./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/config/AutomizerReach.xml -i ../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0 --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 e4fc698cb41b54b4c4983dda7de32b2f9c78701d9e96fbbf9a36472a5bdbde25 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-22 16:09:00,662 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-22 16:09:00,665 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-22 16:09:00,712 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-22 16:09:00,713 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-22 16:09:00,714 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-22 16:09:00,717 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-22 16:09:00,720 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-22 16:09:00,723 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-22 16:09:00,725 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-22 16:09:00,726 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-22 16:09:00,728 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-22 16:09:00,729 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-22 16:09:00,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-22 16:09:00,733 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-22 16:09:00,735 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-22 16:09:00,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-22 16:09:00,738 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-22 16:09:00,741 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-22 16:09:00,744 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-22 16:09:00,746 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-22 16:09:00,750 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-22 16:09:00,752 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-22 16:09:00,754 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-22 16:09:00,764 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-22 16:09:00,770 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-22 16:09:00,771 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-22 16:09:00,773 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-22 16:09:00,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-22 16:09:00,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-22 16:09:00,780 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-22 16:09:00,781 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-22 16:09:00,784 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-22 16:09:00,786 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-22 16:09:00,788 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-22 16:09:00,789 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-22 16:09:00,790 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-22 16:09:00,790 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-22 16:09:00,790 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-22 16:09:00,792 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-22 16:09:00,793 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-22 16:09:00,794 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-11-22 16:09:00,849 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-22 16:09:00,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-22 16:09:00,850 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-22 16:09:00,850 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-22 16:09:00,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-22 16:09:00,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-22 16:09:00,853 INFO L138 SettingsManager]: * Use SBE=true [2021-11-22 16:09:00,853 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-22 16:09:00,853 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-22 16:09:00,854 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-22 16:09:00,855 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-22 16:09:00,855 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-22 16:09:00,855 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-22 16:09:00,856 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-22 16:09:00,856 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-22 16:09:00,856 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-22 16:09:00,857 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-22 16:09:00,857 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-22 16:09:00,857 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-22 16:09:00,857 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-22 16:09:00,858 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-22 16:09:00,858 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-22 16:09:00,858 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:09:00,859 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-22 16:09:00,859 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-22 16:09:00,859 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-22 16:09:00,859 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-22 16:09:00,860 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-22 16:09:00,860 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-22 16:09:00,862 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-22 16:09:00,862 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-22 16:09:00,863 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-22 16:09:00,863 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_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e4fc698cb41b54b4c4983dda7de32b2f9c78701d9e96fbbf9a36472a5bdbde25 [2021-11-22 16:09:01,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-22 16:09:01,280 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-22 16:09:01,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-22 16:09:01,285 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-22 16:09:01,286 INFO L275 PluginConnector]: CDTParser initialized [2021-11-22 16:09:01,288 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/../../sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-11-22 16:09:01,393 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/data/a1f14ee79/14e631d24c0e48a7b730ed8303fca773/FLAGd6c1db0bf [2021-11-22 16:09:02,042 INFO L306 CDTParser]: Found 1 translation units. [2021-11-22 16:09:02,048 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c [2021-11-22 16:09:02,065 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/data/a1f14ee79/14e631d24c0e48a7b730ed8303fca773/FLAGd6c1db0bf [2021-11-22 16:09:02,321 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/data/a1f14ee79/14e631d24c0e48a7b730ed8303fca773 [2021-11-22 16:09:02,324 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-22 16:09:02,326 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-22 16:09:02,335 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-22 16:09:02,335 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-22 16:09:02,355 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-22 16:09:02,356 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:09:02" (1/1) ... [2021-11-22 16:09:02,357 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f71f3d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:02, skipping insertion in model container [2021-11-22 16:09:02,357 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 04:09:02" (1/1) ... [2021-11-22 16:09:02,366 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-22 16:09:02,439 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-22 16:09:02,827 WARN L230 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_786a3ebf-e62c-4590-a0ef-1d354c76ff62/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18431,18444] [2021-11-22 16:09:02,844 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:09:02,860 INFO L203 MainTranslator]: Completed pre-run [2021-11-22 16:09:02,979 WARN L230 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_786a3ebf-e62c-4590-a0ef-1d354c76ff62/sv-benchmarks/c/product-lines/minepump_spec4_product52.cil.c[18431,18444] [2021-11-22 16:09:02,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-22 16:09:03,005 INFO L208 MainTranslator]: Completed translation [2021-11-22 16:09:03,006 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03 WrapperNode [2021-11-22 16:09:03,006 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-22 16:09:03,007 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-22 16:09:03,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-22 16:09:03,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-22 16:09:03,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,036 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,119 INFO L137 Inliner]: procedures = 57, calls = 157, calls flagged for inlining = 54, calls inlined = 80, statements flattened = 638 [2021-11-22 16:09:03,120 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-22 16:09:03,121 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-22 16:09:03,121 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-22 16:09:03,121 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-22 16:09:03,132 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,132 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,152 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,152 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,172 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,196 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,211 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,216 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-22 16:09:03,217 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-22 16:09:03,217 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-22 16:09:03,218 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-22 16:09:03,233 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (1/1) ... [2021-11-22 16:09:03,244 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-22 16:09:03,258 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:03,273 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-22 16:09:03,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-22 16:09:03,340 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-22 16:09:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-22 16:09:03,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-22 16:09:03,341 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-22 16:09:03,430 INFO L236 CfgBuilder]: Building ICFG [2021-11-22 16:09:03,433 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-22 16:09:04,094 INFO L277 CfgBuilder]: Performing block encoding [2021-11-22 16:09:04,111 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-22 16:09:04,114 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-22 16:09:04,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:09:04 BoogieIcfgContainer [2021-11-22 16:09:04,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-22 16:09:04,123 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-22 16:09:04,124 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-22 16:09:04,128 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-22 16:09:04,128 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 04:09:02" (1/3) ... [2021-11-22 16:09:04,129 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417a2e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:09:04, skipping insertion in model container [2021-11-22 16:09:04,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 04:09:03" (2/3) ... [2021-11-22 16:09:04,130 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@417a2e34 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 04:09:04, skipping insertion in model container [2021-11-22 16:09:04,130 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:09:04" (3/3) ... [2021-11-22 16:09:04,132 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product52.cil.c [2021-11-22 16:09:04,145 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-22 16:09:04,146 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 3 error locations. [2021-11-22 16:09:04,246 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-22 16:09:04,255 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 [2021-11-22 16:09:04,255 INFO L340 AbstractCegarLoop]: Starting to check reachability of 3 error locations. [2021-11-22 16:09:04,281 INFO L276 IsEmpty]: Start isEmpty. Operand has 170 states, 166 states have (on average 1.391566265060241) internal successors, (231), 169 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:04,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2021-11-22 16:09:04,290 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:04,291 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:04,292 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:04,299 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:04,299 INFO L85 PathProgramCache]: Analyzing trace with hash -1776264566, now seen corresponding path program 1 times [2021-11-22 16:09:04,311 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:04,312 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648002427] [2021-11-22 16:09:04,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:04,313 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:04,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:04,560 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:04,561 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:04,561 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1648002427] [2021-11-22 16:09:04,562 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1648002427] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:04,563 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:04,563 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 16:09:04,566 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100501193] [2021-11-22 16:09:04,572 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:04,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2021-11-22 16:09:04,579 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:04,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-11-22 16:09:04,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 16:09:04,631 INFO L87 Difference]: Start difference. First operand has 170 states, 166 states have (on average 1.391566265060241) internal successors, (231), 169 states have internal predecessors, (231), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:04,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:04,723 INFO L93 Difference]: Finished difference Result 330 states and 451 transitions. [2021-11-22 16:09:04,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-11-22 16:09:04,726 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2021-11-22 16:09:04,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:04,745 INFO L225 Difference]: With dead ends: 330 [2021-11-22 16:09:04,746 INFO L226 Difference]: Without dead ends: 160 [2021-11-22 16:09:04,752 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-11-22 16:09:04,759 INFO L933 BasicCegarLoop]: 221 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:04,761 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [0 Valid, 221 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:09:04,786 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2021-11-22 16:09:04,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 160. [2021-11-22 16:09:04,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 157 states have (on average 1.356687898089172) internal successors, (213), 159 states have internal predecessors, (213), 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) [2021-11-22 16:09:04,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 213 transitions. [2021-11-22 16:09:04,854 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 213 transitions. Word has length 17 [2021-11-22 16:09:04,854 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:04,854 INFO L470 AbstractCegarLoop]: Abstraction has 160 states and 213 transitions. [2021-11-22 16:09:04,855 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 8.5) internal successors, (17), 2 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:04,855 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 213 transitions. [2021-11-22 16:09:04,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2021-11-22 16:09:04,857 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:04,857 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:04,858 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-22 16:09:04,858 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:04,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:04,860 INFO L85 PathProgramCache]: Analyzing trace with hash 879028654, now seen corresponding path program 1 times [2021-11-22 16:09:04,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:04,860 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464393400] [2021-11-22 16:09:04,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:04,861 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:04,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:05,011 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:05,012 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:05,013 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464393400] [2021-11-22 16:09:05,013 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [464393400] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:05,013 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:05,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-11-22 16:09:05,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1685748675] [2021-11-22 16:09:05,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:05,018 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:09:05,019 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:05,020 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:09:05,021 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:09:05,021 INFO L87 Difference]: Start difference. First operand 160 states and 213 transitions. Second operand has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:05,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:05,053 INFO L93 Difference]: Finished difference Result 160 states and 213 transitions. [2021-11-22 16:09:05,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:09:05,059 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2021-11-22 16:09:05,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:05,060 INFO L225 Difference]: With dead ends: 160 [2021-11-22 16:09:05,060 INFO L226 Difference]: Without dead ends: 69 [2021-11-22 16:09:05,061 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:09:05,063 INFO L933 BasicCegarLoop]: 90 mSDtfsCounter, 83 mSDsluCounter, 6 mSDsCounter, 0 mSdLazyCounter, 1 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 96 SdHoareTripleChecker+Invalid, 1 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 1 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:05,064 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [83 Valid, 96 Invalid, 1 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 1 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:09:05,066 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 69 states. [2021-11-22 16:09:05,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 69 to 69. [2021-11-22 16:09:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 68 states have (on average 1.338235294117647) internal successors, (91), 68 states have internal predecessors, (91), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2021-11-22 16:09:05,087 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 18 [2021-11-22 16:09:05,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:05,088 INFO L470 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2021-11-22 16:09:05,088 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 6.0) internal successors, (18), 3 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:05,089 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2021-11-22 16:09:05,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2021-11-22 16:09:05,090 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:05,090 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:05,091 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-22 16:09:05,091 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:05,092 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:05,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1024184613, now seen corresponding path program 1 times [2021-11-22 16:09:05,092 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:05,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2040119488] [2021-11-22 16:09:05,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:05,103 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:05,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:05,291 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:05,292 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2040119488] [2021-11-22 16:09:05,292 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2040119488] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:05,292 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:05,293 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:09:05,293 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273010321] [2021-11-22 16:09:05,293 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:05,294 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:09:05,294 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:05,295 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:09:05,295 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:09:05,295 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:05,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:05,507 INFO L93 Difference]: Finished difference Result 282 states and 381 transitions. [2021-11-22 16:09:05,507 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:09:05,508 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 25 [2021-11-22 16:09:05,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:05,520 INFO L225 Difference]: With dead ends: 282 [2021-11-22 16:09:05,521 INFO L226 Difference]: Without dead ends: 220 [2021-11-22 16:09:05,523 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:09:05,528 INFO L933 BasicCegarLoop]: 98 mSDtfsCounter, 398 mSDsluCounter, 536 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 398 SdHoareTripleChecker+Valid, 634 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:05,532 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [398 Valid, 634 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:05,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2021-11-22 16:09:05,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 94. [2021-11-22 16:09:05,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 93 states have (on average 1.3548387096774193) internal successors, (126), 93 states have internal predecessors, (126), 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) [2021-11-22 16:09:05,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 126 transitions. [2021-11-22 16:09:05,586 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 126 transitions. Word has length 25 [2021-11-22 16:09:05,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:05,586 INFO L470 AbstractCegarLoop]: Abstraction has 94 states and 126 transitions. [2021-11-22 16:09:05,587 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 4.166666666666667) internal successors, (25), 5 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:05,587 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 126 transitions. [2021-11-22 16:09:05,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2021-11-22 16:09:05,589 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:05,589 INFO L514 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] [2021-11-22 16:09:05,589 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-22 16:09:05,590 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:05,590 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:05,591 INFO L85 PathProgramCache]: Analyzing trace with hash -234319823, now seen corresponding path program 1 times [2021-11-22 16:09:05,591 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:05,591 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869923682] [2021-11-22 16:09:05,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:05,592 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:05,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:05,734 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:05,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:05,735 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869923682] [2021-11-22 16:09:05,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869923682] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:05,736 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:05,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:09:05,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2004222326] [2021-11-22 16:09:05,736 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:05,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:05,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:05,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:05,738 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:05,739 INFO L87 Difference]: Start difference. First operand 94 states and 126 transitions. Second operand has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 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) [2021-11-22 16:09:05,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:05,925 INFO L93 Difference]: Finished difference Result 362 states and 496 transitions. [2021-11-22 16:09:05,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:09:05,926 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 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 [2021-11-22 16:09:05,928 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:05,930 INFO L225 Difference]: With dead ends: 362 [2021-11-22 16:09:05,931 INFO L226 Difference]: Without dead ends: 275 [2021-11-22 16:09:05,934 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2021-11-22 16:09:05,946 INFO L933 BasicCegarLoop]: 145 mSDtfsCounter, 295 mSDsluCounter, 273 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 295 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:05,950 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [295 Valid, 418 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:05,953 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 275 states. [2021-11-22 16:09:06,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 275 to 173. [2021-11-22 16:09:06,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 172 states have (on average 1.3488372093023255) internal successors, (232), 172 states have internal predecessors, (232), 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) [2021-11-22 16:09:06,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 232 transitions. [2021-11-22 16:09:06,007 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 232 transitions. Word has length 28 [2021-11-22 16:09:06,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:06,009 INFO L470 AbstractCegarLoop]: Abstraction has 173 states and 232 transitions. [2021-11-22 16:09:06,009 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 5.6) internal successors, (28), 4 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) [2021-11-22 16:09:06,010 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 232 transitions. [2021-11-22 16:09:06,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2021-11-22 16:09:06,018 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:06,018 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:06,019 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-22 16:09:06,019 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:06,023 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:06,023 INFO L85 PathProgramCache]: Analyzing trace with hash 302798326, now seen corresponding path program 1 times [2021-11-22 16:09:06,023 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:06,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1131731107] [2021-11-22 16:09:06,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:06,024 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:06,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:06,108 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:06,109 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1131731107] [2021-11-22 16:09:06,109 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1131731107] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:06,109 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:06,109 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 16:09:06,110 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1538140708] [2021-11-22 16:09:06,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:06,111 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:09:06,111 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:06,112 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:09:06,112 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:09:06,112 INFO L87 Difference]: Start difference. First operand 173 states and 232 transitions. Second operand has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:06,172 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:06,173 INFO L93 Difference]: Finished difference Result 381 states and 512 transitions. [2021-11-22 16:09:06,173 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:09:06,173 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 30 [2021-11-22 16:09:06,174 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:06,176 INFO L225 Difference]: With dead ends: 381 [2021-11-22 16:09:06,176 INFO L226 Difference]: Without dead ends: 215 [2021-11-22 16:09:06,178 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:09:06,186 INFO L933 BasicCegarLoop]: 87 mSDtfsCounter, 49 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:06,187 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 133 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:09:06,189 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2021-11-22 16:09:06,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 213. [2021-11-22 16:09:06,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 213 states, 212 states have (on average 1.3018867924528301) internal successors, (276), 212 states have internal predecessors, (276), 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) [2021-11-22 16:09:06,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 213 states to 213 states and 276 transitions. [2021-11-22 16:09:06,242 INFO L78 Accepts]: Start accepts. Automaton has 213 states and 276 transitions. Word has length 30 [2021-11-22 16:09:06,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:06,243 INFO L470 AbstractCegarLoop]: Abstraction has 213 states and 276 transitions. [2021-11-22 16:09:06,243 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 10.0) internal successors, (30), 2 states have internal predecessors, (30), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-22 16:09:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 213 states and 276 transitions. [2021-11-22 16:09:06,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 16:09:06,246 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:06,247 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-22 16:09:06,247 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-22 16:09:06,248 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:06,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:06,249 INFO L85 PathProgramCache]: Analyzing trace with hash 908272237, now seen corresponding path program 1 times [2021-11-22 16:09:06,249 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:06,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1902384212] [2021-11-22 16:09:06,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:06,250 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:06,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:06,365 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:09:06,365 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:06,366 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1902384212] [2021-11-22 16:09:06,366 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1902384212] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:06,366 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:06,366 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-11-22 16:09:06,367 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [643224767] [2021-11-22 16:09:06,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:06,368 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-11-22 16:09:06,368 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:06,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-11-22 16:09:06,369 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-11-22 16:09:06,369 INFO L87 Difference]: Start difference. First operand 213 states and 276 transitions. Second operand has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-22 16:09:06,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:06,440 INFO L93 Difference]: Finished difference Result 596 states and 776 transitions. [2021-11-22 16:09:06,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-22 16:09:06,441 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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 63 [2021-11-22 16:09:06,441 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:06,444 INFO L225 Difference]: With dead ends: 596 [2021-11-22 16:09:06,444 INFO L226 Difference]: Without dead ends: 390 [2021-11-22 16:09:06,445 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:06,446 INFO L933 BasicCegarLoop]: 119 mSDtfsCounter, 146 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 281 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:06,447 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [146 Valid, 281 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:09:06,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 390 states. [2021-11-22 16:09:06,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 390 to 215. [2021-11-22 16:09:06,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 214 states have (on average 1.2897196261682242) internal successors, (276), 214 states have internal predecessors, (276), 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) [2021-11-22 16:09:06,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 276 transitions. [2021-11-22 16:09:06,477 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 276 transitions. Word has length 63 [2021-11-22 16:09:06,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:06,478 INFO L470 AbstractCegarLoop]: Abstraction has 215 states and 276 transitions. [2021-11-22 16:09:06,478 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 15.0) internal successors, (60), 4 states have internal predecessors, (60), 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) [2021-11-22 16:09:06,479 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 276 transitions. [2021-11-22 16:09:06,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 16:09:06,480 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:06,480 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-22 16:09:06,481 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-11-22 16:09:06,481 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:06,482 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:06,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2014887761, now seen corresponding path program 1 times [2021-11-22 16:09:06,482 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:06,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323370193] [2021-11-22 16:09:06,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:06,483 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:06,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:06,571 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:09:06,573 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:06,574 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323370193] [2021-11-22 16:09:06,574 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323370193] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:06,574 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:06,574 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:09:06,575 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1726215627] [2021-11-22 16:09:06,575 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:06,575 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:06,576 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:06,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:06,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:06,578 INFO L87 Difference]: Start difference. First operand 215 states and 276 transitions. Second operand has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2021-11-22 16:09:06,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:06,675 INFO L93 Difference]: Finished difference Result 576 states and 742 transitions. [2021-11-22 16:09:06,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2021-11-22 16:09:06,676 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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 63 [2021-11-22 16:09:06,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:06,681 INFO L225 Difference]: With dead ends: 576 [2021-11-22 16:09:06,682 INFO L226 Difference]: Without dead ends: 368 [2021-11-22 16:09:06,683 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:09:06,689 INFO L933 BasicCegarLoop]: 123 mSDtfsCounter, 177 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:06,689 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 437 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:09:06,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 368 states. [2021-11-22 16:09:06,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 368 to 218. [2021-11-22 16:09:06,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 218 states, 217 states have (on average 1.2764976958525345) internal successors, (277), 217 states have internal predecessors, (277), 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) [2021-11-22 16:09:06,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 218 states to 218 states and 277 transitions. [2021-11-22 16:09:06,741 INFO L78 Accepts]: Start accepts. Automaton has 218 states and 277 transitions. Word has length 63 [2021-11-22 16:09:06,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:06,742 INFO L470 AbstractCegarLoop]: Abstraction has 218 states and 277 transitions. [2021-11-22 16:09:06,742 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 12.0) internal successors, (60), 5 states have internal predecessors, (60), 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) [2021-11-22 16:09:06,743 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 277 transitions. [2021-11-22 16:09:06,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2021-11-22 16:09:06,745 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:06,745 INFO L514 BasicCegarLoop]: trace histogram [2, 2, 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] [2021-11-22 16:09:06,745 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-11-22 16:09:06,746 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:06,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:06,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1156418731, now seen corresponding path program 1 times [2021-11-22 16:09:06,747 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:06,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [526062689] [2021-11-22 16:09:06,748 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:06,748 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:06,811 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-22 16:09:06,811 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:06,812 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [526062689] [2021-11-22 16:09:06,812 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [526062689] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:06,812 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:06,813 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-11-22 16:09:06,813 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1825121702] [2021-11-22 16:09:06,813 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:06,814 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-11-22 16:09:06,814 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:06,815 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-11-22 16:09:06,815 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:09:06,815 INFO L87 Difference]: Start difference. First operand 218 states and 277 transitions. Second operand has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2021-11-22 16:09:06,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:06,892 INFO L93 Difference]: Finished difference Result 575 states and 740 transitions. [2021-11-22 16:09:06,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-11-22 16:09:06,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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 63 [2021-11-22 16:09:06,893 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:06,896 INFO L225 Difference]: With dead ends: 575 [2021-11-22 16:09:06,897 INFO L226 Difference]: Without dead ends: 364 [2021-11-22 16:09:06,897 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-11-22 16:09:06,899 INFO L933 BasicCegarLoop]: 107 mSDtfsCounter, 54 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:06,899 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [54 Valid, 179 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:09:06,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2021-11-22 16:09:06,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 362. [2021-11-22 16:09:06,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.2770083102493075) internal successors, (461), 361 states have internal predecessors, (461), 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) [2021-11-22 16:09:06,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 461 transitions. [2021-11-22 16:09:06,944 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 461 transitions. Word has length 63 [2021-11-22 16:09:06,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:06,945 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 461 transitions. [2021-11-22 16:09:06,945 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.0) internal successors, (60), 2 states have internal predecessors, (60), 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) [2021-11-22 16:09:06,946 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 461 transitions. [2021-11-22 16:09:06,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2021-11-22 16:09:06,947 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:06,947 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1] [2021-11-22 16:09:06,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-11-22 16:09:06,948 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:06,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:06,949 INFO L85 PathProgramCache]: Analyzing trace with hash 1276204710, now seen corresponding path program 1 times [2021-11-22 16:09:06,949 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:06,949 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [170256376] [2021-11-22 16:09:06,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:06,950 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:06,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:07,034 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 16:09:07,034 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:07,035 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [170256376] [2021-11-22 16:09:07,035 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [170256376] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:07,035 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:07,035 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:09:07,036 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [154749224] [2021-11-22 16:09:07,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:07,037 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:07,037 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:07,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:07,038 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:07,038 INFO L87 Difference]: Start difference. First operand 362 states and 461 transitions. Second operand has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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) [2021-11-22 16:09:07,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:07,275 INFO L93 Difference]: Finished difference Result 1025 states and 1295 transitions. [2021-11-22 16:09:07,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:09:07,276 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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 65 [2021-11-22 16:09:07,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:07,285 INFO L225 Difference]: With dead ends: 1025 [2021-11-22 16:09:07,286 INFO L226 Difference]: Without dead ends: 1023 [2021-11-22 16:09:07,287 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2021-11-22 16:09:07,290 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 346 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 346 SdHoareTripleChecker+Valid, 625 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:07,291 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [346 Valid, 625 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:07,293 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1023 states. [2021-11-22 16:09:07,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1023 to 362. [2021-11-22 16:09:07,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 361 states have (on average 1.265927977839335) internal successors, (457), 361 states have internal predecessors, (457), 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) [2021-11-22 16:09:07,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 457 transitions. [2021-11-22 16:09:07,347 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 457 transitions. Word has length 65 [2021-11-22 16:09:07,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:07,348 INFO L470 AbstractCegarLoop]: Abstraction has 362 states and 457 transitions. [2021-11-22 16:09:07,348 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.0) internal successors, (55), 5 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) [2021-11-22 16:09:07,348 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 457 transitions. [2021-11-22 16:09:07,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 16:09:07,350 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:07,351 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:07,353 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-11-22 16:09:07,353 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:07,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:07,354 INFO L85 PathProgramCache]: Analyzing trace with hash 1567408134, now seen corresponding path program 1 times [2021-11-22 16:09:07,355 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:07,355 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [981899970] [2021-11-22 16:09:07,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:07,355 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:07,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:07,493 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 16:09:07,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:07,494 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [981899970] [2021-11-22 16:09:07,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [981899970] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:07,495 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:07,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-22 16:09:07,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [270159145] [2021-11-22 16:09:07,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:07,497 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-22 16:09:07,498 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:07,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-22 16:09:07,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:09:07,499 INFO L87 Difference]: Start difference. First operand 362 states and 457 transitions. Second operand has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-11-22 16:09:07,730 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:07,731 INFO L93 Difference]: Finished difference Result 1229 states and 1558 transitions. [2021-11-22 16:09:07,731 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2021-11-22 16:09:07,732 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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 67 [2021-11-22 16:09:07,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:07,740 INFO L225 Difference]: With dead ends: 1229 [2021-11-22 16:09:07,740 INFO L226 Difference]: Without dead ends: 874 [2021-11-22 16:09:07,741 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=86, Unknown=0, NotChecked=0, Total=132 [2021-11-22 16:09:07,742 INFO L933 BasicCegarLoop]: 137 mSDtfsCounter, 451 mSDsluCounter, 375 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 451 SdHoareTripleChecker+Valid, 512 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:07,744 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [451 Valid, 512 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2021-11-22 16:09:07,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2021-11-22 16:09:07,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 368. [2021-11-22 16:09:07,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 367 states have (on average 1.2615803814713897) internal successors, (463), 367 states have internal predecessors, (463), 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) [2021-11-22 16:09:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 463 transitions. [2021-11-22 16:09:07,812 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 463 transitions. Word has length 67 [2021-11-22 16:09:07,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:07,814 INFO L470 AbstractCegarLoop]: Abstraction has 368 states and 463 transitions. [2021-11-22 16:09:07,815 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 8.142857142857142) internal successors, (57), 7 states have internal predecessors, (57), 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) [2021-11-22 16:09:07,815 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 463 transitions. [2021-11-22 16:09:07,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2021-11-22 16:09:07,816 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:07,817 INFO L514 BasicCegarLoop]: trace histogram [2, 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, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:07,817 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-11-22 16:09:07,817 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:07,818 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:07,818 INFO L85 PathProgramCache]: Analyzing trace with hash -1716441912, now seen corresponding path program 1 times [2021-11-22 16:09:07,818 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:07,819 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [296318143] [2021-11-22 16:09:07,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:07,819 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:07,928 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:07,929 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:07,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [296318143] [2021-11-22 16:09:07,929 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [296318143] provided 0 perfect and 1 imperfect interpolant sequences [2021-11-22 16:09:07,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [231528314] [2021-11-22 16:09:07,930 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:07,930 INFO L168 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:07,930 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 [2021-11-22 16:09:07,936 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-11-22 16:09:07,960 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-11-22 16:09:08,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:08,093 INFO L263 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 6 conjunts are in the unsatisfiable core [2021-11-22 16:09:08,101 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-22 16:09:08,403 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:08,403 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-11-22 16:09:08,622 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 13 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-22 16:09:08,623 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [231528314] provided 0 perfect and 2 imperfect interpolant sequences [2021-11-22 16:09:08,623 INFO L186 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2021-11-22 16:09:08,623 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 6 [2021-11-22 16:09:08,623 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1945418758] [2021-11-22 16:09:08,624 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2021-11-22 16:09:08,625 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-22 16:09:08,625 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:08,626 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-22 16:09:08,626 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-11-22 16:09:08,627 INFO L87 Difference]: Start difference. First operand 368 states and 463 transitions. Second operand has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2021-11-22 16:09:08,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:08,902 INFO L93 Difference]: Finished difference Result 1115 states and 1407 transitions. [2021-11-22 16:09:08,903 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-22 16:09:08,903 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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 67 [2021-11-22 16:09:08,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:08,909 INFO L225 Difference]: With dead ends: 1115 [2021-11-22 16:09:08,909 INFO L226 Difference]: Without dead ends: 754 [2021-11-22 16:09:08,910 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 136 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2021-11-22 16:09:08,911 INFO L933 BasicCegarLoop]: 188 mSDtfsCounter, 366 mSDsluCounter, 434 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 366 SdHoareTripleChecker+Valid, 622 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:08,917 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [366 Valid, 622 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:08,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 754 states. [2021-11-22 16:09:08,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 754 to 463. [2021-11-22 16:09:08,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 463 states, 462 states have (on average 1.2575757575757576) internal successors, (581), 462 states have internal predecessors, (581), 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) [2021-11-22 16:09:09,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 581 transitions. [2021-11-22 16:09:09,001 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 581 transitions. Word has length 67 [2021-11-22 16:09:09,001 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:09,001 INFO L470 AbstractCegarLoop]: Abstraction has 463 states and 581 transitions. [2021-11-22 16:09:09,001 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 11.166666666666666) internal successors, (67), 6 states have internal predecessors, (67), 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) [2021-11-22 16:09:09,002 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 581 transitions. [2021-11-22 16:09:09,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2021-11-22 16:09:09,010 INFO L506 BasicCegarLoop]: Found error trace [2021-11-22 16:09:09,011 INFO L514 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 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] [2021-11-22 16:09:09,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2021-11-22 16:09:09,232 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-11-22 16:09:09,233 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-22 16:09:09,233 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-22 16:09:09,233 INFO L85 PathProgramCache]: Analyzing trace with hash -835344018, now seen corresponding path program 2 times [2021-11-22 16:09:09,234 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-22 16:09:09,234 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1213144455] [2021-11-22 16:09:09,234 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-22 16:09:09,234 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-22 16:09:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-22 16:09:09,353 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-11-22 16:09:09,353 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-22 16:09:09,353 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1213144455] [2021-11-22 16:09:09,354 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1213144455] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-22 16:09:09,354 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-22 16:09:09,354 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-22 16:09:09,354 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855155846] [2021-11-22 16:09:09,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-22 16:09:09,355 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-22 16:09:09,355 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-22 16:09:09,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-22 16:09:09,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-11-22 16:09:09,356 INFO L87 Difference]: Start difference. First operand 463 states and 581 transitions. Second operand has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-11-22 16:09:09,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-22 16:09:09,577 INFO L93 Difference]: Finished difference Result 948 states and 1181 transitions. [2021-11-22 16:09:09,578 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-11-22 16:09:09,578 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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 96 [2021-11-22 16:09:09,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-22 16:09:09,579 INFO L225 Difference]: With dead ends: 948 [2021-11-22 16:09:09,579 INFO L226 Difference]: Without dead ends: 0 [2021-11-22 16:09:09,580 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2021-11-22 16:09:09,581 INFO L933 BasicCegarLoop]: 162 mSDtfsCounter, 177 mSDsluCounter, 205 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 177 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 54 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2021-11-22 16:09:09,582 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [177 Valid, 367 Invalid, 54 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2021-11-22 16:09:09,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-11-22 16:09:09,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-11-22 16:09:09,583 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) [2021-11-22 16:09:09,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-11-22 16:09:09,583 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 96 [2021-11-22 16:09:09,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-22 16:09:09,584 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-22 16:09:09,584 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 17.2) internal successors, (86), 5 states have internal predecessors, (86), 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) [2021-11-22 16:09:09,584 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-11-22 16:09:09,584 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-22 16:09:09,587 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (2 of 3 remaining) [2021-11-22 16:09:09,588 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION (1 of 3 remaining) [2021-11-22 16:09:09,588 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (0 of 3 remaining) [2021-11-22 16:09:09,588 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-11-22 16:09:09,591 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-11-22 16:09:24,329 INFO L854 garLoopResultBuilder]: At program point L200-7(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,329 INFO L854 garLoopResultBuilder]: At program point L200-8(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,329 INFO L854 garLoopResultBuilder]: At program point L200-9(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,330 INFO L854 garLoopResultBuilder]: At program point L200-10(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,330 INFO L861 garLoopResultBuilder]: At program point L894(lines 887 896) the Hoare annotation is: true [2021-11-22 16:09:24,330 INFO L854 garLoopResultBuilder]: At program point L200-11(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,330 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-11-22 16:09:24,331 INFO L858 garLoopResultBuilder]: For program point L234(lines 234 251) no Hoare annotation was computed. [2021-11-22 16:09:24,331 INFO L854 garLoopResultBuilder]: At program point L234-1(lines 230 254) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (not (= 0 ~systemActive~0)))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 (<= 1 ~waterLevel~0) .cse3))) [2021-11-22 16:09:24,331 INFO L858 garLoopResultBuilder]: For program point L234-2(lines 234 251) no Hoare annotation was computed. [2021-11-22 16:09:24,332 INFO L854 garLoopResultBuilder]: At program point L234-3(lines 230 254) the Hoare annotation is: false [2021-11-22 16:09:24,332 INFO L858 garLoopResultBuilder]: For program point L234-4(lines 234 251) no Hoare annotation was computed. [2021-11-22 16:09:24,332 INFO L854 garLoopResultBuilder]: At program point L234-5(lines 230 254) the Hoare annotation is: false [2021-11-22 16:09:24,332 INFO L854 garLoopResultBuilder]: At program point L400-2(lines 400 449) the Hoare annotation is: (let ((.cse1 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9#1|)) (.cse3 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse0 (= ~pumpRunning~0 0)) (.cse2 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse4 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse5 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse6 (<= 1 ~waterLevel~0)) (.cse7 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (and .cse1 .cse2 (<= 2 ~waterLevel~0) .cse3 .cse4 .cse5 .cse6 .cse7) (and .cse0 .cse2 (<= ~waterLevel~0 1) .cse4 .cse5 .cse6 .cse7))) [2021-11-22 16:09:24,333 INFO L854 garLoopResultBuilder]: At program point L268(lines 263 270) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) [2021-11-22 16:09:24,333 INFO L854 garLoopResultBuilder]: At program point L268-1(lines 263 270) the Hoare annotation is: (and (= ~pumpRunning~0 0) (not (= |ULTIMATE.start_processEnvironment_~tmp~1#1| 0)) (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_isLowWaterLevel_~tmp~3#1| 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 16:09:24,333 INFO L854 garLoopResultBuilder]: At program point L268-2(lines 263 270) the Hoare annotation is: false [2021-11-22 16:09:24,333 INFO L854 garLoopResultBuilder]: At program point L268-3(lines 263 270) the Hoare annotation is: false [2021-11-22 16:09:24,334 INFO L858 garLoopResultBuilder]: For program point L401(lines 400 449) no Hoare annotation was computed. [2021-11-22 16:09:24,334 INFO L858 garLoopResultBuilder]: For program point L963(line 963) no Hoare annotation was computed. [2021-11-22 16:09:24,334 INFO L858 garLoopResultBuilder]: For program point L963-1(line 963) no Hoare annotation was computed. [2021-11-22 16:09:24,334 INFO L858 garLoopResultBuilder]: For program point L963-2(line 963) no Hoare annotation was computed. [2021-11-22 16:09:24,335 INFO L858 garLoopResultBuilder]: For program point L402(lines 402 406) no Hoare annotation was computed. [2021-11-22 16:09:24,335 INFO L858 garLoopResultBuilder]: For program point L369(lines 369 375) no Hoare annotation was computed. [2021-11-22 16:09:24,335 INFO L858 garLoopResultBuilder]: For program point L336(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,335 INFO L858 garLoopResultBuilder]: For program point L369-2(lines 369 375) no Hoare annotation was computed. [2021-11-22 16:09:24,335 INFO L858 garLoopResultBuilder]: For program point L336-2(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,336 INFO L858 garLoopResultBuilder]: For program point L336-3(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,336 INFO L858 garLoopResultBuilder]: For program point L336-5(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,336 INFO L858 garLoopResultBuilder]: For program point L336-6(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,336 INFO L858 garLoopResultBuilder]: For program point L336-8(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,336 INFO L858 garLoopResultBuilder]: For program point L336-9(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,337 INFO L858 garLoopResultBuilder]: For program point L336-11(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,337 INFO L854 garLoopResultBuilder]: At program point L964(lines 959 966) the Hoare annotation is: false [2021-11-22 16:09:24,337 INFO L858 garLoopResultBuilder]: For program point L336-12(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,337 INFO L854 garLoopResultBuilder]: At program point L964-1(lines 959 966) the Hoare annotation is: false [2021-11-22 16:09:24,338 INFO L858 garLoopResultBuilder]: For program point L336-14(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,338 INFO L854 garLoopResultBuilder]: At program point L964-2(lines 959 966) the Hoare annotation is: false [2021-11-22 16:09:24,338 INFO L858 garLoopResultBuilder]: For program point L336-15(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,338 INFO L858 garLoopResultBuilder]: For program point L336-17(lines 336 340) no Hoare annotation was computed. [2021-11-22 16:09:24,338 INFO L858 garLoopResultBuilder]: For program point L238(lines 238 246) no Hoare annotation was computed. [2021-11-22 16:09:24,339 INFO L858 garLoopResultBuilder]: For program point L238-3(lines 238 246) no Hoare annotation was computed. [2021-11-22 16:09:24,339 INFO L858 garLoopResultBuilder]: For program point L238-6(lines 238 246) no Hoare annotation was computed. [2021-11-22 16:09:24,339 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 444) no Hoare annotation was computed. [2021-11-22 16:09:24,339 INFO L858 garLoopResultBuilder]: For program point L438-2(lines 430 445) no Hoare annotation was computed. [2021-11-22 16:09:24,339 INFO L858 garLoopResultBuilder]: For program point L141(lines 141 147) no Hoare annotation was computed. [2021-11-22 16:09:24,340 INFO L858 garLoopResultBuilder]: For program point L141-1(lines 141 147) no Hoare annotation was computed. [2021-11-22 16:09:24,340 INFO L858 garLoopResultBuilder]: For program point L141-2(lines 141 147) no Hoare annotation was computed. [2021-11-22 16:09:24,340 INFO L858 garLoopResultBuilder]: For program point L141-3(lines 141 147) no Hoare annotation was computed. [2021-11-22 16:09:24,340 INFO L858 garLoopResultBuilder]: For program point L141-4(lines 141 147) no Hoare annotation was computed. [2021-11-22 16:09:24,340 INFO L858 garLoopResultBuilder]: For program point L141-5(lines 141 147) no Hoare annotation was computed. [2021-11-22 16:09:24,341 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-11-22 16:09:24,341 INFO L858 garLoopResultBuilder]: For program point L208(lines 208 225) no Hoare annotation was computed. [2021-11-22 16:09:24,341 INFO L854 garLoopResultBuilder]: At program point L208-1(lines 204 228) the Hoare annotation is: false [2021-11-22 16:09:24,341 INFO L858 garLoopResultBuilder]: For program point L208-2(lines 208 225) no Hoare annotation was computed. [2021-11-22 16:09:24,342 INFO L854 garLoopResultBuilder]: At program point L208-3(lines 204 228) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse2 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (= 0 ~systemActive~0)))) (or (and (= ~pumpRunning~0 0) .cse0 (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) .cse1 .cse2 .cse3 .cse4) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4))) [2021-11-22 16:09:24,342 INFO L858 garLoopResultBuilder]: For program point L76(lines 76 80) no Hoare annotation was computed. [2021-11-22 16:09:24,342 INFO L858 garLoopResultBuilder]: For program point L208-4(lines 208 225) no Hoare annotation was computed. [2021-11-22 16:09:24,342 INFO L854 garLoopResultBuilder]: At program point L208-5(lines 204 228) the Hoare annotation is: false [2021-11-22 16:09:24,343 INFO L854 garLoopResultBuilder]: At program point L76-2(lines 72 83) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3))) [2021-11-22 16:09:24,343 INFO L858 garLoopResultBuilder]: For program point L208-6(lines 208 225) no Hoare annotation was computed. [2021-11-22 16:09:24,343 INFO L854 garLoopResultBuilder]: At program point L208-7(lines 204 228) the Hoare annotation is: false [2021-11-22 16:09:24,343 INFO L858 garLoopResultBuilder]: For program point L208-8(lines 208 225) no Hoare annotation was computed. [2021-11-22 16:09:24,344 INFO L854 garLoopResultBuilder]: At program point L208-9(lines 204 228) the Hoare annotation is: false [2021-11-22 16:09:24,344 INFO L858 garLoopResultBuilder]: For program point L208-10(lines 208 225) no Hoare annotation was computed. [2021-11-22 16:09:24,344 INFO L854 garLoopResultBuilder]: At program point L208-11(lines 204 228) the Hoare annotation is: false [2021-11-22 16:09:24,344 INFO L854 garLoopResultBuilder]: At program point L836-2(lines 836 850) the Hoare annotation is: false [2021-11-22 16:09:24,344 INFO L858 garLoopResultBuilder]: For program point L176(lines 176 182) no Hoare annotation was computed. [2021-11-22 16:09:24,345 INFO L858 garLoopResultBuilder]: For program point L176-2(lines 175 194) no Hoare annotation was computed. [2021-11-22 16:09:24,345 INFO L858 garLoopResultBuilder]: For program point L176-3(lines 176 182) no Hoare annotation was computed. [2021-11-22 16:09:24,345 INFO L858 garLoopResultBuilder]: For program point L176-5(lines 175 194) no Hoare annotation was computed. [2021-11-22 16:09:24,345 INFO L858 garLoopResultBuilder]: For program point L176-6(lines 176 182) no Hoare annotation was computed. [2021-11-22 16:09:24,345 INFO L858 garLoopResultBuilder]: For program point L176-8(lines 175 194) no Hoare annotation was computed. [2021-11-22 16:09:24,346 INFO L858 garLoopResultBuilder]: For program point L837(line 837) no Hoare annotation was computed. [2021-11-22 16:09:24,346 INFO L854 garLoopResultBuilder]: At program point L342(lines 327 345) the Hoare annotation is: false [2021-11-22 16:09:24,346 INFO L854 garLoopResultBuilder]: At program point L342-1(lines 327 345) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse2 (= |ULTIMATE.start_isHighWaterLevel_~tmp___0~0#1| 0) .cse3 .cse4 (= |ULTIMATE.start_isHighWaterLevel_#res#1| 0) .cse5))) [2021-11-22 16:09:24,346 INFO L854 garLoopResultBuilder]: At program point L342-2(lines 327 345) the Hoare annotation is: false [2021-11-22 16:09:24,347 INFO L854 garLoopResultBuilder]: At program point L342-3(lines 327 345) the Hoare annotation is: false [2021-11-22 16:09:24,347 INFO L854 garLoopResultBuilder]: At program point L342-4(lines 327 345) the Hoare annotation is: false [2021-11-22 16:09:24,347 INFO L854 garLoopResultBuilder]: At program point L342-5(lines 327 345) the Hoare annotation is: false [2021-11-22 16:09:24,347 INFO L858 garLoopResultBuilder]: For program point L410(lines 410 416) no Hoare annotation was computed. [2021-11-22 16:09:24,348 INFO L854 garLoopResultBuilder]: At program point L377(lines 365 379) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0)) [2021-11-22 16:09:24,348 INFO L858 garLoopResultBuilder]: For program point L410-2(lines 410 416) no Hoare annotation was computed. [2021-11-22 16:09:24,348 INFO L858 garLoopResultBuilder]: For program point L212(lines 212 220) no Hoare annotation was computed. [2021-11-22 16:09:24,348 INFO L854 garLoopResultBuilder]: At program point L146(lines 137 150) the Hoare annotation is: false [2021-11-22 16:09:24,348 INFO L854 garLoopResultBuilder]: At program point L146-1(lines 137 150) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0)))) (or (and .cse0 .cse1 .cse2 .cse3 .cse4 (= |ULTIMATE.start_isHighWaterSensorDry_#res#1| 1) .cse5) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 .cse5))) [2021-11-22 16:09:24,349 INFO L858 garLoopResultBuilder]: For program point L212-3(lines 212 220) no Hoare annotation was computed. [2021-11-22 16:09:24,349 INFO L854 garLoopResultBuilder]: At program point L146-2(lines 137 150) the Hoare annotation is: false [2021-11-22 16:09:24,349 INFO L854 garLoopResultBuilder]: At program point L146-3(lines 137 150) the Hoare annotation is: false [2021-11-22 16:09:24,349 INFO L858 garLoopResultBuilder]: For program point L212-6(lines 212 220) no Hoare annotation was computed. [2021-11-22 16:09:24,349 INFO L854 garLoopResultBuilder]: At program point L146-4(lines 137 150) the Hoare annotation is: false [2021-11-22 16:09:24,350 INFO L854 garLoopResultBuilder]: At program point L146-5(lines 137 150) the Hoare annotation is: false [2021-11-22 16:09:24,350 INFO L854 garLoopResultBuilder]: At program point L939(lines 935 941) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-22 16:09:24,350 INFO L858 garLoopResultBuilder]: For program point L212-9(lines 212 220) no Hoare annotation was computed. [2021-11-22 16:09:24,350 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 844) no Hoare annotation was computed. [2021-11-22 16:09:24,350 INFO L858 garLoopResultBuilder]: For program point L212-12(lines 212 220) no Hoare annotation was computed. [2021-11-22 16:09:24,351 INFO L858 garLoopResultBuilder]: For program point L840-1(lines 840 844) no Hoare annotation was computed. [2021-11-22 16:09:24,351 INFO L858 garLoopResultBuilder]: For program point L212-15(lines 212 220) no Hoare annotation was computed. [2021-11-22 16:09:24,351 INFO L858 garLoopResultBuilder]: For program point L183-1(lines 183 189) no Hoare annotation was computed. [2021-11-22 16:09:24,351 INFO L858 garLoopResultBuilder]: For program point L183-3(lines 183 189) no Hoare annotation was computed. [2021-11-22 16:09:24,352 INFO L858 garLoopResultBuilder]: For program point L183-5(lines 183 189) no Hoare annotation was computed. [2021-11-22 16:09:24,352 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 989) no Hoare annotation was computed. [2021-11-22 16:09:24,352 INFO L854 garLoopResultBuilder]: At program point L976-1(lines 968 992) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9#1|)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-11-22 16:09:24,352 INFO L858 garLoopResultBuilder]: For program point L910(lines 910 917) no Hoare annotation was computed. [2021-11-22 16:09:24,352 INFO L858 garLoopResultBuilder]: For program point L976-2(lines 976 989) no Hoare annotation was computed. [2021-11-22 16:09:24,353 INFO L854 garLoopResultBuilder]: At program point L976-3(lines 968 992) the Hoare annotation is: false [2021-11-22 16:09:24,353 INFO L858 garLoopResultBuilder]: For program point L976-4(lines 976 989) no Hoare annotation was computed. [2021-11-22 16:09:24,353 INFO L858 garLoopResultBuilder]: For program point L910-2(lines 910 917) no Hoare annotation was computed. [2021-11-22 16:09:24,353 INFO L854 garLoopResultBuilder]: At program point L976-5(lines 968 992) the Hoare annotation is: false [2021-11-22 16:09:24,353 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-11-22 16:09:24,354 INFO L854 garLoopResultBuilder]: At program point L450(lines 399 451) the Hoare annotation is: false [2021-11-22 16:09:24,354 INFO L854 garLoopResultBuilder]: At program point L946(lines 942 948) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-22 16:09:24,354 INFO L854 garLoopResultBuilder]: At program point L385(lines 380 387) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 .cse4) (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4))) [2021-11-22 16:09:24,354 INFO L858 garLoopResultBuilder]: For program point L88(lines 88 92) no Hoare annotation was computed. [2021-11-22 16:09:24,355 INFO L854 garLoopResultBuilder]: At program point L88-2(lines 84 95) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse5 (not (= 0 ~systemActive~0))) (.cse0 (= ~pumpRunning~0 0)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse6 (<= 2 ~waterLevel~0)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and .cse0 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9#1|) .cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|) .cse2 .cse3 .cse4) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (and .cse1 .cse6 .cse2 .cse3 .cse4 .cse5) (and .cse0 .cse1 .cse6 .cse2 .cse3))) [2021-11-22 16:09:24,355 INFO L858 garLoopResultBuilder]: For program point L980(lines 980 986) no Hoare annotation was computed. [2021-11-22 16:09:24,355 INFO L858 garLoopResultBuilder]: For program point L980-3(lines 980 986) no Hoare annotation was computed. [2021-11-22 16:09:24,355 INFO L858 garLoopResultBuilder]: For program point L980-6(lines 980 986) no Hoare annotation was computed. [2021-11-22 16:09:24,355 INFO L854 garLoopResultBuilder]: At program point L287(lines 282 290) the Hoare annotation is: false [2021-11-22 16:09:24,356 INFO L854 garLoopResultBuilder]: At program point L287-1(lines 282 290) the Hoare annotation is: false [2021-11-22 16:09:24,356 INFO L854 garLoopResultBuilder]: At program point L287-2(lines 282 290) the Hoare annotation is: false [2021-11-22 16:09:24,356 INFO L858 garLoopResultBuilder]: For program point L420(lines 420 426) no Hoare annotation was computed. [2021-11-22 16:09:24,356 INFO L858 garLoopResultBuilder]: For program point L420-2(lines 420 426) no Hoare annotation was computed. [2021-11-22 16:09:24,357 INFO L854 garLoopResultBuilder]: At program point L156(lines 151 159) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 16:09:24,357 INFO L854 garLoopResultBuilder]: At program point L156-1(lines 151 159) the Hoare annotation is: false [2021-11-22 16:09:24,357 INFO L854 garLoopResultBuilder]: At program point L156-2(lines 151 159) the Hoare annotation is: false [2021-11-22 16:09:24,357 INFO L858 garLoopResultBuilder]: For program point L355(lines 355 359) no Hoare annotation was computed. [2021-11-22 16:09:24,357 INFO L858 garLoopResultBuilder]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2021-11-22 16:09:24,358 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-11-22 16:09:24,358 INFO L858 garLoopResultBuilder]: For program point L355-3(lines 355 359) no Hoare annotation was computed. [2021-11-22 16:09:24,358 INFO L858 garLoopResultBuilder]: For program point L355-5(lines 355 359) no Hoare annotation was computed. [2021-11-22 16:09:24,358 INFO L858 garLoopResultBuilder]: For program point L355-6(lines 355 359) no Hoare annotation was computed. [2021-11-22 16:09:24,358 INFO L858 garLoopResultBuilder]: For program point L355-8(lines 355 359) no Hoare annotation was computed. [2021-11-22 16:09:24,359 INFO L854 garLoopResultBuilder]: At program point L884(lines 880 886) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (<= 1 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| ~systemActive~0)) [2021-11-22 16:09:24,359 INFO L861 garLoopResultBuilder]: At program point L851(lines 826 855) the Hoare annotation is: true [2021-11-22 16:09:24,359 INFO L861 garLoopResultBuilder]: At program point L455(lines 390 457) the Hoare annotation is: true [2021-11-22 16:09:24,359 INFO L861 garLoopResultBuilder]: At program point L919(lines 900 922) the Hoare annotation is: true [2021-11-22 16:09:24,360 INFO L854 garLoopResultBuilder]: At program point L193(lines 172 195) the Hoare annotation is: (let ((.cse0 (<= 1 |ULTIMATE.start___utac_acc__Specification4_spec__1_~tmp~9#1|)) (.cse1 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse2 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse3 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse4 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 .cse4 (<= 1 ~waterLevel~0)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2 .cse3 .cse4 (not (= 0 ~systemActive~0))))) [2021-11-22 16:09:24,360 INFO L854 garLoopResultBuilder]: At program point L193-1(lines 172 195) the Hoare annotation is: false [2021-11-22 16:09:24,360 INFO L854 garLoopResultBuilder]: At program point L193-2(lines 172 195) the Hoare annotation is: false [2021-11-22 16:09:24,360 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-11-22 16:09:24,360 INFO L854 garLoopResultBuilder]: At program point L260(lines 255 262) the Hoare annotation is: false [2021-11-22 16:09:24,361 INFO L854 garLoopResultBuilder]: At program point L260-1(lines 255 262) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (<= 2 ~waterLevel~0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 ~systemActive~0))) [2021-11-22 16:09:24,361 INFO L854 garLoopResultBuilder]: At program point L260-2(lines 255 262) the Hoare annotation is: false [2021-11-22 16:09:24,361 INFO L854 garLoopResultBuilder]: At program point L260-3(lines 255 262) the Hoare annotation is: false [2021-11-22 16:09:24,361 INFO L854 garLoopResultBuilder]: At program point L260-4(lines 255 262) the Hoare annotation is: false [2021-11-22 16:09:24,361 INFO L854 garLoopResultBuilder]: At program point L260-5(lines 255 262) the Hoare annotation is: false [2021-11-22 16:09:24,362 INFO L854 garLoopResultBuilder]: At program point L954(lines 949 957) the Hoare annotation is: (and (= ~pumpRunning~0 0) (<= ~waterLevel~0 1) (= 1 ~systemActive~0) (= |ULTIMATE.start_valid_product_#res#1| ~systemActive~0) (<= 1 ~waterLevel~0)) [2021-11-22 16:09:24,362 INFO L854 garLoopResultBuilder]: At program point L361(lines 346 364) the Hoare annotation is: (and (= |ULTIMATE.start_isLowWaterSensorDry_#res#1| 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_isLowWaterLevel_~tmp~3#1| 0) (not (= |ULTIMATE.start_isLowWaterLevel_~tmp___0~1#1| 0)) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (not (= 0 |ULTIMATE.start_isLowWaterLevel_#res#1|)) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 16:09:24,362 INFO L854 garLoopResultBuilder]: At program point L361-1(lines 346 364) the Hoare annotation is: false [2021-11-22 16:09:24,362 INFO L854 garLoopResultBuilder]: At program point L361-2(lines 346 364) the Hoare annotation is: false [2021-11-22 16:09:24,363 INFO L858 garLoopResultBuilder]: For program point L64(lines 64 68) no Hoare annotation was computed. [2021-11-22 16:09:24,363 INFO L854 garLoopResultBuilder]: At program point L64-2(lines 60 71) the Hoare annotation is: (and (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 16:09:24,363 INFO L858 garLoopResultBuilder]: For program point L64-3(lines 64 68) no Hoare annotation was computed. [2021-11-22 16:09:24,363 INFO L854 garLoopResultBuilder]: At program point L64-5(lines 60 71) the Hoare annotation is: false [2021-11-22 16:09:24,363 INFO L858 garLoopResultBuilder]: For program point L64-6(lines 64 68) no Hoare annotation was computed. [2021-11-22 16:09:24,364 INFO L854 garLoopResultBuilder]: At program point L64-8(lines 60 71) the Hoare annotation is: false [2021-11-22 16:09:24,364 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-11-22 16:09:24,364 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 963) no Hoare annotation was computed. [2021-11-22 16:09:24,364 INFO L858 garLoopResultBuilder]: For program point L430(lines 430 445) no Hoare annotation was computed. [2021-11-22 16:09:24,365 INFO L854 garLoopResultBuilder]: At program point L133(lines 128 136) the Hoare annotation is: (let ((.cse0 (= |ULTIMATE.start_valid_product_#res#1| 1)) (.cse1 (<= 1 |ULTIMATE.start_getWaterLevel_#res#1|)) (.cse2 (= |ULTIMATE.start_main_~tmp~8#1| 1)) (.cse3 (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0))) (or (and (= ~pumpRunning~0 0) .cse0 .cse1 .cse2 .cse3 (<= 1 ~waterLevel~0)) (and .cse0 (<= 2 ~waterLevel~0) .cse1 .cse2 .cse3 (not (= 0 ~systemActive~0))))) [2021-11-22 16:09:24,365 INFO L854 garLoopResultBuilder]: At program point L133-1(lines 128 136) the Hoare annotation is: false [2021-11-22 16:09:24,365 INFO L854 garLoopResultBuilder]: At program point L133-2(lines 128 136) the Hoare annotation is: false [2021-11-22 16:09:24,365 INFO L854 garLoopResultBuilder]: At program point L200(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,365 INFO L854 garLoopResultBuilder]: At program point L200-1(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,366 INFO L854 garLoopResultBuilder]: At program point L200-2(lines 196 202) the Hoare annotation is: (and (= ~pumpRunning~0 0) (= |ULTIMATE.start_valid_product_#res#1| 1) (= |ULTIMATE.start_processEnvironment__wrappee__highWaterSensor_~tmp~0#1| 0) (= |ULTIMATE.start_main_~tmp~8#1| 1) (= |ULTIMATE.start_test_~splverifierCounter~0#1| 0) (<= 1 ~waterLevel~0) (not (= 0 ~systemActive~0))) [2021-11-22 16:09:24,366 INFO L854 garLoopResultBuilder]: At program point L200-3(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,366 INFO L854 garLoopResultBuilder]: At program point L200-4(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,366 INFO L854 garLoopResultBuilder]: At program point L200-5(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,367 INFO L854 garLoopResultBuilder]: At program point L200-6(lines 196 202) the Hoare annotation is: false [2021-11-22 16:09:24,371 INFO L732 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-22 16:09:24,373 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-11-22 16:09:24,409 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 04:09:24 BoogieIcfgContainer [2021-11-22 16:09:24,409 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-22 16:09:24,410 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-22 16:09:24,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-22 16:09:24,411 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-22 16:09:24,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 04:09:04" (3/4) ... [2021-11-22 16:09:24,415 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-22 16:09:24,443 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 68 nodes and edges [2021-11-22 16:09:24,445 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2021-11-22 16:09:24,447 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2021-11-22 16:09:24,449 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2021-11-22 16:09:24,451 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-22 16:09:24,452 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 16:09:24,454 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-22 16:09:24,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && 1 <= waterLevel [2021-11-22 16:09:24,486 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 1) && \result == systemActive) && 1 <= waterLevel) && tmp == systemActive [2021-11-22 16:09:24,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((1 <= tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) [2021-11-22 16:09:24,487 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) [2021-11-22 16:09:24,488 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive))) || (((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) [2021-11-22 16:09:24,489 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\result == 1 && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((pumpRunning == 0 && \result == 1) && 1 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) [2021-11-22 16:09:24,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 16:09:24,490 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel [2021-11-22 16:09:24,491 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0 [2021-11-22 16:09:24,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == 1) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || (((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) [2021-11-22 16:09:24,492 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-22 16:09:24,493 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) [2021-11-22 16:09:24,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((1 <= tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-22 16:09:24,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\result == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 16:09:24,494 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((1 <= tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) [2021-11-22 16:09:24,495 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) [2021-11-22 16:09:24,496 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((\result == 0 && \result == 1) && tmp == 0) && !(tmp___0 == 0)) && tmp == 1) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 16:09:24,497 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || (((((((pumpRunning == 0 && \result == 1) && tmp == 1) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 0) && !(0 == systemActive)) [2021-11-22 16:09:24,498 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((pumpRunning == 0 && !(tmp == 0)) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 16:09:24,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((pumpRunning == 0 && \result == 1) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) [2021-11-22 16:09:24,499 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) [2021-11-22 16:09:24,596 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/witness.graphml [2021-11-22 16:09:24,596 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-22 16:09:24,597 INFO L158 Benchmark]: Toolchain (without parser) took 22270.99ms. Allocated memory was 83.9MB in the beginning and 262.1MB in the end (delta: 178.3MB). Free memory was 44.1MB in the beginning and 186.0MB in the end (delta: -142.0MB). Peak memory consumption was 37.0MB. Max. memory is 16.1GB. [2021-11-22 16:09:24,598 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-22 16:09:24,598 INFO L158 Benchmark]: CACSL2BoogieTranslator took 671.68ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 64.2MB in the end (delta: -20.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. [2021-11-22 16:09:24,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 112.34ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 60.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-22 16:09:24,599 INFO L158 Benchmark]: Boogie Preprocessor took 95.43ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-22 16:09:24,600 INFO L158 Benchmark]: RCFGBuilder took 900.98ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 34.9MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. [2021-11-22 16:09:24,600 INFO L158 Benchmark]: TraceAbstraction took 20286.38ms. Allocated memory was 100.7MB in the beginning and 262.1MB in the end (delta: 161.5MB). Free memory was 34.4MB in the beginning and 198.6MB in the end (delta: -164.2MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. [2021-11-22 16:09:24,601 INFO L158 Benchmark]: Witness Printer took 186.20ms. Allocated memory is still 262.1MB. Free memory was 197.6MB in the beginning and 186.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-22 16:09:24,603 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 83.9MB. Free memory was 61.1MB in the beginning and 61.1MB in the end (delta: 77.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 671.68ms. Allocated memory was 83.9MB in the beginning and 100.7MB in the end (delta: 16.8MB). Free memory was 43.8MB in the beginning and 64.2MB in the end (delta: -20.4MB). Peak memory consumption was 4.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 112.34ms. Allocated memory is still 100.7MB. Free memory was 64.2MB in the beginning and 60.5MB in the end (delta: 3.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 95.43ms. Allocated memory is still 100.7MB. Free memory was 60.5MB in the beginning and 58.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 900.98ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 34.9MB in the end (delta: 23.6MB). Peak memory consumption was 23.1MB. Max. memory is 16.1GB. * TraceAbstraction took 20286.38ms. Allocated memory was 100.7MB in the beginning and 262.1MB in the end (delta: 161.5MB). Free memory was 34.4MB in the beginning and 198.6MB in the end (delta: -164.2MB). Peak memory consumption was 120.9MB. Max. memory is 16.1GB. * Witness Printer took 186.20ms. Allocated memory is still 262.1MB. Free memory was 197.6MB in the beginning and 186.0MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - PositiveResult [Line: 963]: 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, 170 locations, 3 error locations. Started 1 CEGAR loops. OverallTime: 20.1s, OverallIterations: 12, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.7s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2542 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2542 mSDsluCounter, 4525 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2860 mSDsCounter, 72 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 344 IncrementalHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 72 mSolverCounterUnsat, 1665 mSDtfsCounter, 344 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 222 GetRequests, 167 SyntacticMatches, 1 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=463occurred in iteration=11, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 12 MinimizatonAttempts, 2015 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 82 LocationsWithAnnotation, 82 PreInvPairs, 245 NumberOfFragments, 825 HoareAnnotationTreeSize, 82 FomulaSimplifications, 17309 FormulaSimplificationTreeSizeReduction, 6.9s HoareSimplificationTime, 82 FomulaSimplificationsInter, 471243 FormulaSimplificationTreeSizeReductionInter, 7.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 669 NumberOfCodeBlocks, 669 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 722 ConstructedInterpolants, 0 QuantifiedInterpolants, 1260 SizeOfPredicates, 3 NumberOfNonLiveVariables, 392 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 187/199 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: 263]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && !(tmp == 0)) && \result == 0) && \result == 1) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 390]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: (((((((\result == 0 && \result == 1) && tmp == 0) && !(tmp___0 == 0)) && tmp == 1) && splverifierCounter == 0) && !(0 == \result)) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || (((((((pumpRunning == 0 && \result == 1) && tmp == 1) && tmp___0 == 0) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 0) && !(0 == systemActive)) - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 826]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: (((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 84]: Loop Invariant Derived loop invariant: ((((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive))) || (((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 380]: Loop Invariant Derived loop invariant: (((((\result == 1 && 2 <= waterLevel) && 1 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((pumpRunning == 0 && \result == 1) && 1 == systemActive) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) - InvariantResult [Line: 900]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == 1) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) || (((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && tmp == 0) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && \result == 1) && !(0 == systemActive)) || ((((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 880]: Loop Invariant Derived loop invariant: ((((pumpRunning == 0 && waterLevel <= 1) && tmp == 1) && \result == systemActive) && 1 <= waterLevel) && tmp == systemActive - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 399]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 836]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 887]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((1 <= tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 263]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 346]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 400]: Loop Invariant Derived loop invariant: (((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((((1 <= tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive))) || ((((((pumpRunning == 0 && \result == 1) && waterLevel <= 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 128]: Loop Invariant Derived loop invariant: (((((pumpRunning == 0 && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || (((((\result == 1 && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 137]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 204]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 968]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 72]: Loop Invariant Derived loop invariant: ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || ((((pumpRunning == 0 && \result == 1) && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 230]: Loop Invariant Derived loop invariant: ((((\result == 1 && 2 <= waterLevel) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) || (((((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive)) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: ((((((pumpRunning == 0 && 1 <= tmp) && \result == 1) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) || ((((((1 <= tmp && \result == 1) && 2 <= waterLevel) && 1 <= \result) && tmp == 1) && splverifierCounter == 0) && !(0 == systemActive)) - InvariantResult [Line: 942]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 151]: Loop Invariant Derived loop invariant: ((((\result == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 949]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && \result == systemActive) && 1 <= waterLevel - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 959]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 365]: Loop Invariant Derived loop invariant: (((pumpRunning == 0 && \result == 1) && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel - InvariantResult [Line: 282]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 327]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 255]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 935]: Loop Invariant Derived loop invariant: ((pumpRunning == 0 && waterLevel <= 1) && 1 == systemActive) && 1 <= waterLevel - InvariantResult [Line: 196]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 60]: Loop Invariant Derived loop invariant: (((\result == 1 && tmp == 1) && splverifierCounter == 0) && 1 <= waterLevel) && !(0 == systemActive) RESULT: Ultimate proved your program to be correct! [2021-11-22 16:09:24,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_786a3ebf-e62c-4590-a0ef-1d354c76ff62/bin/uautomizer-w2VwFs6gM0/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE