./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be --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 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:09:09,839 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:09:09,842 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:09:09,891 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:09:09,892 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:09:09,899 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:09:09,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:09:09,907 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:09:09,910 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:09:09,918 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:09:09,919 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:09:09,921 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:09:09,921 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:09:09,924 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:09:09,927 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:09:09,929 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:09:09,931 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:09:09,932 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:09:09,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:09:09,944 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:09:09,947 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:09:09,949 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:09:09,953 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:09:09,954 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:09:09,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:09:09,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:09:09,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:09:09,963 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:09:09,964 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:09:09,965 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:09:09,966 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:09:09,967 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:09:09,968 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:09:09,970 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:09:09,971 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:09:09,971 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:09:09,972 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:09:09,972 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:09:09,973 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:09:09,974 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:09:09,974 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:09:09,975 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-10-21 19:09:10,020 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:09:10,020 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:09:10,021 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:09:10,021 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:09:10,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:09:10,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:09:10,029 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:09:10,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:09:10,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:09:10,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:09:10,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:09:10,032 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:09:10,032 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-21 19:09:10,032 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:09:10,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-21 19:09:10,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:09:10,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:09:10,033 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:09:10,033 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-21 19:09:10,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:09:10,034 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:09:10,034 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:09:10,034 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:09:10,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:09:10,035 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:09:10,035 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-21 19:09:10,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:09:10,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:09:10,035 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-10-21 19:09:10,037 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-10-21 19:09:10,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-21 19:09:10,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:09:10,038 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_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 303db4082dd8b7a60cb4b5043655f09159321046818373497160cd54b8948d04 [2021-10-21 19:09:10,278 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:09:10,312 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:09:10,315 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:09:10,316 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:09:10,317 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:09:10,318 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-10-21 19:09:10,398 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/data/0279330c9/1d4a311b90bc468eb81c6c96f2e959e5/FLAG7b4c1d471 [2021-10-21 19:09:10,906 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:09:10,907 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c [2021-10-21 19:09:10,929 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/data/0279330c9/1d4a311b90bc468eb81c6c96f2e959e5/FLAG7b4c1d471 [2021-10-21 19:09:11,196 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/data/0279330c9/1d4a311b90bc468eb81c6c96f2e959e5 [2021-10-21 19:09:11,199 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:09:11,200 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:09:11,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:11,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:09:11,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:09:11,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:11,213 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3855d57d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11, skipping insertion in model container [2021-10-21 19:09:11,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:11,221 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:09:11,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:09:11,514 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2021-10-21 19:09:11,700 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:11,711 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:09:11,731 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_946e40f7-6972-40f0-89cc-5186bce85979/sv-benchmarks/c/product-lines/minepump_spec5_product47.cil.c[1605,1618] [2021-10-21 19:09:11,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:09:11,854 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:09:11,855 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11 WrapperNode [2021-10-21 19:09:11,856 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:09:11,857 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:11,858 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:09:11,858 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:09:11,865 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:11,895 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:11,962 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:09:11,963 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:09:11,963 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:09:11,963 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:09:11,972 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:11,972 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:11,977 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:11,978 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:12,009 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:12,016 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:12,019 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:12,024 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:09:12,025 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:09:12,025 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:09:12,025 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:09:12,026 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (1/1) ... [2021-10-21 19:09:12,033 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:09:12,046 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:12,064 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-21 19:09:12,066 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-21 19:09:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:09:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:09:12,109 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:09:12,109 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:09:13,157 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:09:13,158 INFO L299 CfgBuilder]: Removed 210 assume(true) statements. [2021-10-21 19:09:13,160 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:13 BoogieIcfgContainer [2021-10-21 19:09:13,160 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:09:13,162 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-21 19:09:13,162 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-21 19:09:13,165 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-21 19:09:13,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.10 07:09:11" (1/3) ... [2021-10-21 19:09:13,167 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675e493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:13, skipping insertion in model container [2021-10-21 19:09:13,167 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:09:11" (2/3) ... [2021-10-21 19:09:13,168 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@675e493 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.10 07:09:13, skipping insertion in model container [2021-10-21 19:09:13,168 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:13" (3/3) ... [2021-10-21 19:09:13,170 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product47.cil.c [2021-10-21 19:09:13,174 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-21 19:09:13,175 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-10-21 19:09:13,223 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-10-21 19:09:13,229 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 [2021-10-21 19:09:13,229 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-10-21 19:09:13,246 INFO L276 IsEmpty]: Start isEmpty. Operand has 140 states, 136 states have (on average 1.5220588235294117) internal successors, (207), 139 states have internal predecessors, (207), 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) [2021-10-21 19:09:13,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2021-10-21 19:09:13,252 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:13,253 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:13,253 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:13,258 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:13,259 INFO L82 PathProgramCache]: Analyzing trace with hash -373537608, now seen corresponding path program 1 times [2021-10-21 19:09:13,268 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:13,268 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1676587613] [2021-10-21 19:09:13,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:13,269 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:13,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:13,529 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:13,529 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:13,530 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1676587613] [2021-10-21 19:09:13,531 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1676587613] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:13,531 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:13,531 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:09:13,533 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593061841] [2021-10-21 19:09:13,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-10-21 19:09:13,538 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:13,550 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:09:13,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:09:13,553 INFO L87 Difference]: Start difference. First operand has 140 states, 136 states have (on average 1.5220588235294117) internal successors, (207), 139 states have internal predecessors, (207), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:09:13,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:13,585 INFO L93 Difference]: Finished difference Result 273 states and 406 transitions. [2021-10-21 19:09:13,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:09:13,587 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 19 [2021-10-21 19:09:13,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:13,597 INFO L225 Difference]: With dead ends: 273 [2021-10-21 19:09:13,597 INFO L226 Difference]: Without dead ends: 136 [2021-10-21 19:09:13,601 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0ms TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:09:13,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2021-10-21 19:09:13,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 136. [2021-10-21 19:09:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 133 states have (on average 1.4661654135338347) internal successors, (195), 135 states have internal predecessors, (195), 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) [2021-10-21 19:09:13,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 195 transitions. [2021-10-21 19:09:13,644 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 195 transitions. Word has length 19 [2021-10-21 19:09:13,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:13,645 INFO L470 AbstractCegarLoop]: Abstraction has 136 states and 195 transitions. [2021-10-21 19:09:13,645 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 9.5) internal successors, (19), 2 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 19:09:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 195 transitions. [2021-10-21 19:09:13,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2021-10-21 19:09:13,647 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:13,647 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:13,647 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-10-21 19:09:13,648 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:13,648 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:13,648 INFO L82 PathProgramCache]: Analyzing trace with hash 1432481945, now seen corresponding path program 1 times [2021-10-21 19:09:13,649 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:13,649 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1953888885] [2021-10-21 19:09:13,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:13,649 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:13,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:13,764 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:13,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:13,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1953888885] [2021-10-21 19:09:13,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1953888885] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:13,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:13,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:09:13,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182069140] [2021-10-21 19:09:13,767 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:09:13,768 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:13,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:09:13,770 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:13,770 INFO L87 Difference]: Start difference. First operand 136 states and 195 transitions. Second operand has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-21 19:09:13,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:13,790 INFO L93 Difference]: Finished difference Result 136 states and 195 transitions. [2021-10-21 19:09:13,791 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:13,791 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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 20 [2021-10-21 19:09:13,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:13,796 INFO L225 Difference]: With dead ends: 136 [2021-10-21 19:09:13,796 INFO L226 Difference]: Without dead ends: 57 [2021-10-21 19:09:13,798 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 6.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:13,799 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2021-10-21 19:09:13,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 57. [2021-10-21 19:09:13,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 56 states have (on average 1.4464285714285714) internal successors, (81), 56 states have internal predecessors, (81), 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) [2021-10-21 19:09:13,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 81 transitions. [2021-10-21 19:09:13,805 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 81 transitions. Word has length 20 [2021-10-21 19:09:13,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:13,806 INFO L470 AbstractCegarLoop]: Abstraction has 57 states and 81 transitions. [2021-10-21 19:09:13,806 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.666666666666667) internal successors, (20), 3 states have internal predecessors, (20), 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) [2021-10-21 19:09:13,806 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 81 transitions. [2021-10-21 19:09:13,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2021-10-21 19:09:13,807 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:13,807 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:13,808 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-10-21 19:09:13,808 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:13,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:13,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1277815295, now seen corresponding path program 1 times [2021-10-21 19:09:13,809 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:13,809 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961035657] [2021-10-21 19:09:13,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:13,810 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:13,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:13,921 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:13,921 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961035657] [2021-10-21 19:09:13,921 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961035657] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:13,921 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:13,922 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:09:13,922 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [417928216] [2021-10-21 19:09:13,922 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:09:13,923 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:13,924 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:09:13,924 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:13,924 INFO L87 Difference]: Start difference. First operand 57 states and 81 transitions. Second operand has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-10-21 19:09:13,960 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:13,960 INFO L93 Difference]: Finished difference Result 157 states and 229 transitions. [2021-10-21 19:09:13,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:13,967 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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 26 [2021-10-21 19:09:13,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:13,968 INFO L225 Difference]: With dead ends: 157 [2021-10-21 19:09:13,968 INFO L226 Difference]: Without dead ends: 107 [2021-10-21 19:09:13,969 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:13,970 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107 states. [2021-10-21 19:09:13,989 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107 to 103. [2021-10-21 19:09:13,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 102 states have (on average 1.4705882352941178) internal successors, (150), 102 states have internal predecessors, (150), 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) [2021-10-21 19:09:13,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 150 transitions. [2021-10-21 19:09:13,996 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 150 transitions. Word has length 26 [2021-10-21 19:09:13,997 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:13,997 INFO L470 AbstractCegarLoop]: Abstraction has 103 states and 150 transitions. [2021-10-21 19:09:13,997 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 8.666666666666666) internal successors, (26), 2 states have internal predecessors, (26), 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) [2021-10-21 19:09:13,997 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 150 transitions. [2021-10-21 19:09:13,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-10-21 19:09:13,999 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:13,999 INFO L512 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] [2021-10-21 19:09:13,999 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-10-21 19:09:13,999 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:14,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,000 INFO L82 PathProgramCache]: Analyzing trace with hash 120130499, now seen corresponding path program 1 times [2021-10-21 19:09:14,000 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,001 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716501457] [2021-10-21 19:09:14,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,001 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:14,117 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:14,117 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [716501457] [2021-10-21 19:09:14,117 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [716501457] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:14,118 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:14,118 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:09:14,118 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492292651] [2021-10-21 19:09:14,119 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:09:14,119 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:14,120 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:09:14,120 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:14,120 INFO L87 Difference]: Start difference. First operand 103 states and 150 transitions. Second operand has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-10-21 19:09:14,159 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:14,159 INFO L93 Difference]: Finished difference Result 246 states and 363 transitions. [2021-10-21 19:09:14,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:14,169 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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 28 [2021-10-21 19:09:14,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:14,171 INFO L225 Difference]: With dead ends: 246 [2021-10-21 19:09:14,171 INFO L226 Difference]: Without dead ends: 150 [2021-10-21 19:09:14,172 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:14,173 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 150 states. [2021-10-21 19:09:14,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 150 to 148. [2021-10-21 19:09:14,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 147 states have (on average 1.4421768707482994) internal successors, (212), 147 states have internal predecessors, (212), 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) [2021-10-21 19:09:14,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 212 transitions. [2021-10-21 19:09:14,190 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 212 transitions. Word has length 28 [2021-10-21 19:09:14,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:14,191 INFO L470 AbstractCegarLoop]: Abstraction has 148 states and 212 transitions. [2021-10-21 19:09:14,191 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 9.333333333333334) internal successors, (28), 2 states have internal predecessors, (28), 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) [2021-10-21 19:09:14,191 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 212 transitions. [2021-10-21 19:09:14,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2021-10-21 19:09:14,193 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:14,193 INFO L512 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] [2021-10-21 19:09:14,193 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-10-21 19:09:14,194 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:14,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,194 INFO L82 PathProgramCache]: Analyzing trace with hash -1546294710, now seen corresponding path program 1 times [2021-10-21 19:09:14,195 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,195 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019368183] [2021-10-21 19:09:14,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,196 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:14,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:14,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:14,275 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:14,275 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019368183] [2021-10-21 19:09:14,275 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019368183] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:14,276 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:14,276 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-10-21 19:09:14,276 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272101851] [2021-10-21 19:09:14,277 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:09:14,277 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:14,278 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:09:14,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:09:14,278 INFO L87 Difference]: Start difference. First operand 148 states and 212 transitions. Second operand has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-10-21 19:09:14,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:14,414 INFO L93 Difference]: Finished difference Result 523 states and 749 transitions. [2021-10-21 19:09:14,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:09:14,414 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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 29 [2021-10-21 19:09:14,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:14,418 INFO L225 Difference]: With dead ends: 523 [2021-10-21 19:09:14,418 INFO L226 Difference]: Without dead ends: 382 [2021-10-21 19:09:14,419 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 33.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:09:14,420 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 382 states. [2021-10-21 19:09:14,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 382 to 146. [2021-10-21 19:09:14,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 145 states have (on average 1.4206896551724137) internal successors, (206), 145 states have internal predecessors, (206), 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) [2021-10-21 19:09:14,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 206 transitions. [2021-10-21 19:09:14,438 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 206 transitions. Word has length 29 [2021-10-21 19:09:14,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:14,439 INFO L470 AbstractCegarLoop]: Abstraction has 146 states and 206 transitions. [2021-10-21 19:09:14,439 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.8) internal successors, (29), 4 states have internal predecessors, (29), 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) [2021-10-21 19:09:14,440 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 206 transitions. [2021-10-21 19:09:14,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:09:14,441 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:14,441 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:14,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-10-21 19:09:14,442 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:14,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,443 INFO L82 PathProgramCache]: Analyzing trace with hash -1771234378, now seen corresponding path program 1 times [2021-10-21 19:09:14,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2079687520] [2021-10-21 19:09:14,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:14,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:14,520 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:14,521 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:14,521 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2079687520] [2021-10-21 19:09:14,521 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2079687520] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:14,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:14,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:09:14,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391055458] [2021-10-21 19:09:14,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:09:14,527 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:14,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:09:14,529 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:09:14,533 INFO L87 Difference]: Start difference. First operand 146 states and 206 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-21 19:09:14,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:14,615 INFO L93 Difference]: Finished difference Result 387 states and 541 transitions. [2021-10-21 19:09:14,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-10-21 19:09:14,616 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2021-10-21 19:09:14,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:14,626 INFO L225 Difference]: With dead ends: 387 [2021-10-21 19:09:14,626 INFO L226 Difference]: Without dead ends: 248 [2021-10-21 19:09:14,628 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 22.8ms TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:09:14,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2021-10-21 19:09:14,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 158. [2021-10-21 19:09:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 157 states have (on average 1.3885350318471337) internal successors, (218), 157 states have internal predecessors, (218), 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) [2021-10-21 19:09:14,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 218 transitions. [2021-10-21 19:09:14,653 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 218 transitions. Word has length 37 [2021-10-21 19:09:14,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:14,655 INFO L470 AbstractCegarLoop]: Abstraction has 158 states and 218 transitions. [2021-10-21 19:09:14,655 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-21 19:09:14,655 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 218 transitions. [2021-10-21 19:09:14,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:09:14,658 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:14,658 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:14,658 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-10-21 19:09:14,659 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:14,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,659 INFO L82 PathProgramCache]: Analyzing trace with hash 1512615668, now seen corresponding path program 1 times [2021-10-21 19:09:14,660 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,664 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1714504037] [2021-10-21 19:09:14,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,665 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:14,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:14,755 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:14,755 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:14,755 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1714504037] [2021-10-21 19:09:14,756 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1714504037] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:14,757 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:14,757 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-10-21 19:09:14,757 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1771570319] [2021-10-21 19:09:14,757 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-10-21 19:09:14,758 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:14,758 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-10-21 19:09:14,758 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-10-21 19:09:14,759 INFO L87 Difference]: Start difference. First operand 158 states and 218 transitions. Second operand has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-21 19:09:14,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:14,847 INFO L93 Difference]: Finished difference Result 430 states and 584 transitions. [2021-10-21 19:09:14,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-10-21 19:09:14,847 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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 37 [2021-10-21 19:09:14,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:14,849 INFO L225 Difference]: With dead ends: 430 [2021-10-21 19:09:14,849 INFO L226 Difference]: Without dead ends: 279 [2021-10-21 19:09:14,851 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 29.0ms TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-10-21 19:09:14,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 279 states. [2021-10-21 19:09:14,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 279 to 166. [2021-10-21 19:09:14,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 165 states have (on average 1.3696969696969696) internal successors, (226), 165 states have internal predecessors, (226), 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) [2021-10-21 19:09:14,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 226 transitions. [2021-10-21 19:09:14,870 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 226 transitions. Word has length 37 [2021-10-21 19:09:14,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:14,871 INFO L470 AbstractCegarLoop]: Abstraction has 166 states and 226 transitions. [2021-10-21 19:09:14,871 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 7.4) internal successors, (37), 5 states have internal predecessors, (37), 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) [2021-10-21 19:09:14,871 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 226 transitions. [2021-10-21 19:09:14,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2021-10-21 19:09:14,878 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:14,878 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:14,878 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-10-21 19:09:14,878 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:14,879 INFO L82 PathProgramCache]: Analyzing trace with hash 491547314, now seen corresponding path program 1 times [2021-10-21 19:09:14,879 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:14,880 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [48806609] [2021-10-21 19:09:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:14,880 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:14,966 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:14,966 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:14,966 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [48806609] [2021-10-21 19:09:14,967 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [48806609] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:14,967 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:14,967 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:09:14,967 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [950144824] [2021-10-21 19:09:14,968 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:09:14,968 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:14,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:09:14,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:14,970 INFO L87 Difference]: Start difference. First operand 166 states and 226 transitions. Second operand has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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) [2021-10-21 19:09:15,005 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:15,005 INFO L93 Difference]: Finished difference Result 383 states and 520 transitions. [2021-10-21 19:09:15,006 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:15,006 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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 37 [2021-10-21 19:09:15,006 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:15,008 INFO L225 Difference]: With dead ends: 383 [2021-10-21 19:09:15,008 INFO L226 Difference]: Without dead ends: 224 [2021-10-21 19:09:15,009 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:15,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 224 states. [2021-10-21 19:09:15,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 224 to 224. [2021-10-21 19:09:15,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 224 states, 223 states have (on average 1.3318385650224216) internal successors, (297), 223 states have internal predecessors, (297), 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) [2021-10-21 19:09:15,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 224 states to 224 states and 297 transitions. [2021-10-21 19:09:15,043 INFO L78 Accepts]: Start accepts. Automaton has 224 states and 297 transitions. Word has length 37 [2021-10-21 19:09:15,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:15,043 INFO L470 AbstractCegarLoop]: Abstraction has 224 states and 297 transitions. [2021-10-21 19:09:15,043 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.333333333333334) internal successors, (37), 2 states have internal predecessors, (37), 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) [2021-10-21 19:09:15,044 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 297 transitions. [2021-10-21 19:09:15,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2021-10-21 19:09:15,047 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:15,047 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-10-21 19:09:15,048 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-10-21 19:09:15,049 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:15,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:15,049 INFO L82 PathProgramCache]: Analyzing trace with hash 2027345266, now seen corresponding path program 1 times [2021-10-21 19:09:15,049 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:15,050 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1631923315] [2021-10-21 19:09:15,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:15,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:15,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:15,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:15,203 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:15,204 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1631923315] [2021-10-21 19:09:15,204 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1631923315] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:15,204 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:15,204 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-10-21 19:09:15,205 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1744454829] [2021-10-21 19:09:15,207 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-10-21 19:09:15,207 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:15,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-10-21 19:09:15,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2021-10-21 19:09:15,215 INFO L87 Difference]: Start difference. First operand 224 states and 297 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-21 19:09:15,535 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:15,535 INFO L93 Difference]: Finished difference Result 1081 states and 1468 transitions. [2021-10-21 19:09:15,535 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-10-21 19:09:15,536 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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 38 [2021-10-21 19:09:15,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:15,543 INFO L225 Difference]: With dead ends: 1081 [2021-10-21 19:09:15,543 INFO L226 Difference]: Without dead ends: 922 [2021-10-21 19:09:15,544 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 86.2ms TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2021-10-21 19:09:15,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 922 states. [2021-10-21 19:09:15,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 922 to 384. [2021-10-21 19:09:15,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 384 states, 383 states have (on average 1.3237597911227155) internal successors, (507), 383 states have internal predecessors, (507), 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) [2021-10-21 19:09:15,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 384 states to 384 states and 507 transitions. [2021-10-21 19:09:15,599 INFO L78 Accepts]: Start accepts. Automaton has 384 states and 507 transitions. Word has length 38 [2021-10-21 19:09:15,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:15,600 INFO L470 AbstractCegarLoop]: Abstraction has 384 states and 507 transitions. [2021-10-21 19:09:15,600 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 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) [2021-10-21 19:09:15,600 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 507 transitions. [2021-10-21 19:09:15,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2021-10-21 19:09:15,601 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:15,601 INFO L512 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, 1, 1] [2021-10-21 19:09:15,602 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-10-21 19:09:15,602 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:15,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:15,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1633592198, now seen corresponding path program 1 times [2021-10-21 19:09:15,603 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:15,604 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17255419] [2021-10-21 19:09:15,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:15,605 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:15,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:15,684 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-21 19:09:15,684 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:15,684 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [17255419] [2021-10-21 19:09:15,684 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [17255419] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:09:15,684 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:09:15,685 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:09:15,685 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748592494] [2021-10-21 19:09:15,685 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-10-21 19:09:15,685 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:15,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-10-21 19:09:15,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:15,686 INFO L87 Difference]: Start difference. First operand 384 states and 507 transitions. Second operand has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2021-10-21 19:09:15,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:15,771 INFO L93 Difference]: Finished difference Result 459 states and 605 transitions. [2021-10-21 19:09:15,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-10-21 19:09:15,771 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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 57 [2021-10-21 19:09:15,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:15,773 INFO L225 Difference]: With dead ends: 459 [2021-10-21 19:09:15,773 INFO L226 Difference]: Without dead ends: 192 [2021-10-21 19:09:15,774 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.7ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-10-21 19:09:15,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2021-10-21 19:09:15,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 192. [2021-10-21 19:09:15,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 191 states have (on average 1.2722513089005236) internal successors, (243), 191 states have internal predecessors, (243), 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) [2021-10-21 19:09:15,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 243 transitions. [2021-10-21 19:09:15,793 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 243 transitions. Word has length 57 [2021-10-21 19:09:15,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:15,793 INFO L470 AbstractCegarLoop]: Abstraction has 192 states and 243 transitions. [2021-10-21 19:09:15,793 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 18.333333333333332) internal successors, (55), 3 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) [2021-10-21 19:09:15,793 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 243 transitions. [2021-10-21 19:09:15,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2021-10-21 19:09:15,795 INFO L504 BasicCegarLoop]: Found error trace [2021-10-21 19:09:15,795 INFO L512 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1] [2021-10-21 19:09:15,795 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-10-21 19:09:15,795 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-10-21 19:09:15,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:09:15,796 INFO L82 PathProgramCache]: Analyzing trace with hash 80874501, now seen corresponding path program 1 times [2021-10-21 19:09:15,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:09:15,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028374118] [2021-10-21 19:09:15,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:15,799 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:09:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:15,870 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:15,870 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:09:15,870 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028374118] [2021-10-21 19:09:15,870 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028374118] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:15,871 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [722485240] [2021-10-21 19:09:15,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:09:15,871 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:15,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:09:15,876 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-10-21 19:09:15,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-10-21 19:09:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:09:16,026 INFO L263 TraceCheckSpWp]: Trace formula consists of 454 conjuncts, 5 conjunts are in the unsatisfiable core [2021-10-21 19:09:16,033 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 19:09:16,258 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:09:16,259 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [722485240] provided 0 perfect and 1 imperfect interpolant sequences [2021-10-21 19:09:16,259 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-10-21 19:09:16,259 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2021-10-21 19:09:16,259 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1568053685] [2021-10-21 19:09:16,260 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-10-21 19:09:16,260 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:09:16,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-10-21 19:09:16,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-10-21 19:09:16,261 INFO L87 Difference]: Start difference. First operand 192 states and 243 transitions. Second operand has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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) [2021-10-21 19:09:16,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:09:16,526 INFO L93 Difference]: Finished difference Result 435 states and 563 transitions. [2021-10-21 19:09:16,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-10-21 19:09:16,527 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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 59 [2021-10-21 19:09:16,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-10-21 19:09:16,528 INFO L225 Difference]: With dead ends: 435 [2021-10-21 19:09:16,528 INFO L226 Difference]: Without dead ends: 0 [2021-10-21 19:09:16,529 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 48.5ms TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2021-10-21 19:09:16,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-10-21 19:09:16,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-10-21 19:09:16,530 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) [2021-10-21 19:09:16,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-10-21 19:09:16,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 59 [2021-10-21 19:09:16,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-10-21 19:09:16,531 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:09:16,531 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 10.875) internal successors, (87), 8 states have internal predecessors, (87), 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) [2021-10-21 19:09:16,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:09:16,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-21 19:09:16,533 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:09:16,534 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:09:16,535 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION [2021-10-21 19:09:16,572 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-10-21 19:09:16,760 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-10-21 19:09:16,762 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-10-21 19:09:16,767 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,838 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,839 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,840 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,889 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,890 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,891 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,892 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,894 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,896 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,897 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:16,927 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,009 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,010 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,011 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,027 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,028 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,044 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,049 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,050 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,051 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,052 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,056 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,057 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,137 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,211 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,212 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,214 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,216 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,217 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,223 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,224 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,285 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,330 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,412 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,413 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,414 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,415 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,467 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,468 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,470 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:17,484 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-10-21 19:09:19,669 INFO L853 garLoopResultBuilder]: At program point L200-7(lines 193 203) the Hoare annotation is: false [2021-10-21 19:09:19,669 INFO L853 garLoopResultBuilder]: At program point L200-8(lines 193 203) the Hoare annotation is: false [2021-10-21 19:09:19,670 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:09:19,670 INFO L857 garLoopResultBuilder]: For program point L366(line 366) no Hoare annotation was computed. [2021-10-21 19:09:19,670 INFO L857 garLoopResultBuilder]: For program point L333(lines 333 339) no Hoare annotation was computed. [2021-10-21 19:09:19,670 INFO L853 garLoopResultBuilder]: At program point L333-1(lines 333 339) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-21 19:09:19,670 INFO L853 garLoopResultBuilder]: At program point L994(lines 985 998) the Hoare annotation is: false [2021-10-21 19:09:19,670 INFO L853 garLoopResultBuilder]: At program point L994-1(lines 985 998) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and (not (= |ULTIMATE.start_isHighWaterSensorDry_#res| 0)) .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-21 19:09:19,671 INFO L853 garLoopResultBuilder]: At program point L994-2(lines 985 998) the Hoare annotation is: false [2021-10-21 19:09:19,671 INFO L853 garLoopResultBuilder]: At program point L994-3(lines 985 998) the Hoare annotation is: false [2021-10-21 19:09:19,671 INFO L853 garLoopResultBuilder]: At program point L994-4(lines 985 998) the Hoare annotation is: false [2021-10-21 19:09:19,671 INFO L853 garLoopResultBuilder]: At program point L994-5(lines 985 998) the Hoare annotation is: false [2021-10-21 19:09:19,671 INFO L853 garLoopResultBuilder]: At program point L863(lines 858 865) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:09:19,671 INFO L857 garLoopResultBuilder]: For program point L369(lines 369 373) no Hoare annotation was computed. [2021-10-21 19:09:19,671 INFO L857 garLoopResultBuilder]: For program point L369-1(lines 369 373) no Hoare annotation was computed. [2021-10-21 19:09:19,672 INFO L857 garLoopResultBuilder]: For program point L139(lines 139 156) no Hoare annotation was computed. [2021-10-21 19:09:19,672 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 139 156) no Hoare annotation was computed. [2021-10-21 19:09:19,672 INFO L857 garLoopResultBuilder]: For program point L139-2(lines 139 156) no Hoare annotation was computed. [2021-10-21 19:09:19,672 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 278) no Hoare annotation was computed. [2021-10-21 19:09:19,672 INFO L853 garLoopResultBuilder]: At program point L272-1(lines 272 278) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= ~waterLevel~0 2)) [2021-10-21 19:09:19,672 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:09:19,672 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 313) no Hoare annotation was computed. [2021-10-21 19:09:19,673 INFO L853 garLoopResultBuilder]: At program point L307-1(lines 307 313) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-21 19:09:19,673 INFO L857 garLoopResultBuilder]: For program point L175(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:09:19,673 INFO L857 garLoopResultBuilder]: For program point L175-2(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:09:19,673 INFO L857 garLoopResultBuilder]: For program point L175-4(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:09:19,673 INFO L857 garLoopResultBuilder]: For program point L175-6(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:09:19,673 INFO L857 garLoopResultBuilder]: For program point L175-8(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:09:19,673 INFO L857 garLoopResultBuilder]: For program point L175-10(lines 175 181) no Hoare annotation was computed. [2021-10-21 19:09:19,674 INFO L853 garLoopResultBuilder]: At program point L209(lines 204 212) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2)) (.cse5 (= |ULTIMATE.start_isPumpRunning_#res| 1)) (.cse6 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 .cse5 .cse6) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6))) [2021-10-21 19:09:19,674 INFO L853 garLoopResultBuilder]: At program point L209-1(lines 204 212) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-21 19:09:19,674 INFO L857 garLoopResultBuilder]: For program point L143(lines 143 151) no Hoare annotation was computed. [2021-10-21 19:09:19,674 INFO L853 garLoopResultBuilder]: At program point L209-2(lines 204 212) the Hoare annotation is: false [2021-10-21 19:09:19,674 INFO L857 garLoopResultBuilder]: For program point L143-1(lines 143 151) no Hoare annotation was computed. [2021-10-21 19:09:19,674 INFO L853 garLoopResultBuilder]: At program point L209-3(lines 204 212) the Hoare annotation is: false [2021-10-21 19:09:19,674 INFO L853 garLoopResultBuilder]: At program point L209-4(lines 204 212) the Hoare annotation is: false [2021-10-21 19:09:19,675 INFO L857 garLoopResultBuilder]: For program point L143-2(lines 143 151) no Hoare annotation was computed. [2021-10-21 19:09:19,675 INFO L853 garLoopResultBuilder]: At program point L209-5(lines 204 212) the Hoare annotation is: false [2021-10-21 19:09:19,675 INFO L857 garLoopResultBuilder]: For program point L936(lines 936 940) no Hoare annotation was computed. [2021-10-21 19:09:19,675 INFO L857 garLoopResultBuilder]: For program point L441(lines 441 448) no Hoare annotation was computed. [2021-10-21 19:09:19,675 INFO L860 garLoopResultBuilder]: At program point L441-1(lines 441 448) the Hoare annotation is: true [2021-10-21 19:09:19,675 INFO L857 garLoopResultBuilder]: For program point L113(lines 113 130) no Hoare annotation was computed. [2021-10-21 19:09:19,675 INFO L857 garLoopResultBuilder]: For program point L113-1(lines 113 130) no Hoare annotation was computed. [2021-10-21 19:09:19,675 INFO L857 garLoopResultBuilder]: For program point L113-2(lines 113 130) no Hoare annotation was computed. [2021-10-21 19:09:19,675 INFO L857 garLoopResultBuilder]: For program point L113-3(lines 113 130) no Hoare annotation was computed. [2021-10-21 19:09:19,676 INFO L857 garLoopResultBuilder]: For program point L113-4(lines 113 130) no Hoare annotation was computed. [2021-10-21 19:09:19,676 INFO L857 garLoopResultBuilder]: For program point L113-5(lines 113 130) no Hoare annotation was computed. [2021-10-21 19:09:19,676 INFO L853 garLoopResultBuilder]: At program point L873(lines 81 87) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_isPumpRunning_#res| 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse4 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse4 (= 0 ~systemActive~0)) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse4 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-21 19:09:19,676 INFO L853 garLoopResultBuilder]: At program point L873-1(lines 81 87) the Hoare annotation is: false [2021-10-21 19:09:19,676 INFO L853 garLoopResultBuilder]: At program point L873-2(lines 81 87) the Hoare annotation is: false [2021-10-21 19:09:19,676 INFO L853 garLoopResultBuilder]: At program point L345(lines 296 346) the Hoare annotation is: false [2021-10-21 19:09:19,676 INFO L853 garLoopResultBuilder]: At program point L81(lines 77 99) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)))) [2021-10-21 19:09:19,677 INFO L853 garLoopResultBuilder]: At program point L81-1(lines 77 99) the Hoare annotation is: false [2021-10-21 19:09:19,677 INFO L853 garLoopResultBuilder]: At program point L81-2(lines 77 99) the Hoare annotation is: false [2021-10-21 19:09:19,677 INFO L853 garLoopResultBuilder]: At program point L413(lines 409 415) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:09:19,677 INFO L853 garLoopResultBuilder]: At program point L843(lines 1 998) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:09:19,677 INFO L857 garLoopResultBuilder]: For program point L117(lines 117 125) no Hoare annotation was computed. [2021-10-21 19:09:19,677 INFO L857 garLoopResultBuilder]: For program point L117-1(lines 117 125) no Hoare annotation was computed. [2021-10-21 19:09:19,677 INFO L857 garLoopResultBuilder]: For program point L117-2(lines 117 125) no Hoare annotation was computed. [2021-10-21 19:09:19,677 INFO L857 garLoopResultBuilder]: For program point L117-3(lines 117 125) no Hoare annotation was computed. [2021-10-21 19:09:19,678 INFO L857 garLoopResultBuilder]: For program point L117-4(lines 117 125) no Hoare annotation was computed. [2021-10-21 19:09:19,678 INFO L857 garLoopResultBuilder]: For program point L117-5(lines 117 125) no Hoare annotation was computed. [2021-10-21 19:09:19,678 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-10-21 19:09:19,678 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 323) no Hoare annotation was computed. [2021-10-21 19:09:19,678 INFO L853 garLoopResultBuilder]: At program point L317-1(lines 317 323) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-21 19:09:19,678 INFO L857 garLoopResultBuilder]: For program point L912(lines 912 916) no Hoare annotation was computed. [2021-10-21 19:09:19,678 INFO L857 garLoopResultBuilder]: For program point L912-3(lines 912 916) no Hoare annotation was computed. [2021-10-21 19:09:19,678 INFO L857 garLoopResultBuilder]: For program point L912-6(lines 912 916) no Hoare annotation was computed. [2021-10-21 19:09:19,679 INFO L860 garLoopResultBuilder]: At program point L450(lines 431 453) the Hoare annotation is: true [2021-10-21 19:09:19,679 INFO L857 garLoopResultBuilder]: For program point L54(line 54) no Hoare annotation was computed. [2021-10-21 19:09:19,679 INFO L857 garLoopResultBuilder]: For program point L54-1(line 54) no Hoare annotation was computed. [2021-10-21 19:09:19,679 INFO L857 garLoopResultBuilder]: For program point L54-2(line 54) no Hoare annotation was computed. [2021-10-21 19:09:19,679 INFO L853 garLoopResultBuilder]: At program point L88(lines 88 94) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse3 .cse2 .cse4))) [2021-10-21 19:09:19,679 INFO L853 garLoopResultBuilder]: At program point L88-1(lines 88 94) the Hoare annotation is: false [2021-10-21 19:09:19,679 INFO L853 garLoopResultBuilder]: At program point L88-2(lines 88 94) the Hoare annotation is: false [2021-10-21 19:09:19,680 INFO L853 garLoopResultBuilder]: At program point L981(lines 976 984) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-10-21 19:09:19,680 INFO L853 garLoopResultBuilder]: At program point L981-1(lines 976 984) the Hoare annotation is: false [2021-10-21 19:09:19,680 INFO L853 garLoopResultBuilder]: At program point L981-2(lines 976 984) the Hoare annotation is: false [2021-10-21 19:09:19,680 INFO L853 garLoopResultBuilder]: At program point L949(lines 944 952) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-21 19:09:19,680 INFO L853 garLoopResultBuilder]: At program point L949-1(lines 944 952) the Hoare annotation is: false [2021-10-21 19:09:19,680 INFO L853 garLoopResultBuilder]: At program point L949-2(lines 944 952) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2)) [2021-10-21 19:09:19,680 INFO L853 garLoopResultBuilder]: At program point L949-3(lines 944 952) the Hoare annotation is: false [2021-10-21 19:09:19,681 INFO L853 garLoopResultBuilder]: At program point L949-4(lines 944 952) the Hoare annotation is: false [2021-10-21 19:09:19,681 INFO L853 garLoopResultBuilder]: At program point L949-5(lines 944 952) the Hoare annotation is: false [2021-10-21 19:09:19,681 INFO L853 garLoopResultBuilder]: At program point L949-6(lines 944 952) the Hoare annotation is: false [2021-10-21 19:09:19,681 INFO L853 garLoopResultBuilder]: At program point L949-7(lines 944 952) the Hoare annotation is: false [2021-10-21 19:09:19,681 INFO L853 garLoopResultBuilder]: At program point L949-8(lines 944 952) the Hoare annotation is: false [2021-10-21 19:09:19,681 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-10-21 19:09:19,681 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 901) no Hoare annotation was computed. [2021-10-21 19:09:19,681 INFO L853 garLoopResultBuilder]: At program point L851(lines 846 854) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= 1 ~systemActive~0) (= ~waterLevel~0 1)) [2021-10-21 19:09:19,681 INFO L853 garLoopResultBuilder]: At program point L884-1(lines 1 998) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 0)) (.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse3 (= 1 ~systemActive~0)) (.cse2 (<= ~waterLevel~0 2)) (.cse4 (= ~pumpRunning~0 1))) (or (and .cse0 .cse1 .cse2 (= 0 ~systemActive~0)) (and .cse0 (< 1 ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9) (<= 2 ~waterLevel~0) .cse3 (<= |ULTIMATE.start_getWaterLevel_#res| 2) .cse2 (<= ULTIMATE.start___utac_acc__Specification5_spec__3_~tmp~9 2) (<= 2 |ULTIMATE.start_getWaterLevel_#res|) .cse4) (and .cse0 .cse1 .cse3 .cse2) (and .cse0 .cse3 (= ~switchedOnBeforeTS~0 1) .cse2 (= |ULTIMATE.start_isPumpRunning_#res| 1) .cse4))) [2021-10-21 19:09:19,682 INFO L857 garLoopResultBuilder]: For program point L884-2(lines 884 901) no Hoare annotation was computed. [2021-10-21 19:09:19,682 INFO L853 garLoopResultBuilder]: At program point L884-3(lines 1 998) the Hoare annotation is: false [2021-10-21 19:09:19,682 INFO L857 garLoopResultBuilder]: For program point L884-4(lines 884 901) no Hoare annotation was computed. [2021-10-21 19:09:19,682 INFO L853 garLoopResultBuilder]: At program point L884-5(lines 1 998) the Hoare annotation is: false [2021-10-21 19:09:19,682 INFO L857 garLoopResultBuilder]: For program point L258(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,682 INFO L857 garLoopResultBuilder]: For program point L258-2(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,682 INFO L857 garLoopResultBuilder]: For program point L258-3(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,682 INFO L857 garLoopResultBuilder]: For program point L258-5(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-6(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-8(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-9(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-11(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-12(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-14(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-15(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L258-17(lines 258 262) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-10-21 19:09:19,683 INFO L857 garLoopResultBuilder]: For program point L888(lines 888 898) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L888-2(lines 888 898) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L888-4(lines 888 898) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L327(lines 327 340) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L889(lines 889 895) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L889-2(lines 889 895) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L889-4(lines 889 895) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 995) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L989-1(lines 989 995) no Hoare annotation was computed. [2021-10-21 19:09:19,684 INFO L857 garLoopResultBuilder]: For program point L989-2(lines 989 995) no Hoare annotation was computed. [2021-10-21 19:09:19,685 INFO L857 garLoopResultBuilder]: For program point L989-3(lines 989 995) no Hoare annotation was computed. [2021-10-21 19:09:19,685 INFO L857 garLoopResultBuilder]: For program point L989-4(lines 989 995) no Hoare annotation was computed. [2021-10-21 19:09:19,685 INFO L857 garLoopResultBuilder]: For program point L989-5(lines 989 995) no Hoare annotation was computed. [2021-10-21 19:09:19,685 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-10-21 19:09:19,685 INFO L857 garLoopResultBuilder]: For program point L924(lines 924 928) no Hoare annotation was computed. [2021-10-21 19:09:19,685 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 54) no Hoare annotation was computed. [2021-10-21 19:09:19,685 INFO L853 garLoopResultBuilder]: At program point L264(lines 249 267) the Hoare annotation is: false [2021-10-21 19:09:19,685 INFO L853 garLoopResultBuilder]: At program point L264-1(lines 249 267) the Hoare annotation is: (let ((.cse0 (= ULTIMATE.start_test_~splverifierCounter~0 0)) (.cse1 (= ~pumpRunning~0 0)) (.cse2 (= 1 ~systemActive~0)) (.cse3 (<= ~waterLevel~0 2))) (or (and .cse0 .cse1 (= ULTIMATE.start_isHighWaterLevel_~tmp___0~0 0) (= |ULTIMATE.start_isHighWaterLevel_#res| 0) .cse2 .cse3 (not (= ULTIMATE.start_isHighWaterLevel_~tmp~3 0))) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3))) [2021-10-21 19:09:19,686 INFO L853 garLoopResultBuilder]: At program point L264-2(lines 249 267) the Hoare annotation is: false [2021-10-21 19:09:19,686 INFO L853 garLoopResultBuilder]: At program point L264-3(lines 249 267) the Hoare annotation is: false [2021-10-21 19:09:19,686 INFO L853 garLoopResultBuilder]: At program point L264-4(lines 249 267) the Hoare annotation is: false [2021-10-21 19:09:19,686 INFO L853 garLoopResultBuilder]: At program point L264-5(lines 249 267) the Hoare annotation is: false [2021-10-21 19:09:19,686 INFO L857 garLoopResultBuilder]: For program point L298(lines 297 344) no Hoare annotation was computed. [2021-10-21 19:09:19,686 INFO L857 garLoopResultBuilder]: For program point L299(lines 299 303) no Hoare annotation was computed. [2021-10-21 19:09:19,686 INFO L853 garLoopResultBuilder]: At program point L365-2(lines 365 379) the Hoare annotation is: false [2021-10-21 19:09:19,686 INFO L853 garLoopResultBuilder]: At program point L200(lines 193 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 1) (<= ~waterLevel~0 2) (= |ULTIMATE.start_isPumpRunning_#res| 1) (= ~pumpRunning~0 1)) [2021-10-21 19:09:19,687 INFO L853 garLoopResultBuilder]: At program point L200-1(lines 193 203) the Hoare annotation is: false [2021-10-21 19:09:19,687 INFO L853 garLoopResultBuilder]: At program point L200-2(lines 193 203) the Hoare annotation is: (and (= ULTIMATE.start_test_~splverifierCounter~0 0) (= ~pumpRunning~0 0) (<= 2 ~waterLevel~0) (= 1 ~systemActive~0) (<= ~waterLevel~0 2)) [2021-10-21 19:09:19,687 INFO L853 garLoopResultBuilder]: At program point L200-3(lines 193 203) the Hoare annotation is: false [2021-10-21 19:09:19,687 INFO L853 garLoopResultBuilder]: At program point L200-4(lines 193 203) the Hoare annotation is: false [2021-10-21 19:09:19,687 INFO L853 garLoopResultBuilder]: At program point L200-5(lines 193 203) the Hoare annotation is: false [2021-10-21 19:09:19,687 INFO L853 garLoopResultBuilder]: At program point L200-6(lines 193 203) the Hoare annotation is: false [2021-10-21 19:09:19,691 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-10-21 19:09:19,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.10 07:09:19 BoogieIcfgContainer [2021-10-21 19:09:19,720 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-21 19:09:19,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:09:19,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:09:19,721 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:09:19,721 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:09:13" (3/4) ... [2021-10-21 19:09:19,724 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-21 19:09:19,746 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 41 nodes and edges [2021-10-21 19:09:19,748 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2021-10-21 19:09:19,749 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2021-10-21 19:09:19,750 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-10-21 19:09:19,752 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-21 19:09:19,753 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:09:19,754 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-21 19:09:19,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 1 < tmp) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && tmp <= 2) && 2 <= \result) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-21 19:09:19,778 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-21 19:09:19,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-21 19:09:19,779 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-21 19:09:19,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-21 19:09:19,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-21 19:09:19,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-21 19:09:19,780 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) [2021-10-21 19:09:19,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-21 19:09:19,782 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-21 19:09:19,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 [2021-10-21 19:09:19,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) [2021-10-21 19:09:19,783 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) [2021-10-21 19:09:19,784 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) && !(tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) [2021-10-21 19:09:19,849 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/witness.graphml [2021-10-21 19:09:19,849 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:09:19,850 INFO L168 Benchmark]: Toolchain (without parser) took 8649.55 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 57.5 MB in the beginning and 32.2 MB in the end (delta: 25.3 MB). Peak memory consumption was 59.9 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:19,851 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 73.4 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:09:19,851 INFO L168 Benchmark]: CACSL2BoogieTranslator took 648.65 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 58.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:19,851 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.41 ms. Allocated memory is still 92.3 MB. Free memory was 58.5 MB in the beginning and 54.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:19,852 INFO L168 Benchmark]: Boogie Preprocessor took 60.86 ms. Allocated memory is still 92.3 MB. Free memory was 54.5 MB in the beginning and 51.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:19,852 INFO L168 Benchmark]: RCFGBuilder took 1135.66 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 42.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:19,852 INFO L168 Benchmark]: TraceAbstraction took 6558.47 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 42.4 MB in the beginning and 44.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:19,853 INFO L168 Benchmark]: Witness Printer took 128.48 ms. Allocated memory is still 125.8 MB. Free memory was 44.8 MB in the beginning and 32.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-21 19:09:19,855 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 73.4 MB. Free memory was 49.3 MB in the beginning and 49.3 MB in the end (delta: 21.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 648.65 ms. Allocated memory is still 92.3 MB. Free memory was 57.2 MB in the beginning and 58.5 MB in the end (delta: -1.4 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 105.41 ms. Allocated memory is still 92.3 MB. Free memory was 58.5 MB in the beginning and 54.5 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 60.86 ms. Allocated memory is still 92.3 MB. Free memory was 54.5 MB in the beginning and 51.3 MB in the end (delta: 3.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1135.66 ms. Allocated memory is still 92.3 MB. Free memory was 51.3 MB in the beginning and 42.9 MB in the end (delta: 8.4 MB). Peak memory consumption was 27.2 MB. Max. memory is 16.1 GB. * TraceAbstraction took 6558.47 ms. Allocated memory was 92.3 MB in the beginning and 125.8 MB in the end (delta: 33.6 MB). Free memory was 42.4 MB in the beginning and 44.8 MB in the end (delta: -2.4 MB). Peak memory consumption was 47.8 MB. Max. memory is 16.1 GB. * Witness Printer took 128.48 ms. Allocated memory is still 125.8 MB. Free memory was 44.8 MB in the beginning and 32.2 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 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, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 54]: 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, 140 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 6470.5ms, OverallIterations: 11, TraceHistogramMax: 2, EmptinessCheckTime: 31.1ms, AutomataDifference: 1261.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 2908.0ms, InitialAbstractionConstructionTime: 13.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 1263 SDtfs, 1596 SDslu, 1826 SDs, 0 SdLazy, 270 SolverSat, 89 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 491.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 124 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 240.6ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=384occurred in iteration=9, InterpolantAutomatonStates: 59, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 252.2ms AutomataMinimizationTime, 11 MinimizatonAttempts, 983 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 63 LocationsWithAnnotation, 63 PreInvPairs, 205 NumberOfFragments, 847 HoareAnnotationTreeSize, 63 FomulaSimplifications, 78074 FormulaSimplificationTreeSizeReduction, 718.7ms HoareSimplificationTime, 63 FomulaSimplificationsInter, 22152 FormulaSimplificationTreeSizeReductionInter, 2172.6ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 90.2ms SsaConstructionTime, 422.9ms SatisfiabilityAnalysisTime, 951.0ms InterpolantComputationTime, 446 NumberOfCodeBlocks, 446 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 434 ConstructedInterpolants, 0 QuantifiedInterpolants, 882 SizeOfPredicates, 3 NumberOfNonLiveVariables, 454 ConjunctsInSsa, 5 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 41/47 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: 1]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || ((((((((splverifierCounter == 0 && 1 < tmp) && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && tmp <= 2) && 2 <= \result) && pumpRunning == 1)) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 272]: Loop Invariant Derived loop invariant: (splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || ((((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && \result <= 2) && waterLevel <= 2) && 2 <= \result) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 317]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 846]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: ((((!(\result == 0) && splverifierCounter == 0) && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && tmp___0 == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) && !(tmp == 0)) || ((((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 858]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: (((splverifierCounter == 0 && pumpRunning == 0) && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 431]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 307]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 976]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: ((((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || (((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 333]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1)) || ((((splverifierCounter == 0 && 2 <= waterLevel) && 1 == systemActive) && waterLevel <= 2) && pumpRunning == 1) - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 985]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 88]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 296]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 77]: Loop Invariant Derived loop invariant: ((((splverifierCounter == 0 && pumpRunning == 0) && waterLevel <= 2) && 0 == systemActive) || (((splverifierCounter == 0 && pumpRunning == 0) && 1 == systemActive) && waterLevel <= 2)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (pumpRunning == 0 && 1 == systemActive) && waterLevel == 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 193]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 249]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 81]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: (((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && 1 == systemActive) && waterLevel <= 2) || ((((splverifierCounter == 0 && pumpRunning == 0) && \result == 0) && waterLevel <= 2) && 0 == systemActive)) || (((((splverifierCounter == 0 && 1 == systemActive) && switchedOnBeforeTS == 1) && waterLevel <= 2) && \result == 1) && pumpRunning == 1) - InvariantResult [Line: 944]: Loop Invariant Derived loop invariant: 0 RESULT: Ultimate proved your program to be correct! [2021-10-21 19:09:19,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_946e40f7-6972-40f0-89cc-5186bce85979/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...