./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.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_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/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_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/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_382eb455-11ba-4753-88f2-4987ded48b84/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 7573d0f26b9c64760f56bc1038037f99fa78fd69add5234955c16ce4082df45a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 09:35:41,575 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 09:35:41,577 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 09:35:41,644 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 09:35:41,645 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 09:35:41,650 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 09:35:41,652 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 09:35:41,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 09:35:41,660 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 09:35:41,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 09:35:41,669 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 09:35:41,670 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 09:35:41,670 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 09:35:41,672 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 09:35:41,673 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 09:35:41,689 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 09:35:41,690 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 09:35:41,691 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 09:35:41,693 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 09:35:41,696 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 09:35:41,698 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 09:35:41,702 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 09:35:41,705 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 09:35:41,706 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 09:35:41,717 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 09:35:41,718 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 09:35:41,718 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 09:35:41,720 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 09:35:41,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 09:35:41,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 09:35:41,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 09:35:41,729 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 09:35:41,731 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 09:35:41,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 09:35:41,734 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 09:35:41,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 09:35:41,735 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 09:35:41,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 09:35:41,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 09:35:41,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 09:35:41,737 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 09:35:41,738 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-28 09:35:41,783 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 09:35:41,784 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 09:35:41,785 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 09:35:41,785 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 09:35:41,792 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 09:35:41,793 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 09:35:41,793 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 09:35:41,793 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 09:35:41,793 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 09:35:41,794 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 09:35:41,795 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 09:35:41,795 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 09:35:41,795 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-28 09:35:41,795 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-28 09:35:41,795 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-28 09:35:41,796 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 09:35:41,796 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 09:35:41,796 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 09:35:41,796 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-28 09:35:41,797 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 09:35:41,797 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 09:35:41,797 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-28 09:35:41,797 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:35:41,798 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 09:35:41,798 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-28 09:35:41,798 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-28 09:35:41,798 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 09:35:41,798 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-28 09:35:41,799 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-28 09:35:41,799 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-28 09:35:41,799 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-28 09:35:41,799 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 09:35:41,800 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_382eb455-11ba-4753-88f2-4987ded48b84/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7573d0f26b9c64760f56bc1038037f99fa78fd69add5234955c16ce4082df45a [2021-10-28 09:35:42,039 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 09:35:42,072 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 09:35:42,075 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 09:35:42,076 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 09:35:42,077 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 09:35:42,078 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/../../sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2021-10-28 09:35:42,146 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/data/1679faa9a/cd82daca24ce498eb1963808b641c861/FLAG61691e1b0 [2021-10-28 09:35:42,690 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 09:35:42,691 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c [2021-10-28 09:35:42,709 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/data/1679faa9a/cd82daca24ce498eb1963808b641c861/FLAG61691e1b0 [2021-10-28 09:35:43,006 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/data/1679faa9a/cd82daca24ce498eb1963808b641c861 [2021-10-28 09:35:43,009 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 09:35:43,010 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 09:35:43,012 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 09:35:43,012 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 09:35:43,015 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 09:35:43,016 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,017 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@654dfe19 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43, skipping insertion in model container [2021-10-28 09:35:43,018 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,024 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 09:35:43,068 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 09:35:43,358 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_382eb455-11ba-4753-88f2-4987ded48b84/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18691,18704] [2021-10-28 09:35:43,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:35:43,379 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 09:35:43,476 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_382eb455-11ba-4753-88f2-4987ded48b84/sv-benchmarks/c/product-lines/minepump_spec4_product57.cil.c[18691,18704] [2021-10-28 09:35:43,477 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 09:35:43,497 INFO L208 MainTranslator]: Completed translation [2021-10-28 09:35:43,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43 WrapperNode [2021-10-28 09:35:43,498 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 09:35:43,499 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 09:35:43,499 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 09:35:43,499 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 09:35:43,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,532 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,635 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 09:35:43,636 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 09:35:43,636 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 09:35:43,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 09:35:43,646 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,654 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,655 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,681 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,689 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,693 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,700 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 09:35:43,701 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 09:35:43,701 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 09:35:43,701 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 09:35:43,702 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (1/1) ... [2021-10-28 09:35:43,721 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-28 09:35:43,742 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:35:43,778 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-28 09:35:43,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-28 09:35:43,829 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 09:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 09:35:43,830 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 09:35:43,830 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 09:35:44,722 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 09:35:44,725 INFO L299 CfgBuilder]: Removed 192 assume(true) statements. [2021-10-28 09:35:44,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:35:44 BoogieIcfgContainer [2021-10-28 09:35:44,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 09:35:44,730 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-28 09:35:44,731 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-28 09:35:44,734 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-28 09:35:44,735 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.10 09:35:43" (1/3) ... [2021-10-28 09:35:44,736 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5193f5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:35:44, skipping insertion in model container [2021-10-28 09:35:44,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 09:35:43" (2/3) ... [2021-10-28 09:35:44,737 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5193f5de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.10 09:35:44, skipping insertion in model container [2021-10-28 09:35:44,737 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:35:44" (3/3) ... [2021-10-28 09:35:44,739 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product57.cil.c [2021-10-28 09:35:44,747 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-28 09:35:44,747 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-28 09:35:44,820 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-28 09:35:44,829 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 09:35:44,829 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-28 09:35:44,847 INFO L276 IsEmpty]: Start isEmpty. Operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 09:35:44,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-10-28 09:35:44,853 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:44,854 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:44,854 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 09:35:44,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:44,860 INFO L85 PathProgramCache]: Analyzing trace with hash 1916587088, now seen corresponding path program 1 times [2021-10-28 09:35:44,869 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:44,870 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1314125557] [2021-10-28 09:35:44,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:44,871 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:45,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:45,173 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 09:35:45,174 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:45,174 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1314125557] [2021-10-28 09:35:45,175 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1314125557] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:45,175 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:45,176 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:35:45,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1926954436] [2021-10-28 09:35:45,182 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-28 09:35:45,182 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:45,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-28 09:35:45,195 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-28 09:35:45,198 INFO L87 Difference]: Start difference. First operand has 135 states, 131 states have (on average 1.534351145038168) internal successors, (201), 134 states have internal predecessors, (201), 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 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 09:35:45,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:45,232 INFO L93 Difference]: Finished difference Result 264 states and 395 transitions. [2021-10-28 09:35:45,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-28 09:35:45,234 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 16 [2021-10-28 09:35:45,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:45,245 INFO L225 Difference]: With dead ends: 264 [2021-10-28 09:35:45,245 INFO L226 Difference]: Without dead ends: 131 [2021-10-28 09:35:45,248 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 09:35:45,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2021-10-28 09:35:45,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 131. [2021-10-28 09:35:45,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 128 states have (on average 1.4765625) internal successors, (189), 130 states have internal predecessors, (189), 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 09:35:45,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 189 transitions. [2021-10-28 09:35:45,297 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 189 transitions. Word has length 16 [2021-10-28 09:35:45,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:45,299 INFO L470 AbstractCegarLoop]: Abstraction has 131 states and 189 transitions. [2021-10-28 09:35:45,299 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.0) internal successors, (16), 2 states have internal predecessors, (16), 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 09:35:45,299 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 189 transitions. [2021-10-28 09:35:45,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-10-28 09:35:45,301 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:45,301 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:45,301 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-28 09:35:45,302 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 09:35:45,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:45,306 INFO L85 PathProgramCache]: Analyzing trace with hash 869830191, now seen corresponding path program 1 times [2021-10-28 09:35:45,306 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:45,307 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1853609089] [2021-10-28 09:35:45,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:45,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:45,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:45,456 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 09:35:45,456 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:45,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1853609089] [2021-10-28 09:35:45,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1853609089] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:45,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:45,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:35:45,457 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [10415970] [2021-10-28 09:35:45,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:35:45,459 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:45,460 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:35:45,460 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:35:45,460 INFO L87 Difference]: Start difference. First operand 131 states and 189 transitions. Second operand has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 09:35:45,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:45,480 INFO L93 Difference]: Finished difference Result 131 states and 189 transitions. [2021-10-28 09:35:45,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:35:45,481 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 17 [2021-10-28 09:35:45,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:45,483 INFO L225 Difference]: With dead ends: 131 [2021-10-28 09:35:45,484 INFO L226 Difference]: Without dead ends: 53 [2021-10-28 09:35:45,485 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 09:35:45,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-28 09:35:45,491 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-28 09:35:45,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4615384615384615) internal successors, (76), 52 states have internal predecessors, (76), 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 09:35:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 76 transitions. [2021-10-28 09:35:45,496 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 76 transitions. Word has length 17 [2021-10-28 09:35:45,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:45,496 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 76 transitions. [2021-10-28 09:35:45,496 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.666666666666667) internal successors, (17), 3 states have internal predecessors, (17), 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 09:35:45,497 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2021-10-28 09:35:45,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2021-10-28 09:35:45,498 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:45,499 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] [2021-10-28 09:35:45,499 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-28 09:35:45,500 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 09:35:45,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:45,502 INFO L85 PathProgramCache]: Analyzing trace with hash 105563969, now seen corresponding path program 1 times [2021-10-28 09:35:45,502 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:45,503 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1098531219] [2021-10-28 09:35:45,503 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:45,504 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:45,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:45,659 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 09:35:45,660 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:45,660 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1098531219] [2021-10-28 09:35:45,660 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1098531219] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:45,660 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:45,661 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:35:45,661 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1644395855] [2021-10-28 09:35:45,661 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:35:45,661 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:45,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:35:45,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:35:45,663 INFO L87 Difference]: Start difference. First operand 53 states and 76 transitions. Second operand has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 09:35:45,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:45,827 INFO L93 Difference]: Finished difference Result 100 states and 146 transitions. [2021-10-28 09:35:45,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:35:45,828 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 22 [2021-10-28 09:35:45,828 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:45,829 INFO L225 Difference]: With dead ends: 100 [2021-10-28 09:35:45,829 INFO L226 Difference]: Without dead ends: 53 [2021-10-28 09:35:45,829 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:35:45,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2021-10-28 09:35:45,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 53. [2021-10-28 09:35:45,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 52 states have (on average 1.4423076923076923) internal successors, (75), 52 states have internal predecessors, (75), 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 09:35:45,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 75 transitions. [2021-10-28 09:35:45,837 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 75 transitions. Word has length 22 [2021-10-28 09:35:45,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:45,837 INFO L470 AbstractCegarLoop]: Abstraction has 53 states and 75 transitions. [2021-10-28 09:35:45,838 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 5 states have internal predecessors, (22), 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 09:35:45,838 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 75 transitions. [2021-10-28 09:35:45,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2021-10-28 09:35:45,839 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:45,839 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 09:35:45,839 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-28 09:35:45,839 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 09:35:45,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:45,840 INFO L85 PathProgramCache]: Analyzing trace with hash -72226312, now seen corresponding path program 1 times [2021-10-28 09:35:45,840 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:45,840 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [428839948] [2021-10-28 09:35:45,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:45,841 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:45,962 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 09:35:45,962 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:45,963 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [428839948] [2021-10-28 09:35:45,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [428839948] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:45,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:45,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-28 09:35:45,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [163265218] [2021-10-28 09:35:45,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-28 09:35:45,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:45,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-28 09:35:45,965 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:35:45,965 INFO L87 Difference]: Start difference. First operand 53 states and 75 transitions. Second operand has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 09:35:46,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:46,012 INFO L93 Difference]: Finished difference Result 121 states and 174 transitions. [2021-10-28 09:35:46,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-28 09:35:46,013 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 09:35:46,013 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:46,014 INFO L225 Difference]: With dead ends: 121 [2021-10-28 09:35:46,014 INFO L226 Difference]: Without dead ends: 74 [2021-10-28 09:35:46,015 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-28 09:35:46,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2021-10-28 09:35:46,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 72. [2021-10-28 09:35:46,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 71 states have (on average 1.4225352112676057) internal successors, (101), 71 states have internal predecessors, (101), 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 09:35:46,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 101 transitions. [2021-10-28 09:35:46,025 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 101 transitions. Word has length 24 [2021-10-28 09:35:46,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:46,026 INFO L470 AbstractCegarLoop]: Abstraction has 72 states and 101 transitions. [2021-10-28 09:35:46,026 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.0) internal successors, (24), 2 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 09:35:46,026 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 101 transitions. [2021-10-28 09:35:46,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-10-28 09:35:46,027 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:46,028 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, 1, 1, 1, 1, 1] [2021-10-28 09:35:46,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-28 09:35:46,028 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:46,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:46,029 INFO L85 PathProgramCache]: Analyzing trace with hash 615192364, now seen corresponding path program 1 times [2021-10-28 09:35:46,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:46,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1601151398] [2021-10-28 09:35:46,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:46,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:46,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:46,102 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 09:35:46,102 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:46,102 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1601151398] [2021-10-28 09:35:46,103 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1601151398] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:46,103 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:46,103 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:35:46,103 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216236423] [2021-10-28 09:35:46,104 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:35:46,104 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:46,105 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:35:46,105 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:46,105 INFO L87 Difference]: Start difference. First operand 72 states and 101 transitions. Second operand has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 09:35:46,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:46,209 INFO L93 Difference]: Finished difference Result 253 states and 363 transitions. [2021-10-28 09:35:46,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:35:46,210 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 30 [2021-10-28 09:35:46,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:46,212 INFO L225 Difference]: With dead ends: 253 [2021-10-28 09:35:46,212 INFO L226 Difference]: Without dead ends: 187 [2021-10-28 09:35:46,213 INFO L786 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 [2021-10-28 09:35:46,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2021-10-28 09:35:46,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 115. [2021-10-28 09:35:46,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 114 states have (on average 1.3859649122807018) internal successors, (158), 114 states have internal predecessors, (158), 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 09:35:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 158 transitions. [2021-10-28 09:35:46,233 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 158 transitions. Word has length 30 [2021-10-28 09:35:46,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:46,233 INFO L470 AbstractCegarLoop]: Abstraction has 115 states and 158 transitions. [2021-10-28 09:35:46,234 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.0) internal successors, (30), 4 states have internal predecessors, (30), 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 09:35:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 158 transitions. [2021-10-28 09:35:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 09:35:46,235 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:46,235 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, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:46,236 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-28 09:35:46,236 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:46,237 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:46,237 INFO L85 PathProgramCache]: Analyzing trace with hash -1392623830, now seen corresponding path program 1 times [2021-10-28 09:35:46,237 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:46,237 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [883486653] [2021-10-28 09:35:46,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:46,238 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:46,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:46,329 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 09:35:46,331 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:46,331 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [883486653] [2021-10-28 09:35:46,331 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [883486653] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:46,332 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:46,332 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-28 09:35:46,332 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138793335] [2021-10-28 09:35:46,334 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:35:46,334 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:46,335 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:35:46,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:35:46,338 INFO L87 Difference]: Start difference. First operand 115 states and 158 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 09:35:46,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:46,499 INFO L93 Difference]: Finished difference Result 238 states and 334 transitions. [2021-10-28 09:35:46,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-28 09:35:46,504 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 31 [2021-10-28 09:35:46,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:46,506 INFO L225 Difference]: With dead ends: 238 [2021-10-28 09:35:46,506 INFO L226 Difference]: Without dead ends: 172 [2021-10-28 09:35:46,507 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:35:46,508 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2021-10-28 09:35:46,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 169. [2021-10-28 09:35:46,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.3869047619047619) internal successors, (233), 168 states have internal predecessors, (233), 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 09:35:46,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 233 transitions. [2021-10-28 09:35:46,529 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 233 transitions. Word has length 31 [2021-10-28 09:35:46,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:46,530 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 233 transitions. [2021-10-28 09:35:46,530 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 3 states have internal predecessors, (31), 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 09:35:46,530 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 233 transitions. [2021-10-28 09:35:46,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 09:35:46,532 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:46,532 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, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:46,532 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-28 09:35:46,532 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:46,533 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:46,533 INFO L85 PathProgramCache]: Analyzing trace with hash -1134458392, now seen corresponding path program 1 times [2021-10-28 09:35:46,533 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:46,534 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824669619] [2021-10-28 09:35:46,534 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:46,534 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:46,615 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 09:35:46,616 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:46,616 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824669619] [2021-10-28 09:35:46,616 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824669619] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:46,616 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:46,617 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-28 09:35:46,617 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1488497860] [2021-10-28 09:35:46,617 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-10-28 09:35:46,618 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:46,618 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-28 09:35:46,619 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-28 09:35:46,619 INFO L87 Difference]: Start difference. First operand 169 states and 233 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 09:35:46,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:46,679 INFO L93 Difference]: Finished difference Result 473 states and 664 transitions. [2021-10-28 09:35:46,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:35:46,680 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 31 [2021-10-28 09:35:46,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:46,683 INFO L225 Difference]: With dead ends: 473 [2021-10-28 09:35:46,683 INFO L226 Difference]: Without dead ends: 352 [2021-10-28 09:35:46,685 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:46,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2021-10-28 09:35:46,709 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 169. [2021-10-28 09:35:46,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 168 states have (on average 1.375) internal successors, (231), 168 states have internal predecessors, (231), 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 09:35:46,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 231 transitions. [2021-10-28 09:35:46,712 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 231 transitions. Word has length 31 [2021-10-28 09:35:46,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:46,712 INFO L470 AbstractCegarLoop]: Abstraction has 169 states and 231 transitions. [2021-10-28 09:35:46,713 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 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 09:35:46,713 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 231 transitions. [2021-10-28 09:35:46,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2021-10-28 09:35:46,714 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:46,715 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, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:46,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-28 09:35:46,715 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:46,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:46,716 INFO L85 PathProgramCache]: Analyzing trace with hash -1527485402, now seen corresponding path program 1 times [2021-10-28 09:35:46,716 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:46,716 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [88454005] [2021-10-28 09:35:46,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:46,717 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:46,794 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 09:35:46,794 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:46,795 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [88454005] [2021-10-28 09:35:46,795 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [88454005] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:46,795 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:46,795 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:35:46,796 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [919025120] [2021-10-28 09:35:46,796 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:35:46,797 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:46,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:35:46,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:35:46,798 INFO L87 Difference]: Start difference. First operand 169 states and 231 transitions. Second operand has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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 09:35:46,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:46,924 INFO L93 Difference]: Finished difference Result 592 states and 826 transitions. [2021-10-28 09:35:46,924 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-10-28 09:35:46,924 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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 31 [2021-10-28 09:35:46,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:46,927 INFO L225 Difference]: With dead ends: 592 [2021-10-28 09:35:46,927 INFO L226 Difference]: Without dead ends: 429 [2021-10-28 09:35:46,928 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-10-28 09:35:46,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 429 states. [2021-10-28 09:35:46,949 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 429 to 178. [2021-10-28 09:35:46,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 177 states have (on average 1.344632768361582) internal successors, (238), 177 states have internal predecessors, (238), 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 09:35:46,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 238 transitions. [2021-10-28 09:35:46,951 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 238 transitions. Word has length 31 [2021-10-28 09:35:46,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:46,952 INFO L470 AbstractCegarLoop]: Abstraction has 178 states and 238 transitions. [2021-10-28 09:35:46,952 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 4.428571428571429) internal successors, (31), 7 states have internal predecessors, (31), 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 09:35:46,952 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 238 transitions. [2021-10-28 09:35:46,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:35:46,954 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:46,954 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:46,954 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-28 09:35:46,955 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:46,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:46,955 INFO L85 PathProgramCache]: Analyzing trace with hash -987336539, now seen corresponding path program 1 times [2021-10-28 09:35:46,956 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:46,956 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801265408] [2021-10-28 09:35:46,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:46,956 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:46,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:47,018 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 09:35:47,019 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:47,019 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801265408] [2021-10-28 09:35:47,019 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1801265408] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:47,020 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:47,020 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:35:47,020 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [754970163] [2021-10-28 09:35:47,021 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:35:47,021 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:47,021 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:35:47,022 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:35:47,022 INFO L87 Difference]: Start difference. First operand 178 states and 238 transitions. Second operand has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 09:35:47,204 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:47,206 INFO L93 Difference]: Finished difference Result 912 states and 1223 transitions. [2021-10-28 09:35:47,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:35:47,208 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-28 09:35:47,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:47,213 INFO L225 Difference]: With dead ends: 912 [2021-10-28 09:35:47,214 INFO L226 Difference]: Without dead ends: 740 [2021-10-28 09:35:47,218 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:35:47,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 740 states. [2021-10-28 09:35:47,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 740 to 338. [2021-10-28 09:35:47,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 338 states, 337 states have (on average 1.3204747774480712) internal successors, (445), 337 states have internal predecessors, (445), 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 09:35:47,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 338 states and 445 transitions. [2021-10-28 09:35:47,273 INFO L78 Accepts]: Start accepts. Automaton has 338 states and 445 transitions. Word has length 34 [2021-10-28 09:35:47,275 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:47,275 INFO L470 AbstractCegarLoop]: Abstraction has 338 states and 445 transitions. [2021-10-28 09:35:47,275 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 5.666666666666667) internal successors, (34), 5 states have internal predecessors, (34), 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 09:35:47,275 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 445 transitions. [2021-10-28 09:35:47,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-10-28 09:35:47,283 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:47,284 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:47,284 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-28 09:35:47,284 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:47,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:47,285 INFO L85 PathProgramCache]: Analyzing trace with hash 787670823, now seen corresponding path program 1 times [2021-10-28 09:35:47,285 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:47,286 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1177030559] [2021-10-28 09:35:47,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:47,287 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:47,379 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 09:35:47,380 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:47,380 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1177030559] [2021-10-28 09:35:47,380 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1177030559] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:47,381 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:47,381 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:35:47,381 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [295752436] [2021-10-28 09:35:47,383 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:35:47,383 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:47,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:35:47,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:47,384 INFO L87 Difference]: Start difference. First operand 338 states and 445 transitions. Second operand has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 09:35:47,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:47,569 INFO L93 Difference]: Finished difference Result 752 states and 993 transitions. [2021-10-28 09:35:47,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:35:47,570 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 34 [2021-10-28 09:35:47,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:47,573 INFO L225 Difference]: With dead ends: 752 [2021-10-28 09:35:47,573 INFO L226 Difference]: Without dead ends: 510 [2021-10-28 09:35:47,574 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-10-28 09:35:47,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 510 states. [2021-10-28 09:35:47,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 510 to 332. [2021-10-28 09:35:47,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.3081570996978853) internal successors, (433), 331 states have internal predecessors, (433), 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 09:35:47,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 433 transitions. [2021-10-28 09:35:47,613 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 433 transitions. Word has length 34 [2021-10-28 09:35:47,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:47,613 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 433 transitions. [2021-10-28 09:35:47,614 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 6.8) internal successors, (34), 5 states have internal predecessors, (34), 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 09:35:47,614 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 433 transitions. [2021-10-28 09:35:47,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 09:35:47,616 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:47,617 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:47,617 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-28 09:35:47,617 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:47,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:47,618 INFO L85 PathProgramCache]: Analyzing trace with hash -771750108, now seen corresponding path program 1 times [2021-10-28 09:35:47,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:47,620 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254088374] [2021-10-28 09:35:47,620 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:47,621 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:47,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:47,700 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 09:35:47,700 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:47,700 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [254088374] [2021-10-28 09:35:47,700 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [254088374] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:47,702 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:47,702 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:35:47,702 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905379322] [2021-10-28 09:35:47,703 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:35:47,703 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:47,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:35:47,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:47,705 INFO L87 Difference]: Start difference. First operand 332 states and 433 transitions. Second operand has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 09:35:47,790 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:47,790 INFO L93 Difference]: Finished difference Result 753 states and 985 transitions. [2021-10-28 09:35:47,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:35:47,791 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 53 [2021-10-28 09:35:47,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:47,794 INFO L225 Difference]: With dead ends: 753 [2021-10-28 09:35:47,794 INFO L226 Difference]: Without dead ends: 427 [2021-10-28 09:35:47,795 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:35:47,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 427 states. [2021-10-28 09:35:47,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 427 to 332. [2021-10-28 09:35:47,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 332 states, 331 states have (on average 1.2900302114803626) internal successors, (427), 331 states have internal predecessors, (427), 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 09:35:47,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 332 states to 332 states and 427 transitions. [2021-10-28 09:35:47,832 INFO L78 Accepts]: Start accepts. Automaton has 332 states and 427 transitions. Word has length 53 [2021-10-28 09:35:47,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:47,833 INFO L470 AbstractCegarLoop]: Abstraction has 332 states and 427 transitions. [2021-10-28 09:35:47,833 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 10.2) internal successors, (51), 5 states have internal predecessors, (51), 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 09:35:47,833 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 427 transitions. [2021-10-28 09:35:47,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2021-10-28 09:35:47,834 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:47,834 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:47,834 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-10-28 09:35:47,835 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:47,835 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:47,835 INFO L85 PathProgramCache]: Analyzing trace with hash -844136666, now seen corresponding path program 1 times [2021-10-28 09:35:47,835 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:47,835 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232285876] [2021-10-28 09:35:47,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:47,836 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:47,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:47,931 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-28 09:35:47,931 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:47,931 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232285876] [2021-10-28 09:35:47,932 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [232285876] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:47,936 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:47,936 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-28 09:35:47,936 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [796580112] [2021-10-28 09:35:47,937 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:35:47,937 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:47,937 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:35:47,937 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:35:47,938 INFO L87 Difference]: Start difference. First operand 332 states and 427 transitions. Second operand has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 09:35:48,018 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:48,018 INFO L93 Difference]: Finished difference Result 676 states and 879 transitions. [2021-10-28 09:35:48,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:35:48,019 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 53 [2021-10-28 09:35:48,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:48,025 INFO L225 Difference]: With dead ends: 676 [2021-10-28 09:35:48,025 INFO L226 Difference]: Without dead ends: 350 [2021-10-28 09:35:48,026 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-28 09:35:48,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 350 states. [2021-10-28 09:35:48,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 350 to 266. [2021-10-28 09:35:48,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 266 states, 265 states have (on average 1.2867924528301886) internal successors, (341), 265 states have internal predecessors, (341), 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 09:35:48,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 341 transitions. [2021-10-28 09:35:48,057 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 341 transitions. Word has length 53 [2021-10-28 09:35:48,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:48,058 INFO L470 AbstractCegarLoop]: Abstraction has 266 states and 341 transitions. [2021-10-28 09:35:48,058 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 8.5) internal successors, (51), 6 states have internal predecessors, (51), 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 09:35:48,058 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 341 transitions. [2021-10-28 09:35:48,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 09:35:48,060 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:48,060 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:48,060 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-10-28 09:35:48,060 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:48,061 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:48,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1409435414, now seen corresponding path program 1 times [2021-10-28 09:35:48,061 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:48,061 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1033683037] [2021-10-28 09:35:48,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:48,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:48,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:48,166 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 09:35:48,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:48,167 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1033683037] [2021-10-28 09:35:48,167 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1033683037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:48,167 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:48,167 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:35:48,167 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026848006] [2021-10-28 09:35:48,168 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:35:48,168 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:48,169 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:35:48,169 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:48,169 INFO L87 Difference]: Start difference. First operand 266 states and 341 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 09:35:48,277 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:48,278 INFO L93 Difference]: Finished difference Result 878 states and 1149 transitions. [2021-10-28 09:35:48,278 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-28 09:35:48,278 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 54 [2021-10-28 09:35:48,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:48,282 INFO L225 Difference]: With dead ends: 878 [2021-10-28 09:35:48,282 INFO L226 Difference]: Without dead ends: 666 [2021-10-28 09:35:48,283 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:35:48,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 666 states. [2021-10-28 09:35:48,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 666 to 272. [2021-10-28 09:35:48,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.2804428044280443) internal successors, (347), 271 states have internal predecessors, (347), 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 09:35:48,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 347 transitions. [2021-10-28 09:35:48,318 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 347 transitions. Word has length 54 [2021-10-28 09:35:48,319 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:48,319 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 347 transitions. [2021-10-28 09:35:48,319 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 09:35:48,319 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 347 transitions. [2021-10-28 09:35:48,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2021-10-28 09:35:48,320 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:48,320 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:48,320 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-10-28 09:35:48,321 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:48,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:48,321 INFO L85 PathProgramCache]: Analyzing trace with hash -1802462424, now seen corresponding path program 1 times [2021-10-28 09:35:48,321 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:48,321 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1864291585] [2021-10-28 09:35:48,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:48,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:48,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:48,387 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 09:35:48,387 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:48,387 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1864291585] [2021-10-28 09:35:48,388 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1864291585] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:48,388 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:48,388 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:35:48,388 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [293765090] [2021-10-28 09:35:48,389 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:35:48,389 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:48,389 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:35:48,390 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:48,390 INFO L87 Difference]: Start difference. First operand 272 states and 347 transitions. Second operand has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 09:35:48,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:48,570 INFO L93 Difference]: Finished difference Result 708 states and 904 transitions. [2021-10-28 09:35:48,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:35:48,571 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 54 [2021-10-28 09:35:48,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:48,575 INFO L225 Difference]: With dead ends: 708 [2021-10-28 09:35:48,575 INFO L226 Difference]: Without dead ends: 706 [2021-10-28 09:35:48,576 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 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 09:35:48,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 706 states. [2021-10-28 09:35:48,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 706 to 272. [2021-10-28 09:35:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 271 states have (on average 1.2730627306273063) internal successors, (345), 271 states have internal predecessors, (345), 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 09:35:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 345 transitions. [2021-10-28 09:35:48,622 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 345 transitions. Word has length 54 [2021-10-28 09:35:48,623 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:48,623 INFO L470 AbstractCegarLoop]: Abstraction has 272 states and 345 transitions. [2021-10-28 09:35:48,623 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 9.2) internal successors, (46), 5 states have internal predecessors, (46), 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 09:35:48,623 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 345 transitions. [2021-10-28 09:35:48,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2021-10-28 09:35:48,624 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:48,624 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:35:48,624 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-10-28 09:35:48,625 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:48,625 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:48,625 INFO L85 PathProgramCache]: Analyzing trace with hash -1437514545, now seen corresponding path program 1 times [2021-10-28 09:35:48,625 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:48,626 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [596423860] [2021-10-28 09:35:48,626 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:48,626 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:48,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:48,725 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:35:48,725 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:48,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [596423860] [2021-10-28 09:35:48,725 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [596423860] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:35:48,725 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2097306200] [2021-10-28 09:35:48,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:48,726 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-28 09:35:48,726 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 [2021-10-28 09:35:48,729 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-28 09:35:48,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-28 09:35:48,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:48,923 INFO L263 TraceCheckSpWp]: Trace formula consists of 437 conjuncts, 6 conjunts are in the unsatisfiable core [2021-10-28 09:35:48,937 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-28 09:35:49,134 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-28 09:35:49,134 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2097306200] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-28 09:35:49,134 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-28 09:35:49,134 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 6 [2021-10-28 09:35:49,140 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [789637144] [2021-10-28 09:35:49,140 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-10-28 09:35:49,142 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:49,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-10-28 09:35:49,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:35:49,143 INFO L87 Difference]: Start difference. First operand 272 states and 345 transitions. Second operand has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 09:35:49,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:49,400 INFO L93 Difference]: Finished difference Result 855 states and 1102 transitions. [2021-10-28 09:35:49,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-28 09:35:49,400 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 55 [2021-10-28 09:35:49,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:49,404 INFO L225 Difference]: With dead ends: 855 [2021-10-28 09:35:49,404 INFO L226 Difference]: Without dead ends: 637 [2021-10-28 09:35:49,405 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:35:49,406 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2021-10-28 09:35:49,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 386. [2021-10-28 09:35:49,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 386 states, 385 states have (on average 1.2857142857142858) internal successors, (495), 385 states have internal predecessors, (495), 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 09:35:49,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 386 states to 386 states and 495 transitions. [2021-10-28 09:35:49,486 INFO L78 Accepts]: Start accepts. Automaton has 386 states and 495 transitions. Word has length 55 [2021-10-28 09:35:49,486 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:49,486 INFO L470 AbstractCegarLoop]: Abstraction has 386 states and 495 transitions. [2021-10-28 09:35:49,487 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.166666666666666) internal successors, (55), 6 states have internal predecessors, (55), 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 09:35:49,487 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 495 transitions. [2021-10-28 09:35:49,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-28 09:35:49,488 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:49,488 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 09:35:49,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-28 09:35:49,705 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-10-28 09:35:49,705 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:49,706 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:49,706 INFO L85 PathProgramCache]: Analyzing trace with hash 1916895271, now seen corresponding path program 2 times [2021-10-28 09:35:49,706 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:49,706 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [816533762] [2021-10-28 09:35:49,706 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:49,706 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:49,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:49,854 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2021-10-28 09:35:49,855 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:49,855 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [816533762] [2021-10-28 09:35:49,855 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [816533762] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:49,855 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:49,855 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-28 09:35:49,856 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962363673] [2021-10-28 09:35:49,856 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-28 09:35:49,856 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:49,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-28 09:35:49,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-10-28 09:35:49,857 INFO L87 Difference]: Start difference. First operand 386 states and 495 transitions. Second operand has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 09:35:50,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:50,154 INFO L93 Difference]: Finished difference Result 1132 states and 1477 transitions. [2021-10-28 09:35:50,154 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-10-28 09:35:50,154 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 76 [2021-10-28 09:35:50,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:50,159 INFO L225 Difference]: With dead ends: 1132 [2021-10-28 09:35:50,159 INFO L226 Difference]: Without dead ends: 798 [2021-10-28 09:35:50,160 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-10-28 09:35:50,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 798 states. [2021-10-28 09:35:50,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 798 to 532. [2021-10-28 09:35:50,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 532 states, 531 states have (on average 1.2787193973634652) internal successors, (679), 531 states have internal predecessors, (679), 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 09:35:50,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 532 states and 679 transitions. [2021-10-28 09:35:50,266 INFO L78 Accepts]: Start accepts. Automaton has 532 states and 679 transitions. Word has length 76 [2021-10-28 09:35:50,267 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:50,267 INFO L470 AbstractCegarLoop]: Abstraction has 532 states and 679 transitions. [2021-10-28 09:35:50,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 13.6) internal successors, (68), 5 states have internal predecessors, (68), 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 09:35:50,267 INFO L276 IsEmpty]: Start isEmpty. Operand 532 states and 679 transitions. [2021-10-28 09:35:50,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2021-10-28 09:35:50,268 INFO L505 BasicCegarLoop]: Found error trace [2021-10-28 09:35:50,268 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-10-28 09:35:50,269 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-10-28 09:35:50,269 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-28 09:35:50,269 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-28 09:35:50,269 INFO L85 PathProgramCache]: Analyzing trace with hash -2103312411, now seen corresponding path program 1 times [2021-10-28 09:35:50,269 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-28 09:35:50,270 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1977515856] [2021-10-28 09:35:50,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-28 09:35:50,270 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-28 09:35:50,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-28 09:35:50,341 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2021-10-28 09:35:50,341 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-28 09:35:50,342 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1977515856] [2021-10-28 09:35:50,342 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1977515856] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-28 09:35:50,342 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-28 09:35:50,342 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-10-28 09:35:50,342 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [215019448] [2021-10-28 09:35:50,343 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-28 09:35:50,343 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-28 09:35:50,344 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-28 09:35:50,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-10-28 09:35:50,344 INFO L87 Difference]: Start difference. First operand 532 states and 679 transitions. Second operand has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 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 09:35:50,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-28 09:35:50,466 INFO L93 Difference]: Finished difference Result 934 states and 1186 transitions. [2021-10-28 09:35:50,467 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-28 09:35:50,467 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 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) Word has length 76 [2021-10-28 09:35:50,467 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-28 09:35:50,467 INFO L225 Difference]: With dead ends: 934 [2021-10-28 09:35:50,468 INFO L226 Difference]: Without dead ends: 0 [2021-10-28 09:35:50,469 INFO L786 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-10-28 09:35:50,470 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-28 09:35:50,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-28 09:35:50,470 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 09:35:50,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-28 09:35:50,470 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 76 [2021-10-28 09:35:50,470 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-28 09:35:50,471 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-28 09:35:50,471 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 9.285714285714286) internal successors, (65), 7 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 09:35:50,471 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-28 09:35:50,471 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-28 09:35:50,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:35:50,475 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:35:50,476 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-28 09:35:50,476 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-10-28 09:35:50,478 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-28 09:35:50,483 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,485 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,486 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,487 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,742 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,744 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,745 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,746 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,820 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:50,821 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,458 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,459 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,461 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,508 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,510 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,699 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,700 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,965 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:51,966 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:52,348 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:52,996 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:52,997 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:52,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:52,999 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,000 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,002 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,003 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,004 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,005 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,007 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,040 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,319 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,321 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,322 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,323 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,942 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,943 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:53,969 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:54,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:54,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:35:54,021 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 337) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L333-2(lines 333 337) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L333-3(lines 333 337) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L168(lines 168 185) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L333-5(lines 333 337) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L168-1(lines 168 185) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L333-6(lines 333 337) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L168-2(lines 168 185) no Hoare annotation was computed. [2021-10-28 09:36:01,302 INFO L857 garLoopResultBuilder]: For program point L168-3(lines 168 185) no Hoare annotation was computed. [2021-10-28 09:36:01,303 INFO L857 garLoopResultBuilder]: For program point L333-8(lines 333 337) no Hoare annotation was computed. [2021-10-28 09:36:01,303 INFO L857 garLoopResultBuilder]: For program point L168-4(lines 168 185) no Hoare annotation was computed. [2021-10-28 09:36:01,303 INFO L857 garLoopResultBuilder]: For program point L168-5(lines 168 185) no Hoare annotation was computed. [2021-10-28 09:36:01,303 INFO L853 garLoopResultBuilder]: At program point L136(lines 135 154) the Hoare annotation is: (let ((.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse4 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0)) (.cse3 (= 1 ~systemActive~0))) (or (and .cse0 .cse1 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 .cse4 .cse2 .cse3 (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) (and .cse0 .cse4 .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse3))) [2021-10-28 09:36:01,303 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 136 142) no Hoare annotation was computed. [2021-10-28 09:36:01,303 INFO L853 garLoopResultBuilder]: At program point L136-2(lines 135 154) the Hoare annotation is: false [2021-10-28 09:36:01,303 INFO L853 garLoopResultBuilder]: At program point L136-3(lines 135 154) the Hoare annotation is: false [2021-10-28 09:36:01,304 INFO L853 garLoopResultBuilder]: At program point L500(lines 1 982) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-28 09:36:01,304 INFO L857 garLoopResultBuilder]: For program point L402(lines 402 406) no Hoare annotation was computed. [2021-10-28 09:36:01,304 INFO L857 garLoopResultBuilder]: For program point L172(lines 172 180) no Hoare annotation was computed. [2021-10-28 09:36:01,304 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 172 180) no Hoare annotation was computed. [2021-10-28 09:36:01,304 INFO L857 garLoopResultBuilder]: For program point L172-2(lines 172 180) no Hoare annotation was computed. [2021-10-28 09:36:01,304 INFO L857 garLoopResultBuilder]: For program point L172-3(lines 172 180) no Hoare annotation was computed. [2021-10-28 09:36:01,304 INFO L857 garLoopResultBuilder]: For program point L172-4(lines 172 180) no Hoare annotation was computed. [2021-10-28 09:36:01,304 INFO L857 garLoopResultBuilder]: For program point L172-5(lines 172 180) no Hoare annotation was computed. [2021-10-28 09:36:01,304 INFO L853 garLoopResultBuilder]: At program point L470(lines 465 473) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_activatePump_~tmp~3 0) (= ULTIMATE.start_main_~tmp~7 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-10-28 09:36:01,305 INFO L853 garLoopResultBuilder]: At program point L470-1(lines 465 473) the Hoare annotation is: false [2021-10-28 09:36:01,305 INFO L853 garLoopResultBuilder]: At program point L470-2(lines 465 473) the Hoare annotation is: false [2021-10-28 09:36:01,305 INFO L857 garLoopResultBuilder]: For program point L74(lines 74 80) no Hoare annotation was computed. [2021-10-28 09:36:01,305 INFO L853 garLoopResultBuilder]: At program point L74-1(lines 74 80) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 1)) (.cse7 (<= 1 ~waterLevel~0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse6 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse4 .cse7 .cse5 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ~methaneLevelCritical~0 0) .cse3 .cse4 .cse7) (and .cse0 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse2 .cse6 .cse4 .cse5))) [2021-10-28 09:36:01,305 INFO L853 garLoopResultBuilder]: At program point L339(lines 324 342) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= |ULTIMATE.start_isLowWaterSensorDry_#res| 0) (= ULTIMATE.start_activatePump_~tmp~3 0) (not (= ULTIMATE.start_isLowWaterLevel_~tmp___0~2 0)) (not (= |ULTIMATE.start_isLowWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~7 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isLowWaterLevel_~tmp~5 0)) [2021-10-28 09:36:01,305 INFO L853 garLoopResultBuilder]: At program point L339-1(lines 324 342) the Hoare annotation is: false [2021-10-28 09:36:01,305 INFO L853 garLoopResultBuilder]: At program point L339-2(lines 324 342) the Hoare annotation is: false [2021-10-28 09:36:01,305 INFO L860 garLoopResultBuilder]: At program point L604(lines 585 607) the Hoare annotation is: true [2021-10-28 09:36:01,306 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-10-28 09:36:01,306 INFO L853 garLoopResultBuilder]: At program point L572(lines 568 574) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= ULTIMATE.start_main_~tmp~7 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 09:36:01,306 INFO L853 garLoopResultBuilder]: At program point L143(lines 143 149) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= 1 ~systemActive~0))) (or (and .cse0 (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse1 (<= 1 ~waterLevel~0)) (and .cse0 (= ULTIMATE.start_activatePump_~tmp~3 0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~7 1) .cse1 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))))) [2021-10-28 09:36:01,306 INFO L853 garLoopResultBuilder]: At program point L110(lines 63 111) the Hoare annotation is: false [2021-10-28 09:36:01,306 INFO L853 garLoopResultBuilder]: At program point L143-1(lines 143 149) the Hoare annotation is: false [2021-10-28 09:36:01,306 INFO L853 garLoopResultBuilder]: At program point L143-2(lines 143 149) the Hoare annotation is: false [2021-10-28 09:36:01,306 INFO L853 garLoopResultBuilder]: At program point L508(lines 503 511) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res| 1) (= ~waterLevel~0 1)) [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L378(lines 378 382) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L378-3(lines 378 382) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L378-6(lines 378 382) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L314(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L314-2(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L314-3(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L314-5(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L314-6(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L314-8(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,307 INFO L857 garLoopResultBuilder]: For program point L314-9(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,308 INFO L857 garLoopResultBuilder]: For program point L314-11(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,308 INFO L857 garLoopResultBuilder]: For program point L314-12(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,308 INFO L857 garLoopResultBuilder]: For program point L314-14(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,308 INFO L857 garLoopResultBuilder]: For program point L314-15(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,308 INFO L857 garLoopResultBuilder]: For program point L314-17(lines 314 318) no Hoare annotation was computed. [2021-10-28 09:36:01,308 INFO L853 garLoopResultBuilder]: At program point L447(lines 442 450) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ULTIMATE.start_main_~tmp~7 1)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 (= ~pumpRunning~0 0) .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 (= ULTIMATE.start_activatePump_~tmp~3 0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse1 .cse2 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse3 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))))) [2021-10-28 09:36:01,308 INFO L853 garLoopResultBuilder]: At program point L447-1(lines 442 450) the Hoare annotation is: false [2021-10-28 09:36:01,308 INFO L853 garLoopResultBuilder]: At program point L447-2(lines 442 450) the Hoare annotation is: false [2021-10-28 09:36:01,308 INFO L857 garLoopResultBuilder]: For program point L84(lines 84 90) no Hoare annotation was computed. [2021-10-28 09:36:01,309 INFO L853 garLoopResultBuilder]: At program point L84-1(lines 84 90) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (<= 2 ~waterLevel~0)) (.cse3 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0)) (.cse4 (= 1 ~systemActive~0)) (.cse5 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 1) .cse4 (= ~waterLevel~0 1)) (and .cse0 (= ULTIMATE.start_activatePump_~tmp~3 0) .cse2 .cse3 .cse4 .cse5))) [2021-10-28 09:36:01,309 INFO L853 garLoopResultBuilder]: At program point L415(lines 410 418) the Hoare annotation is: false [2021-10-28 09:36:01,309 INFO L853 garLoopResultBuilder]: At program point L415-1(lines 410 418) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~7 1) (= 1 ~systemActive~0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) [2021-10-28 09:36:01,309 INFO L853 garLoopResultBuilder]: At program point L415-2(lines 410 418) the Hoare annotation is: false [2021-10-28 09:36:01,309 INFO L853 garLoopResultBuilder]: At program point L415-3(lines 410 418) the Hoare annotation is: false [2021-10-28 09:36:01,309 INFO L853 garLoopResultBuilder]: At program point L415-4(lines 410 418) the Hoare annotation is: false [2021-10-28 09:36:01,309 INFO L853 garLoopResultBuilder]: At program point L415-5(lines 410 418) the Hoare annotation is: false [2021-10-28 09:36:01,309 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-28 09:36:01,310 INFO L857 garLoopResultBuilder]: For program point L979(line 979) no Hoare annotation was computed. [2021-10-28 09:36:01,310 INFO L857 garLoopResultBuilder]: For program point L979-1(line 979) no Hoare annotation was computed. [2021-10-28 09:36:01,310 INFO L857 garLoopResultBuilder]: For program point L979-2(line 979) no Hoare annotation was computed. [2021-10-28 09:36:01,310 INFO L853 garLoopResultBuilder]: At program point L320(lines 305 323) the Hoare annotation is: false [2021-10-28 09:36:01,310 INFO L853 garLoopResultBuilder]: At program point L320-1(lines 305 323) the Hoare annotation is: (let ((.cse1 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (.cse6 (= 1 ~systemActive~0)) (.cse2 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (.cse5 (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0)) (.cse0 (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0))) (or (and (not .cse0) .cse1 .cse2 .cse3 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) .cse4 (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) (not .cse5) .cse6 (<= 1 ~waterLevel~0)) (and .cse1 .cse3 (<= 2 ~waterLevel~0) (not .cse4) (= ULTIMATE.start_main_~tmp~7 1) .cse6 (not .cse2) (= |ULTIMATE.start_valid_product_#res| 1) .cse5 .cse0))) [2021-10-28 09:36:01,310 INFO L853 garLoopResultBuilder]: At program point L320-2(lines 305 323) the Hoare annotation is: false [2021-10-28 09:36:01,310 INFO L853 garLoopResultBuilder]: At program point L320-3(lines 305 323) the Hoare annotation is: false [2021-10-28 09:36:01,310 INFO L853 garLoopResultBuilder]: At program point L320-4(lines 305 323) the Hoare annotation is: false [2021-10-28 09:36:01,310 INFO L853 garLoopResultBuilder]: At program point L320-5(lines 305 323) the Hoare annotation is: false [2021-10-28 09:36:01,310 INFO L857 garLoopResultBuilder]: For program point L354(lines 354 367) no Hoare annotation was computed. [2021-10-28 09:36:01,311 INFO L853 garLoopResultBuilder]: At program point L354-1(lines 1 982) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse2 (= ULTIMATE.start_main_~tmp~7 1)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (= |ULTIMATE.start_valid_product_#res| 1))) (or (and .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0) .cse4 (<= 1 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (<= 1 |ULTIMATE.start_getWaterLevel_#res|)) (and .cse0 .cse1 (= ~methaneLevelCritical~0 0) .cse2 .cse3 .cse4 (= ~waterLevel~0 1)) (and .cse0 (= ULTIMATE.start_activatePump_~tmp~3 0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) .cse4 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (<= 2 ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~6) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))))) [2021-10-28 09:36:01,311 INFO L857 garLoopResultBuilder]: For program point L354-2(lines 354 367) no Hoare annotation was computed. [2021-10-28 09:36:01,311 INFO L853 garLoopResultBuilder]: At program point L354-3(lines 1 982) the Hoare annotation is: false [2021-10-28 09:36:01,311 INFO L857 garLoopResultBuilder]: For program point L354-4(lines 354 367) no Hoare annotation was computed. [2021-10-28 09:36:01,311 INFO L853 garLoopResultBuilder]: At program point L354-5(lines 1 982) the Hoare annotation is: false [2021-10-28 09:36:01,311 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-28 09:36:01,311 INFO L853 garLoopResultBuilder]: At program point L256(lines 249 259) the Hoare annotation is: false [2021-10-28 09:36:01,311 INFO L853 garLoopResultBuilder]: At program point L256-1(lines 249 259) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (not (= |ULTIMATE.start_isHighWaterLevel_#res| 0)) (= ULTIMATE.start_main_~tmp~7 1) (= 1 ~systemActive~0) (not (= ULTIMATE.start_isHighWaterLevel_~tmp___0~1 0)) (= |ULTIMATE.start_valid_product_#res| 1) (= ULTIMATE.start_isHighWaterLevel_~tmp~4 0) (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0) (not (= ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~1 0))) [2021-10-28 09:36:01,312 INFO L853 garLoopResultBuilder]: At program point L256-2(lines 249 259) the Hoare annotation is: false [2021-10-28 09:36:01,312 INFO L853 garLoopResultBuilder]: At program point L256-3(lines 249 259) the Hoare annotation is: false [2021-10-28 09:36:01,312 INFO L853 garLoopResultBuilder]: At program point L256-4(lines 249 259) the Hoare annotation is: false [2021-10-28 09:36:01,312 INFO L853 garLoopResultBuilder]: At program point L256-5(lines 249 259) the Hoare annotation is: false [2021-10-28 09:36:01,312 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 461) no Hoare annotation was computed. [2021-10-28 09:36:01,312 INFO L857 garLoopResultBuilder]: For program point L455-1(lines 455 461) no Hoare annotation was computed. [2021-10-28 09:36:01,312 INFO L857 garLoopResultBuilder]: For program point L455-2(lines 455 461) no Hoare annotation was computed. [2021-10-28 09:36:01,312 INFO L857 garLoopResultBuilder]: For program point L455-3(lines 455 461) no Hoare annotation was computed. [2021-10-28 09:36:01,312 INFO L857 garLoopResultBuilder]: For program point L455-4(lines 455 461) no Hoare annotation was computed. [2021-10-28 09:36:01,312 INFO L857 garLoopResultBuilder]: For program point L455-5(lines 455 461) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 394) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L358(lines 358 364) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L358-2(lines 358 364) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L358-4(lines 358 364) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L94(lines 94 105) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L853 garLoopResultBuilder]: At program point L524-2(lines 524 538) the Hoare annotation is: false [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L194(lines 194 211) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L194-1(lines 194 211) no Hoare annotation was computed. [2021-10-28 09:36:01,313 INFO L857 garLoopResultBuilder]: For program point L194-2(lines 194 211) no Hoare annotation was computed. [2021-10-28 09:36:01,314 INFO L857 garLoopResultBuilder]: For program point L525(line 525) no Hoare annotation was computed. [2021-10-28 09:36:01,314 INFO L853 garLoopResultBuilder]: At program point L460(lines 451 464) the Hoare annotation is: false [2021-10-28 09:36:01,314 INFO L853 garLoopResultBuilder]: At program point L460-1(lines 451 464) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 (= |ULTIMATE.start_valid_product_#res| ~systemActive~0) (= ULTIMATE.start_main_~tmp~7 1) .cse2 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) (= ULTIMATE.start_main_~tmp~7 ~systemActive~0) .cse2 (= |ULTIMATE.start_valid_product_#res| 1)))) [2021-10-28 09:36:01,314 INFO L853 garLoopResultBuilder]: At program point L460-2(lines 451 464) the Hoare annotation is: false [2021-10-28 09:36:01,314 INFO L853 garLoopResultBuilder]: At program point L460-3(lines 451 464) the Hoare annotation is: false [2021-10-28 09:36:01,314 INFO L853 garLoopResultBuilder]: At program point L460-4(lines 451 464) the Hoare annotation is: false [2021-10-28 09:36:01,314 INFO L853 garLoopResultBuilder]: At program point L460-5(lines 451 464) the Hoare annotation is: false [2021-10-28 09:36:01,314 INFO L857 garLoopResultBuilder]: For program point L65(lines 64 109) no Hoare annotation was computed. [2021-10-28 09:36:01,314 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 979) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L528(lines 528 532) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L528-1(lines 136 142) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L231(lines 231 237) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L198(lines 198 206) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L231-2(lines 231 237) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L198-1(lines 198 206) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L198-2(lines 198 206) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L231-4(lines 231 237) no Hoare annotation was computed. [2021-10-28 09:36:01,315 INFO L857 garLoopResultBuilder]: For program point L66(lines 66 70) no Hoare annotation was computed. [2021-10-28 09:36:01,316 INFO L857 garLoopResultBuilder]: For program point L231-6(lines 231 237) no Hoare annotation was computed. [2021-10-28 09:36:01,316 INFO L857 garLoopResultBuilder]: For program point L231-8(lines 231 237) no Hoare annotation was computed. [2021-10-28 09:36:01,316 INFO L857 garLoopResultBuilder]: For program point L231-10(lines 231 237) no Hoare annotation was computed. [2021-10-28 09:36:01,316 INFO L857 garLoopResultBuilder]: For program point L595(lines 595 602) no Hoare annotation was computed. [2021-10-28 09:36:01,316 INFO L860 garLoopResultBuilder]: At program point L595-1(lines 595 602) the Hoare annotation is: true [2021-10-28 09:36:01,316 INFO L853 garLoopResultBuilder]: At program point L265(lines 260 268) the Hoare annotation is: false [2021-10-28 09:36:01,316 INFO L853 garLoopResultBuilder]: At program point L265-1(lines 260 268) the Hoare annotation is: false [2021-10-28 09:36:01,316 INFO L853 garLoopResultBuilder]: At program point L265-2(lines 260 268) the Hoare annotation is: false [2021-10-28 09:36:01,316 INFO L857 garLoopResultBuilder]: For program point L100(lines 100 104) no Hoare annotation was computed. [2021-10-28 09:36:01,316 INFO L857 garLoopResultBuilder]: For program point L100-2(lines 136 142) no Hoare annotation was computed. [2021-10-28 09:36:01,320 INFO L731 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-28 09:36:01,321 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-28 09:36:01,349 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.10 09:36:01 BoogieIcfgContainer [2021-10-28 09:36:01,349 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-28 09:36:01,350 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 09:36:01,350 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 09:36:01,350 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 09:36:01,350 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 09:35:44" (3/4) ... [2021-10-28 09:36:01,353 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-28 09:36:01,374 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-28 09:36:01,375 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-28 09:36:01,377 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-28 09:36:01,378 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-28 09:36:01,379 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-28 09:36:01,380 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:36:01,382 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-28 09:36:01,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 09:36:01,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1 [2021-10-28 09:36:01,406 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || ((((((((((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && 2 <= \result) && tmp == 0) && \result == 0) && 2 <= tmp) && !(tmp == 0)) [2021-10-28 09:36:01,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) [2021-10-28 09:36:01,407 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == 1) && 1 == systemActive) && waterLevel == 1)) || (((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) [2021-10-28 09:36:01,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) [2021-10-28 09:36:01,408 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && 1 <= waterLevel) || ((((((((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(tmp == 0)) [2021-10-28 09:36:01,409 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((((((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && 2 <= \result) && tmp == 0) && \result == 0) && !(tmp == 0)) [2021-10-28 09:36:01,410 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && \result == systemActive) && \result == 0) && tmp == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel [2021-10-28 09:36:01,411 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) [2021-10-28 09:36:01,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((splverifierCounter == 0 && \result == 0) && tmp == 0) && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 0 [2021-10-28 09:36:01,412 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && tmp == systemActive) && !(tmp == 0)) && 1 == systemActive) && 1 <= waterLevel) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) [2021-10-28 09:36:01,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(tmp == 0) [2021-10-28 09:36:01,414 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(tmp == 0) [2021-10-28 09:36:01,472 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/witness.graphml [2021-10-28 09:36:01,472 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 09:36:01,473 INFO L168 Benchmark]: Toolchain (without parser) took 18462.57 ms. Allocated memory was 90.2 MB in the beginning and 390.1 MB in the end (delta: 299.9 MB). Free memory was 59.5 MB in the beginning and 189.6 MB in the end (delta: -130.1 MB). Peak memory consumption was 170.6 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:01,474 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 09:36:01,474 INFO L168 Benchmark]: CACSL2BoogieTranslator took 486.39 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 40.7 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:01,474 INFO L168 Benchmark]: Boogie Procedure Inliner took 136.77 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 40.7 MB in the beginning and 86.9 MB in the end (delta: -46.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:01,475 INFO L168 Benchmark]: Boogie Preprocessor took 63.77 ms. Allocated memory is still 111.1 MB. Free memory was 86.9 MB in the beginning and 87.5 MB in the end (delta: -589.4 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:01,475 INFO L168 Benchmark]: RCFGBuilder took 1027.93 ms. Allocated memory is still 111.1 MB. Free memory was 87.5 MB in the beginning and 42.6 MB in the end (delta: 44.9 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:01,475 INFO L168 Benchmark]: TraceAbstraction took 16618.70 ms. Allocated memory was 111.1 MB in the beginning and 390.1 MB in the end (delta: 278.9 MB). Free memory was 42.0 MB in the beginning and 201.2 MB in the end (delta: -159.2 MB). Peak memory consumption was 195.4 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:01,476 INFO L168 Benchmark]: Witness Printer took 122.49 ms. Allocated memory is still 390.1 MB. Free memory was 201.2 MB in the beginning and 189.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-28 09:36:01,478 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 90.2 MB. Free memory is still 58.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 486.39 ms. Allocated memory is still 90.2 MB. Free memory was 59.4 MB in the beginning and 40.7 MB in the end (delta: 18.7 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 136.77 ms. Allocated memory was 90.2 MB in the beginning and 111.1 MB in the end (delta: 21.0 MB). Free memory was 40.7 MB in the beginning and 86.9 MB in the end (delta: -46.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 63.77 ms. Allocated memory is still 111.1 MB. Free memory was 86.9 MB in the beginning and 87.5 MB in the end (delta: -589.4 kB). Peak memory consumption was 4.5 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1027.93 ms. Allocated memory is still 111.1 MB. Free memory was 87.5 MB in the beginning and 42.6 MB in the end (delta: 44.9 MB). Peak memory consumption was 46.1 MB. Max. memory is 16.1 GB. * TraceAbstraction took 16618.70 ms. Allocated memory was 111.1 MB in the beginning and 390.1 MB in the end (delta: 278.9 MB). Free memory was 42.0 MB in the beginning and 201.2 MB in the end (delta: -159.2 MB). Peak memory consumption was 195.4 MB. Max. memory is 16.1 GB. * Witness Printer took 122.49 ms. Allocated memory is still 390.1 MB. Free memory was 201.2 MB in the beginning and 189.6 MB in the end (delta: 11.5 MB). Peak memory consumption was 10.5 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: 979]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 979]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 979]: 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, 135 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 16.5s, OverallIterations: 17, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 10.8s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 1964 SDtfs, 3445 SDslu, 3238 SDs, 0 SdLazy, 475 SolverSat, 83 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 199 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=532occurred in iteration=16, InterpolantAutomatonStates: 98, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 17 MinimizatonAttempts, 2615 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 54 PreInvPairs, 196 NumberOfFragments, 739 HoareAnnotationTreeSize, 54 FomulaSimplifications, 27978733 FormulaSimplificationTreeSizeReduction, 3.5s HoareSimplificationTime, 54 FomulaSimplificationsInter, 9047681 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 746 NumberOfCodeBlocks, 746 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 728 ConstructedInterpolants, 0 QuantifiedInterpolants, 1209 SizeOfPredicates, 3 NumberOfNonLiveVariables, 437 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 18 InterpolantComputations, 16 PerfectInterpolantSequences, 176/182 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: 63]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: ((((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && \result == systemActive) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && \result == systemActive) && tmp == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) || (((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(tmp == 0) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: (((((((((!(\result == 0) && splverifierCounter == 0) && tmp___0 == 0) && pumpRunning == 0) && \result == systemActive) && \result == 0) && tmp == systemActive) && !(tmp == 0)) && 1 == systemActive) && 1 <= waterLevel) || (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && 1 <= \result) || (((((((((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && 2 <= \result) && tmp == 0) && \result == 0) && !(tmp == 0)) - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 503]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 595]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 74]: Loop Invariant Derived loop invariant: (((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == 1) && 1 == systemActive) && \result == 1) || (((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == systemActive) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result)) || ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel)) || (((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == systemActive) && 1 == systemActive) && 1 <= waterLevel) || ((((((((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(tmp == 0)) - InvariantResult [Line: 135]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 524]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 442]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 568]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1 - InvariantResult [Line: 465]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && \result == systemActive) && \result == 0) && tmp == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && pumpRunning == 0) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && 1 <= tmp) && 1 <= \result) || ((((((splverifierCounter == 0 && pumpRunning == 0) && methaneLevelCritical == 0) && tmp == 1) && 1 == systemActive) && \result == 1) && waterLevel == 1)) || ((((((((((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && 2 <= \result) && tmp == 0) && \result == 0) && 2 <= tmp) && !(tmp == 0)) - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 585]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 260]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && methaneLevelCritical == 0) && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) || (((((splverifierCounter == 0 && pumpRunning == 0) && \result == systemActive) && tmp == 1) && 1 == systemActive) && waterLevel == 1)) || (((((splverifierCounter == 0 && tmp == 0) && 2 <= waterLevel) && tmp == systemActive) && 1 == systemActive) && \result == 1) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 324]: Loop Invariant Derived loop invariant: ((((((((splverifierCounter == 0 && \result == 0) && tmp == 0) && !(tmp___0 == 0)) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && 1 <= waterLevel) && \result == 1) && tmp == 0 - InvariantResult [Line: 451]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: (((((((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && !(\result == 0)) && tmp == 1) && 1 == systemActive) && !(tmp___0 == 0)) && \result == 1) && tmp == 0) && \result == 0) && !(tmp == 0) RESULT: Ultimate proved your program to be correct! [2021-10-28 09:36:01,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_382eb455-11ba-4753-88f2-4987ded48b84/bin/uautomizer-UnR33cPsHg/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...