857 garLoopResultBuilder]: For program point L594(line 594) no Hoare annotation was computed. [2021-10-28 09:51:31,957 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 204) no Hoare annotation was computed. [2021-10-28 09:51:31,957 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 204) no Hoare annotation was computed. [2021-10-28 09:51:31,957 INFO L857 garLoopResultBuilder]: For program point L198-4(lines 198 204) no Hoare annotation was computed. [2021-10-28 09:51:31,957 INFO L853 garLoopResultBuilder]: At program point L182(lines 177 184) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 09:51:31,957 INFO L853 garLoopResultBuilder]: At program point L83(lines 78 86) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0)) [2021-10-28 09:51:31,958 INFO L857 garLoopResultBuilder]: For program point L810(lines 809 856) no Hoare annotation was computed. [2021-10-28 09:51:31,958 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-10-28 09:51:31,958 INFO L857 garLoopResultBuilder]: For program point L100-3(lines 100 104) no Hoare annotation was computed. [2021-10-28 09:51:31,958 INFO L857 garLoopResultBuilder]: For program point L100-6(lines 100 104) no Hoare annotation was computed. [2021-10-28 09:51:31,959 INFO L857 garLoopResultBuilder]: For program point L811(lines 811 815) no Hoare annotation was computed. [2021-10-28 09:51:31,962 INFO L731 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1] [2021-10-28 09:51:31,964 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:51:31,983 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:51:31 BoogieIcfgContainer [2021-10-28 09:51:31,983 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:51:31,984 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:51:31,984 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:51:31,984 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:51:31,984 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:51:30" (3/4) ... [2021-10-28 09:51:31,988 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:51:32,008 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:51:32,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:51:32,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:51:32,010 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:51:32,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:51:32,011 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:51:32,012 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:51:32,045 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 [2021-10-28 09:51:32,102 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:51:32,102 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:51:32,104 INFO L168 Benchmark]: Toolchain (without parser) took 3018.53 ms. Allocated memory was 88.1 MB in the beginning and 127.9 MB in the end (delta: 39.8 MB). Free memory was 50.1 MB in the beginning and 96.1 MB in the end (delta: -46.0 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:51:32,106 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory was 68.1 MB in the beginning and 68.1 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:51:32,107 INFO L168 Benchmark]: CACSL2BoogieTranslator took 454.48 ms. Allocated memory was 88.1 MB in the beginning and 127.9 MB in the end (delta: 39.8 MB). Free memory was 49.9 MB in the beginning and 101.8 MB in the end (delta: -51.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:32,107 INFO L168 Benchmark]: Boogie Procedure Inliner took 87.49 ms. Allocated memory is still 127.9 MB. Free memory was 101.8 MB in the beginning and 98.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:32,108 INFO L168 Benchmark]: Boogie Preprocessor took 33.34 ms. Allocated memory is still 127.9 MB. Free memory was 98.8 MB in the beginning and 96.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:32,108 INFO L168 Benchmark]: RCFGBuilder took 784.68 ms. Allocated memory is still 127.9 MB. Free memory was 96.8 MB in the beginning and 58.8 MB in the end (delta: 38.0 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:32,109 INFO L168 Benchmark]: TraceAbstraction took 1532.95 ms. Allocated memory is still 127.9 MB. Free memory was 57.8 MB in the beginning and 101.4 MB in the end (delta: -43.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:32,109 INFO L168 Benchmark]: Witness Printer took 118.16 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 96.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-28 09:51:32,111 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 88.1 MB. Free memory was 68.1 MB in the beginning and 68.1 MB in the end (delta: 43.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 454.48 ms. Allocated memory was 88.1 MB in the beginning and 127.9 MB in the end (delta: 39.8 MB). Free memory was 49.9 MB in the beginning and 101.8 MB in the end (delta: -51.9 MB). Peak memory consumption was 16.0 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 87.49 ms. Allocated memory is still 127.9 MB. Free memory was 101.8 MB in the beginning and 98.8 MB in the end (delta: 3.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 33.34 ms. Allocated memory is still 127.9 MB. Free memory was 98.8 MB in the beginning and 96.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 784.68 ms. Allocated memory is still 127.9 MB. Free memory was 96.8 MB in the beginning and 58.8 MB in the end (delta: 38.0 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 1532.95 ms. Allocated memory is still 127.9 MB. Free memory was 57.8 MB in the beginning and 101.4 MB in the end (delta: -43.6 MB). Peak memory consumption was 18.2 MB. Max. memory is 16.1 GB. * Witness Printer took 118.16 ms. Allocated memory is still 127.9 MB. Free memory was 101.4 MB in the beginning and 96.1 MB in the end (delta: 5.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 870]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 61 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 1.4s, OverallIterations: 4, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 231 SDtfs, 205 SDslu, 241 SDs, 0 SdLazy, 35 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 19 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=61occurred in iteration=0, InterpolantAutomatonStates: 18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 44 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 26 LocationsWithAnnotation, 26 PreInvPairs, 67 NumberOfFragments, 101 HoareAnnotationTreeSize, 26 FomulaSimplifications, 1010 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 26 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 82 ConstructedInterpolants, 0 QuantifiedInterpolants, 168 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 - AllSpecificationsHoldResult: All specifications hold 3 specifications checked. All of them hold - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && \result == 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 593]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 638]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 819]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 78]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 745]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 698]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 132]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 691]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 808]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 829]: Loop Invariant Derived loop invariant: splverifierCounter == 0 && pumpRunning == 0 - InvariantResult [Line: 667]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 177]: Loop Invariant Derived loop invariant: pumpRunning == 0 && methaneLevelCritical == 0 RESULT: Ultimate proved your program to be correct! [2021-10-28 09:51:32,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_129cf56a-6f76-4e3f-b24b-019cc73f409a/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...